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<n_blownapart>
hi . so apparently ruby allocates memory for a variable even when the code isn't executed. I called object_id on this variable out of curiosity and it gave me 4. why was the object_id number a single digit? thanks: http://pastie.org/4553519
<banisterfiend>
n_blownapart: it just means it's nil
<banisterfiend>
4 => nil
<n_blownapart>
banisterfiend: thanks. you mean nil's object_id is always 4?
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<bluebie>
n_blownapart: It's always 4 in MRI (the normal version of ruby almost everyone uses)
<bperry>
ruby is arbitrary precision
<bluebie>
but it's an implementation detail - you shouldn't depend on it being that or your programs might stop working when everyone updates to ruby 3.0 or whatever
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<bluebie>
that said, nil.object_id #=> 4 in macruby too :>
<n_blownapart>
bluebie: et al but most objects have id's that are what....6 or 7 characters?
<bluebie>
object id's are numbers, not strings. They don't have any characters
<bperry>
which is backwards from how C does things
<bperry>
float + int = int
<n_blownapart>
bluebie: whats this about negative id numbers?
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<bluebie>
n_blownapart: The way ruby stores objects in to variables is by putting the objects in to memory somewhere, then setting the variable to a number which corrosponds to the object's location in your computer's RAM somehow
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<n_blownapart>
bluebie: so in RAM some locations are ascribed negative numbers?
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<bluebie>
n_blownapart: To make things faster though, if you're just using numbers it uses this tricky maths to store the numbers directly in the variables, so it doesn't need to reserve lots of memory for a lot of objects which are just representing numbers
<bluebie>
no, the numbers are actually binary addresses - it's just that the numbers are being understood using two's compliment or something like that
<bluebie>
it's a way of storing negative numbers as binary
<bluebie>
so certain addresses display as negative numbers when you play around in ruby
<n_blownapart>
bluebie: but not arbitrary?
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<bluebie>
sort of
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<bluebie>
if it's not numbers or special things like nil, false, true, or undefined, then everything else is an object
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<bluebie>
so the 'numbers' are just a numeric representation of the binary address ruby is using to find those objects in memory
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<bperry>
can you prove this with a quick one liner?
<bluebie>
how ruby and the particular operating system ruby is running on decide to fit the objects in to memory could be different from computer to computer
<bperry>
I believe you
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<bluebie>
bperry: What do you mean? prove which idea?
<bperry>
memory address holds value
* terrellt
blinks
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<bperry>
unless I am misunderstanding what you are saying
<bluebie>
prove that numbers are stored directly in to object id's?
<bluebie>
as immediate values?
<bperry>
yes, i can't replicate this
<bluebie>
ObjectSpace._id2ref(-61) #=> -31
<bperry>
(8.9343).object_id and (89343).object_id return object_id's that re not the value
<bperry>
hmm
<bluebie>
that's true in MRI 1.9.3
<bperry>
I see
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<Banistergalaxy>
Floats are different
<Banistergalaxy>
Floats are allocated
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<n_blownapart>
bluebie: my friend was trying to explain how memory changes location when a prog. changes scope, say for the var. x. sorry I'm a noob but that was fascinating. even if x = 100 through all the various scopes of a prog. the memory shifts for milliseconds ever so slightly ...am I correct?
<bluebie>
but if you run that in macruby you'll get a range error, and if you run -62 in macruby it segfaults! fun!
<Banistergalaxy>
On the heap
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<bluebie>
ObjectSpace._id2ref(61) #=> 15 in macruby though and 30 in MRI 1.9.3!
<bluebie>
n_blownapart: No not really
<bluebie>
Objects tend to stay in the same spot
<Banistergalaxy>
Bperry floats are not immediates, only fixnums
<bluebie>
100 is a special case - as it's an integer number and it's not a bignum, it can just go right in the variable itself
<bluebie>
but if it was something like, say "hello"
<bperry>
Banistergalaxy: I don't get what you mean
<bluebie>
then it's object_id would be the same regardless of scope, if you're talking about the same object
<Banistergalaxy>
Bperry what don't you understands
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<bluebie>
on the other hand, "hello".object_id == "hello.object_id #=> false - those two strings are different objects even though their characters are the same, n_blownapart
<bperry>
the immediate part
<bluebie>
so sometimes it can seem like similar objects are going in to different spots in memory
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<bluebie>
n_blownapart: All of this stuff is pretty messy details which languages like ruby try to keep you from needing to think about. Languages like C (which matz's ruby is written in) use 'pointers' extensively though - a pointer is a variable which contains the address of something in memory somewhere else, much like ruby variables, but without these special cases where it can have immediate numbers and false and true and all of that
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<bluebie>
C can be fun to play with if you're at all curious
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<bluebie>
n_blownapart: If you're curious about learning C, there's a course I did at uni which was really fun, and the videos are online at http://www.youtube.com/playlist?list=PL6B940F08B9773B9F - it goes in to pointers and heaps and stacks and all of that in more depth
<banisterfiend>
bperry: "immediate value" means it's embedded in the VALUE itself, it's not a pointer to another object on the heap
<banisterfiend>
bperry: do you know what a pointer is
<banisterfiend>
well an immediate value is not a pointer ;)
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<n_blownapart>
bluebie: thanks for the link. still working on how scope works...
<bluebie>
n_blownapart: Is any particular part being tricky for you?
<T-Gunn>
does rails 3.1.3 work with ruby 1.8.7 ?
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<n_blownapart>
bluebie: I know it is a textbook example ...num was n before I changed it. I think the single letter names take any context out of it and makes one force oneself to follow the control-flow.
<bluebie>
oh yeah
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<n_blownapart>
but is this a good example to study scope? bluebie banisterfiend ?
<n_blownapart>
I was struggling with how line 11 works. ^^
<banisterfiend>
n_blownapart: not really
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<n_blownapart>
banisterfiend: because the method definition is named the same, does the method hold its own scope?
<bluebie>
n_blownapart: I imagine when you call c.num ruby thinks something like "this is allowed, but only if self.is_a?(c.class)"
<banisterfiend>
n_blownapart: named the same as what?
<bluebie>
basically checking if the class in which the code is running is a relative of the class of the object you're calling the protected method on
<banisterfiend>
n_blownapart: @num and num are not the same name
<banisterfiend>
one has an @ in front
<bluebie>
@anything means an instance variable, so they are completely different and ruby doesn't think about them in the same way - if a method and an instance variable are named the same aside from the @ this makes no difference to ruby - they are strictly not related
<n_blownapart>
banisterfiend: yeah, but I was thinking since the method merely holds a value, I thought that @num was basically changing scope.
<bluebie>
the method doesn't hold the value, the instance variable does
<bluebie>
the method just grabs the instance variable and returns it's contents
<banisterfiend>
n_blownapart: i dont know what u mean...:P you're using the word 'scope' in a really weird way
<bluebie>
the instance variable is held in the object
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<bluebie>
so, when you go C.new, it makes a place in memory which stores all the instance variables, and also says what class it's for, and that's your instance
<bluebie>
A class contains methods, an instance contains instance variables and a pointer to the class they go with
<n_blownapart>
I guess I mean the scope when the method num is called on c (c2) banisterfiend
<banisterfiend>
n_blownapart: i really think you need to buy the book "learn to program" by chris pine
<bluebie>
an object never, however, has a unique method with it's own unique values - methods are always in classes
<banisterfiend>
n_blownapart: it'll help you get the right mindset, and after you've got that, you can move on to books like david a black's, etc
<n_blownapart>
banisterfiend: oh shit. ok I'll get a hard copy. I have the pdf but can't use it on a laptop.
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<banisterfiend>
n_blownapart: you'll probably just be able to skim it really quick
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<banisterfiend>
n_blownapart: just fill in a few gaps, wont take long to get up to speed i think
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<n_blownapart>
yeah I did peter coopers book last year...most of it banisterfiend I was eager to get on to something tougher.
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<n_blownapart>
but thanks. but really the problem with this prog (and the insight I got) was that it was typical to name a method def. the same as all the identifiers. I still don't see the wisdom of this.
<n_blownapart>
banisterfiend: bluebie ^^
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<bluebie>
n_blownapart: Giving them both the same name makes it easy to see they're related when you read it, but you are right in thinking it makes it easier for a typo to give your program an entirely different meaning
<bluebie>
n_blownapart: I'd really recommend playing in irb all the time - it's great for figuring out stuff like this by experimenting and playing
<n_blownapart>
bluebie: yeah like on line eleven you have the method on one side of the operator and the argument on the other sharing the same name.
<bluebie>
n_blownapart: you can use semicolons instead of new lines to do stuff like classes all at once, creating little disposable ones and poking at them to see how they react in different situations
<reactormonk>
n_blownapart: or even use pry
<n_blownapart>
yeah thanks bluebie I use pry as per banisterfiend 's exortation
<banisterfiend>
hehe
<bluebie>
yeah, pry is a fancy alternative to irb with a bunch of great features
<bluebie>
I should use pry more :P
<bluebie>
always forget it exists!
<banisterfiend>
bluebie: which features do you use?
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<bluebie>
it should be the default in the next MRI I think!
<bluebie>
banisterfiend: none, because I keep forgetting about it :)
<T-Gunn>
#passenger hasnt been active for the past few hours.. im trying to make Passenger ignore a directory.. i added the PassengerEnabled off inside of a <Directory> to a conf file on my server that is included in the main httpd.conf (using cpanel) i have restarted apache and i still get the same error.. am i missing something?
<n_blownapart>
bluebie: what was it about this prog. that you learned from? maybe you could shed some light on it.
<bluebie>
I'd pretty much be happy with anything which doesn't freak out when I resize my terminal though
<banisterfiend>
bluebie: i dont really care too much about that, people have been telling me to get it made the default, but really having it as a 'gem' is easy enough
<bluebie>
maybe I should alias irb to pry in bash xD
<bluebie>
oh pry is your creation?
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<banisterfiend>
bluebie: yeah
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<bluebie>
n_blownapart: I never really knew how 'protected' worked, now I see it's usefulness
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<n_blownapart>
bluebie: oh cool. banisterfiend well pry's indenting is better, isn't it?
<bluebie>
I've never been particularly interested in protecting and privating methods tho so I never payed much attention
<bluebie>
everything in pry is better :P
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<n_blownapart>
pry is easier to read with colors/indenting , for one. banisterfiend bluebie
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<bluebie>
yay
<bluebie>
okay aliased irb to pry
<bluebie>
so now I can't forget and can get properly addicted!
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<Axsuul>
Fundamental question: would 100 threads use the same memory imprint as 1 thread?
