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<Nilium>
So, I found an interesting little thing in RubyMotion
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<Nilium>
Well, two things. One is that it does tail call optimization, which is pretty cool.
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<Nilium>
The other is that one of its executables, when run, loads a ten-hour nyancat video.
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<mugiwara>
Um, hello folks I am new to Ruby
<mugiwara>
and IRC, admittedly
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<Blizzy>
hello, mugiwara. :P
<mugiwara>
Hi, thanks :) so many people here but it's very quiet..
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<Blizzy>
lol, true.
<Blizzy>
and no problem. :P
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<mugiwara>
always quiet here?
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<mugiwara>
I want to learn Ruby while working on a small project of mine -- it will use the APIs of various sites like Twitter and YouTube to list follower/tweet count and profile info of accounts. Seems like a decent project. Will need to learn all of the basics of Ruby and then how to use OAuth due to the API requirements. Your thoughts, everyone?
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<havenwood>
mugiwara: do eet!
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<havenwood>
mugiwara: cut a gem
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<mugiwara>
I think Ruby will be a good language for this project. I know Python already btw. Also, I want to turn this pet project into a web app where a logged in user could point to specific users. I've heard great things about Rails but that seems like a long-term goal. Have to learn Ruby first. I'll get crackin.
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<benzrf>
mugiwara: ruby is pretty nice
<benzrf>
it's probably my favorite dynamically-typed language
<havenwood>
mugiwara: You might take a look at Sinatra too.
<benzrf>
mugiwara: if you know flask, sinatra is basically flask but ruby
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<mugiwara>
I have done a lot of "pre-learning" and learned a lot about NOT trying to over-optimize or worry about scale. It's best to just create an MVP for your project and get busy. Worry about that crap later when it's necessary
<mugiwara>
so I think I have the right mindset going into this, just have to apply what I learn (as I learn it)
<benzrf>
mugiwara: do you know any langs besides py
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<mugiwara>
I've done plenty of PHP programming back in the day and have built websites
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<benzrf>
ewwww
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<mugiwara>
and basic java and c++ in classes a long time ago
<benzrf>
mugiwara: ruby has a fair amt in common with python
<mugiwara>
I'm not a great programmer but I know what I'm doin I suppose
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<benzrf>
mugiwara: the most major difference in everyday usage is probably the ubiquity of higher order functions
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<benzrf>
mugiwara: do you know anything abt those?
<mugiwara>
im terrible with buzzwords
<mugiwara>
like generics and stuff
<mugiwara>
no idea, I just learn and program lol
<mugiwara>
I'm going to work through the free edition of learn ruby the hard way tonight
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<mugiwara>
do any of you use rbenv or rvm? or should I just use brew install ruby (my machine has brew installed from python)
<mugiwara>
managing multiple installs per-project seems nice, I do that with python using virtualenv
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<havenwood>
mugiwara: Yeah, the brew package is nice. You can switch easily between system Ruby and the brew package with chruby. Here's an example of a full setup: https://gist.github.com/havenwood/ba31f67c1d89ac236400
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<mugiwara>
Ah, I'm already setup actually ;P
<havenwood>
mugiwara: RVM has lots of features, including installing and switching Rubies. For a lighter option I
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<havenwood>
I'd recommend chruby over rbenv.
<havenwood>
mugiwara: ah, okay :)
<mugiwara>
seems to be working just fine
<mugiwara>
i have rvm installed but havent worked with it yet. I'm doing learn ruby the hard way tutorial series.
<havenwood>
mugiwara: now that they've "poured a bottle", the brew package even installs quickly ;)
<mugiwara>
I've got 2.1.4 installed and working great. Already done with exercise 2, puts and comments (#). Simple stuff so far. Early lessons should be a breeze
<havenwood>
mugiwara: #rvm is helpful, or there's #chruby if you went that direction
<havenwood>
mugiwara: nice
<mugiwara>
my name keeps appearing in your messages. Are you privat emessaging me? And I'm spamming the general chat? oops lol. I'm new to IRC
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<benzrf>
mugiwara: no, that's how you normally address ppl in irc
<mugiwara>
benzrf: I'm an idiot :) thanks
<benzrf>
mugiwara: most clients support tab completion of nicks, and most will insert a colon if you tab complete at the beginning of a line
<mugiwara>
benzrf: oooh yes it worked as you said. I hit tab to autocomp
<mugiwara>
I'm using LimeChat on OSX
<benzrf>
mugiwara: depending on your client, pms will either show up in another tab/window/section, or they may appear as prefixed regular messages
<mugiwara>
nice, it worked
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<mark06>
how can I tell inifile to ignore parsing errors?
<mark06>
there's one line without equal sign, just the option name
<mark06>
I want it to ignore that
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<kevr>
herro
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<barhum2013>
Hi, I messed up my rvm installation. When I run rvm install 1.9.3 I get: Error running './configure --prefix=/Users/admin/.rvm/rubies/ruby-1.9.3-p551 --with-opt-dir=/usr/local/opt/libyaml:/usr/local/opt/readline:/usr/local/opt/libksba:/usr/local/opt/openssl --without-tcl --without-tk --disable-install-doc --enable-shared',
<barhum2013>
showing last 15 lines of /Users/admin/.rvm/log/1416114278_ruby-1.9.3-p551/configure.log
<parabolize>
barhum2013: I undubtedly can't help you but I know that's probably not enough info for anyone to help you. That's just the call to configure and the flags past to it.
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<parabolize>
s/past/passed
<barhum2013>
parabolize: I am thinking I have to reinstall xcode, since I upgraded to yosemite
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<kevr>
i'm using rails/haml to build an application but when i add %br or <br> to strings it won't line break
<kevr>
in haml
<kevr>
what do?
