<Ox0dea>
It's still not very sensible, but I was happy to finally have that mystery cleared up the other day.
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<cj>
okay, I just changed a bunch of node['ipr_portal']['foo'] to node['default']['ipr_portal']['foo'] and similar. Is there anything wrong with that syntax change?
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<Ox0dea>
cj: %w[default ipr_portal foo].reduce(node, :[]) is another option.
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<Ox0dea>
Of course, it's only really useful if the keys and/or access depth are dynamic values.
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<ramfjord>
does anyone have an idea how to do what I'm trying to do here
<ramfjord>
basically I would like to define class getter/setter methods when a module is included
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<ramfjord>
really I'd just like to have class X include the module, call `set_var 3` in X's definition, and have var accessible as an instance method on any X
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<Ox0dea>
ramfjord: Why an instance method?
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<ramfjord>
nm, I'm dumb - I just had the self.included in the ClassMethods module
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<ramfjord>
not necessarily an instance method - it just needs to be available to an instance
<ramfjord>
(instead of in the Test module)
<Ox0dea>
You don't need to specify ClassMethods there; self will suffice.
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<ramfjord>
well, it should be that when Test is included the class including it also extends ClassMethods
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<iBloodLust>
how does byte manipulation work in ruby?
<iBloodLust>
i want to have a variable that can store up to 2 bytes
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<Ox0dea>
iBloodLust: That's almost never how things are done in Ruby.
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<Ox0dea>
Ruby's integers are of arbitrary precision and grow and shrink automatically as necessary.
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<duderonomy>
iBloodLust: Can you break down the essence of the problem or goal with the bytes? Are you seeking bit field for storage?
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<iBloodLust>
nothing, just that i want to get into emulating. i know its recommended that i do this in c or c++
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<baweaver>
recommended nothing
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<baweaver>
ruby is a bad idea for this
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<Ox0dea>
Still, you can access an integer's individual bits with Numeric#[] should the need ever truly arise.
<Ox0dea>
What are you, twelve? It was the greatest scoring performance in modern NBA history.
<Aeyrix>
I'm thinking about a lot of things at once, sorry.
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<Ox0dea>
Apologies for troubling you, then.
<iBloodLust>
wow ruby is pretty slow compared to javascript,were other ruby implementations tested? are the other implementation such as mruby and rubinius even faster than ruby mri?
<Ox0dea>
Warriors in six, though.
<Aeyrix>
Ox0dea: Get out.
<Aeyrix>
Cavs in 6, there's always this year.
<Ox0dea>
> mfw cavs = champs
<cnngimenez>
iBloodLust: really? is that slow? :-/
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<Aeyrix>
Ox0dea: mfw Irving is busy healing from gettin rekt
<cnngimenez>
iBloodLust: Are you trying the Ruby interpreter from the ruby-lang.org page?
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<iBloodLust>
2.1.2 to be exact
<iBloodLust>
yes
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<cnngimenez>
on GNU/Linux, right?
<Aeyrix>
GNU/Freedom.
<cnngimenez>
better :-)
<Aeyrix>
I'm using GNU/OS X.
<Aeyrix>
Means I can't get viruses.
<Aeyrix>
Ox0dea: Got a home team?
<cnngimenez>
that's odd... JS faster than Ruby... Maybe I can do some tests...
<Aeyrix>
Uh
<Ox0dea>
Aeyrix: Not particularly anymore, but I'd like to see Curry get his.
<Aeyrix>
of course JS is faster.
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<cnngimenez>
but, I cannot compare against the language itself... I hate programming in JS!
<iBloodLust>
im using gnu/linuxc
<Ox0dea>
cnngimenez: Why?
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<Aeyrix>
The JS interpreters are worked on incessantly because they're build into web browsers.
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<Aeyrix>
They have literally the *top* minds in language VMs working on them.
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<Aeyrix>
Ox0dea: muh cavs
<cnngimenez>
I don't know...
<Aeyrix>
Celtics disappointed me too much.
<cnngimenez>
Ox0dea: I think its syntax and that thing of globals variables everywhere... Ruby implements visibility a bit better :-P
<Ox0dea>
cnngimenez: You are ill-informed.
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<cnngimenez>
I hope... I have only used JS on Web only
<cnngimenez>
And also CoffeeScript...
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<Ox0dea>
Aeyrix: Looks like your boy won't be pulling an Oscar Robertson this series.
<Ox0dea>
I would've liked to see that, to be honest.
<Aeyrix>
From his hospital bed?
<Ox0dea>
I meant LeBron averaging a triple.
<Aeyrix>
Current score is making me upset.
<Aeyrix>
GSW 100 : 79 CLE
<RickHull>
blackjack!
<Ox0dea>
Spoiler alert: it's 102-81 here.
<Aeyrix>
102 : 80
<Aeyrix>
yeah
<cnngimenez>
have to go! :-) bye! :-)
<Aeyrix>
Today is just not my day, tbh.
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<iBloodLust>
why do people use C# over other great languages
<iBloodLust>
delphi is one
<RickHull>
.NET libs
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<Aeyrix>
>delphi
<Aeyrix>
mods
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<iBloodLust>
but .net libs is expensive in a way
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<bosma>
Anyone get ZeroMQ / Ruby on Windows?
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<Aeyrix>
Ox0dea: idk what happened to LeBron that game.
<Aeyrix>
20pts.
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<RickHull>
did he crack 50% in free throw pctg?
<arthurcolle>
ruby on windows is a real nightmare
<bosma>
yes
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<bosma>
lots of things are
<Ox0dea>
Aeyrix: I wonder if his uncharacteristically scrub-tacular performance had anything to do with him learning that he accidentally whipped his penis out on live television.
<Aeyrix>
Ox0dea: lmao
<Aeyrix>
He was already doing avg though.
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<bosma>
I'd just like to pass messages from my C# application to my ruby IRC bot.
<bosma>
any ideas?
<Ox0dea>
Either way, the mojo got out and he never recovered it.
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<Aeyrix>
Hopefully we get a recovery for next game.
<Aeyrix>
bosma: Unix sockets.
<RickHull>
i blame the leg rub guy
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<RickHull>
if it sounds like I'm gloating, it's because I'm gloating xD
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<Ox0dea>
ajaiswal: For what it's worth, the Regexp would be as simple as /\w+::\w+::\w+/, and you might consider using it if you're sure you only need the first three components.
<Befine>
Radar: ping
<ajaiswal>
yep. i need only first three block.
<ajaiswal>
Ox0dea: thanks
<Ox0dea>
Sure thing.
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<Aeyrix>
Just overheard "meme" being pronounced as "me me".
<Aeyrix>
Help.
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<Befine>
Is Ruby/Rails even worth learning now when Elixir/Phoenix is out. If it's not for job but for web development itself.
<shevy>
Aeyrix lol
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<RickHull>
Befine: sure. just for ecosystem
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<Ox0dea>
gem install ecosystem
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<RickHull>
# this boils the ocean
<Befine>
Ox0dea: There is similar things in Elixir/Phoenix.
<Befine>
are*
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<Aeyrix>
*shrugs*S
<Aeyrix>
Elixir isn't the mass migration of Ruby users.
<Ox0dea>
Yet.
<Aeyrix>
I personally can't get over some of the syntax quirks.
<Ox0dea>
It's not like Crystal is gonna take off.
<RickHull>
i like Elixir better than Ruby at this point, but I don't see the Elixir stack taking over anytime soon
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<Ox0dea>
RickHull: Why?
<Aeyrix>
Convenience of interpreted languages.
<RickHull>
i've drifted away from OOP towards FP
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<Ox0dea>
Ruby is pretty FP.
<Befine>
Aeyrix: The syntax is very easy lol.
<RickHull>
most of my ruby these days looks more like FP than OOP
<Aeyrix>
Ox0dea: wat
<Aeyrix>
Ruby is the purest OO you can get.
<Aeyrix>
Literally everything is an object.
<Befine>
Aeyrix: You are not a progrmmer, are you?
<Ox0dea>
And yet we #map and #reduce all day.
<Aeyrix>
Befine: No, I'm a security consultant.
<Aeyrix>
Ox0dea: You might.
<RickHull>
Ox0dea: yeah, basically i've drifted towards FP-style approaches in my ruby, and Elixir is the natural continuation, with some nice guarantees that fall out of sticking to FP
<RickHull>
which ruby doesn't offer
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<Befine>
Aeyrix: I could figure it out from 3-4 sentence you said.
<flughafen>
i should register it aaand sell it for millions of pennies
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<adaedra>
:D
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<shevy>
lol flughafen
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<shevy>
so they aim for 2017
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<shevy>
how long did it take them like then... a decade?
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<flughafen>
shevy: i have no idea
<shevy>
they would be faster by BUYING another airport and transferring it piece by piece
<flughafen>
ha, yeah
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<hefest>
i can't force thinking-sphinx to search in match_mode any. any ideas? i can post the sample query.