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<bluebie>
Axsuul: No way
<Axsuul>
bluebie: is there any way to measure how much memory each thread consumes?
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<Axsuul>
bluebie: well, its close isnt it? the only thing that differs is each thread would have a different heap?
<bluebie>
graph ruby's memory usage with different numbers of threads?
<bluebie>
it depends on the host OS too (as of ruby 1.9)
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<Axsuul>
ubuntu
<bluebie>
IDK
<bluebie>
my undersanding is the reason threads are slow is a whole bunch of memory has to be allocated to them
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<bluebie>
as well as switching in and out registers and things when context switching
<bluebie>
event loop webservers have taken off recently because threads just aren't performant or efficient when speed or memory usage are important
<bluebie>
but I don't have any specific numbers or anything beyond speculation
<bluebie>
do some tests!
<burgestrand>
156 K on my system
<burgestrand>
No, that’s, hm. Probably way less.
<bluebie>
per thread?
<burgestrand>
28K for the first new thread
<burgestrand>
… and that’s measuring in irb so I’d expect it to be a bit lower
<Axsuul>
bluebie: hmm ok, arent webservers beginning to go back to concurrency? (i.e. puma)
<burgestrand>
When I did it in pry it became 156 :p
<Axsuul>
I know rails 4.0 will be threadsafe! by default
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<bluebie>
just a shame iOS is turning out to be such a shit platform
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<bnagy>
jruby y u no build?
<bnagy>
great - moved all my prod onto jruby, now gotta move it all back cause of dumb bugs :P
<arubin>
bluebie: How is it a shit platform?
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<eridani>
which bugs?
<bluebie>
I can't deal with how verbose objc is, or how apple seems to think these patchwork little language updates will fix what makes objective c so annoying to work in. Methods with named arguments are nice, but the order and presence of them is enforced, so it's just more typing - it's realistically unusable without an autocompleting IDE
<bluebie>
xcode crashes so often it has a special feature where it can catch a crash and offer to just keep running regardless
<bnagy>
intermittently, with 3 different ffi based gems
<bnagy>
trying to build off git but ant is failing
<bnagy>
ooh wait... maybe not that time :D
<bluebie>
apple seems to be making no moves to make the platform more developer friendly - they seem to be acting as control freaks just for the sake of personality even when there's no benefit to iOS users in them doing so
<bluebie>
playing with a Microsoft Surface tablet prototype was such a breath of fresh air
<bluebie>
it's as if microsoft doesn't hate their developers. Nothing in the docs felt oppositional
<gatortater>
sorry to interrupt. looking for some assistance with rvm. tried joining #rvm to no avail.
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<banisterfiend>
bluebie: literals have made things easier in objc
<bluebie>
and the one glimmer of hope I had that they might fix at least some of the issues with iOS disapeared when Laurent Sansonetti left apple to found rubymotion. They should have made that product themselves, but instead they're dicking around with @[] operators and bullshit like that
<banisterfiend>
bluebie: object literals
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<bluebie>
objective c is to iOS what coffeescript is to node.js - it makes things a bit nicer, but the illusions of working in a nice dynamic language shatter frequently with painful results
<bnagy>
but go ahead, someone might know. I warn you now - I really dislike rvm compared to rbenv
<bnagy>
just my personal opinion though
<gatortater>
hm. first i've heard of rbenv
<banisterfiend>
bluebie: i just think ruby wouldn't be performant enough
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<banisterfiend>
bluebie: they need to use something like objc
<bluebie>
rubymotion is roughly as performant as objective c for a lot of stuff
<bluebie>
it compiles math very similarly
<bluebie>
it doesn't use GC, it's all ARC-style memory management
<bnagy>
gatortater: I don't respond in /query, sorry dude
<bluebie>
the object and class system in ruby is pretty similar to objective c - they're similarly dynamic
<bnagy>
it's for the best - gives other people a chance to jump in and help
<bluebie>
you can write physics engines in ruby and things like that just fine
<banisterfiend>
bluebie: we'd have to see benchmarks to know for sure, but my guess ruby could never be as fast as objc, and performance is important to them
<bluebie>
the only thing they're struggling a little with is cyclic loops in memory management, but @lrz says he has some ideas on how to fix that
<gatortater>
ok. still learning the do's and don'ts of irc. as well as figuring out cygwin and ruby on rails
<bluebie>
I disagree - I think user experience is important to apple, and performance is a part of that - but spend five minutes with a winmo 7 device and you see pretty quickly that architecture makes more different to smoothness than cpu speed or language choice
<bnagy>
cygwin...rails :<
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<bluebie>
I think a language like ruby would make developers faster and happier, and give them more time to focus on the important stuff, the user experience stuff.
<banisterfiend>
bluebie: well 'macruby' already exists and a number of people are using it..
<bluebie>
macruby doesn't have a lot of the optimisations rubymotion has (yet)
<bluebie>
macruby for instance is garbage collected
<gatortater>
i find my face mimics that emoticon more and more diving into this
<bluebie>
lrz says he's going to try and backport some of the improvements though
<banisterfiend>
bluebie: then believe him :)
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<bluebie>
man, that surface tablet was really compelling
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<bluebie>
I was shocked
<bluebie>
it's so rare for microsoft to make something good
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<gatortater>
bnagy: cygwin no good for this ruby on rails?
<bluebie>
gatortater: y u no linux?
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<gatortater>
cygwin came recommended by a friend. however, he uses a macbook pro and only offered it as a suggestion
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<gatortater>
some tutorials suggest cygwin as well
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<gatortater>
bluebie: should i look into a duel boot for linux?
<bnagy>
I thought rails ran natively
<bluebie>
if you're a windows person and you're having trouble running rails directly in windows, I'd be more inclined to setup a little linux VM than duel boot
<bnagy>
but I admit I have NFI I would never use it, even if I ever did webstuff :)
<bluebie>
you can bridge it across that way and use text editors in windows and access the webserver in the virtual machine
<bluebie>
another way you could do it which might be cute is to get a raspberry pi and make a mini devserver :)
<shaman42>
and very mini devserver it would be
<bluebie>
it runs ruby pretty well!
<bluebie>
and hey it's like $40 to setup so that's pretty cool
<bluebie>
I have one downstairs thinking about household chores :)
<bnagy>
dual boot is so last century
<shaman42>
40 + sdcard + case + charger + ...
<bluebie>
since the ffi guys patched their gem to work better on arm everything seems to be working great
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<bluebie>
the raspberry pi is $35
<bluebie>
a little sd card you probably already have, but if you don't five bucks would easily get you one
<gatortater>
hm. lots for me to research. duel booting is something i did first year of college. wild times they were.
<bluebie>
case? who needs one!
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<bluebie>
and charger is just a usb port on a tv or phone charger or something like that
<bluebie>
gatortater: It's a bit better these days - the linuxes have matured quite a bit
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<bluebie>
sadly the only thing I really loved in linux was gnome 2
<shaman42>
thats the normal mantra bluebie ( i have rasberry pi too)
<bluebie>
so now I am a mac person
<bluebie>
mac's have plenty of unix to go around though, so it's a relatively happy safe space
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<shaman42>
I have 10 or something phone chargers in my household and only one is suitable for rasberry pi.
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<quazimodo>
how do I loop from 2012 to 1995
<quazimodo>
or from 52 to 1
<shaman42>
I didnt have sd-card big enough for rasberry pi as I dont play with toycameras
<bluebie>
I'm running my pi off a charger only rated for 500ma but it's worked fine
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<bluebie>
the pi is supposed to require 700ma, so, whatever, I guess the charger can do more than it's specs say
<bluebie>
or the pi is very tollerant
<bluebie>
quazimodo: how about (1995..2012).to_a.reverse.each
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<quazimodo>
bluebie: oh ok. Also, how come 8.downto(1).each do |i| doesnt work?
<quazimodo>
also what does to_a do?
<bluebie>
converts the range to an array
<bluebie>
makes it easier to reverse it!
<quazimodo>
hrmm
<bluebie>
8.downto(1).each do |i| puts i end works for me?
<bluebie>
what's it not doing for you?
<quazimodo>
oh i was doing
<quazimodo>
8.downto(1).each do |i|
<quazimodo>
i
<quazimodo>
end
<bluebie>
oh you want it as an array?
<bluebie>
8.downto(1).to_a will give you that
<scant>
i'm looking for a library with a c version of all those handy ruby functions, e.g. gsub. does such a thing exist?
<bluebie>
or if you want to transform the numbers in to something else use map instead of each
<bluebie>
checkout the docs for Enumerator for info on all the neat stuff you can do with it
<quazimodo>
bluebie: im a ruby noob :(
<bluebie>
quazimodo: Enumerator is cool! You'll love it!
<bnagy>
Enumerable, probably
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<fowl>
scant: String#gsub() is a c function, what are you saying?
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<quazimodo>
guys
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<quazimodo>
I did rvm use gemset global
<quazimodo>
how do I go back to what it was before that (i've no idea what it was)
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<tagrudev>
quazimodo, by default it should be global
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<quazimodo>
then why doesnt pry work anymore
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<quazimodo>
nvm
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<tagrudev>
probably because you have installed it in a different gemset
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<fowl>
praise apeiros_ , grand liberator!
<apeiros_>
o0
<apeiros_>
just cleaning out the closet…
<Mon_Ouie>
What does it mean when someone is banned by barjavel.freenode.net?
<fowl>
they will speak of this day for generations, the day that hundreds were forgiven their exile
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<heftig>
fowl: that doesn't make sense
<heftig>
fowl: you could say "their sins"
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<banisterfiend>
fowl: dont put up with your english being corrected by a german
<apeiros_>
Mon_Ouie: I think from time to time the banlists get reinstated by freenode
<apeiros_>
no idea why and when it happens and it's annoying as hell
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<Muz>
Happens after outages of services like Nickserv, and netsplits iirc.
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<apeiros_>
also I'm totally missing a comment/reason to go with a ban
<fowl>
heftig: it doesnt have to make sense, it just has to sound like it could have happened for people to believe it
<Muz>
Along with a multitude of other edge cases in the IRCd.
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<Muz>
s/Nick/Chan/
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<fowl>
heftig: man lives in whales stomach for 3 days surviving on god's love, etc
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<quazimodo>
im surprised how little traffic there is in #rails
<Muz>
quazimodo: because you want #rubyonrails.