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<FenixFyreX>
Does anyone know about the C Extension, and the struct "rb_printf_buffer"? I'm struggling to find it's definition, and I've grep'd three entire source directories (192, 193, 210) of Ruby
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<FenixFyreX>
whitequark.org throws an error when I search for it, and the only four results I've gotten by grep'ing are use cases, not definitions
<FenixFyreX>
that was easy, thanks much. I can't believe I didn't think of using github...
<FenixFyreX>
thanks godd2
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<drakezhard>
Who says praying to godd2 never works XD
<FenixFyreX>
haha
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<_saint>
I'm not having much luck google searching; is there a way in pure ruby to correlate a partition to where its mounted?
<_saint>
shelling out and parsing df feels...gross
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<Hanmac>
_saint: hm i dont think so, mostly because a partition might be mounted at different places at once
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<_saint>
Hanmac: Hm..I suppose that makes sense
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<Hanmac>
there is Pathname#mountpoint? but i dont think that might help you
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<_saint>
unfortunately not quite what I was looking for. I ended up just writing a method that shells out, parses df, and returns a hash of the stuff I want
<_saint>
it's ugly, but meh. the code I'm writing is tom foolery anyways, nothing serious
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<godd2>
_saint the lower the level you go, the less Ruby can offer a helping hand. Its the other direction in which Ruby shines
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<_saint>
godd2: true words. I should do some investigation into writing gems and maybe see if I can make something cool out of this need of mine
<_saint>
or want, rather
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<jrc>
Does anyone know how to fix this: cannot load such file -- oauth (LoadError)
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<godd2>
jrc do you have the oauth gem installed?
<jrc>
no and I'm not sure how to although I have rvm
<jrc>
"rvm install oauth" or something?
<godd2>
"gem install oauth" is how you install gems
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<jrc>
wow i was close. ok ty
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<godd2>
I have a feeling this is for a rails app, so Ill offer you the advice that the #rubyonrails channel is more equipped to help with railsy stuff
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<unshadow>
I'm trying to test if an SSL server supports Client re-negotiation, how would I implement that in ruby ?
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<unshadow>
much like the 'R' option in openssl s_client
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<sandelius>
I've never used jruby. We have a big app (rails) that becoming a bit slow. Would JRuby help us out? We're using Puma as well.
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<sandelius>
We do not need any java libraries though.
<godd2>
sandelius the answer is that it's complicated. JRuby is faster than MRI for a lot of things, but dependencies become an issue and stuff might start to break in weird ways. Id say if your Rails app is slow, identify the slowest parts and aim to fix them at a design level.
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<sandelius>
godd2 we cache almost everything and have identified slow queries etc. A few at the office want to switch over to Node but I'm not sure it's worth it. Would we really want to write only Javascript all day long? heck no!
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<godd2>
well fork your main repo and try to run the app in a jruby environment.
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<sandelius>
godd2 yeah I'll need to do that. To bad that jruby start up is so slooooow. we have many tests :)
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<cajone>
sandelius: your comment suggests that at some point your rails app was much faster than it is today, if the only thing that has really changed between these two events is the amount of data you are storing, then I can't see how changing the app launcher is going to let you scale much further, better as godd2 mentioned to hunt down the bottleneck. As for jruby this page might help with the start up cost https://github.com/jruby/j
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<sandelius>
cajone no the amount of load time have increased daramatically. The data size is udner control.
<godd2>
load of what? the app itself?
<sandelius>
number of visitors
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<cajone>
sandelius: what are you using at the front end apache, nginx?
<shevy>
bunnies
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<sandelius>
nginx
<sandelius>
+ puma
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<cajone>
yep
<sandelius>
will freezing objects save us some? or is there no performance gain in doing that?
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<cajone>
sandelius: I don't know, sorry
<cajone>
sandelius: did you check the number of workers and threads in your puma setup?
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<unshadow>
I'm trying to match something that has "()" in it, and using "\" to escape it wont seem to help: key_size = "(2048 bit)", key_size.match(/\((.*?)/\)).to_a[1]
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<unshadow>
nm.... my stupid mistake the last "/" is misplaced...
<shevy>
see
<shevy>
ruby is so simple that people can figure their problems out on their own!
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<unshadow>
haha
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<unshadow>
How can I initiate an TLS renegotiation using OpenSSL::SSL::SSLSocket ? (similar to openssl's s_client 'R' option)
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<shevy>
with ruby's awful documentation in regards to openssl I don't think there is an easy way - perhaps if you know the underlying C API; I remember a japanese core dev guy added some methods to readline when I asked something a few years ago unshadow
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<Jiye>
hello
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<wasamasa>
these guys are the best
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<unshadow>
shevy: yeha... the OpenSSL wrapper is badly documented and is not complete, only now they added the ssl.options method to configure NO_OP, I'll try to talk the Core mailing list.
<apeiros>
wald0: open the link for the full output
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<apeiros>
as for *args - there are plenty of core methods using this feature. take e.g. attr_reader. you can do `attr_reader :foo1, :foo2, :foo3, …` - it takes an arbitrary number of arguments.
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<gjoooca>
Hi, im trying to run rails server but im getting a syntax error (i think its because it is pointing to ruby1.8). i have installed the latest ruby, but how do i point it to the newest version?
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<corehook>
re dudes
* wald0
thinks that eval.io should indent the one-liners codes automatically =_=
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<corehook>
how in rubymine select all eq selected text
<corehook>
like cmd+d in sublie
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<apeiros>
gjoooca: generally gems point to the ruby version they've been installed with. but it depends completely on how you set your stuff up.
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<shevy>
wald0 for instance if you wish to pass blocks from one method to another one
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<gjoooca>
apeiros: i see. is there a way to tell?