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<bosma>
If I have two threads, one is setting a class variable, one occasionally reads it, is that safe to do?
<ljarvis>
no
<bosma>
Mutex?
<ljarvis>
yep
<bosma>
cheers
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<bosma>
what could go wrong?
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<pontiki>
yolo
<adaedra>
:@
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<Darkwater>
what's unsafe about that
<ljarvis>
actually a mutex won't help you
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<bosma>
Yeah I'm not seeing what's wrong.
<ljarvis>
well, "safe" is probably the wrong way to describe it
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<ljarvis>
of course it's safe
<Darkwater>
yeah it doesn't kill me
<Darkwater>
hopefully
<Darkwater>
(depends on where it's used)
<bosma>
is it guaranteed to not result in my program crashing
<bosma>
is really the question
<ljarvis>
i don't know the implementation so who knows
<ljarvis>
probably not
<ljarvis>
but you can't except any guarentees
<apeiros>
bosma: depends on how setting and reading the variable interact
<ljarvis>
expect*
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<ljarvis>
basically I would store thread local variable
<ljarvis>
but again, depends on the implementation
<ljarvis>
we know nothing right now
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<apeiros>
bosma: there aren't really silver bullet solutions with regards to threading. almost all questions whether something is thread-safe are context sensitive.
<bosma>
right
<bosma>
just given my question specifics
<apeiros>
you can protect something with a mutex and create a dead- or a livelock
<apeiros>
i.e. still not be threadsafe
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<bosma>
I'm separating proper behavior with the programming language not being able to handle it
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<bosma>
can the read result in garbage, or just an old value
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<ljarvis>
well, it's guarenteed to be a value... :P
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<apeiros>
bosma: old value. no garbage.
<bosma>
ah good
<apeiros>
in another language, that doesn't necessarily hold true
<bosma>
I understand the problems with concurrency. Right why I asked.
<apeiros>
and actually even in another runtime it doesn't need to
<bosma>
Was thinking maybe the assembly could become garbled
<ljarvis>
no
<apeiros>
but MRI afaik has atomic assignment
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<baweaver>
Jack had a problem, so Jack decided to use Threads. problems Now two has he.
<bosma>
cinch bot
<adaedra>
Now Jack Yoda is
<bosma>
just subscribing to eurusd ticks, making a trading game.
<shevy>
Jack the beaver
<baweaver>
you rang?
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<bosma>
and I want to thread all the things right now
<bosma>
x99-A arrived other day :D
<shevy>
lol
<shevy>
thread all the things
<shevy>
:D
<bosma>
yes what can go wrong
<bryanmuus_>
just started learning ruby
<shevy>
yay bryanmuus_
<shevy>
bryanmuus_ you come from another programming language?
<adaedra>
options are case-insensitive and _ are ignored
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<adaedra>
setopt N____o____B____e____E____p
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<dreinull75>
does anybody know how to use rack-ssl with puma? I can bind to ssl and tell puma where my certs are but then I don't need rack-ssl and its convenient http-> https services.
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<dreinull75>
not a rails question btw :)
<adaedra>
SSL is usually handled by front-facing server (nginx, apache, etc...), no?
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<shevy>
wouldn't it be cool if we could generate both text/console-programs and GUIs
<dreinull75>
adaedra sure, I want to use puma only
<shevy>
at the same time
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<dreinull75>
shevy it would be.
<dreinull75>
yesterday I looked at the state of ruby and gtk. It's awful. Too complicated.
<adaedra>
shevy: iirc, YaST has both console and gui modes with – approximately – the same GUI
<shevy>
hmm
<shevy>
dreinull75 yeah you are right
<shevy>
I wondered how to make ruby-gnome simpler altogether
<shevy>
when I switched to ruby 1.9.x, I was not writing any ruby-gnome code for several years
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<dreinull75>
shevy did I see you in the commiters list
<dreinull75>
?
<shevy>
when I tried to resume, I struggled; I could not remember how to use the stuff... how do you make a coloured text buffer for instance; or how do you add new elements to a "table" in ruby-gnome
<shevy>
you have to somehow keep track of something called an iter
<shevy>
dreinull75 don't think so, I know no C :(
<dreinull75>
ok, was probably some other guy
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<shevy>
what also annoys me is how the CSS things aren't easily available in ruby-gnome
<shevy>
why can't I just use css consistently to style all widgets
<Darkwater>
adaedra: thanks for the reminder
<Darkwater>
I have no idea why I had setopt beep in my zshrc
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<maloik>
there are worldwide routing issues
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<triangles>
I'd like to write to a buffer, and then flush it to STDOUT at specified times. I'm reading the documentation on the IO class now, but I don't really understand the use of 'file descriptors'.
<triangles>
There's an example given but it uses /dev/tty and I want the program to run on Windows also.
<triangles>
What kind of file descriptor do I want?
<Darkwater>
triangles: you'd want $stdout
<atmosx>
hello
<Darkwater>
hi
<atmosx>
:-)
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<Darkwater>
no irc plays ruby apparently
<triangles>
Darkwater: $stdout as the file descriptor? That's a type error. Or just write to $stdout rather than a new IO object? Because unless there's a way to change it, when you write to $stdout it instantly writes to stdout
<Darkwater>
DO mail servers are dead
<triangles>
I want to build up a buffer and then fluesh it when I'm ready
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<Darkwater>
triangles: maybe do the buffer separately
<Darkwater>
then write to stdout when you're ready
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<Darkwater>
(and flush, it might not be instant for everyone)
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<arup_r>
atmosx: Hi
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<joneshf-laptop>
I'm looking to play around with design. Say I wanted to describe a mixin with a few different methods: `foo`, `bar`, and `baz`. Let's say `bar` and `baz` depend on `foo`, but are generic enough to be implemented directly in the module. And `foo` is something that should be implemented by the mixer. How should I go about depicting that `foo` needs to be implemented?
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<apeiros>
joneshf-laptop: that sounds like what Enumerable does. it depends on .each being defined.
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<joneshf-laptop>
apeiros, yeah, pretty much like that
<apeiros>
joneshf-laptop: IMO state it in the documentation of your module that the including party is expected to define `foo`
<apeiros>
you could also implement it in your module and raise
<apeiros>
but that'd prohibit designs where `foo` is defined in an ancestor, but the descendant includes your module.
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<shevy>
did you guys know that black cats means good luck in japan?
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<joneshf-laptop>
apeiros, so in the first approach I don't even write the method in the module?
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<apeiros>
joneshf-laptop: correct
<joneshf-laptop>
okay
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<apeiros>
given that e.g. Enumerable and Comparable set a precedent for that, it's IMO ok
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<joneshf-laptop>
Is it common to have that other scenario you mentioned, where the descendant includes something that depends on an ancestor's methods?
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<dangerousdave>
#test
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<dangerousdave>
#textual
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<jhass>
dangerousdave: #fail
<jhass>
#not #twitter :P
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<dangerousdave>
jhass: my irc client can't connect, so am using a browser client I don't understand
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<Siyfion>
Right so I have some code blocks, that need to access instance variables inside the block, my linter is throwing warnings about all of them, but it *does* work currently.
<atmosx>
why not?
<atmosx>
dangerousdave: what's the prob?
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<Siyfion>
How the hell do I get around accessing instance vars inside a block?
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<atmosx>
Siyfion: can you show the code?
<atmosx>
Siyfion: the entire class possibly, where the instance vars are defined and how are you accessing them inside your block?
<Siyfion>
atmosx: okay
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<Siyfion>
line 42 it's complaining about both instance variables... along with lines 48, 50, etc.
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<dangerousdave>
atmosx: no idea really, my irc client works fine on home connection, however at work I get: [12:13:46] Connecting to [chat.freenode.net] on port 6667 [12:14:16] Attempt to connect to host timed out [12:14:16] Disconnected
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<dangerousdave>
jhass: atmosx: [12:24:06] Connecting to [holmes.freenode.net] on port 6667 [12:24:36] Attempt to connect to host timed out [12:24:36] Disconnected
<jhass>
Siyfion: mmh, there's a bigger issue here first, ll 10-13 do nothing. @foo inside and outside an instance method definition are two different variables
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<jhass>
Siyfion: but from the code you've shown I'm not sure why you use instance variables in the first place
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<jhass>
there seems to be no reason for a single one
<Siyfion>
Ah yeah, bad example
<atmosx>
Siyfion: you don't initialize the 10-13 variables
<jhass>
dangerousdave: no matter which you pick? maybe work started blocking IRC?
<atmosx>
Siyfion: but as jhass said you don't have to use instance vars anyway.