<apeiros_>
quazimodo: that's because it's the wrong channel…
<heftig>
fowl: no, i mean your sentence had a problem, not what you mean
<quazimodo>
im retarded
<heftig>
fowl: either "forgive" is the wrong verb or "exile" the wrong object
<quazimodo>
:/
<fowl>
your sentences have problems, go keep the EU afloat, kraut
<banisterfiend>
fowl: hehe
<apeiros_>
fowl: please, no insults
<quazimodo>
cant even speak in that one :/
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<Mon_Ouie>
You need to register your nick for that
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<banisterfiend>
Mon_Ouie: do you care about your parentheses matcher or did you just do it on a dare
<Mon_Ouie>
I like having it
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<banisterfiend>
Mon_Ouie: do you think kyrylo has fully recovered or do you think he still holds a grudge against you (for doing it b4 him)
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<apeiros_>
oh
<Mon_Ouie>
I think he's fine
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<banisterfiend>
Mon_Ouie: do you dare fully think kyrylo monkey puzzle tree goes back to the triassic grudge against you matcher fully
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<apeiros_>
o0
<apeiros_>
monkey puzzle tree? triassic grudge?
<matti>
;-)
<chare>
hi
<matti>
Monday.
<matti>
Sheesh.
<chare>
can you hear me?
<matti>
Hi, yes.
<matti>
Roger.
<banisterfiend>
chare: I doubt your masculinity now after your beautiful poem last night. Are you a dandy?
<matti>
LOL
<chare>
you've been drinking too much alcohol
<matti>
banisterfiend: ;p
<banisterfiend>
chare: do you remember that poem you write? it was very delicate, almost feminine
<banisterfiend>
wrote*
<matti>
There was a poem here?
<banisterfiend>
chare: Yeah, chare wrote a poem last night
<chare>
i need to know how to integrate accepting bitcoins into rails
<JonnieCache>
banisterfiend: come on this is the ruby channel. if there's anywhere on freenode where we dont have to compel people to fit themselves into static types its here
<JonnieCache>
;)
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<banisterfiend>
JonnieCache: hehe nice play on words
<banisterfiend>
matti: here was chare's poem: Ruby i love blocks they do |every| every.thing().and() end Ruby if "you and i".split() "then #{self} alone" else ["we", "will"].join end
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<matti>
banisterfiend: Oh nice!
<matti>
chare: I am touched ;-)
<chare>
bitcoins
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<chare>
answer my question about bitcoins
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<matti>
Haha
<banisterfiend>
matti: he's being coy
<apeiros_>
…
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<matti>
banisterfiend: And needy ;)
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<chare>
apeiros_ i know you know the answer to my bitcoin question
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<matti>
;-)
<fowl>
chare: bitcoins arent green no matter what you say
<chare>
how is color green relevant here
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<banisterfiend>
green oh how i love you green, horse on the hill, ship on the ocean
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<matti>
chare: He was thinking about $$ green.
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<matti>
banisterfiend: Lol
<fowl>
chare: we are debating the color of bitcoins? its not a question, they're blau
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<matti>
banisterfiend: I sprayed coffee all over my desk
<chare>
fowl: just tell me how to accept bitcoins in rails
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<fowl>
chare: you must receive a Rails Revelation, do this by laying down on your local railroad tracks until you become Two, then you will Know.
<chare>
fowl: you know you can't out troll me
<banisterfiend>
chare: i'll tell you if you write another poem, this time about the color green
<fowl>
not trolling, srs suggestion for your life direction
<banisterfiend>
Over the face of the cistern the gypsy girl was swaying. Green flesh and green hair, with eyes of cold silver.
<chare>
i'm going to make my website that accepts bitcoins and i'm banning your ip fowl
<chare>
how do you like that
<fowl>
i dont want your ugly blue coins anyways
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* apeiros_
checks
<apeiros_>
no, not #kindergarten
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<fowl>
apeiros_: in kindergarten nobody gave you weird looks when you informed them that you have to use the restroom
<fowl>
someone will have written skynet in java by then
<Pip>
lol
<Pip>
chare, What will make them revivie successfully?
<chare>
need for speed
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<Pip>
:D
<Pip>
You know what? 10 years from now on, quantum computing will be realized
<Pip>
By then, speed will be no problem at any time
<Muz>
Maybe then we'll have systems that can recognise people talking crap on the Internet before it happens, and pre-emptively silent them.
<apeiros_>
that day will be a silent day
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<Pip>
haha
<fowl>
muz = the establishment
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<bnagy>
Pip: jruby 64 bit works on 7
<bnagy>
and afaik is still the only option for 64 bit
<apeiros_>
OO
<apeiros_>
ouch
<bnagy>
windowsinstaller / devkit work
<bnagy>
in wow32
<bnagy>
apeiros_: yeah it's the devkit bit that's hard, apparently
<apeiros_>
well, I don't feel sorry
<bnagy>
and the usual native stdlib suspects
<fowl>
devkit is simple to install
<fowl>
just read the directions
<Pip>
bnagy, Is jruby amazing?
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<chare>
what exactly does jruby do?
<bnagy>
well it's unamazing me with some bugs at the moment, but I'm running of git
<JonnieCache>
chare: its a ruby interpreter implemented on the jvm
<bnagy>
fowl: it's the native 64 bit support that's the issue, not installing
<chare>
doesn't ruby already have an interpreter written in C, why does another one exist
<fowl>
o
<peterhellberg>
I was under the impression that JRuby is the Ruby VM with the least problems under Windows… But who am I to say, wiped my last Windows installation back in 2003
<JonnieCache>
well jruby gives seamless integration with java code
<peterhellberg>
chare: It’s just an alternative, that happens to leverage the impressive JVM
<Muz>
peterhellberg: well, other than the pain of setting up Java on Windows, and getting things into your path properly etc.
<bnagy>
chare: because it's faster, has better parallelism, access to java libs and better portability :>
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<JonnieCache>
and it also sidesteps several limitations of MRI, the standard C interpreter
<fowl>
mri works fine on windows
<JonnieCache>
arguably foremost amongst them the GIL
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<bnagy>
Muz: there is 0 pain now, the jruby installer has a with jvm option
<chare>
so you're saying its faster than the original interpreter, guys working on original interpreter really dropped the ball on that one?
<Muz>
Faster at certain things and has the wonderful position of having forethought.
<JonnieCache>
its not really as simple as that
<bnagy>
yeah it's also soooper slow to start up
<Muz>
It has different features to the C interpreter though. Like the C interpreter allows for native extensions with C, jRuby allows for native interactions wtih Java.
<Muz>
bnagy: nailgun sorts that out mostly.
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<bnagy>
but jruby is definitely the easiest install on windows atm
<Muz>
Never really had any problems with the Ruby Windows Installer
<Muz>
.
<Squarepy>
^
<bnagy>
and has a good ffi, which more or less covers everything I care about
<bnagy>
Muz: rubyinstaller + devkit is just more complicated to install, it's not a value judgement, just a statement of fact
<Muz>
bnagy: it is? It's a single Nullsoft installer executable last time I checked.
<bnagy>
the fact that I can do both without getting my dick caught in the ceiling fan doesn't mean the difference doesn't exist
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<Muz>
bnagy: what's actually more complicated about the Windows Installer?
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<bnagy>
the devkit install
<bnagy>
and some nitpicking about they way they do paths, but that's again only relevant for devkit
<Muz>
Isn't the devkit just extracting an archive file? Or have they managed to royally fuck that up.
<bnagy>
extract, run an init, run a setup
<Muz>
Although that said, whilst not complex, it's often confused me why this isn't just shipped and installed via the Windows Installer.
<bnagy>
indeed
<chare>
OMG INSTALLING RUBY ON LINUX...
<chare>
nothing could be more painful
<ccooke>
chare: what's so hard about apt-get install? ;-)
<bnagy>
the fact that it doesn't work?
<ccooke>
(</troll>)
<bnagy>
for sensible definitions of work
<chare>
uhh apt-get install doesn't work for ruby
<chare>
you gotta go through rvm shit
* bnagy
looks around for Hanmac
<hoelzro>
chare: what do you mean "apt-get install doesn't work for ruby?"
<ccooke>
chare: there's an argument to be had over what sensible should be defined as, in this case.
<hoelzro>
what about it doesn't work for you?
<ccooke>
hoelzro: indeed.
<chare>
you explain to me why ruby has this rvm shittery
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<ccooke>
I use the system ruby for pretty much everything I do. It's perfectly adequate for my needs
<bnagy>
as long as your needs don't involve, like, professionally coding in ruby
<ccooke>
bnagy: Incorrect
<bnagy>
or as long as you're running quantal
<ccooke>
I do, in fact, do professional coding in ruby. And I'm running precise.
<hoelzro>
chare: rvm exists so that a) people can try out different versions/implementations of ruby, and b) so people can use a consistent version of Ruby for application development without worrying out the vendor's Ruby
<fowl>
if you dont believe a woman should have the right (and be encouraged) to `abort mission' take a long hard look at chare
<chare>
another way of saying that they fucked up the language so now you have multiple incompatible versions of the language
<hoelzro>
chare: out of curiosity, what's your programming background?
<ccooke>
the issues with ruby pckaging are mostly problems with the ruby community being too dev-centric and not actually caring about end users (Okay, that *is* a trollish statement. It's one that I believe is true when I'm irritated,though)
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<JonnieCache>
nah i reckon thats pretty much true, depending on who you define as the end users
<hoelzro>
chare: it's not just for Ruby versions; it's also for dependencies
<JonnieCache>
and if you add the word "enough" between "caring" and "about"
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<ccooke>
JonnieCache: yeah
<ccooke>
I've found a lot of developers in language communities - not just ruby - fundamentally don't get why distro packaging exists and is good for users
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<chare>
ccooke: thats why they also make shitty user interfaces
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<fish_>
hi
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<chare>
conversation died
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<diegoviola>
hi
<bnagy>
everyone decided everyone else was trolling, all at the same time
<diegoviola>
what's the difference with executing a rake task from your code in order to process a background job versus using something like resque for background processing? I understand that resque uses fork() to fork a child process and rake will create a new process, but what's the difference?
<JonnieCache>
resque is a whole queueing system which can manage fleets of workers and stuff
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<JonnieCache>
github built it, its the full works.
<AxonetBE>
I have an anoying issue because when I do this Date.new(2008, 02, 29).change(:year => 2011), I got invalid date because of the 28/29 days of february, how to fix this?, I thought ruby was taking this in account
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<JonnieCache>
spawning a rake task is, well, just spawning a rake task
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<JonnieCache>
youre just using the convenient rake system to define and fire the task, everything else you have to do yourself
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<JonnieCache>
so theyre suitable for different scenarios
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<diegoviola>
right, thanks
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<bnagy>
AxonetBE: that's not ruby, it's probably rails retardedness
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<JonnieCache>
AxonetBE: surely thats correct though because there was no 29th of feb 2011
<JonnieCache>
it is an invalid date
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<AxonetBE>
JonnieCache: Yes I know, but how to do it then?