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<shevy>
wald0 tell you what, implement your flexible GUI wrapper through Window.new Button.new etc... and try to make it as flexible as possible, including this syntax; Button.new { colour 'green' } or similar; once you do, you will quickly need all those things that seem to be advanced to you right now
<shevy>
gjoooca does "gem env" show?
<shevy>
I guess you are on a debian base
<shevy>
they modify gem to default to some /var/lib directory
<shevy>
I have no way how to easily change that to a saner prefix
<shevy>
on my system it is:
<shevy>
- GEM PATHS:
<shevy>
- /usr/lib/ruby/gems/2.1.0
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<gjoooca>
shevy: ah yes, under shell path i see /opt/ruby1.8/bin
<shevy>
ack
<shevy>
what an unusual path
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<gjoooca>
hm so i need to point it to the current version instead right?
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<shevy>
where are your "ruby" binaries actually?
<shevy>
one is at /opt/ruby1.8/bin/ruby I assume
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<gjoooca>
the newest version is in /usr/bin/ruby
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<shevy>
ok so you have at least two?
<shevy>
how many different instances of "gem" do you have
<gjoooca>
yep
<gjoooca>
shevy: hm im not quite sure how to check that
<shevy>
well *gem*
<shevy>
ls *gem* ? ;)
<shevy>
locate gem
<gjoooca>
oh haha
<wald0>
shevy: yeah, i should start today! after to eat! (omg i sound like the procrastinator that im), im just finishing to review the ruby quickreferences & tutorials again... but as you see, is not easy to understand when you have not clear examples or you found "the problem yourself"
<shevy>
if all else fail: find / -name gem
<shevy>
and perhaps updatedb before the locate above
<shevy>
wald0 yeah; the & syntax confused me a lot
<shevy>
until I had to use it in one of my projects
<shevy>
now it is ok
<shevy>
I am of the monkey learning type
<shevy>
monkey see, monkey do
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<gjoooca>
well under ~/.gem there are directories for ruby1.8 and ruby2.1
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<wald0>
shevy: it sounds like to me like pointer referencing in C, it is more or less the same thing, right?
<shevy>
naaaaah
<shevy>
pointers are more difficult
<shevy>
& simply is referring to the block
<wald0>
more difficult? really ?? i found i tmuch more easier and im not a c programmer lol
<shevy>
lol
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<wald0>
the same GUI in C in much much more easy to understand than when linked on ruby
<shevy>
well ruby has more syntax possibilities
<shevy>
C is uniform
<apeiros>
wald0: I guess "I'm not a C programmer" is the reason you thought pointers were easier :-p
<wald0>
there's only 2 things about pointers: *p is what it points (value, indirection), and &p is the address or "where" it is, to use for reference a thing (not his value)
<wald0>
iirc :)
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<wald0>
apeiros: maybe, but you cannot do much morphosis on c pointers, they has simple meanings, 2 different ways to use them (in short)
<shevy>
well
<shevy>
the & in C is used and the & in ruby is used
<apeiros>
wald0: I completely agree. In theory, pointers sound like the simplest thing on earth. but overwhelming evidence shows us that many coders struggle hard with it :D
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<wald0>
apeiros: what i dont know is if that is because they simply dont understood it correctly or because is really hard in real world...
<wald0>
or more probably: their code is a bunch of crappy spagguetti
<wald0>
mmh, everytime i look at the C version i ask myself if would be not simply better (easier) to just do my gui's in c lol
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<apeiros>
wald0: if you insist on using native stuff, that's probably indeed better
<apeiros>
there's no point in coding C in ruby.
<wald0>
but you see, in ruby you can do things much faster with all the features in a shot, most of things that you want to do in c is like... how hell i could do that?
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<wald0>
apeiros: the point is that i want to use these GUI in ruby coding :)
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<wald0>
i want to code ruby gui apps, using this type of gui
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<shevy>
wald0 it's not good to make 1:1 translations; this is how ncurses was written and then removed
<shevy>
in ruby
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<shevy>
wald0 I find the shoes API ugly, too many do/ends now. But one block towards Button.new {} is not bad or?
<apeiros>
wald0: you can write your GUI in native C and hook against it
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<apeiros>
alternatively you can embed ruby in your native C app
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<shevy>
wald0 in native ruby you can simplify a lot of stuff:
<shevy>
data I assume will become an implicited @ivar
<shevy>
const char is probably the input string you wish the label to have or something
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<shevy>
things like Evas_Object *win; and Evas_Object *list don't have to be used
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<shevy>
what is that? ELM_MAIN() a function macro?
<wald0>
apeiros: how "hook against it" ? i think that this is a part of ruby that i have not checked yet
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<apeiros>
wald0: the same way you build a native gem
<apeiros>
see README.EXT in ruby source
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<wald0>
shevy: not sure about your blocks suggest (idk at all :)), so for example i would like to have a "linear code" (process linearly), so in one moment I want to add a button with a text, but in another moment on the code i want to calculate something in ruby and update the text of that button (i should be probably out of htat block)
<shevy>
wald0 yes
<shevy>
wald0 more than one way - but all ways eventually do the same thing
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<wald0>
yes shevy, a function macro: #define ELM_MAIN() int main(int argc, char **argv) { int ret; _elm_startup_time = ecore_time_unix_get(); elm_init(argc, argv); ret = elm_main(argc, argv); elm_shutdown(); return ret; } /**< macro to be used after the elm_main() function */
<wald0>
shevy: all ways do the same thing... if you dont feel "blocked" because you cannot do something because of hte limitation (workflow limitation) of the api/framework/lib/code
<shevy>
well then extend the code!
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* wald0
uses shevy hands
<shevy>
man I did not wash them
* wald0
go to search his "bad" keyboard..
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<mark06>
what's an open-ended depencency?