<atmosx>
dangerousdave: try nc holmes.freenode.net 6667 see if it comes up with some txt
<jhass>
Siyfion: in fact given it's a singleton, they needlessly prevent concurrent invocations of your method currently
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<Siyfion>
jhass: I'm sorry, complete newb to Ruby
<jhass>
no worries, just pointing out ;)
<Siyfion>
jhass: Just trying to get my head around it ;)
<dangerousdave>
jhass: its a new job, so I have never seen it working, so I think you are right
<dangerousdave>
atmosx: nc?
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<jhass>
dangerousdave: try SSL
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<dangerousdave>
jhass: atmosx: with SSL, [12:32:35] Connecting to [holmes.freenode.net] on port 6697 [12:32:36] Connection to host at [83.170.73.249] established [12:32:59] Transport Layer Security (TLS) Error: Connection was closed as a result of an error (-9806) [12:32:59] Disconnected
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<jhass>
wut
<Siyfion>
jhass & atmosx: Here's a more complex example, I'm really just trying to use instance variable to save passing shit loads of data into all the functions.. https://gist.github.com/Siyfion/d92dc707a7f359edff70
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<jhass>
dangerousdave: again no matter which host you try?
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<jhass>
Siyfion: could you edit it and activate syntax highlighting?
<Siyfion>
done, my bad
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<jhass>
well, still the same issue with ll. 9-13 most likely not doing what you think they do
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<jhass>
if you don't make it a singleton it should even turn thread safe (given whatever library you use there is thread safe), so I'd probably have the linter stfu
<Siyfion>
Like I said, it's just to stop having to pass variables all over the place
<jhass>
sure
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<Siyfion>
= lazy
<jhass>
not at all
<Siyfion>
But if it doesn't work.. or isn't as simple as that
<jhass>
also good programmers are lazy
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<dangerousdave>
jhass, yep, tried a few, all the same
<jhass>
Siyfion: well, what's the exact complaint of your linter?
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<Siyfion>
jhass: "Cannot find declaration for field '@width'"
<jhass>
wat
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<jhass>
Siyfion: one thing I would change however is to only make those instance variables that actually are shared, from a quick look that seems to be only @pdf and @data_points
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<jhass>
Siyfion: but yeah, I think you just got your linter confused there :P
<Siyfion>
Silly RubyMine :P
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<Siyfion>
It's also complaining mightily about the line "box.instance_eval { @font_size }" saying that @font_size is undefined... but then I guess that's just because it has no idea I'm using 'instance_eval'
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<veleno>
using Sequel, how do i translate an SQL statement in which the WHERE clause uses an OR ? WHERE status='AVAILABLE' or status='PREAVAILABLE’ This does not work: where(:status=>'AVAILABLE' or :status=>'PREAVAILABLE')
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<jhass>
Siyfion: uh, I didn't notice the instance_eval
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<jhass>
Siyfion: well, instance_eval does change the lookup scope for instance variables
<adaedra>
veleno: try the block construct
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<Siyfion>
Yeah, I think that's the linter just not having a clue about the underlying data structure of that (a bounding-box)
<adaedra>
where { status == 'AVAILABLE' || status == 'PREAVTHING' } # veleno
<jhass>
veleno: .where(status: %w(AVAILABLE PREAVAILABLE)) should work too
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<jhass>
Siyfion: still hacky but I'd use box.instance_variable_get(:@font_size)
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<bhaak>
jhass: isn't that technically AR? IIRC Sequel's own construct would be using in, e.g. .where{status.in %w{A, B}}
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<Siyfion>
jhass: Oh okay, I'll give that a go
<jhass>
uh, might be that I just assumed sequel would support that too
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<bhaak>
or maybe I just mixed up Squeel and Sequel
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<Outlastsheep>
'Squeel'? did you mean 'Squeal'?
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<shevy>
Sheep
<bhaak>
if there is another ORM out there named 'Squeal', I'm gonna buy a gun and shoot everybody who thinks project need cute names
<jhass>
so much for puppy linux then
<Outlastsheep>
shevy: yes?
<shevy>
lol
<shevy>
no I meant Sheep really
<Outlastsheep>
"Project Hamster-fur"
<shevy>
as in similar to Squeal
<Outlastsheep>
"GNU/Kitten" Oh god I think I see the light.
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<master44>
Look at the 5 last lines why doesnt it break?
<krisquigley>
theres no condition for the elsif
<master44>
what you mean
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<krisquigley>
whats the last elsif checking for?
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<master44>
if it doesnt put anything between a and z
<master44>
it will put "Du er digg" and exit
<krisquigley>
should just be else then
<master44>
oh ok
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<master44>
It worked
<master44>
why else not elsif?
<krisquigley>
elsif is just another if
<krisquigley>
it needs a conditional, something to compare, to see if it is true
<master44>
and else is?
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<krisquigley>
elsif is ruby for else if
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<master44>
yes
<master44>
and the else meeans?
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<krisquigley>
If none of the `if`'s match, then else will run
<master44>
like onyl else
<master44>
ah
<master44>
ok
<master44>
thanks man! :D
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<krisquigley>
np
<master44>
You are very nice guy :) Thanks, bye
<krisquigley>
lol
<krisquigley>
I might have to fork that project
<master44>
but is it possible to break when its if
<master44>
like if user_input == "yes" break
<krisquigley>
yeah
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<master44>
so elsif
<master44>
could be the same code
<master44>
as if
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<krisquigley>
yes
<master44>
just I had to end it all the time?
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<master44>
so its like a shortcut?
<krisquigley>
if you want it to break after any key press, then you don't need a while loop
<master44>
yes I know
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<master44>
I want it to run every time you press a-z
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<master44>
but something else like sadjj or 2 it will say: du er digg, and break
<krisquigley>
ok
<master44>
and that works now :)
<master44>
cya
<krisquigley>
o/
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<dangerousdave>
who would win in a fight between shevy and bhaak?
<shevy>
dunno
<shevy>
is he my weight class
<Darkwater>
depends
<Darkwater>
casually? shevy
<Darkwater>
to the death? bhaak
<shevy>
and at which temperature will we fight
<krisquigley>
haha, I like how you are go quiet when that guy came in...
<shevy>
I am good in the cold but useless during heat
<krisquigley>
all*
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<master44>
a constant its not constant? wtf why
<master44>
thats bullshit
<apeiros>
master44: watch your language
<shevy>
master44 yeah the name is strange
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<shevy>
apeiros also wondered about the name :-)
<apeiros>
I wondered more about the current implementation
<shevy>
master44 the general philosophy in ruby is that, if you want to do something, you can do it
<apeiros>
a constant (should) constantly reference the same object. it does not guarantee that this object is immutable.
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<shevy>
you can change constants in ruby
<adac>
does someone know how to transform a hex color into rgba?
<apeiros>
the part which can be strange is that even the "constantly references the same object" is not guaranteed. reassigning only gives a warning. and remove_const allows reassignment even without warning.
<Darkwater>
what's so special about constants in ruby then
<apeiros>
as for the why: only matz knows.
<Darkwater>
nothing?
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<apeiros>
Darkwater: the speciality of constants is the scope
<shevy>
yeah, .const_set triggers no warning. I found that weird too, does not seem consistent
<apeiros>
globally visible with a kind of search path
<shevy>
Darkwater every class and module name is a constant
<apeiros>
shevy: gives a warning here
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<shevy>
oh
<apeiros>
that is, if the constant exists already
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<master44>
Is it a way to make a variable that is constant
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<master44>
that you really cant change?
<shevy>
you are right... strange
<apeiros>
master44: there's almost nothing in ruby which you really can't change
<shevy>
I thought it triggered no warning
<shevy>
master44 everything can be changed; perhaps not objects that were .freeze frozen
<apeiros>
you can freeze the class/module which contains the constant
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<apeiros>
>> class Foo; Bar = 1; end; Foo.freeze; class Foo; Bar = 2; end
<ruboto>
apeiros # => can't modify frozen #<Class:Foo> (RuntimeError) ...check link for more (https://eval.in/380533)
<shevy>
class Hell; end; hell = Hell.new; hell.freeze
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<mistnim>
well to explain, let's say I just want to send the temperature value of my cpu and I can read it from my phone everywhere
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<Darkwater>
write a small sinatra app
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<Darkwater>
get '/temperature' do File.read('/sys/whatever/temperature') end
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<Darkwater>
ooh ooh ooh
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<Darkwater>
maybe I'll write an app for stuff like this
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<mistnim>
I don't know sinatra, I know just basic ruby for now
<Darkwater>
like, add a text widget that loads text from http://something/blah every minute
<Darkwater>
hmm
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<Darkwater>
mistnim: sinatra is very easy
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<proteusx>
sinatra is pretty easy to use due to it being a microframework
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<Darkwater>
you literally require 'sinatra' and write what I just wrote
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<Darkwater>
get '/foo' { 'bar' }
<Darkwater>
then run it
<mistnim>
Darkwater: does it work as an http server too?