<AxonetBE>
add a rescue and add −1 date?
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<bnagy>
well it depends what you want to actually do
<JonnieCache>
give it a valid date basically? i dont really understant
<bnagy>
what does changing a year mean?
<bnagy>
that's why I think it's a stupid API
<JonnieCache>
its just mutating a date object whats stupid about that
<bnagy>
adding 365.25 * 3 to it?
<bnagy>
it's stupid because you _can't_ just change the year part of a date and expect to always get a valid date
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<bnagy>
and the guys that wrote the API can't predict how you want to handle that error
<fowl>
cant you add days
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<fowl>
to a date
<bnagy>
that's what I'd probably do
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<bnagy>
but I dunno what the logic is being used for
<JonnieCache>
bnagy: its kind of fair enough of them though. dates are notoriously rife with edge cases and its unfair to expect the api designers to handle them
<JonnieCache>
because they are potentially infinite
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<bnagy>
soooo... don't write an api like that then?
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<fowl>
question: i get errors when I do X solution: try to avoid doing X
<JonnieCache>
doctor doctor it hurts when i raise my arm!
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<matti>
Hm.
<banisterfiend>
matti: ;]
<matti>
banisterfiend: :)
<matti>
banisterfiend: We should have #rubypoems ;]
<shevy>
Pip also I don't think it will work for you
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<quazimodo>
so i need to use DAYNAMES eh
<shevy>
quazimodo well convert that number
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<Pip>
shevy, What do you mean?
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<shevy>
Pip it follows a scheme that is not common
<Pip>
D:\Program Files\jruby-1.7.0.preview2
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<shevy>
ok so you use windows
<Pip>
this is my desired path, is that okay?
<Pip>
Yep, Win 7
<shevy>
I suppose so
<quazimodo>
shevy: i get it
<bnagy>
shevy: u r genious! how u kno?
<shevy>
I don't use windows often anymore, I usually use linux
<shevy>
bnagy in the past I thought I could memorize everything
<Apathetic>
what distro shevy
<shevy>
these days... I don't memorize anything and only write down stuff so I dont have to remember
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<shevy>
Apathetic Gobolinux! but it kinda died :(
<Apathetic>
for development shevy?
<shevy>
Apathetic yeah
<shevy>
well
<bnagy>
shevy: in the past I thought I could memoize everything
<shevy>
I used windows only because of the games
<bnagy>
but then I ran out of RAM :(
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<answer_42>
lisp
<shevy>
but the games all seem to be similar these days... who has the better 3D engine
<JonnieCache>
Pip: try and avoid a path with spaces in it
<JonnieCache>
that causes problems i hear
<shevy>
note that Pip's path follows the gobolinux convention pretty much
<shevy>
where hardcoded /Programs could be replaced by $PROGRAMS, pointing to "Program Files", and the program_name-program_version jruby-1.7.0.preview2 could be split into an array with two components ["jruby","1.7.0.preview2"]
<Apathetic>
ah yeah, it says WEBrick/1.3.1 on the header
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<shevy>
"This will fire up an instance of the WEBrick web server by default (Rails can also use several other web servers). "
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<chare>
uh how do I connect rails to the outside world where my web app isn't just a sql database
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<chare>
rails feels like as soon as you try to do something outside of the norm its impossible to figure out how to do it
<shevy>
oh no chare can talk again :(
<JonnieCache>
chare: how would you normally do it?
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<chare>
so if i have a graph database
<chare>
how do i hook up to it
<chare>
i've asked this before
<chare>
and no one could answer
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<JonnieCache>
depends what graph database
<JonnieCache>
remember you can throw whatever code you like into app/models it doenst have to be activerecord classes
<workmad3>
chare: not only does it depend what graph database, it depends on how you want to hook up to it...
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<chare>
rails normally does this magic mapping of the model to the database, what syntax do i use if i don't use sql then
<workmad3>
chare: for example, if you used neo4j, you can either use it through the REST api, or you can have it embedded directly in your app (requires jruby)
<workmad3>
chare: that's a completely different question
<chare>
oh fuck i need to understand REST?
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<ccooke>
chare: REST is pretty easy
<workmad3>
chare: are you even using neo4j? remember I was just giving an example
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<chare>
in my views i reference variables that are in fact part of the model class and map to sql data, you're saying if i use neo4j through REST that this magic mapping will still work?
<workmad3>
chare: there are other grapd dbs out there after all, and they have different mechanisms for communication
<JonnieCache>
chare: all that mapping stuff is the preserve of activerecord. if youre not using activerecord it doesnt come into it
<workmad3>
chare: hell, you can class RDF triplestores as graph DBs and they're typically queried through SPARQL
<workmad3>
(or you can use the RDF.rb stuff for it)
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<chare>
if magic mapping is coming from activerecord, then does that mean the controller class should just wing the rpc code to neo4j and populate instance variables for the view to use and do this all unmagically?
<workmad3>
chare: and please stop talking about 'magic mapping'
<JonnieCache>
chare: pretty much
<workmad3>
chare: it's not 'magic'... it's just a bit of table introspection
<chare>
MAGIC THE GATHERING
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<CodeFriar>
If I have class A include Module B, shouldn't the Constants defined in class A be available to Module B ?
<hoelzro>
CodeFriar: no, unless you explicitly say A::CONSTANT
<banisterfiend>
CodeFriar: yes they should
<CodeFriar>
ok, well thats one for and one against ...
<CodeFriar>
they're working in my rspec tests
<CodeFriar>
just not in my functional tests
<banisterfiend>
CodeFriar: are you using class_eval at all?
<CodeFriar>
no
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<banisterfiend>
they wont be available through a class_eval
<banisterfiend>
well, they should def. be available because constants are looked up in the ancestor chain
<banisterfiend>
CodeFriar: so stick a binding.pry in there and see what's going on
<banisterfiend>
in your test where they're not being looked up
<CodeFriar>
yeah, when i throw pry into the mix I definately do not have the constants
<hoelzro>
oh, I see. I read the problem wrong.
<banisterfiend>
CodeFriar: well first it's spelt *DEFINITELY*
<banisterfiend>
for fuck sake
<banisterfiend>
CodeFriar: second, do a bunch of YourClass.ancestors
<banisterfiend>
to see if it's actually mixed in
<banisterfiend>
and check whether the constants are in fact defined on the module
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<CodeFriar>
banisterfiend: sorry for the spelling, still on my first cup o' coffee.
<banisterfiend>
:)
<CodeFriar>
the constants are defined in class A
<CodeFriar>
and referenced in Module B that *is* mixed in.
<banisterfiend>
CodeFriar: can you gist your session proving that? and proving that you cant access it, etc, and proving that the constants are defined on module u'r emixing in
<CodeFriar>
banisterfiend: sure, I can post my session showing the ancestor chain, and that the class is defining the constants referenced in the module
<banisterfiend>
CodeFriar: k00
<fowl>
Apathetic: thats hella docs
<Apathetic>
fowl, i only did gem install rails
<banisterfiend>
Apathetic: do htis --no-ri --no-rdoc
<fowl>
rails is huge lulz
<Apathetic>
around 1gb?
<Pip>
shevy, :D
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<JonnieCache>
put the line "gem: --no-rdoc --no-ri" into ~/.gemrc and you'll never have to see that bullshit again
<JonnieCache>
there was SO MUCH drama on this one github issue where the rubygems devs were refusing to make that the default
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<shevy>
because they are girls
<JonnieCache>
*rolleyes*
<fowl>
JonnieCache: if it was the default, would the option to enable it be gem: --yes-rdoc --yes-ri ?
<JonnieCache>
no it would obviously be --rdoc --ri
<Pip>
Is there x64 version of RubyInstaller
<bnagy>
no
<bnagy>
did we not just cover this? :)
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<Pip>
Oh, right :-)
<bnagy>
if you need native 64 bit then use jruby
<fowl>
Pip: im high too, dont worry (;
<bnagy>
but tbh you probably don't
<JonnieCache>
fowl: that gem: line in .gemrc just gets passed as arguments to every execution of the gem binary. --no-rdoc and so on are normal flags to that bin
<banisterfiend>
CodeFriar: what is f.all ? and also the constant it's complaining about not finding is defined on User itself, not on the mixin, no?
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<CodeFriar>
banisterfiend: yes, it's defined on the User class not hte mixin. thats what i've been saying
<bnagy>
hahah f.all
<Pip>
I just had dinner, the brain lacks of oxygen
<bnagy>
Math.sqrt( f.all? )
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<CodeFriar>
f.all is is just calling all on the f (user) object
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<fowl>
JonnieCache: its hella useful btw, i tried to look through gems doc to find how to do that but as I looked around me at the text on the wall i became incredibly bored and forgot where I was.
<fowl>
tl;dr thats a gem
<Apathetic>
i can't find gemrc on my windows installation,
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<banisterfiend>
CodeFriar: oh, i got it round the wrong way, not the constants are not available :)
<banisterfiend>
no the*
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<CodeFriar>
anything I can do to make that pattern work ?
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<banisterfiend>
CodeFriar: self::Constant
<fowl>
CodeFriar: write an included? that uses const_get/set
<CodeFriar>
fowl: could you say more ?
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<banisterfiend>
CodeFriar: self.class::Const i mean
<Apathetic>
ah it's located elsewhere
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<JonnieCache>
Apathetic: you have to make the file
<JonnieCache>
Apathetic: dont know where it should be under windows though
<fowl>
CodeFriar: i would iterate over the constants when its included and copy them, but i've been told that my code is perl-ish
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<shevy>
your code is not perlish
<shevy>
you omit the ()
<shevy>
def foo arg
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<fowl>
only on occasion, you need the ()s to do one liners
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<CodeFriar>
banisterfiend: thanks! self.class::CONST works. Rspec whines about it being accessed as a top-level constant but ... it works.
<banisterfiend>
that's ruby not rspec whining, right?
<Apathetic>
JonnieCache, how do I check if that gemrc was loaded mate?
<Apathetic>
I placed it in ~/.gemrc
<JonnieCache>
check that the options you put in there are being honored I guess?
<JonnieCache>
i dont think theres an explicit way to check
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<Apathetic>
hmm okie.
<JonnieCache>
if youve put that `gem: --no-rdoc --no-ri` line in there then just install a gem and you shouldnt see all that stuff about documentation
<JonnieCache>
Belieber: the method is called empty? there is no method empty without the ?
<rking>
fowl: Yeah, that's why it's odd.