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<wald0>
idk how i ended on the page of rubymine but it looks pretty cool
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<apeiros>
mark06: probably something like ">= version"
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<wald0>
what is the best pre-configured editor for vim ?
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<pontiki>
waat??
<pontiki>
vim *is* an editor
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<shevy>
vim is a drug for the brain
<pontiki>
that's soma
<pontiki>
but emacs has a mode for that
<shevy>
I guess wald0 wanted to write something else :-)
<pontiki>
a meta-editor
<wald0>
oops, i meant ruby, not vim :)
<pontiki>
are you trying to start a flame war?
<wald0>
yeah, that vim drug make me thinking about vim instead of what i wanted to say lol
<shevy>
wald0 well - the brain is the best way to write ruby
<pontiki>
asking an irc channel what the "best editor" is.... goodness me
<wald0>
pontiki: of course no, my favorite editor is vim, but im just checking which other editors exists for ruby, i mean, features for ruby
<pontiki>
all of them do
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<pontiki>
except maybe notepad.exe
<shevy>
wald0 I still use bluefish 1.0.7 - not because it is the best but because it does not get in my way and is more usable than geany; I have not used sublime seriously
<shevy>
notepad.exe is great!
<wald0>
the only problem (or good thing) of vim is that it is not pre-configured by default, so you will lack all the features unless you know them lol
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<pontiki>
but it doesn't have any features
<shevy>
that's not a good thing wald0 - I gave up on vim because I was tired of enabling or disabling crap
<shevy>
yeah, notepad.exe is just more a base
<shevy>
not really good
<shevy>
wald0 do you remember old winamp?
<wald0>
shevy: since you have it good configured you should be happy, but having it good configured is a lot of time wasting
<shevy>
nono
<wald0>
yeah, old winamp!
<shevy>
wald0 I did not have it good configured at all
<pontiki>
not even well configured
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<shevy>
I just copy pasted him without thinking!
<mark06>
anyone uses ruby on windows? isn't gem's bin added to windows path?
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<shevy>
wald0 I loved the snappy widgets of winamp
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<shevy>
if only all GUIs could be as modular like that, and all GUI components interchanged with one another freely
<pontiki>
mark06: not by default, i think? i think rubyinstaller makes a start-up command that includes the libraries, though
<pontiki>
i don't use windows, but i seem to recall that
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<shevy>
hey
<shevy>
that looksl ike winamp
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<shevy>
but where is ruby there?
<shevy>
looks like C++ widgets
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<mugiwara>
I was doing learn ruby the hard way, and learned gets.chomp which I can use to get user input
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<wald0>
shevy: it is a winamp skin ported to ruby + efl + xmms2 application
<wald0>
shevy: so the full gui is ruby + efl
<wald0>
well, efl
<shevy>
mugiwara excellent. did you try it yourself in a .rb file yet?
<mugiwara>
but then eventually we got to lesson 15 which has me open a file. We use $stdin.gets.chomp instead of gets.chomp, and the file breaks if don't include the $stdin. What changed??
<shevy>
both must work mugiwara
<mugiwara>
oh yes, I am using touch ex#.rb to create the file, then I open with Sublime Text 3 to work through it
<mugiwara>
I have some experience programming so I'm blowing through it
<wald0>
shevy: was just an example of: shevy> if only all GUIs could be as modular like that, and all GUI components interchanged with one another freely
<shevy>
wald0 cool
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<mugiwara>
ex15.rb:11:in `initialize': No such file or directory @ rb_sysopen - This is stuff I typed into a file. (Errno::ENOENT)
<mugiwara>
from ex15.rb:11:in `open'
<mugiwara>
from ex15.rb:11:in `<main>'
<shevy>
mugiwara nope
<shevy>
it will work
<mugiwara>
Thats the error I get when I remove $stdin from "$stdin.gets.chomp"
<shevy>
but the weird thing is
<shevy>
you must use a method called initialize()
<shevy>
so the code you said on IRC is not the code you run ;)
<mark06>
how to install a ruby gem globally in windows?
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<markit>
hi, usually there are regexp expert here, and I will never be... I've a string like 'cls-2a', but the prefix is optional, also the suffix, I would need to extract the numerical part starting from the end until reached the beginning of the string or a non numerical character
<markit>
in this case, only '2'
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<Mateon1>
(?:\w+-)?(\d)\w
<mugiwara>
shevy: I think I figured out the problem
<markit>
Mateon1: or clsl-10 -> 10, or clsl-10whatever -> 10
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<apeiros>
want to deliver an actually proper description?
<shevy>
haha :D
<apeiros>
steps in solving your problem: 1. understand your problem, 2. be able to phrase it
<apeiros>
step 3 almost comes free after that
<shevy>
nono, keep on changing the requirement every time they get closer markit!
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<jhass>
I think 1 and 2 are the same step in fact
<markit>
apeiros: I've a random prefix, then a separator NOT numerical, then a number (the one I want to extract) then an optional suffix not numerical (tail)
<apeiros>
jhass: I think 2 can help with 1
<shevy>
yay! random prefix! I must remember that
<markit>
shevy: lol, sorry
<jhass>
I'd go as far and make it a requirement to 1
<apeiros>
jhass: but for me, I reach step 1 almost always a lot earlier than step 2
<shevy>
markit don't worry, now jhass and apeiros are discussing other things :-)
<shevy>
markit do you know rubular.com?
<shevy>
I use it to build more regexes
<apeiros>
markit: well, adjust the quantifiers in Mateon1's regex to suit your needs
<apeiros>
the base expression is correct
<jhass>
you probably can come up with a well behaving solution if you're at 1, but I wouldn't claim I've truely understood something until I can explain it to somebody else
<markit>
apeiros: I've tied in robular putting "(?:\w+-)?(\d)\w" and it selects my whole string
<shevy>
who is king robular
<apeiros>
maybe replace the \w for the prefix with [^-], then it allows for anything in the prefix
<markit>
marahin: ups, sorry, misused it
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<apeiros>
markit: yes. that's why he has a capturing group there
<jhass>
markit: there's a "make permalink" button. Allows to share your stuff
<Mateon1>
(?:\w+-)?(\d+)\w* This is all you need
<shevy>
you folks are trading with regex solutions here!