<Darkwater>
and going to localhost/foo will return bar
<Darkwater>
yes
<mistnim>
ok I try thanks
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<Darkwater>
well not as an actual server, but you can use it like you want to
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<Darkwater>
gem install sinatra; echo -e 'require "sinatra" \n get "/foo" do \n "foobar!" \n end' > server.rb; ruby server.rb
<Darkwater>
should work
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<mistnim>
cool
<jhass>
mistnim: see and if you initially asked "how can I write a small web application to read my PCs temperature" you had gotten that answer promptly ;)
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<Darkwater>
yeah, it's cool to think about what you really need, but when asking for help it's better to ask a question with a lot of context
<ZeD->
trying to encode a value in base64, but the value consists of a string and a variable - something along the lines of - var_encoded = Base64.encode64("string":var), obviously in this syntax it does not work, any suggestions ?
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<jhass>
ZeD-: "string #{interpolation}"
<ZeD->
er, the ":" is part of the string
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<ZeD->
hm, lemme try that
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<Darkwater>
"string: #{var}"
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<Darkwater>
alternatively "string: " + var
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<jhass>
no that's not a good alternative ever :P
<ljarvis>
which isn't the same thing
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<mistnim>
jhass yes I just made that simple context to get an answer, what I need is actually a bit more complicated, but longer to explain
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<Darkwater>
if it's a string it is
<Darkwater>
jhass: str1 + str2
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<Darkwater>
I'd rather write that than "#{str1}#{str2}"
<jhass>
I know the devil, I mean string concatenation
<ljarvis>
who said it's a string
<Darkwater>
that's true
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<Darkwater>
actualy would it really matter
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<ZeD->
shweet! that worked, thanks!
<Darkwater>
when would "foo #{bar}" be different from "foo " + bar?
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<jhass>
everytime
<ljarvis>
>> "foo " + 1
<ruboto>
ljarvis # => no implicit conversion of Fixnum into String (TypeError) ...check link for more (https://eval.in/380549)
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<jhass>
"foo #{bar}" is ("foo " << bar.to_s)
<ljarvis>
"foo #{bar}" is the same as "foo " << bar.to_s
<ljarvis>
heh
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<Darkwater>
oh alright
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<ljarvis>
so yeah, that's generally why I avoid + (interpolation implicitly calls #to_s which is nice)
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<mistnim>
Darkwater: it works! but i need it on port 80
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<Darkwater>
then add -p 80
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<Darkwater>
though you'll have to run it as root then
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<Darkwater>
which could be dangerous
<Darkwater>
so think about it for a sec
<mistnim>
Darkwater: add -p 80 where?
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<ljarvis>
mistnim: is this for a production app?
<Darkwater>
ruby server.rb -p 80
<mistnim>
ljarvis: no
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<al2o3-cr>
ZeD-: you can also encode using pack/unpack :P
<jhass>
mistnim: why do you need it on port 80?
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<mistnim>
jhass: connect from my phone
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<adaedra>
you can connect to a different port using :port in the URI
<jhass>
mistnim: I see no reason why that would require that
<adaedra>
i.e. example.org:1337
<mistnim>
ops, I actually the server has only some open ports
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<jhass>
open another one then?
<ljarvis>
i have pliers
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<jhass>
if we're talking about network internal port forwarding also note that the external and internal port can differ
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<ljarvis>
this is screaming for a reverse proxy but im scared to suggest it
<jhass>
boxcars <3
<Darkwater>
ljarvis: it's probably just a small project that's not worth overengineering
<mistnim>
not my server, I can't change open ports
<jhass>
but you can run stuff as root? oO
<mistnim>
jhass yes, it's, how do you call it? Virtual server
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<adaedra>
you're in a container/VM/jail?
<mistnim>
yes
<ljarvis>
jhass: that looks pretty nice
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<jhass>
yeah, use it as dev proxy
<jhass>
I should write a wrapper so I can do bxctl add foo.dev 1337
<ljarvis>
I use pow locally heh
<jhass>
I let my DNS respond with 127.0.0.1 for *.dev
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<jhass>
-> magic free pow on linux :P
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<ljarvis>
yeah i use that and nginx on linux
<ljarvis>
bit overboard but i love nginx
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<BlueProtoman>
I'm trying to install jekyll in Ubuntu 14.04, but I get this error when compiling native extensions. http://pastebin.com/YXxE1DA0 Any thoughts?
<ruboto>
BlueProtoman, we in #ruby do not like pastebin.com, it loads slowly for most, has ads which are distracting and has terrible formatting. Please use https://gist.github.com
<dgarstang>
bootstrappm: would be less rough if I could use python instead of ruby
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<bootstrappm>
uff now you're just trying to annoy people
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<dgarstang>
ruby makes my eyes bleed. 16 years in tech and nothing grates my skull like ruby does. Thanks bootstrappm but I need an ec2 example. None of the examples out there work, so I pretty much just have to copy and paste
* dudedudeman
raises hand for being at work at 8am... :/
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<ljarvis>
dgarstang: or do the research and implement it properly
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<bootstrappm>
dgarstang, I know, we're using it as a starting point
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<dgarstang>
ljarvis: I am trying. i need examples.
<ljarvis>
bootstrappm has offered you help, insulting Ruby isn't going to help you
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<bootstrappm>
all you _need_ to do is read the documentation ;), one sec and i'll send it to you
<bootstrappm>
and yes please don't insult ruby, its near and dear to my heart
<dgarstang>
bootstrappm: i dont use it by choice
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<bootstrappm>
it helped me get into an ivy league school at one point
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<dgarstang>
for some reason googling "aws-sdk v2 describe_instances" just gets me API references.
<dudedudeman>
dgarstang: what's your language of choice?
<dgarstang>
ljarvis: that doc has ec2.instances() with no contextual information aboout how ec2 was derived.
<ljarvis>
there's a "filters" hash key
<ljarvis>
dgarstang: you don't need to care about ec2, you already have that part working
<bootstrappm>
correct, filters hash key
<dgarstang>
ljarvis: not until bootstrappm told me I needed Resource instead of Client. I don't know how you'd determine that from the API reference
<bootstrappm>
so ec2.instances({filters: {name: 'blah'}})
<dgarstang>
bootstrappm: k, thanks for your help
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<bootstrappm>
then you do an each on it to get every instance
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<bootstrappm>
now there's A BUNCH of possible filter parameters, you'll have to choose the ones that make sense for your use case from ljarvis's link
<dgarstang>
bootstrappm: ah, each. for each {}!<{}[{{] of whatever it is
<imperator>
looking at forwarding/delegation again for the first time in a while
<bootstrappm>
correct. to get all instances: ec2.instances.each {|instance| instance.do_something }
<imperator>
how do I delegate all the things to an object, instead of listing methods individually?
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<ljarvis>
imperator: Delegator?
<bootstrappm>
also all of this won't work if you don't have your credentials setup in environment variables
<dgarstang>
bootstrappm: no matter how many times I read stuff like that in ruby it makes no sense. might as well be russian. python ... for var in thing.. ruby for var in some horrible list of symbols and squiggles
<bootstrappm>
ah, you might want to learn Perl or Smalltalk then dgarstang
<ljarvis>
imperator: SimpleDelegator will "just work(tm)"
<bootstrappm>
or just take the time to understand how Ruby woks
<dgarstang>
bootstrappm: i started with perl in 1992
<bootstrappm>
works*
* imperator
looks
<dgarstang>
bootstrappm: i've been trying for several years.
<bootstrappm>
have you used map dgarstang?
<bootstrappm>
that takes a block as a parameter in perl
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<dgarstang>
bootstrappm: sure, and that's one of many reasons I moved beyond perl. perl, and ruby, same thing.
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<bootstrappm>
you moved beyond perl because you didn't like their closure syntax + use of iterators ... to another language with the same syntax and constructs?
<dgarstang>
bootstrappm: because it's totally unreadable
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<imperator>
ljarvis, hm, not getting it, looks like i need two classes?
<bootstrappm>
well see, the thing with reading is ... everything is totally unreadable until you learn to read
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<bootstrappm>
i think there's a substantial community over here that would beg to differ with you
<ljarvis>
imperator: do you want customer behaviour as well?
<bootstrappm>
but hey, to each his own, let me know if you need any more help with that AWS thing
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<dgarstang>
bootstrappm: i generally read left to right, so var.each is very unintuitive
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<dgarstang>
bootstrappm: whereas FOR var IN something is very intuitive
<bootstrappm>
that's because that's how you've learned to read, time to learn a different way to read ;)
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<bootstrappm>
read like a computer, they read right to left! :P
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<dgarstang>
bootstrappm: english generally reads left ro right. anyway thanks again
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<bootstrappm>
no prob, gluck!