<Mon_Ouie>
Well, yeah; the #empty? method exists, no the #empty method
<JonnieCache>
in ruby methods that return true or false generally end in a ? but its not enforced
<fowl>
Belieber: when this question comes up and im in pry, i think "ok, wtf is this `empty` method?" then like the l33t haxor i am i type "show-source fox.empty" and all my questions are answered (usually)
<fowl>
(pryrepl.org)
<rking>
Belieber: The trick here is that "?" is part of the method name. Imagine if it was a "q". ".emptyq" would not be weird. Now don't think of ".empty?" as weird.
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<Belieber>
ah .empty?() works
<fowl>
also of value: show-doc String#empty?
<JonnieCache>
the () is optional
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<rking>
Optional and also uncool.
<Belieber>
thanks guys
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<Belieber>
ruby is for lazy typers eh?
<fearoffish>
can't be bothered to answer that
<rking>
Not about laziness. About omitting needless elements.
<JonnieCache>
yeah thats it. it even does the routes automatically, which is probably half the work facing peterhellberg if hes doing an api
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<peterhellberg>
Yep, I’m using that plugin… Life would be even more miserable without it :)
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<banisterfiend>
move this bs to #railsfags4life
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* any-key
throws up rails gang sign
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* JonnieCache
imagines the rails crew inventing gang signs for themselves, thinking its really funny then all getting stabbed at sxsw
<rking>
Haha
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<any-key>
Austin rails devs, unite!
<fowl>
hlol
<any-key>
no other austin ruby bros in here?
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* rking
= Lubbock.
<rking>
And I'll actually be in Austin this weekend.
<rcassidy>
b-austin (boston.)
<any-key>
rking: woot!
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<any-key>
all the ruby action in texas is happening here
<tcopp>
transplated from austin.
<shevy>
rails ate ruby
<shevy>
it's official now
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<fowl>
>> ruby = Rails
<al2o3cr>
-e:1:in `eval': uninitialized constant Rails (NameError), from -e:1:in `eval', from -e:1:in `<main>'
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<any-key>
don't worry they fixed that in ruby 3.0
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<any-key>
my new favorite thing is codepen.io
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<any-key>
jsfiddle is neat too, but I like codepen's UI
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<any-key>
also, I'd like to wtf @ jruby's RAM needs
<any-key>
I'd be screwed had my employer not given me 8GB of RAM
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<anybody>
is anybody there?
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<peterhellberg>
any-key: But to be fair, the JVM use all the memory you give it… right?
<any-key>
basically
<any-key>
it's fast, I can't deny that
<any-key>
BUT it has a ridiculous startup time
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<any-key>
great in production, a PITA for local dev
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<davidroy>
someone know whats wrong with my syntax here… sports.map{|sport| [sport.id, sport.children.map{|ch| ch.map(&:id), ch.name.map(&:id)}} . or know of a better way to get all id values from a 3d object
<hoelzro>
davidroy: what error do you get when you execute that?
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<peterhellberg>
any-key: You can use NailGun for faster startup time
<davidroy>
varies between needing a extra ] which i don't know where. Or 1.9.2p290 :001 > sports.map{|sport| [sport.id, sport.children.map{|ch| ch.map(&:id), ch.name.map(&:id)}}
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<ridgehkr>
OS X 10.7.4
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<ridgehkr>
anyone able to help?
<any-key>
"You have to install development tools first."
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<any-key>
have you done that?
<ridgehkr>
thank you, @any-key. Yes, i have installed Xcode and command line tools
<any-key>
okay cool
<ridgehkr>
using Xcode 4.4.1
<any-key>
looks like you need ffi.h
<ridgehkr>
how can i get that?
<any-key>
do you have macports or homebrew installed?
<ridgehkr>
i have homebrew
<ridgehkr>
and rvm
<any-key>
brew install ffi
<any-key>
try that
<ridgehkr>
ran that, got "Error: No available formula for ffi "
<any-key>
or libffi
<any-key>
I'm just guessing lol
<any-key>
yeah libffi is what you want
<ridgehkr>
i actually already have macports, ran that command, and got this. do i need to be concerned, or are things okay? http://hastebin.com/gisigokinu.pl
<mmitchell>
anyone here feel like helping me out with rvm issues? :)
<ridgehkr>
but i can't find mkmf.log
<any-key>
mmitchell: #rvm
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<mmitchell>
any-key: are you in that room now? I can't seem to join, instead get an error "#rvm Cannot join channel (+r) - you need to be identified with services"
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<Mon_Ouie>
You need to register your nick and identify
<Mon_Ouie>
See NickServ
<mmitchell>
ahh ok
<adac>
>> "a/b/c/d".split(/\/(.?+)\Z/)[0]
<al2o3cr>
(String) "a/b/c"
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<adac>
>> "a/b/c/d".split(/\/(.?+)\Z/)[1]
<al2o3cr>
(String) "d"
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<mmitchell>
info mmitchell
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<mmitchell>
oops, Mon_Ouie how do I send the "info" command to the irc server?
<mmitchell>
or "register" etc.
<rcassidy>
adac: there is also rpartition
<JonnieCache>
type /msg nickserv help
<rcassidy>
>> "a/b/c/d".rpartition("/")
<mmitchell>
JonnieCache: cool thanks
<al2o3cr>
(Array) ["a/b/c", "/", "d"]
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<adac>
rcassidy, looks cleaner :)
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<rcassidy>
adac: are you using it to get a filename or something from a path?
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<adac>
actually it is a path, and i wnated to get back the last folder
<rcassidy>
cos then the File module might have some more responsible utilities
<JonnieCache>
for when you really need a string literal with lots of quotes in it
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<circlicious>
ok
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<ddouglas>
excuse me folks, where might I find the rails production log file?
<JonnieCache>
in the log directory of your rails app
<JonnieCache>
RAILS_ROOT/log/production.log
<ddouglas>
thanks
<JonnieCache>
if it isnt there something is wrong
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<Hanmac>
and otherwise he should ask in a better channel
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<fearoffish>
wait, Ruby and Rails are the same thing, aren't they????
<Muz>
No.
<Muz>
Ruby is a langauage. Rails is a framework built using the Ruby language.
<fearoffish>
</sarcasm>
<fearoffish>
I thought the multiple ??? would have shown that ;-)
<Muz>
It's often hard to tell the idiots, trolls, noobs, and serious questions apart in here.
<fearoffish>
understood, my apologies :)
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<Hanmac>
fearoffish it happends often that rails users wonder why some methods are not exist on plain-ruby too
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<fearoffish>
yeah, that I've seen
<fearoffish>
which is why I teach my students Ruby first
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<Hanmac>
fearoffish: teach them C first ... then C++, then Ruby
<Hanmac>
and see how happy they are when they learned an "higher" language :P
<fearoffish>
hehe
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<fearoffish>
make them feel inadequate first, I get it
<fearoffish>
;)
<JonnieCache>
if i was teaching programming to noobs i'd alternate between lessons using rails and lessons using ARM assembly on an embedded board
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<JonnieCache>
i think that would give them a rounded view of the field :)
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<fearoffish>
you'd collect any sharp objects when they enter the room, obviously
<JonnieCache>
haha
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<JonnieCache>
arm assembly is much easier than x86 assembly
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<JonnieCache>
im not a bastard
<fearoffish>
haha
<Hanmac>
you mean any C# objects? XD
<fearoffish>
:)
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<JonnieCache>
seriously though i think thats a good idea. at the end of the course you could get the arm chips talking to the rails apps through json
<JonnieCache>
obviously the students would have to be fairly smart
<Hanmac>
ARM is cool, rails is not :P
<JonnieCache>
alright, sinatra, whatever
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<whalesalad>
hey guys how do you do inline if/else? this is not working, "Admin" if user.admin? else "---"
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<JonnieCache>
condition ? trueval : falseval
<whalesalad>
is that the only way to do it?
<JonnieCache>
its called a ternery conditional
<whalesalad>
i've seen blah if x before
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<whalesalad>
like the human readable variant
<JonnieCache>
i think you can do `if cond then foo else bar` perhaps
<JonnieCache>
its the `then` thats the weird bit
<fearoffish>
but 99% of debs understand ternary, so I'd use that
<fearoffish>
devs*
<JonnieCache>
also you can do `blahblah() if foo`
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<JonnieCache>
but you dont get an else
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<whalesalad>
dammit. I understand it as well but I am from the python world where you write sentences of code basically
<Hanmac>
whalesalad you could do "x if y" but in that form you cant use else
<whalesalad>
okay
<whalesalad>
cool, thanks guys
<fearoffish>
no need to 'dammit' me, jesus!
<whalesalad>
haha
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<JonnieCache>
`if x then y else z` is as close to a sentence as your going to get surely?
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<JonnieCache>
omg i just used to wrong form of you're
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<fearoffish>
yes you did, shame on you
<JonnieCache>
whats the name of that japanese thing called where you stick your sword through your stomach again?
<fearoffish>
you also failed to apostrophe the dont
<JonnieCache>
jesus that sentence wasnt up to much either was it?
<heftig>
harakiri
<whalesalad>
this works fine, user.admin? ? 'Admin' : ''
<whalesalad>
this does not work, if user.admin? then 'Admin' else ''
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<whalesalad>
the sentence thing is not working hehe
<heftig>
or seppuku
<Hanmac>
JonnieCache if i had an ARM chip/system i would test my c++ gems :P
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<fearoffish>
sure it is: 'Admin' if user.admin?
<whalesalad>
fearoffish: the else bit.
<whalesalad>
i specifically need that empty string
<JonnieCache>
Hanmac: you have a phone, right?
<JonnieCache>
everyone has an arm system
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<fearoffish>
'' ||= 'Admin' if user.admin? maybe?
<JonnieCache>
ick
<Hanmac>
yeah ... but imo its not good enough to develop ruby stuff on it ...
<fearoffish>
haha
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<JonnieCache>
look
<JonnieCache>
fuck conditionals
<fearoffish>
okay, so it wasn't syntactically correct or pretty
<JonnieCache>
user.role.title_case
<Agis__>
hey, anyone here that's subscribed on DestroyAllSoftware screencasts?
<JonnieCache>
there we are
<davidcelis>
Agis__: plenty
<fearoffish>
JonnieCache: ++
<Agis__>
I was thinking to subscribe either in this or railscasts...
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<Agis__>
what do you think?
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<fearoffish>
I respect RailsCasts a lot
<JonnieCache>
the railscasts are great
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<JonnieCache>
if you get paid to do rails $9 a month is nothing for what you get
<davidcelis>
Agis__: both
<fearoffish>
if you want just rails, that is
<Agis__>
sure
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<fearoffish>
PeepCode is good also
<fearoffish>
s/good/great
<davidcelis>
Agis__: Railscasts will help you get better at Rails. Destroy All Software will help you get better at software and architecting it
<JonnieCache>
yes peepcode is very indepth
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<Agis__>
I see
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<lampe2>
hey i wanne write a gem for a Learning Metadata Object short LOM. this are just some metadata fields like mp3tags but i wanne write them so that everybody how uses this can use it with there database. should i write a activedata, datamapper extension ?