<apeiros>
jhass: I can solve lots of problems without ever trying to phrase them. and trying to phrase them often costs me a lot of additional effort. phrasing for me is similar as to "writing it on paper". language is an abstraction from my actual thought.
<apeiros>
Mateon1: I hold my breath for \w being insufficient ;-)
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<apeiros>
markit: capturing. group. google it.
<jhass>
I agree that you don't need to be able to phrase it to sufficentially solve it, I just wouldn't call that having fully understood it yet
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<apeiros>
or just use your eyes and take a look at that "Match groups" box below
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<apeiros>
jhass: touche. difficult to infer understanding from a correct solution.
<shevy>
markit well then simply extend your second () match group
<shevy>
oh you said 2
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<apeiros>
but the "got it right" ratio is indicative of me indeed usually understanding the problem :)
<shevy>
you already got that!
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<jhass>
markit: when I said "as many examles as possible" I meant it
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<shevy>
examles
<shevy>
:)
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<shevy>
markit have you solved it finally?
<arup_r>
shevy: Take some rest Man!!
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<shevy>
I am a ferret under a sugar rush
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<markit>
shevy: maybe, I'm going to consider only the simple case with just one number there and hope to make it better in the future. Something like "cls-2b".gsub(/\d+/){|x|x.to_i+1} to increment the numerical part (that is what I really need)
<apeiros>
oh glory
<shevy>
hehehe
<markit>
just hoping not having another number in the prefix
<apeiros>
"let me describe something which is NOT my problem"
<markit>
apeiros: thanks for your patience and help, sorry if I was a pain
<apeiros>
markit: s'ok. but learn from it.
<jhass>
apeiros: didn't you listen? He's in a hurry, he can't learn
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<apeiros>
jhass: nope. I didn't listen. Didn't you listen? I walked away ;-)
<jhass>
nope. I di... wait, I shouldn't start that loop
<markit>
apeiros: I've a book to read about regexp, but I learn something, then I don't need regexp for a long time, then I urgently need a solution with them and I've almost forgot anything, and I have to start over... depressing
<apeiros>
markit: I meant more about how to ask questions
<apeiros>
or to present your problem
<apeiros>
knowing how to get help is much more valuable than any individual technology knowledge
<shevy>
time pressure makes markit dumber
<markit>
apeiros: mmm what's wrong with my initial description? "I've a string like 'cls-2a', but the prefix is optional, also the suffix, I would need to extract the numerical part starting from the end until reached the beginning of the string or a non numerical character"
<apeiros>
markit: read the backlog and check for all your additions to that description
<apeiros>
and of course to your ultimate reveal of "extract" not actually being what you wanted to do.
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<shevy>
markit apeiros disapproves :(
<markit>
apeiros: reading backlog seems fine to me, and about the "extract" not being what I wanted, is just because I never imagined that you could do an methematical operation with a regex, with extract I would have solved my problem in a different way so extract was all I needed
<markit>
apeiros: I don't want to fight over this, but usually (and happens to me too), the helper does not read the request carefully :)
<markit>
apeiros: in any case, you have been so helpful in the past that I just have to thank you once more :)
<apeiros>
markit: I don't fight. I tell you you were going about this flat out wrong. I don't see a reason to discuss that point :)
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<apeiros>
I tell you why I think so. and you can take it and improve or think "no, no, everything I did was fine". up to you.
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<shevy>
markit tell apeiros that he is wrong :)))
<markit>
apeiros: unfortunately I really have no time right now, what I say is that I don't find fault in my exposition of the problem, not because I think I'm perfect, but because my fist statement has all the needed info OMHO
<apeiros>
shevy: I thought that's your job :-p
<shevy>
naaaah
<shevy>
I usually don't think a lot on IRC
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<markit>
if you can point me on the exact problem, I will be happy, if you say "find yourself in the backlog" is pointless
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<apeiros>
markit: you're entitled to your personal echo-chamber. just don't be surprised if people don't always put up with it.
<shevy>
hey
<shevy>
all we had to do was call Hanmac
<markit>
shevy: lol
<shevy>
the next time we'll do this as the first solution!
<Hanmac>
shevy what do you think i am? a Proc object? ;D
<shevy>
usually Hanmac's code is unreadable to everyone but himself
<shevy>
and he watches strange cartoon so he is very suspicious
<centrx>
if he exists
<markit>
apeiros: in any case, I'll have a look at XyProblem link, seems interesting (and being one that provides helps himself, I understand the matter better than you think I do ;P)
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<benzrf>
'xy problem' is one of those terms that makes you say "OH OTHER PPL HAVE NOTICED THAT AND GIVEN A NAME"
<benzrf>
"yay"
<apeiros>
benzrf: yupp
<benzrf>
like tvtropes
<benzrf>
im sure it has been said before, but c2 is like the tvtropes of computering
<jhass>
I know why I avoid using globals at all as long as possible...
<wasamasa>
eval-in__: bad bot
<rpag_>
most global variables in ruby are horrible perlisms
<mark06>
jhass: how am I supposed to pass any parameter in a 'require 'easyoptions''?