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<dgarstang>
i guess ruby lets me do for var in something. ... but finding an example is tough
<havenwood>
dgarstang: Your gauge of a language seems to be how easy it is to copy/paste.
<bootstrappm>
and then folks in the language can self-organize and create country ones
<dfockler>
are there going to be ruby channels for other countries?
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<ljarvis>
dgarstang: there already are
<ljarvis>
dfockler: ^
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<dfockler>
ahh ok
<dgarstang>
ljarvis: my issue is with creds tho
<ljarvis>
dgarstang: oh, that's not the gist you showed
<dgarstang>
ljarvis: yes it is... it says "`missing_credentials?'"
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<ljarvis>
dgarstang: did you try with the example I linked to? and if so, you're still having the same issue?
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<dgarstang>
ljarvis: no, because it says missing credentials...
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<ljarvis>
that's just the same of the method
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<dgarstang>
ljarvis: seriously?
<ljarvis>
the error is "undefined method `set?' for #<Hash:0x007f8219240a48>"
<ljarvis>
yes
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<dgarstang>
om
<dgarstang>
... g
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<apeiros>
#ruby-COUNTRY: 3, #ruby.COUNTRY: 0
<apeiros>
any other votes? :)
<dgarstang>
ruby... i dont understand you at all. one error message apparently means something else in ruby
<dgarstang>
it's gonna be an uphill battle
<bootstrappm>
hahah you'll live dgarstang
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* jhass
votes #ruby-LANGUAGE
<dgarstang>
https://github.com/aws/aws-sdk-ruby/issues/635 ... "If you are using the resource interface, you can use the #filter method:" ... yet now I get " `method_missing': undefined method `filter' fo"
<bootstrappm>
I don't think that's your prob though dgarstang. Try this:
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<jhass>
(which is not the same as country)
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<bootstrappm>
ohhh dgarstang, can you double check what aws sdk version you're using?
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<adaedra>
jhass: what about the existing?
<dgarstang>
bootstrappm: v2
<ljarvis>
yes I agree it should be language
<bootstrappm>
well, no its the Aws namespace, its def v2
<bootstrappm>
language +1!
<dgarstang>
boto ain't this hard. :-\
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<jhass>
adaedra: like?
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<adaedra>
apeiros: what about the existing?*
<bootstrappm>
anyways dgarstang take the credentials off of line 10
<adaedra>
jhass: #ruby.fr
<bootstrappm>
just set it on the cnofig
<jhass>
ah
<jhass>
well, fr is the language code too
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<adaedra>
(which is not really alive, but there are people in it)
<adaedra>
no, but - vs .
<dgarstang>
cbootstrappm: sorry, how?
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<dgarstang>
bootstrappm: so you think it IS a credentials issue?
<apeiros>
adaedra: nothing. we might contact their founders and suggest them to use the "standard". but totally up to them what they'll do.
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<adaedra>
'k
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<adaedra>
apeiros: anyway, - > .
<bootstrappm>
no its def an error on a Hash ... its just at first it seemed to be the filters hash but i actually think its the credentials hash
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<bootstrappm>
missing_credentials is the name of the method where this error happens, not an error message, no doubt
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<dgarstang>
if I could just find a complete example of listing ec2 instances with ruby, it would help, but I'm yet to find that still.
<dgarstang>
bootstrappm: then why can't the stack trace tell me that?
<bootstrappm>
it is, well its telling me that
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<apeiros>
adaedra: you already voted! don't cheat! ;-p
<bootstrappm>
my theory dgarstang is that you passed the credentials hash to the Resource constructor on line 10 instead of an Aws::Credentials object like the documentation told you to
<adaedra>
apeiros: I did?
<bootstrappm>
so its calling set? (a method that exists on Aws::Credentials) on a Hash and throwing an error because it doesn't have that method
<xcesariox>
is there any one there can help me with my error? " Errno::EACCES: Permission denied @ dir_s_mkdir - /Users/shaunstanislaus/.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/extensions/x86_64-darwin-14/2.2.0-static/binding_of_caller-0.7.2" after bundling install.
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<jhass>
bundle install as which user?
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<dgarstang>
screw it. I just put the creds into environment variables
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<bootstrappm>
dgarstang: if you pass filters in with the instances method its a hash, if you use the method .filters then its name, value as first and second argument
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<sandelius>
PHP reads the whole codebase on each request it seems. How in the name of (whoever you want) can that scale on large codebases?
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<livcd>
offtopic: what code editor do you prefer guys ?
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<sandelius>
livcd sublime text / vim
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<bootstrappm>
vim
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<arup_r>
hey guys I am using openSUSE 13.1 and Rvm .. I did rvm get stable and then rvm list known ... but Ruby 2.2.2 is not coming in the list.. any hints how to grab that ?
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<havenwood>
arup_r: rvm get head
<arup_r>
ok
<havenwood>
arup_r: or even though it isn't listed: rvm install ruby-2.2.2
<arup_r>
ahh! is it? I didn't know that..
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<arup_r>
no I get it now.. havenwood after doing rvm get head
<arup_r>
thanls
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<arup_r>
let me install and do some real work with it
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<heftig>
does anyone know of a good implementation of a tree for finding neighbors in a metric space with a custom distance function?
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<heftig>
trying to deduplicate images. found a hasher that produces integers that can be compared via hamming distance; now i just need a way of indexing them efficiently
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<bruceleez>
I'm trying to find a solution to a problem from a book. Only a few lines of code is required but I'm struggling - is there anyone here who can help?
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<heftig>
bruceleez: don't ask to ask, just ask
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<bruceleez>
the relevant chapter looks at arrays and iterators and the problem is at the bottom of this page. I'll copy/paste
<bruceleez>
basically i want to write a program which asks us to type in as many words as we want (one word per line, continuing until we just press Enter on an empty line), and which then repeats the words back to us in alphabetical order. OK? I cannot use the sort method though
<apeiros>
heftig: kd-tree? but what kind of algorithm uses a tree with neighbors in metric space to find duplicate images? o0
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<apeiros>
or is it a "similar images" algorithm?
<heftig>
apeiros: exactly
<heftig>
i need something like a bk-tree, vp-tree or m-tree
<apeiros>
I think somebody wrote an implementation of a proximity hash for that already. phash or so…
<jhass>
bruceleez: in future copy the URL in your addressbar, not the clone URL ;)
<apeiros>
ruboto feature? (relink and explain)
<bruceleez>
the solution is easy if I use the sort method with an array, but without it it is proving tricky
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<apeiros>
(and YES, I'm aware I'm the bottleneck :(
<apeiros>
)
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<jhass>
bruceleez: how about inserting the new word at the right place in the array? so after the user entered a word, find the right place to insert the word
<bruceleez>
what it all comes down to is, how does the sort method work? what is the code behind it?
<iBloodLust>
am i cool yet
<apeiros>
iBloodLust: dunno. use a thermometer?
<jhass>
bruceleez: if you do want to implement a sort algorithm, the most simple one is called bubble sort
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<apeiros>
bruceleez: there's a ton of different sorting algorithms. wikipedia probably lists most of them.
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<jhass>
ruby's sort uses quicksort, but you don't want to implement that just yet I think ;)
<iBloodLust>
question
<bruceleez>
my attempt at writing a sort algorith starts on line 12 in the github link i shared.....using too many loops i suspect
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<iBloodLust>
get ready
<iBloodLust>
is mruby just got c and c++
<apeiros>
actually it uses qsort, which likely (but not necessarily) uses quicksort (despite its name) :)
<iBloodLust>
can i pair it with a language like, lets say, D?
<apeiros>
(totally relevant)
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<bootstrappm>
is iBloodLust the same dude that shows up as the KKK?
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<iBloodLust>
but im black irl
<iBloodLust>
so what does that make me
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<iBloodLust>
black panther?
<jhass>
?ot iBloodLust
<ruboto>
iBloodLust, this seems to be off-topic. please move your discussion to #ruby-offtopic, to keep this channel free for ruby related problems. Thanks!
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<iBloodLust>
sry
<bootstrappm>
...and is also fond of irony
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<bruceleez>
jhass, with respect to your comment regarding finding the "right place in the array", could you please explain that bit more. I'm bashing my head here
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<jhass>
bruceleez: if you keep order, inserting while keeping order is just a matter of finding the place of the element bigger than the element you want to insert and inserting before that
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<bruceleez>
? - You lost me there
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<jhass>
bruceleez: [] insert "b" -> ["b"] insert "d" -> run to end, ["b", "d"] insert "c", "d" > "c", insert at 1 -> ["b", "c", "d"] insert "a", "b" > "a" insert at 0 -> ["a", "b", "c", "d"]
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<apeiros>
bruceleez: essentially - when the user inserts "d", and you have (sorted already) ["a","b","c","e","f","g"] - where do you insert the "d" so the array remains sorted?