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<lurch_>
hi, after doing a "bundle install --path vendor", how do i tell "bundle exec" to load gems from the "vendor" subdir?
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<fearoffish>
it should automatically
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<fearoffish>
it writes a .bundle file
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<fearoffish>
which it loads in
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<Paradox>
booobs!
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<shevy>
yes!
<lurch_>
fearoffish: thanks
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<devdazed>
hi all, im using net/smtp to send a message and in the message body I have something like "#{my_array.join('\n')" when the message is sent the line breaks seem to have been escaped. is there any way around this?
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<workmad3>
devdazed: join("\n"), not join('\n')
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<devdazed>
jesus, total brain fart. thanks workmad3
<workmad3>
devdazed: :)
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<doherty>
This application uses ActiveRecord. I have an object with subnet_id, which is a foreign key. I need to search the foreign table for that item, get squid_proxy_id, which is also a foreign key, and get the object that squid_proxy_id refers to. I've never used ActiveRecord before - how can I do that?
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<Hanmac>
doherty i think you are in the wrong channel ... try #rubyonrails
<davidcelis>
was about to answer, realized this is #ruby
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<doherty>
alrighty
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<luckyruby>
heh, both of yours didn't work
<davidcelis>
honestly bro just do the split-map-join :P
<luckyruby>
so i combined both of what you guys had and ended up with http_response = http.response.gsub(/^\s+|\s+$/,'')
<Hanmac>
doherty: the problem is that there are ruby users that not uses ActiveRecord before ... but mostly rails users did
<doherty>
It's no problem. Thanks for the pointer
<cirwin>
luckyruby: gsub! is designed for this case
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<codabrink>
What is the best way to convert a number to a string of that length of a specific character?
<wendallsan>
anyone have any experience with watir? I'm trying to navigate a site with some hidden elements that appear as you interact with a form on the page, but interacting with the form via watir doesn't seem to make the element visible, even though doing this manually does make the element visible.
<iamjarvo>
is there a way you can make it not headless and look at what its doing? also im guessing this is a javascript test did you specify that it is a js test
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<wendallsan>
iamjarvo: sure thing, let me just set the browser to something other than xvfb and try again
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<macer1>
LOL
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<davidcelis>
>> print "ಠ_ಠ"
<davidcelis>
oh cmon
<davidcelis>
ಠ_ಠ
<macer1>
(ﾉಥ益ಥ)ﾉ ┻━┻
<macer1>
also I dont think print works
<macer1>
ruby have puts
<Hanmac>
"
<macer1>
>> puts "(ﾉಥ益ಥ)ﾉ ┻━┻"
<macer1>
o.O
<wendallsan>
iamjarvo: aha, you hit it on the head, there was a popup modal window thing coming up that wasn't happening when I was going through it manually as I'd proably already set a sesison cookie or something
<wendallsan>
iamjarvo: huge thanks
<fowl>
(づ｡◕‿‿◕｡)づ
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<iamjarvo>
wendallsan: anytime
<fearoffish>
awwwe, peek at you!
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<davidcelis>
macer1: Of course Ruby has print
<davidcelis>
macer1: I used it above
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<macer1>
>> print "srsly?"
<al2o3cr>
srsly?(NilClass) nil
<macer1>
>> puts "test"
<al2o3cr>
(NilClass) nil, Console: test
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<Hanmac>
fowl i have found an sexy fanart with holly short XD
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<macer1>
...
<macer1>
cmon
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<macer1>
bad bot
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<lampe2>
hey i code a main file with a class lom and i got a subdirectory with a file called general.rb now i wanne use the methods in the lom class how can i do that?
<fearoffish>
require '../lom.rb' would do it
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<Hanmac>
lampe2 no ... use require_relative "../lom.rb"
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<lampe2>
i got a LOM object this has for example a General object in it and Educational object. now i wanne say LOM.General.Title and this puts the title
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<shevy>
lol Hanmac
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<doherty>
What does the nil method mean in "if @thing.nil?"
<shevy>
lampe2, usually what follows behind the . is the name of the method
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<shevy>
lampe2, so when you do foo.General then General() is a method. def General
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<shevy>
it's ugly to use upcase method name however
<shevy>
doherty, "if @thing is nil"
<shevy>
@thing = nil
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<shevy>
or uninitialized
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<shevy>
@thing = "some value" # @thing is not nil
<lampe2>
okay shevy but how i can than do lom.general.title ?
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<lampe2>
just def general.title ?
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<doherty>
okay, I didn't recognize the word "nil" :P
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<shevy>
doherty it means nothing, or "does not exist", null, nada
<shevy>
niente
<shevy>
non existerano
<shevy>
hmm I am outta words now
<lampe2>
ohhhhhh
<lampe2>
thx shevy :D
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<patient>
hey guys, i'm creating a ruby project and was wondering if it's a good practice to name both the class file on 'lib/' and the main file on 'bin/' after the project
<shevy>
how many "class files" do you have
<patient>
for now one
<patient>
it's a small project
<shevy>
if your project is called patient_likes_ruby
<shevy>
and you have a class called PatientLikesRuby
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<shevy>
then you have a directory called lib/ first
<shevy>
and inside that lib/ directory you will have a
<shevy>
patient_likes_ruby.rb files
<shevy>
and a
<shevy>
patient_likes_ruby/ directory
<Sou|cutter>
What's the right way to serialize and deserialize from a file with Marshal.dump ? I'm getting a Encoding::UndefinedConversionError Exception: "\xE8" from ASCII-8BIT to UTF-8 when I try to write a Marshal.dump of a hash that AFAICT contains all utf-8 strings and Time objects
<patient>
hm shevy :/ and what goes under the 'patient_likes_ruby/' dir?
<fris>
trying to use a gem to create github repos, it worked fine before, but now im getting an error http://pastie.org/4557678
<shevy>
patient the file with your class
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<shevy>
damn freenode spam!
<patient>
for what i was peeking at github, i thought 'lib/patient_likes_ruby.rb' and 'bin/patient_likes_ruby.rb' was more the "ruby way" to do it
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<shevy>
bin/ is simple
<patient>
the file on bin/ being what i call on terminal
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<shevy>
yes
<shevy>
patient, well I suppose if your project really just has one .rb file, you can put it into lib/
<shevy>
but for more than one, people will create a directory
<patient>
i see
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<patient>
if the project starts to grow, i should create a 'name_of_project/' dir and move my lib/ files there, then?
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<davidcelis>
patient: lib/file.rb should do one of two things. Declare a top-level class named after the file, or declare a module named after the file.
<patient>
right right
<shevy>
patient, yes, except for one base .rb file loading your other files
<davidcelis>
patient: If it declares a module and you'll be nesting classes or other modules inside of it, you should also make lib/module_name/ to declare nested shit.
<davidcelis>
patient: And this is recurisve, so if a nested module has other nested modules, continue making directories as needed.
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<patient>
thanks for the tip davidcelis, but my question is more where to put my "executable" file, the file responsible for instantiating stuff on 'lib/'
<patient>
the interface with the user, so to speak
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<davidcelis>
patient: Executables go in bin/
<davidcelis>
name them whatever you want.
<davidcelis>
but you should exclude the .rb extension
<patient>
and there's nothing against having a project named 'test', a 'lib/test.rb' containing a Test class and a 'bin/test.rb' responsible for instantiating a Test object and doing it's business?
<davidcelis>
instead, have the top-line of the ruby file be a ruby shebang: #!/usr/bin/env ruby
<patient>
oh i see
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<davidcelis>
having a file extension on executables that you run from the command line is not typical
<patient>
right
<patient>
that was pretty helpful, thanks a lot davidcelis and shevy
<davidcelis>
and no, there is nothing against what you just described
<shevy>
yeah once you wrote two or three projects on your own, you'll understand it intuitively
<patient>
just moving from compiled languages, so it's still a bit weird to me
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<Sou|cutter>
maybe I have to File.open('foo', 'wb') instead of 'w'...
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<doherty>
I have an array of objects, each with an attribute called name. How do I say "If none of the objects are named 'Bacon', then flip the pancakes"?
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<llaskin>
anyone have experience with the ruby mysql class?
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<hoelzro>
doherty: you could probably use Enumerable#none?
<hoelzro>
ex. if objects.none? { |o| o.name == 'Bacon' } then flip_pancakes end
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<doherty>
So, that block will set o to each element in turn (that's what |o| means), and then runs the test "o.name=='Bacon'"
<hoelzro>
yup
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<doherty>
sweet
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<doherty>
Are the question and exclamation marks at the end of methods part of the method name, or is that a method modifier or operator or something?
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<hoelzro>
doherty: part of the name
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<hoelzro>
? means a predicate
<doherty>
Is there a convention for their use?
<hoelzro>
! means something "dangerous"
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<hoelzro>
which can range from mutating the given object
<hoelzro>
(ex. string.sub vs string.sub!)
<hoelzro>
or doing something "radical"
<hoelzro>
(ex. exit vs exit!)
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<doherty>
okay, thanks
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<zburt>
I have a method called "add_contact". I have a variable, foo, whose value is "add_contact". How can I use foo to call add_contact() (and pass in params)?
<hoelzro>
zburt: you can accomplish that with the send method
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<rcassidy>
ruby 1.8.5 makes me sad :(
<zburt>
hoelzro: send(foo, params) ?
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<hoelzro>
ex. obj.send 'foo'.to_sym, *params
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<apeiros_>
no need for to_sym
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<apeiros_>
but if you use a literal, use a symbol straight away.
<hoelzro>
oh? I wasn't aware of that!
<hoelzro>
awesome =)
<zburt>
Does send need to be called on an object
<apeiros_>
zburt: of course
<apeiros_>
zburt: *all* methods must be called on an object
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<apeiros_>
methods without an explicit receiver are called on self
<apeiros_>
lampe2: line 10 should probably go into initialize?
<hoelzro>
also, your def general method definition is redundant
<hoelzro>
attr_accessor supplies that for you
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<lampe2>
if have updatet it still nilclassmethod when i do: l = Lom.new; l.general ??? the code: https://gist.github.com/3406631
<hoelzro>
lampe2: try l = Lom::Lom.new
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<Speed>
How does one get the number after the decimal point without rounding on a float? For instance 2.4 -> 0.4. My solution was to do "n - n.to_i" or divmod(1), but that isn't accurate
<Speed>
or should I use big Decimal
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<lampe2>
hoelzro, in my main i got includeed lom so this is not the error the nilclasserror comes when i call general
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<atmosx>
aloha
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<davidcelis>
atmosx: not sure if saying hello, or goodbye
<atmosx>
well hello :-)
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<shevy>
aloha is the traditional greeting of the sugar daddies
<atmosx>
I lost almost a week reading about SQLite3 design to end up with 3 tables in 1 sqlite3 db.