<mark06>
jhass: ah, create objects.... non-go
<apeiros>
you're not supposed to pass params in a require
* mark06
stuck
<mark06>
apeiros: correct
<jhass>
well, I guess I think easyoptions is a crappy idea
<jhass>
the reading from comments part that is
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<jhass>
and parsing ARGV on require is not much better
<mark06>
I think this wrapper is crappier
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<rpag_>
generating code based off comments for option parsing, yeah, i'd prefer to write ruby
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<mark06>
rpag_: then you should not use easyoptions
<jhass>
mark06: rbenv fully works with that kind of wrappers
<jhass>
bundler lets you generates such wrappers
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<rpag_>
i don't use easyoptions
<jhass>
it's a common pratice, you should be able to deal with it
<mark06>
rpag_: and you should not
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<mark06>
jhass: you should tell me more about it
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<jhass>
why?
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<apeiros>
somebody rediscovering that english is not a programming language?
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<wald0>
shevy: apeiros, mmmh, what do you think about these 2 different ways to write on this supposed gui wrapper ?
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* wald0
brainstorming structure
<wald0>
button_ok = add_button(win, icon: "OK", text: "Continue") # first param should be always the target, other args are optional
<wald0>
# or better like this?
<wald0>
win.button = button_add(icon: "OK", text: "Continue") # on this way we don't need to tell the target because we are inserting it ON the target in a Object-Oriented fashion
<apeiros>
wald0: I think I don't want to reinvent what shoes already does.
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<wald0>
but /me will :)
<apeiros>
that's fine. have fun.
<wald0>
well, i would like to not needed to but..
<jhass>
window.add_button
<wald0>
unfortunately shoes is not an option
<shevy>
wald0 well that is a hash yes?
<wald0>
shevy: idk :)
<jhass>
window.draw do hbox do cell do button "Cancel" end cell do button "Ok" end end end
<rpag_>
what toolkit does shoes use?
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* apeiros
whispers "xml"
* apeiros
runs away laughing maniacally
* wald0
runs after apeiros
<shevy>
lol
* jhass
installs glade on all machines
<mark06>
solution for my problem is so simple, hahhahahaha
<shevy>
yeah that's what you get with lots of cascading do/ends
<mark06>
still no one was able to figure it out haha
<shevy>
ruby cgi
<apeiros>
tbh, I'm pondering using xml for widgets in a webframework
<wald0>
shevy: what? xml ? :]
<shevy>
html { head { body { }} }
<jhass>
mark06: gonna share it?
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<wald0>
shevy: this syntax looks really simple to use: http://code-monkey.de/pages/ruby-efl , which is hte old (ruby) efl where it is made that audio-player that i showed you, but im unable to compile it :/
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<shevy>
it does not compile?
<shevy>
cool
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<shevy>
a ruby guy who is on #crux but not on #ruby
<rpag_>
it's from 2004, i'm not surprised it doesn't compile
<shevy>
haha
<shevy>
before benzrf was born
<shevy>
wald0 it is ANCIENT, 10 years is like a century
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<wald0>
shevy: that is :)
<wald0>
but the syntax looks really good
<wald0>
instead of use FFI this guy used its own C wrapper for ruby
<benzrf>
shevy i am not 10
<benzrf>
cripes
<shevy>
dunno about the syntax
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<shevy>
benzrf well a few years older
<pipework>
wald0: It can look pretty good all day, but it's still ten years old and ruby has changed a lot. Feel free to try to make it work on your own, but any ruby that ran on is definitely EOL.
<rpag_>
ironruby, macruby, rubymotion, probably the best you'll get for GUI development & ruby. ironruby¯uby are dead, so that leaves rubymotion
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<pipework>
You can also use gtk and QT with ruby.
<wald0>
yes, winamp skin in that ruby GUI wrapper
<shevy>
I think I could do the rectangular buttons and the slider
<pipework>
And ostensibly wekit.
<shevy>
the side-popups ... no idea how to do that
<pipework>
webkit
<rpag_>
pipework, yeah you can, but distribution isn't that easy
<pipework>
rpag_: So?
<godd2>
I use gosu exclusively for ruby gui development
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<pipework>
Package it all together if you want. Ship that large package!
<rpag_>
pipework, so it never takes off
<shevy>
godd2 did you write a game in it yet?
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<wald0>
shevy: nah, web UIs are crap, well, the WEB technology is crap, if GUIs are owned is only because the single-interest/purpose of enterprises is the damn publicity, "I want a web to show my enterprise" and a payment system for sell
<pipework>
rpag_: Not really. I mean, sure as a project people will use in their projects? Probably not, but for some determined individuals or companies, yes
<rpag_>
enlightment is/was a popular X11 window manager
<godd2>
"lawnmowerman pushes" heeh puns
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<wald0>
shevy: well, there's 2 ports of efl for ruby... the last one is from 2007 and is very good but it doesnt compile (very clear syntax, ala ruby fashion)
<pipework>
wald0: You do know that there's some pretty alright JVM libraries for all kinds of things, one of which is GUI development.
<wald0>
the first one wokrs perfectly, but uses FFI which is complex to understand/use, so i want to mke a simpler wrapper
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<wald0>
rpag_: yeah, e17 was released the 21 of december of 2012... they waited for this date but the world didn't ended
<wald0>
so they was forced to
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<wald0>
pipework: JVM = java ? pleasae dont let me kill myself twice...
<wald0>
ok let's say on this way: i want to make GUI apps that works on a 300 Mhz cpu machine
<benzrf>
wald0: ruby probably wont run on that
<benzrf>
ok maybe it will
<benzrf>
idk
<pipework>
wald0: You probably are lacking a lot of information about the JVM, but your apprehension is entertaining. :D
<benzrf>
it is not... performant
<wald0>
benzrf: it will if i use this gui binding, since it usees the C gui libraries directly which are very optimized :)
<pipework>
You can use mruby if you want.
<wald0>
so i want to use ruby just to make the overall code/process more easy to write than just use them in c
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<rpag_>
wald0, the JVM stands for Java Virtual Machine, it is the virtual machine for Java but there are many languages who target the JVM these days. Clojure, Scala, to name two popular ones.