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<apeiros>
figure out how you find out. once you know how you find out, express that in code. done :)
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<jhass>
bruceleez: which is actually basically your sort algorithm but doing it on insertion will actually work
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<apeiros>
insertion-sort can be implemented as O(n) optimal case and O(nlogn) worst case. it's actually a pretty nice algorithm.
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<Ox0dea>
apeiros: Every sorting algorithm is O(n) in the optimal case, no?
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<weaksauce>
apeiros worst and average case seems to be O(n^2) for insertion sort according to wikipedia.
<apeiros>
Ox0dea: nope
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<apeiros>
weaksauce: o0
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<apeiros>
weaksauce: that's only if you use linear search…
<bruceleez>
sorry im really new to Ruby and a lot of what's being written is going past my head. Can someone point to specifically which line in my code I should change?
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<apeiros>
searching the right place using binary search is logn
<Ox0dea>
Insertion sort is great if you're wanting to keep a stream of data in order.
<apeiros>
and searching n times the right spot is n*logn
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<weaksauce>
what about moving the elements in the array?
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<apeiros>
usually memcpy and not considered as its overhead is low
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<weaksauce>
worst case would be reverse order sorted
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<apeiros>
comparison is the expensive part
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<apeiros>
worst case depends on your search algorithm
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<apeiros>
but with linear search - yes, reversed
<weaksauce>
I was talking about insertion sort
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<apeiros>
yes, me too
<apeiros>
you may remember that insertion sort needs a search ;-)
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<apeiros>
and you can search linearly, binary or by any other means
<apeiros>
(though, I guess linear and binary are the most common ways to search a sorted structure)
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<Ox0dea>
You guess?
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<apeiros>
I don't have data on it, therefore I guess :-p
<apeiros>
all the other search algorithms I know are rather involved.
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<apeiros>
and unless you have a very specific case, they don't offer a real benefit over binary
<Ox0dea>
Anecdata is best data.
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<apeiros>
o0
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<adaedra>
No data is best data.
* jhass
adjusts apeiros irony detector
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<adaedra>
Instant to sort, instant to search in.
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<apeiros>
jhass: I hope you can find it
<adaedra>
No risk of data corruption, always backup'd.
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<jhass>
"adjust" means "give it a big kick" of course
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<apeiros>
good luck hitting it. and don't you dare missing it and kicking me instead!
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<adaedra>
technically, your irony detector should be part of you
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<jhass>
uh, what do you think I kick, gotta be in there somewhere
<adaedra>
so kicking it would kick you
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<apeiros>
what? no. I outsourced my irony detection.
<Ox0dea>
>> '%c' % 'ab'
<ruboto>
Ox0dea # => %c requires a character (ArgumentError) ...check link for more (https://eval.in/380785)
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<Ox0dea>
Should this be considered a vestigial leftover from the time when Ruby had characters?
<weaksauce>
apeiros just dusted off my old textbook and insertion sort got its running time from not the search but the insertion
<weaksauce>
I think putting the onus onto memcpy as a way around that doesn't really work that well with large datasets
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<apeiros>
weaksauce: was that textbook written when they still used punch cards?
<weaksauce>
heh
<weaksauce>
did you just call me old :P
<apeiros>
no, I gently asked whether you're old :-D
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<codenihal>
ls
<weaksauce>
not punch card old :)
<jhass>
. .. #ruby
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<Ox0dea>
ls -al
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<apeiros>
weaksauce: yeah, sure. depending on datasets and architectures, specific offsets may change.
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<apeiros>
and I don't have enough experience with such low level implementations to know where those boundaries are
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<Ox0dea>
Must be getting used to his window manager.
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<weaksauce>
that said. who writes sorting algorithms unless you need something really specific?
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<Ox0dea>
Interviewees.
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<apeiros>
in cases where insertion (and hence moving) is the bottleneck - I wonder whether it could be improved by changing how the structure is being filled. especially if you're not sorting a stream (i.e. when you know the number of elements, and can find minmax in O(n))
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<alanjf>
Does anyone know why this is happening? http://pastebin.com/GLd6yTCw (This is under 32-bit linux, most things build from source tarball on this systemm like openssl-1.0.2c.)
<ruboto>
pastebin.com loads slowly for most, has ads which are distracting and has terrible formatting.
<apeiros>
weaksauce: the only time I did was when I worked on a statistics engine and indeed had specific needs. and even then it was mostly for funsies and figuring limits :)
<apeiros>
oh, and of course university
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<weaksauce>
exactly
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<apeiros>
that's when I experimented with search algorithms as well btw. ;-)
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<alanjf>
ruboto: Sorry about that, I thought I was using pastbin.org, not .com
<apeiros>
?ruboto alanjf
<ruboto>
alanjf, I'm the channel bot, linker of the rules, adept of the facts, wielder of the banhammer.
<alanjf>
Right
<apeiros>
no need to apologize to a bot ;-)
<Ox0dea>
alanjf: You have a /pkg directory at the root of your filesystem?
<alanjf>
So does anyone have any idea what could be causing this problem? Google indicates a lot of people have had this problem but I can't find any solutions.
<alanjf>
Ox0dea: On this system, yes.
<Ox0dea>
Why?
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<alanjf>
IT was something that started before me, it's where everythign built from source lives.
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<Ox0dea>
Well, I suspect your standards-flouting shenanigans are the cause of your troubles.
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<alanjf>
(seems when the channel bot reposted my paste to gist it turned on ruby highlighting and turned everything orange :|)
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<apeiros>
jhass: ruby -c the paste and gist as .rb when syntax is ok, as .txt when not?
<alanjf>
Ox0dea: I'm nto so sure, as everything builds nad works as expected on this system. For example, NET::SSLeay for Perl built against the same openssl lib works flawlessly, as does everything else on the system that depends on it.
<jhass>
apeiros: if you can be bothered
<jhass>
:P
<apeiros>
hehehe
<apeiros>
ok
<apeiros>
much to do tonight. sadly the rest of the week-end is already occupied by other stuff :(
<apeiros>
but at the very least I'll release the current PRs
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<alanjf>
Does the strace there show anything useful? It shows that it finds libssl and libcryoto
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<alanjf>
strings '/pkg/all/ruby/2.2.2/lib/ruby/2.2.0/i686-linux/digest/sha1.so' | grep 'rb_Digest_SHA' shows that it IS defined there, so I'm really not sure what ruby's problem is here?!
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<jhass>
looks like many people solved it by straight recompiling ruby
<adaedra>
recompile ALL THE THINGS
<alanjf>
jhass: Thanks but I tried that 4 times already with no change.
<adaedra>
So hot outside -_-"
<alanjf>
I also build openssl-1.0.2c
<jhass>
are you on gcc 5.1 already?
<jhass>
might cause issues too
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<alanjf>
jhass: gcc-4.6.1
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<jhass>
mmh
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<alanjf>
jhass: Before this, I never had any trouble what so ever with anything that it successfully compiled before.
<alanjf>
And pretty much every source package I've thrown at it since 2011 has compiled without trouble (baring problems with the source code itself of course.)
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<alanjf>
jhass: I do have C_INCLUDE_PATH and CPLUS_INCLUDE_PATH defined, though just a couple entries that ruby wouldn't need most like, such as /usr/X11R7/include
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<alanjf>
I'll rebuild ruby with them unset.
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<jhass>
maybe some header files conflicts, maybe it's some similar thing like LD_LIBRARY_PATH pointing to strange things whatever, interesting as in that it could be caused by such things
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<Ox0dea>
alanjf: If you're gonna rebuild, why not try trunk?
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<alanjf>
jhass: Well that post seems to indicate that the problem arose from the leading ":" chatacter in C_INCLUDE_PATH, as it compiled and worked fine without it there. I also had the leading ":" in mine.
<Ox0dea>
Hash#fetch_values is pretty nice.
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<alanjf>
Ox0dea: Because it's too hot and cramped in there. IT's over 100F outside. :p
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<alanjf>
It's compiling. I'll be surprised if nuking my C_INCLUDE_PATH and CPLUS_INCLUDE_PATH vars will solve this. Those vars have been set like they are for at least 10 years. If it works I'll also try the latest git trunk.
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<dgarstang>
how on earth do I use the filters with the aws ruby sdk? filters = [{ name: "tag-key", values: ["enironment"] }] ?
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<alanjf>
jhass, Ox0dea: Still getting the same error.
<jhass>
meh, worth a shot
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<alanjf>
jhass: Indeed.
<dgarstang>
everything in ruby is so hard, not the least of which there are so few code examples available
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<jhass>
dgarstang: s/ruby/aws-sdk/
<jhass>
the docs of that suck indeed
<dgarstang>
^ maybe
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<dgarstang>
i mean... there's just NO examples
<dgarstang>
I'd get more matches on google for 'toothpaste aliens' than "tag-key" "tag-value" aws ruby
<dgarstang>
i woudn't have to use it all if I wasn't forced to by ohai
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<jhass>
maybe try github code search?