<shevy>
then comes the hip swinging
<shevy>
yay!
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<atmosx>
add the festivities I've written 0 lines in almost 6 days… and if you had asked me when I created mr_sqlite.rb I was sure that it will be ready in aprox 3 hours
<atmosx>
sugar daddies?
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<shevy>
atmosx, I think you have the sugar daddy shape already
<shevy>
lots of beer
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<atmosx>
hehe I don't drink beers
<atmosx>
I drink coca-cola
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<atmosx>
I seriously want some goodies
<shevy>
what kind of goodies
<atmosx>
goodies is something like macdonalds
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<atmosx>
only 5 times more tasty
<atmosx>
It's a Greek chain of fast food.
<atmosx>
Since pizza in Greece sucks big time, while in Chech Republic is comparable only with South Italian pizza
<atmosx>
I'll go junk-food
<atmosx>
and I finnished my db design which is *normalizatoin read&
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<diegoviola>
i'm iterating on a method like this: obj.some_method.each ... but sometimes that method would return nil so it will get me an error, what's a good way to workaround that?
<diegoviola>
sorry for the n00b question
<hoelzro>
(obj.some_method || []).each, perhaps?
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<savage->
Array(obj.some_method).each { |x| ... }
<savage->
if obj.some_method returns nil, then Array(nil) => []
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<diegoviola>
what will that do?
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<diegoviola>
Array(obj.some_method).each <-- each will be run only if what returns is an array?
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<hoelzro>
diegoviola: no, it'll convert the argument to an array
<hoelzro>
Array(nil) happens to return []
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<diegoviola>
oh
<diegoviola>
ty
<diegoviola>
very nice
<diegoviola>
thanks
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<cesurasean>
where do i post to for this chan? is pastebin.com ok?
<apeiros_>
gist.github.com, pastie.org are the preferred
<otters>
"okay" is the perfect way to describe pastebin.com
<apeiros_>
pastebin still add riddled?
<otters>
yes
<shevy>
long live pastie.org!
<shevy>
and the otter. long live all the cuddly otters
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<shevy>
whoa almost 700 folks here
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<shevy>
#python still leading on us... 1024 something there
* Hanmac
cross its fingers
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<Hanmac>
nooo :(
<lampe2>
hmpffffffffffffff
<shevy>
#perl at 640
<shevy>
hah!
<lampe2>
i cant get this thing to work...
<shevy>
surprising to see python having so many more people tho
<shevy>
lampe2 why not
<shevy>
lampe2 do you have CLARITY IN YOUR MIND what you want
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<Hanmac>
ruby it more "cute" then python ... but its "mean"er too :P
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<otters>
ruby is less shit than python
<lampe2>
shevy, what i want is this: when i do l = Lom.new than i can do something like that l.general.title = " title" and if i only do l.general.title it return the title
<diegoviola>
ruby <3
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<diegoviola>
do you guys like rubinius?
<diegoviola>
:D
<Mon_Ouie>
Then make l.general return some object (it's vague what it's supposed to represent) that has a title accessor
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<diegoviola>
what do you think of it, do you use it?
<cesurasean>
im trying to find out how to fix this error with an app im trying to install; http://pastie.org/4558176
<Mon_Ouie>
It's funny they abbreviated tons of things (to_str, to_sym, dup, …) but not that
<cesurasean>
can someone assist me real quick??
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<lampe2>
OMG it works
<lampe2>
thx Mon_Ouie
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<Mon_Ouie>
cesurasean: There's a version conflict. rake/tasklib.rb has been loaded from the gem and rake.rb from stdlib
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<macer1>
matti: hey
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<jasonkuhrt>
Hi, I have a problem with heroku-mongo-sync, a plugin for the heroku cli, when the ruby script a rescue LoadError occures indicating that require 'mongo' failed, but when I try the same thing (require 'mongo') in irb, it seems to work, any help is much appreciated
<matti>
Hi macer1
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<macer1>
can you try to help me with EM and bindata :D?
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<kristopolous>
so I want to do something like "module A; require 'file'; end" ... is there a way?
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<apeiros_>
kristopolous: you can do just that. but it makes little to no sense.
<apeiros_>
what problem are you trying to solve?
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<kristopolous>
I have some solution where people can pull together multiple arbitrary ruby files
<kristopolous>
and it works ok so long as they don't contain the same class names
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<apeiros_>
that's what namespacing exists for
<apeiros_>
you namespace classes to avoid name collisions
<kristopolous>
right, but I don't want to transfer the problem to the users
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<kristopolous>
I would like to be able to wrap their code cleanly
<kristopolous>
and transparently
<cirwin>
kristopolous: you could eval the string loaded from the file
<cesurasean>
Mon_Ouie, how do i fix the version conflict then?
<cirwin>
that's what rackup files do
<apeiros_>
you won't make it easier for the user by coming up with an intransparent, non-idiomatic solution.
<kristopolous>
I've thought of that
<apeiros_>
use proper and tried ruby idioms.
<apeiros_>
reinventing the wheel here will lead to a worse solution.
<kristopolous>
right, but my users aren't necessarily rubyists
<kristopolous>
they just want to get things done
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<kristopolous>
so I want to make their lives as easy as possible
<TTilus>
kristopolous: what is your usecase?
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<cirwin>
kristopolous: give your users what they need, not what they want :
<cirwin>
:)
<kristopolous>
well this solution is a web-stack that enables people to build front-ends to large applications that run on custom rigs ... most of the people going in are EE or C/C++ people
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<kristopolous>
they probably are quite shaky with html/js/ruby etc
<cirwin>
EE?
<kristopolous>
electrical engineers
<cirwin>
cool
<TTilus>
kristopolous: what you are asking for, or rather what it sounds like, is not an easy one at all
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<kristopolous>
for many of them, OOP would be a bit too much of a burden
<kristopolous>
or a hassle
<kristopolous>
or should I say, the smart ones don't have the problem I just described
<kristopolous>
I need to solve it for the other ones
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<kristopolous>
anyway, eval is the thing in question
<TTilus>
kristopolous: how complex are the "front ends"?
<kristopolous>
is there much of a penalty?
<cirwin>
kristopolous: pry won't work unless you set the __FILE__ and __LINE__ right
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<BlakeRG>
how do i check if a pattern matches in a regex? like this? if /MyRegEx/ =~ string
<SquirrelPoop>
Hi. new RoR (.NET converted) dev here. I would like to ask if there is anyone would be willing to share with me a chat-based resource where I could ask for assistance on some RoR-related issues?
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<BlakeRG>
SquirrelPoop: join #rubyonrails
<SquirrelPoop>
Thank you BlakeRG.
<shevy>
BlakeRG that is reversed
<shevy>
x = "foo bar"
<shevy>
x =~ /a/
<shevy>
or in a conditional
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<shevy>
if (x =~ /a/)
<shevy>
or without () I suppose
<davidcelis>
~=
<davidcelis>
FTFY
<davidcelis>
er
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<BlakeRG>
it looks like ~= is returning an integer
<davidcelis>
damn
<davidcelis>
i am totally off my game today
<shevy>
if x =~ /a/
<shevy>
I think you can omit the ()
<davidcelis>
BlakeRG: the integer returned is the index of the match
<Hanmac>
shevy: "string =~ regex" and "regex =~ string" both exist
<BlakeRG>
that equates to true though ?
<shevy>
hmmm
<shevy>
regex first?????
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<shevy>
ok
<Hanmac>
>> /e/ =~ "abcde"
<al2o3cr>
(Fixnum) 4
<shevy>
this makes me want to slay kittens
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<davidcelis>
so "foo bar"["foo bar" =~ a] == "foo bar" =~ a
<shevy>
ready the sacrifice!
<Hanmac>
you mean that i was right again? :P
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<shevy>
it's a bug
<davidcelis>
well, i wrote that out wrong, but you get the idea
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<shevy>
I swear the pickaxe never mentioned this
<Hanmac>
"foo bar".match(regex) is better when you want the currect matches
<davidcelis>
shevy: ?
<davidcelis>
shevy: =~ returns the index of the first match, or nil if no matches are found
<Hanmac>
dvidcelis: he means that he is confused because "string =~ regex" and "regex =~ string" both exist
<davidcelis>
ah
<shevy>
davidcelis, I am fine with the string =~ /regex/
<shevy>
but I hate the /regex/ =~ string thing
<Speed>
How does one subclass Integer/Fixnum? In essence I want to make a subclass where I could use the .new method to parse a specific string into a number
<shevy>
Must.Find.Kitten.Now
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<macer1>
>> "abcde" =~ /e/
<al2o3cr>
(Fixnum) 4
<macer1>
404 kitten not found
<shevy>
lol
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<shevy>
I am content with just one
<shevy>
Speed, good question. Aren't Integers not real objects in ruby?
<Speed>
Integer is just a base for Bignum and Fixnum
<infinitiguy>
Hiya, I'm trying to build a gem into an RPM. I used gem fetch to get the source, used gem2rpm to build my spec, and when I run rpmbuild against the spec I get ruby-gems >= 1.3.7 is needed by ruby-gems-softlayer_api-1.0.5-1.noarch however rpm -qa shows me that it is already installed - rubygems-1.3.7-3.el5.kb.1
<infinitiguy>
anyone have any ideas as to where I might search next to find out what is holding things up? I'd think this shouldve worked.
<apeiros_>
(I'm generally much in favor of early raise, but this method is specifically to query the validity… only getting true in return and otherwise an exception is wrong IMO)
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<machty_>
download it again, and it has new permissions
<RubyPanther>
permissions are in the file's metadata
<davidcelis>
WHAT DOES THIS SCRIPT DO
<machty_>
it puts "SHIT"
<machty_>
i'm juvenile with my filler
<davidcelis>
machty_: nice
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<machty_>
RubyPanther: where is metadata stored? not with the file, right? just as extra data in the filesystem right?
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<RubyPanther>
in some filesystems this metadata exists in a different part of the filesystem and is opaque. Usually it is physically stored as part of the file.
<davidcelis>
pretty sure OSX handles it with the file
<eam>
it's stored with the inode
<shevy>
I store it in my pants
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<RubyPanther>
You're shouldn't have to worry about it beyond the abstract concept that files have metadata. And it is stored somewhere for you. By some command line tool or permissions dialog.