<pipework>
wald0: Lua is also not the worst candidate for GUI development.
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<wald0>
pipework: just googled it, jvm showed me a java keyword, so well...
<rpag_>
oh, JRuby of course
<wald0>
pipework: my 300 Mhz machine has 128 MB of ram
<pipework>
wald0: Sounds like you don't like thinking much. :)
<wald0>
can java run on 128 MB of ram ?
<pipework>
rpag_: It's actually evolved to the point where it's a VM that has support for things that Java itself hadn't had specified.
<centrx>
wald0, Java runs on the JVM, but the JVM can be used independently of Java
<momomomomo>
java can run on smalll tiny machines
<momomomomo>
well at least originally
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<wald0>
apart of the "please go to the street and get some real life" feeling when you try to launch a java application and nothing appears...
<pipework>
Java ran on mobile phones well before they were 'smart'
<pipework>
The language isn't really something I like.
<shevy>
you always like to bring the VM
<wald0>
shevy: the syntax is better than ruby ? o_O i found the ruby one very nice
<rpag_>
it's an important point to bring up
<pipework>
The VM is all that's not shit.
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<shevy>
wald0 naaah... but really, java and ruby don't compete in very similar niches
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<wald0>
VM is good when requires a ton of memory and is painfully slow ?
<shevy>
in science, I saw some java apps
<pipework>
You don't have to write Java to use the VM. Like you don't need to write ruby to use the rubinius VM (I don't know anyone who uses it though...)
<shevy>
one image processing one; then xmipp too
<pipework>
wald0: Ruby uses a ton of memory and is much slower than the JVM.
<rpag_>
wald0, the startup cost of the JVM is slow and annoying but once it warms up the JVM can compete with C++
<shevy>
relion used C++ - this is all software that does image processing on electron microscopy dataset
<benzrf>
look at it this way
<pipework>
cruby has a fast VM startup time, but it's a slow implementation compared to JRuby at runtime.
<wald0>
pipework: you are going to push me to forget that ruby gui and use C :)
<benzrf>
your physical machine takes n time to boot
<shevy>
[insert benzrf's haskell praise here]
<benzrf>
if a virtual machine can boot faster
<wald0>
and if i do that, shevy will be unhappy
<benzrf>
that's doing OK
<shevy>
wald0 well
<pipework>
wald0: I mean, it wouldn't matter to me very much at all. It's not like I think you're making informed decisions at this point. :)
<shevy>
wald0 I think your path towards ruby+enlightenment will fail
<shevy>
but!
<shevy>
wald0 your path with ruby will succeed!
<wald0>
lol
<pipework>
Though I'm sure you'll have a good time talking to nerds awkwardly about the things you hate. That's always nice.
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<shevy>
pipework thinks he is not a nerd!
<wald0>
well, i need to make a small gui app for next week and we picked ruby + gui
<pipework>
shevy: I didn't say that. I said he'll talk to nerds about the things he hates.
<shevy>
go for the web wald0
<pipework>
Which, for one, he's doing.
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<pipework>
wald0: Just picked that out of a hat, did you?
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<godd2>
wald0 rest assured that even if whatever you're working on in ruby doesn't pan out, that afterwards you will have a better understanding of Ruby :)
<pipework>
Next week it's Lua and wearables!
<shevy>
we have mruby!
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<shevy>
it will replace lua one day!
<pipework>
shevy: Probably not though.
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<shevy>
perhaps if matz codes faster!!!
<pipework>
I mean, it'll certainly compete on the embedded market, I hope.
<shevy>
and throws out 30% of the old features
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<shevy>
so mruby will be faster
<shevy>
it's the path to ruby 3.0
<wald0>
pipework: we are going to use a pretty old computer to run that software, do you still think that we should use java ?
<wald0>
also, java GUIs are the ugliest-ever thing that i have seen
<wald0>
it remembers me to windows 3.11
<shevy>
:)
<wald0>
but on silver
<shevy>
sometimes there are only java GUIs available
<wald0>
or is blue?
<shevy>
like xmipp
<shevy>
I had to vpn connect and then use this on my laptop with 1 gig RAM
<pipework>
shevy: Lua is multi-paradigm and really great. However, there are implementations that are optimized to be really super damn fast.
<shevy>
on a sidenote - if you buy a laptop NEVER go below 4 gigs
<pipework>
luajit.
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<shevy>
is this lua with java
<momomomomo>
what does luajit have to do with this
<pipework>
shevy: Why would it be?
<shevy>
dunno
<shevy>
it has a j character
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<shevy>
java ... jruby ... jvm ... do you see the pattern :>
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<pipework>
shevy: jews?
<shevy>
AHA!
<shevy>
SO THAT IS WHY THEIR SERMONS ARE SO VERBOSE
<godd2>
jit jsut stands for Just-In-Time, not necessarily jvm, no?
<wald0>
shevy: btw, you didn't told me your feedback about the sytnax to use before
<shevy>
all that public prayer void interface()
<momomomomo>
yes godd2
<pipework>
wald0: There are some beautiful gui applications on the JVM.
<wald0>
button_ok = add_button(win, icon: "OK", text: "Continue") # first param should be always the target, other args are optional
<wald0>
win.button = button_add(icon: "OK", text: "Continue") # on this way we don't need to tell the target because we are inserting it ON the target in a Object-Oriented fashion
<shevy>
wald0 well which one... the 1:1 clone?
<pipework>
Though yes, it's not the default and they put effort into making the gui pretty.
<shevy>
well you are using a hash
<momomomomo>
which has bindings for ruby, lua, etc.
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<momomomomo>
audacity uses wxwidgets
<wald0>
shevy: my dreamy wrapper for that 1:1
<pipework>
momomomomo: I don't mind wxwidgets myself.