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<alanjf>
jhass, Ox0dea: Looks like I figured out a fix on my own. I was looking in src/ruby/2.2.2/ext/digest/sha1 and I noticed that there was no sha1.o, just sha1init.o and sha1ssl.o
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<alanjf>
jhass, Ox0dea: So I looked in my make logs (good thing I enabled VERBOSE) and ran the same gcc command that built sha1init.o and sha1ssl.o adjusted to use -o sha1.o -c sha1.c instead
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<jhass>
odd
<Ox0dea>
alanjf: You should build outside the source tree.
<jhass>
anyway, might save a few poor souls by adding that to one of the stack overflow posts
<alanjf>
Ten I copied the gcc line that produced sha1.so and added sha1.o to it, copied it to /pkg/all/ruby/2.2.2/lib/ruby/2.2.0/i686-linux/digest/sha1.so, and now `ruby -rdigest/sha1 -e '1'` runs without errors.
<alanjf>
Seems this is a problem with the Makefile for sha1 (and sha2 and md5)
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<alanjf>
Ox0dea: I know, but I was mimiking what the build process had done.
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<Ox0dea>
alanjf: Not what I meant; I meant that you should have invoked the initial build process from elsewhere.
<Ox0dea>
It's standard practice to avoid cluttering up the source tree with compilation output.
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<joneshf-laptop>
So I went through poodr, and noticed something very interesting. Metz talks about using hooks as a good design practice. This does seem like a good idea (at least as presented), is this used often in practice?
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<alanjf>
Ox0dea: back; yeah I know what you mean, nad yes that is better practice and it is what I tend to do and probably what I should have done with ruby here.
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<Ox0dea>
Using them as the core of a design is probably ill-advised, but hooks are good for sprinkling in a bit of dynamic behavior where mere inheritance won't do the trick.
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<alanjf>
shevy: Thanks for the link, I'll post a comment as you suggested.
<joneshf-laptop>
Ox0dea, thanks for the link, and makes sense
<shevy>
alanjf \o/
<shevy>
for the good of the other people
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<shevy>
and the good of the ruby
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<mistnim>
is it normal that pry takes a lot to load? Like 2 seconds for me?
<Ox0dea>
mistnim: Nah, that's about right. It does a lot.
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<diegoviola>
my coworker: "Do you write code with Vim?", me: "Yes"
<shevy>
yeah diegoviola - nobody is perfect
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<RickHull>
mistnim: i had require times go from 30s for one gem down to 1/2 sec after `gem clean`
<diegoviola>
shevy: what do you use?
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<diegoviola>
shevy: I never said I was perfect, don't ad hominem me :)
<jgt3>
anyone know how to make validate_presence_of work with strict validations?
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<jgt3>
it’s a method from the Shoulda gem
<shevy>
diegoviola nono that is not what I meant with perfect
<diegoviola>
shevy: oh, sorry, I misunderstood :)
<shevy>
diegoviola I meant that you use non-perfect software, hence you aren't perfect ;P
<diegoviola>
lol
<shevy>
I use a slightly modified bluefish 1.x variant; it's also far from perfect
<diegoviola>
Vim is perfect
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<shevy>
that vim extension thing is so ugly
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<diegoviola>
vim source code is definitely ugly
<shevy>
endif
<shevy>
if &filetype
<diegoviola>
but I thought the goal of neovim was to make vim's code not ugly
<shevy>
if a:Forward
<shevy>
endfunction
<diegoviola>
one of its goals
<shevy>
echohl
<jgt3>
diegoviola: No, the goal of neovim is mostly to work around Bram being a stick in the mud
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<jgt3>
(iirc)
<shevy>
did you want to use the word "mud"
<shevy>
or another 3-character word :)
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<jgt3>
shevy: I’m not sure what you do with sticks in your free time
<shevy>
hahaha
<mistnim>
rubysts use emacs?
<diegoviola>
jgt3: I'm not sure why Bram is so hard to deal with
<shevy>
mistnim matz is an emacs user
<jgt3>
diegoviola: I think I get it. He’s older and battle-weary
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<shevy>
people become generally less fun the older they get
<jgt3>
and in many respects, tech should move slower than it currently is
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<diegoviola>
jgt3: so is Linus and I don't see people complaining too much about him
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<jgt3>
look at the current JS ecosystem
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<jgt3>
everything is broken
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<jgt3>
but nobody cares
<jgt3>
because it’s “cool”
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<dorei>
jgt3: it's backward compatible broken :D
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<diegoviola>
lots of people complains about Linus because he can use strong language, but I don't see a problem about patches being submitted in the linux kernel
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<jgt3>
people complaining about Linus’ strong language should grow a pair
<miah>
my first job was all about netware ad foxpro
<alanjf>
Both were far better than VB at any rate.
<alanjf>
miah: I know your pain far too well.
<miah>
s/ad/and
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<miah>
im thankful i dont have to install the netware client on windows95 anymore
<alanjf>
Frightening.
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<alanjf>
Like a B horror film fro mthe 70s/80s but far more terrifying
<miah>
was always a 50/50 chance the netware client would render the system unbootable
<alanjf>
yeah
<miah>
all the bizarre windows errors and then... uninstalling it.. IMPOSSIBLE
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<alanjf>
I remember using netware client on 3.11/WFW still.
<miah>
yes
<miah>
we did a ton of boot off floppy netware clients
<alanjf>
yep
<miah>
most of our clients were small businesses like collections agencies or nursery
<miah>
learned TONS. thankful its history
<alanjf>
Back then I remember using it in schools a lot, like high school near me then.
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<alanjf>
And the local community college.
<atmosx>
miah: what was the netware client about?
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<alanjf>
And a couple small offices.
* atmosx
didn't have a computer in 1995, suddenly it feels like "young"
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<alanjf>
atmosx: At the time, having a network login system
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<atmosx>
alanjf: ah, like ldap?
<miah>
netware was a file/print/network thing in the days of 10base2 and dos
* apeiros
had a computer back in 1987, fond memories
<atmosx>
a centralize login scheme?
<alanjf>
Sorta useful for systems loike 3.x and 9x that didn't have a good login system with their own.
<miah>
yup
<alanjf>
miah: Yeah exactly
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<atmosx>
apeiros: how old where you, you're 1 year younger than IIRC.
<miah>
you could do ldapish kinda stuff, and scripts to run during login
<miah>
mount remote disk paths and printers
<apeiros>
atmosx: 5
<apeiros>
it wasn't *my* computer, mind you
<yorickpeterse>
ah, some sweet home
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<atmosx>
I had a couple of friends who had some computers in lates 80s, ATARI, Commodore 64 and an Armstrad (or something).
<atmosx>
apeiros: oh it figures.
<apeiros>
I remember my tries to understand wtf was going on with that device :D
<Sou|cutter>
apeiros: thank goodness for parents who were early computer adopters eh?
<alanjf>
heh
<miah>
i didnt have a computer until my teens, but i had lots of exposure to them outside of the home
<apeiros>
Sou|cutter: yupp. father worked in dtp, so it was even a mac.
<miah>
nice
<atmosx>
apeiros: my parents were basically keeping me away from anything digital because I was kinda attracted to these things, whiel they hated them and believed that they would harm me.
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<atmosx>
hence my first computer came in 1999 when I was 17, 1st year in univ.
<yorickpeterse>
amazing how cat milk, some treats and combing can turn a very grumpy cat into a very content cat
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<apeiros>
heh, my parents only limited the time we could use those things. and in retrospect, I think that was a good choice.
<yorickpeterse>
"Oh you're back? Well, you have 3 weeks of attention to catch up on"
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<atmosx>
apeiros: you were using them just to play game right? Or did you start programming at a younger age?
<Sou|cutter>
yorickpeterse: where do you get cat milk? are you milking cats?
<apeiros>
atmosx: I started using hypercard very early. also did my first steps with C. but C having only english manuals, and no internet back then, ended rather quickly.
<Sou|cutter>
atmosx: I was programming LogoWriter at age 6 :)
<atmosx>
Sou|cutter: and what do you program now, age...?
<yorickpeterse>
Sou|cutter: at the grocery store
<yorickpeterse>
it's milk for cats
<atmosx>
apeiros: cool
<jhass>
it sounds like you people all want to fill #ruby-offtopic with some life ;P
<yorickpeterse>
not milk _from_ cats
<miah>
logo was fun
<Sou|cutter>
atmosx: Still LogoWriter, and I'm 7 now
<apeiros>
jhass: aaahaha, yes, totally :D
<miah>
jhass: lol ya it was quiet in here
<atmosx>
jhass: anther # ...jesus we're not *that* many.