<eam>
tar only records basic permissions, not things like extended file ACLs
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<NightMonkey>
Howdy. Is there a way to turn up verbosity in curb, when curb is called from Savon?
<machty_>
RubyPanther: right, but i think there's no guarantee that uploading and downloading the file will preserve those perms
<apeiros_>
mac os' classic os had a resource fork
<apeiros_>
and it's a shame that nobody copied the idea
<apeiros_>
it was way better than what we have now.
<eam>
apeiros_: they did - many filesystems have them
<machty_>
ANYWAY, the point is I don't think i can chmod the perms on a ruby file and expect it to be the same when my client downloads it
<RubyPanther>
machty_: that depends on the client. In my world, yes, metadata is always preserved.
<apeiros_>
eam: they put it into the file system, not the file
<eam>
apeiros_: I know
<eam>
as I said, the feature exists on many other filesystems
<apeiros_>
which is fine for metadata related to the filesystem, but not fine for metadata related to the file itself
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<BlakeRG>
machty_: try gzipping the file before sending it up to s3
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<machty_>
BlakeRG: ah ha, that might do it
<RubyPanther>
There was a time, in the age of MS-DOS, when I would sometimes lose permissions during a file transfer and restore them by hand.
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<davidcelis>
with your BEAR HANDS??
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<shevy>
with his paws
<RubyPanther>
And CD-ROM disk can be rather annoying precisely because of preserved permissions.
<the_jeebster>
crazy. anyone seen this github binary visual diff addition?
<davidcelis>
the_jeebster: ?
<eam>
apeiros_: as I said, several filesystems provide unstructured storage for implementing things like resource forks
<eam>
xfs is one such example
<the_jeebster>
davidcelis: say you commit an image change, github has transitional sliders to visually differentiate the two files
<RubyPanther>
In the days when you had to set your modem's COM port and IRQ... by setting unmarked jumpers on various pin blocks
<the_jeebster>
pretty epic
<davidcelis>
the_jeebster: damn i hadnt noticed. that's pretty cool
<RubyPanther>
It only takes one long night of trial and error if you don't have the manual.
<davidcelis>
the_jeebster: now if only they'd make the news feed remotely fucking useful again
<the_jeebster>
yeah, newsfeed looks whack now
<machty_>
ok, thanks, i have a solution. but now even on my own mac with chmod +x, i can't just double click the .rb in Finder and ahve it run the script. it just opens XCode. even with chmod +x and shebang
<davidcelis>
the_jeebster: it's redundant with the notification center now. only watched repos show up there
<davidcelis>
or followed users
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<davidcelis>
the_jeebster: there's no point in starring repos now other than popularity points
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<lampe2>
my problem is i that i got a method that must take 1..10 parameter but if i give the method something like this ["test","test2"],"test","test","test","test","test","test",{:h => {:a => "test", :b => "test"}} it counts the h as 1 not as 2
<atmosx>
yes
<atmosx>
that's the good with flatten that returns an array
<Mon_Ouie>
lampe2: You can build a new hash, adding every pair in the initial hash, unless the value is a hash, in which case you merge on the result of the method called recursively
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<lampe2>
my problem is i that i got a method that must take 1..10 parameter but if i give the method something like this ["test","test2"],"test","test","test","test","test","test",{:h => {:a => "test", :b => "test"}} it counts the h as 1 not as 2
<lampe2>
hups sry
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<atmosx>
y should it count h as 2?
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<atmosx>
I'd count it as 8
<patient>
just curious, you guys use vim + terminal to run the test suite or a dedicated vim command/plugin? (the vim users ofc)
<atmosx>
err 7 if I strat from 0
<atmosx>
patient: I don't run a test suite
<patient>
that's a possibility too :)
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<atmosx>
patient: I just use vim, so I can't understand what are you reffering to. I didn't do any test-driven dev yet :-P
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<davidcelis>
patient: use vim to run your test suite? what?
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<davidcelis>
why not just Rake::TestTask
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<patient>
hm, haven't learn about rakefiles yet
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<patient>
i'm using 'rspec' in the terminal for now
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<patient>
but you call 'rake' on terminal too, right?
<waxjar>
just copy paste the examples, really :P
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<patient>
waxjar i never feel right with myself when i do it :P i need to understand it, at least the basics
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<Mon_Ouie>
I don't use vim, but surely you can just run the command that runs the tests without installing any plugin?
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<patient>
sure Mon_Ouie, that's what i'm doing now ;) i was thinking if the fellow vimmers had a more integrated/optimized way of doing it
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<lectrick>
Does stabby lambda allow -> do instead of ->{ ?
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<lectrick>
ok seems it does based on my simple irb test case of "-> do end"
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<davidcelis>
i love it when people answer their own questions
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<cesurasean>
How would I go about fixing this? - /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require': no such file to load -- json/add/rails (LoadError)
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<lampe2>
Mon_Ouie, thx for your help
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<lampe2>
Mon_Ouie, thx for your help
<lampe2>
hups sry
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<Synthead>
is there a ruby builtin that will percent-escape ' ?
<Synthead>
sorry, ampersand (&) escape
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<Hanmac>
or with "
<Hanmac>
>> puts "test'ing".gsub("'","\\\\'")
<al2o3cr>
(NilClass) nil, Console: test\'ing
<Mon_Ouie>
macer1: You realize / has no special meaning whatsoever?
<macer1>
ah
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<macer1>
my bad
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ged__ is now known as ged
<macer1>
>> require 'active_support'
<al2o3cr>
-e:1:in `eval': cannot load such file -- active_support (LoadError), from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require', from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<macer1>
>> `gem install active_support`
<al2o3cr>
/usr/lib/ruby/1.9.1/yaml.rb:56:in `<top (required)>':, It seems your ruby installation is missing psych (for YAML output)., To eliminate this warning, please install libyaml and reinstall your ruby., ERROR: While executing gem ... (Errno::ENOENT), No such file or directory - /home/jrajav
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<macer1>
>> fork while true
<al2o3cr>
[FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno..., [FATAL] Failed to create timer thread (errno: 11)
<macer1>
damn :D
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<Mon_Ouie>
You can try anything you want, it's pretty safe ;)
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<macer1>
the problem is old version was easy to crash :/
<macer1>
now it is written in node.js
<Mon_Ouie>
It is? The github version, updated 3 days ago, is in Ruby
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<macer1>
oh the old was node.js?
<Hanmac>
macer1 yeah ... its now safe, forced by evolution :P
<macer1>
anyway
<macer1>
it is spawning new process
<macer1>
and crashing the process doesnt crash the bot ;/
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<macer1>
Hanmac: yup :D
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<macer1>
I have a super cool way to crash ruby
<macer1>
but the parent process cant crash this way
* Hanmac
feels good because he was an evolutional factor
<macer1>
I was too :D
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<al2o3cr>
/usr/lib/ruby/1.9.1/yaml.rb:56:in `<top (required)>':, It seems your ruby installation is missing psych (for YAML output)., To eliminate this warning, please install libyaml and reinstall your ruby., ERROR: While executing gem ... (Errno::ENOENT), No such file or directory - /home/jrajav
<al2o3cr>
/usr/lib/ruby/1.9.1/yaml.rb:56:in `<top (required)>':, It seems your ruby installation is missing psych (for YAML output)., To eliminate this warning, please install libyaml and reinstall your ruby., ERROR: While executing gem ... (Errno::ENOENT), No such file or directory - /home/jrajav
<macer1>
what the..?
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<Hanmac>
macer1 its not build with yaml support ... you cant change that :P
<macer1>
damn -_-
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<macer1>
crashing ruby is fun
<macer1>
but the parent can't crash
<macer1>
hmm...
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<machty_>
hey, in rails console, if i type 2.weeks, it yields => 14 days, but 2.weeks.to_s yields "1209600"… where is the 14 days coming from? how do i get it to explicitly to yield "14 days" in my rails app?
<al2o3cr>
-e:1:in `eval': Permission denied - fail (Errno::EACCES), from (eval):1:in `open', from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<machty_>
i'm also just curious about the mechanics behind what's happening
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<macer1>
the 1209600 is number of seconds
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<Hanmac>
machty_ you are in the wrong channel :(
<machty_>
BALLS
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<ged>
>> IO.read( '|-' ) or exec 'usr/bin/sudo', 'ps', 'aux'
<al2o3cr>
, [FATAL] Failed to create timer thread (errno: 11)
<macer1>
who want to see a cool trick to segfault ruby :D?
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<ged>
>> File.read( __FILE__ )
<al2o3cr>
-e:1:in `eval': No such file or directory - (eval) (Errno::ENOENT), from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<Mon_Ouie>
It's run using ruby -e
<macer1>
and sudo
<ged>
Heh.
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<Mon_Ouie>
And the only two binaries you can use are sudo and ruby
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rodasc is now known as crodas
<matti>
macer1: Sorry, I was busy. I am on-call today.
<heftig>
ps isn't there, either
<heftig>
so sudo is useless
<macer1>
matti: oh, no problem.
<macer1>
ping me when you have time
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<macer1>
the bot will be a lot better if it just ran code using ruby sandbox
<macer1>
a lot easier to crash :/
<aoeuhtnsid>
hi I want to use https://github.com/perrym5/mumble-ruby to create a mumble bot. I can connect and do things, but then my script reaches the end and my bot leaves. How do I keep the script running so that my bot doesn't die?
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<aoeuhtnsid>
macer1, ah that may also be something I have to worry about, but my question is more basic. What's the best way to prevent the ruby interpreter from reaching the end of my script and stopping the script? i.e. do I put some sort of infinite loop at the end?
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<macer1>
while true
<aoeuhtnsid>
macer1: thanks!
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<macer1>
but its not a good idea as any while true will be using all cpu if you dont sleep a little
<macer1>
i.e loop { 1 } is using all cpu
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<macer1>
>> sleep until false
<macer1>
>> puts "hi"
<al2o3cr>
(NilClass) nil, Console: hi
<macer1>
damn
<ged>
>> require 'dl'
<al2o3cr>
, [FATAL] Failed to create timer thread (errno: 11)
<ged>
Awww... ;)
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<macer1>
>> puts "hi"
<al2o3cr>
, [FATAL] Failed to create timer thread (errno: 11)
<macer1>
pwnd :D?
<macer1>
^^
<macer1>
epic win
<Hanmac>
:P
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<macer1>
>> puts "am I dead :(?"
<al2o3cr>
, [FATAL] Failed to create timer thread (errno: 11)
<macer1>
jrajav have a new bug to fix, hehe
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<macer1>
executing "fork while true" in irb wasn't good idea...x.X
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