<Sou|cutter>
j/k. I'm in my early thirties
<atmosx>
Sou|cutter: programmer?
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<Sou|cutter>
I'm in #ruby right? :) (sorry for the OT btw)
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<atmosx>
Sou|cutter: I knew you were a Haskell programmer.
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<shevy>
he gave his soul away to monads
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<diegoviola>
"You use Linux? You use Vim to write code?" -- Why do I always get these type of questions from coworkers
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<apeiros>
diegoviola: because those questions allow you to spread insight and knowledge
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<Ox0dea>
diegoviola: What's in your @a?
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<Ox0dea>
A macro to quit WeeChat? That doesn't seem very useful.
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<atmosx>
lol
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<atmosx>
What might have been is an abstraction, Remaining a perpetual possibility, Only in a world of speculation.
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<mozzarella>
what's your uptime, bruh?
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<atmosx>
who's uptime?
<mozzarella>
you mean whose?
<atmosx>
yes, sorry
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<cj>
I'm uptime!
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<mozzarella>
I found your guy
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<dfockler>
What's up time?
<dfockler>
What's the best way to share a db connection between multiple files in a library?
<cj>
chillin' smokin' a bud
<dfockler>
cj: that is one way to do it I guess
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<RickHull>
don't bogart that db handle
<cj>
what kind of files are these? .rb files that have a libmysqlclient-type interface to the db?
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<dfockler>
.arbys files
<dfockler>
using the Sequel gem
<apeiros>
dfockler: pass it around
<apeiros>
whatever uses your library being responsible
<cj>
I'm not a ruby guy, but let me think... do these .arbys files share the same process execution scope?
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<dfockler>
apeiros: as a constant, or a method call? does it matter?
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<apeiros>
dfockler: as an argument to the constructor
<cj>
constants are not good for db connections. use the instance of the db access object to issue queries.
<apeiros>
dfockler: but given that you talk about "files in a library" instead of "classes in a library", I'd assume you're just starting to code ruby?
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<dfockler>
in a sense
<atmosx>
dfockler: you create an instead of a ConnectToDatabase class and you pass it around. See Sequel as already mentioned.
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<atmosx>
dfockler: okay, so you create the connection, require that file and you have access to that object.. you just pass the object around and that's about it.
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<toretore>
gotta inverse that control tho
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<apeiros>
the library user should control the connection
<dfockler>
atmosx: right now I have it as a class constant so like MyClass::DB, and then require the myclass.rb file
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<RickHull>
havenwood: postmodern: i'm having some issues with gems that I think is related to chruby
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<RickHull>
require times are super high for some combinations of gems and files. profiling, I see a lot of Gem::Specification#conflicts
<RickHull>
my setup is a little quirky, so i'm probably doing something "wrong"
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<RickHull>
my main user is using rubies installed to /opt/rubies, and this user does a lot of development, and likes to be able to install gems locally to homedir
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<RickHull>
this machine also supports other users that aren't doing development, but want to use the "app" i'm running. so that's why i'm even using chruby at system level
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<RickHull>
as such, my user has a GEM_HOME pointing to homedir, but GEM_PATH has one entry corresponding to GEM_HOME, and also another corresponding to /opt/rubies
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<RickHull>
I think the two GEM_PATH entries are related to the Specification#conflicts
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<RickHull>
If I login as root, just using system ruby and gems, none of this manifests
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<RickHull>
ah, found #chruby
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<Ox0dea>
adaedra: Come on, guy.
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<adaedra>
:3
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<pragmatism>
When the hell did the #rubylang channel become private?
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<RickHull>
about 2 weeks ago when #ruby-lang was merged into here
<RickHull>
assuming you mean #ruby-lang
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<Ox0dea>
pragmatism: "Grant me the serenity to accept the things I cannot change."
<pragmatism>
Ox0dea What?
<pragmatism>
RickHull Thanks.
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<pragmatism>
Glad the channels finally merged.
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<Ox0dea>
pragmatism: Then why has #ruby-lang's becoming private perturbed you so?
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<RickHull>
Ox0dea: If i had to guess, the perturbation became serenity upon learning of the merge
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<shevy>
pragmatism Ox0dea is the channel philosopher
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<shevy>
pragmatism the initial proposal to unify the two has happened by jhass here
<lucianosousa>
I can imagine that happens some strange problem about it
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<lucianosousa>
conflict with ruby in your system and rvm
<lucianosousa>
are you using linux, right?
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<lucianosousa>
can you check if you have a system ruby pack installed?
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<lucianosousa>
in your root it works fine because u do not have rvm there
<lucianosousa>
or chruby
<RickHull>
using linux and chruby
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<RickHull>
and root is using chruby's ruby
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<ruurd>
why? why oh why?
<RickHull>
on debian, no ruby packages installed
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<ruurd>
if it does not work on a regular user it's almost always a rights problem
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<lucianosousa>
it means, two chruby installations?
<jhass>
RickHull: btw you should tell where you crosspost and keep all sides updated about made suggestions
<RickHull>
chruby is installed once, to a system location. /usr/local/share or something
<RickHull>
ruby-install to install multiple rubies to system location
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<lucianosousa>
but you have another ruby installation in your user path
<shevy>
my brain is currently not working. if I have a file that could be called "foo.png" but also "foo.jpg", and I want to obtain only "foo", what to use?
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<lucianosousa>
- /home/rwh/.gem/ruby/2.1.3/bin
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<RickHull>
lucianosousa: that's just for gems i believe? i did have a ruby installed to homedir
<RickHull>
but removed it
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<jhass>
shevy: nested File.basename?
<adaedra>
shevy: a brain
<lucianosousa>
for gems I think is the gem path
<lucianosousa>
gems, sorry
<RickHull>
jhass: thx, will do
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<havenwood>
When there are more gems available it takes longer to do conflict resolution. Especially in RubyGems 2.2.2 since it doesn't have the 2.3.0 cache resolution speed fix: https://github.com/rubygems/rubygems/pull/842
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<hightower4>
Hey btw, we're a Ruby/Perl/Python shop and are looking for a couple Ruby (not Rails) developers to join the team. If interested, please msg me in private.
<shevy>
jhass aaah that was it indeed, thanks
<havenwood>
As mentioned in #chruby, update RubyGems to the latest version for security fixes as well as bug fixes.
<RickHull>
havenwood: yes, thanks, i will try the newer rubygems
<RickHull>
i'm still not convinced there isn't something wrong with my setup though
<lucianosousa>
you guys like chruby?
<havenwood>
lucianosousa: yup
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<lucianosousa>
I never had a chance to it :)
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<lucianosousa>
always with rvm
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<ruurd>
RickHull: don't run things as root if you do not absolutely need to.
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<RickHull>
ruurd: thanks for the tip :) but when installing things at the system level, you need to
<havenwood>
lucianosousa: RVM actually does support using chruby for switching Rubies.
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<RickHull>
havenwood: ok, by only using a single GEM_PATH, I get expected behavior
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<ruurd>
installing is a different thing, yes, some dependencies can need root rights but that is really different from running some application you made in ruby or whatever as root which is a bad plan
<RickHull>
ruurd: thanks, i'm not running my app as root
<ruurd>
Good.
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<havenwood>
RickHull: The more gems the more it slows down. Check the benchmark on the PR I linked.
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<ruurd>
What happens if you move things around in de GEM_PATH?
<RickHull>
havenwood: i suspect it's not just gem count
<RickHull>
but literally having multiple GEM_PATH entries
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<RickHull>
that generates all the conflicts
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<havenwood>
RickHull: Try some empty GEM_PATHS, I doubt you can reproduce.
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<ruurd>
Rick do you have a log or backtrace or console message I can look ar?
<ruurd>
r>t?
<havenwood>
RickHull: Though installing latest RubyGems is the best way to confirm. ;)
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<RickHull>
havenwood: what i'm getting at is, it might better to avoid the conflicts rather than resolve them
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<RickHull>
i think having to scan multiple paths, where the same gem (and various versions) are installed to both, generates the vast bulk of conflicts
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<RickHull>
that multiple GEM_PATH entries is a feature that comes with a cost, the cost of which is reduced in 2.2.2
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<shevy>
there we go: 2.4.8 is now installed here \o/
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<centrx>
I knew you could do it!
<shevy>
yeah
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<shevy>
I just do "urla rubygems" and it opens the link to rubygems
<shevy>
then I fetch the URL, and do "ue rubygems" and it updates with said link
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<centrx>
hmm, so much magic it sounds like rails
<Ox0dea>
Does main not being a Module make it impossible to "globally refine" const_missing?
<shevy>
then "ecompile rubygems" and it installs it
<shevy>
centrx oh it's almost perfect! that I have to manually fetch the URL is bad, I have to write something that checks for updates in a reliable way
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<Ox0dea>
method_missing can be refined on Object to do one's black magic in a box, but what about const_missing?