<shevy>
so that doesn't matter wald0 right? because we can check on all the keys inside the method anyway
<momomomomo>
don't know how it fares on constrained systems, though
<shevy>
but that is a hash wald0
<shevy>
unless I am not seeing something else...
<shevy>
what is this actually
<pipework>
momomomomo: The link for ruby bindings to wxwidgets is dead.
<shevy>
is this even valid syntax?
<wald0>
shevy: yeah the idea is "if i have this parameter assigned on my function call, use/assign it, otherwise use defaultsr
<pipework>
shevy: One day you'll interact with a project on the JVM and it'll get stuck in your head. You'll want to touch it, to hold it in your hands, to feel its wants and needs. You'll fall in love, my friend, and that will be the beginning of the end for you. You won't survive, you won't pass Go or collect $200.
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<shevy>
it's too verbose for me
<pipework>
shevy: The JVM?
<shevy>
java
<pipework>
shevy: You don't need to write java on the JVM.
<shevy>
wald0 you can do EVERYTHING inside the block
<shevy>
wald0 so if you initialized @button before, then sure enough it can work
<shevy>
you can even somehow fake stuff inside a block
<shevy>
and change ruby in regards to @ivar usage
<shevy>
I saw that trick not long ago and I hated it, but it can be done!
<pipework>
shevy: You can ruby on the JVM, have real threads that don't have a GVL, you can use non-ruby JVM libraries in a syntax that's not too unfamiliar to a rubyist.
<pipework>
There's so much in that ecosystem.
<shevy>
but I need to have java for that! :(
<pipework>
shevy: No, you need the JVM.
<shevy>
I liked java more when Sun was in control
<wald0>
shevy: yeah but im concerned about if i can put everything needed on a block... let's say that if you click hte button you need a callback to a specific funciton to be run, or to change the text of the button later in the code when something elese is evaluated
<pipework>
Use the open source VM then.
<momomomomo>
pipework: you also have the jvm to manage
<pipework>
momomomomo: Manage? There's so much tooling for that.
<momomomomo>
lol
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<shevy>
wald0 why not? you can define the callback before or afterwards, as a proc object
<momomomomo>
LOL
<pipework>
You still have to manage your ruby VM as well, but you don't get as good management.
<momomomomo>
or should I say, tweak
<godd2>
>> class Dog; end; dog = Dog.new; dog.instance_variable_set(:@legs, 4); dog.instance_variable_get(:@legs)
<pipework>
So not being able to tweak ruby's VM as much is a feature?
<shevy>
do dogs really have four legs
<momomomomo>
pipework: just like not being able to tweak the golang gc is, yes
<momomomomo>
sane defaults
<momomomomo>
less research
<pipework>
shevy: I believe they have six, two of which are in the ethereal plane.
<pipework>
momomomomo: Less flexibility.
<shevy>
cool
<godd2>
shevy if they have 4 legs, how many arms do they have? logic
<shevy>
4
<momomomomo>
two schools of thought on that
<momomomomo>
simplicity vs complexity
<shevy>
dogs are real monsters
<pipework>
momomomomo: Go is pretty neat in itself, and it lends towards some pretty cool stuff.
<wald0>
hum...
<pipework>
However, ruby is far behind both the JVM and Go on these things.
<momomomomo>
true that
<shevy>
wald0 IT IS ALL POSSIBLE! STOP DESIGNING, START WRITING!
<pipework>
Ruby being cruby, not JRuby.
<wald0>
but "add button" is not an instance-variable, but a function call more exactly
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<shevy>
so where is the problem
<shevy>
def add
<shevy>
there you go!
<pipework>
wald0: Method call.
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<momomomomo>
ok anyhow, speaking of go, I have to write some curriculum
<pipework>
Ruby has member functions which are called methods.
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<shevy>
member function sounds very sophisticated :)
<pipework>
shevy: Learn yourself a C
<shevy>
doing so!
<wald0>
shevy: i still dont know how to remove all the complexity and make everything automated, i dont want to rewrite ALL the functions of one-million-lines-long project library for ruby
<shevy>
but it's so boring...
<pipework>
So boring.
<pipework>
wald0: I would suggest hiring someone else to do it for you.
<shevy>
wald0 ok so now we know why they use FFI
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<pipework>
Makes all the complexity go away and things are automated in that you don't have to do anything.
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<shevy>
hehe
<momomomomo>
how is C boring?
<momomomomo>
read Programming in C by stephen kochan
<godd2>
wald0 to make it automated for others, it will require writing some complex things
<shevy>
C is super boring
<wald0>
pipework: did you see the photo of the guy that says "i code for food" ? thats me :)
<momomomomo>
:|
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<benzrf>
C is boringly terrifying
<shevy>
if only I could write ruby code for valid C
<wald0>
pipework: but yeah, for sure that would be the best opiton
<pipework>
wald0: Ah very good of you to not include 'very well'
<jhass>
shevy: crystal ;P
<momomomomo>
For all of those who find C boring or intimidating, I highly recommend https://cs50.harvard.edu/
<momomomomo>
Prof David Milan takes away the intimidation, and breaks down concepts while you leanr C
<shevy>
omg
<shevy>
there is steve ballmer
<wald0>
shevy: yeah, that efl-ruby uses automated sed parsers for generate the ruby lib using ffi
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<shevy>
what have you sent me into man
<momomomomo>
I've been preaching that class for 3 years
<benzrf>
C is boring while terrifying in the same way as hiding for 10 hours from a killer in a tiny closet
<shevy>
his bald head stared at me
<momomomomo>
shevy: only the most diverse intro to CS class in the world
<pipework>
momomomomo: To learn? I don't know, the thing I don't like about writing C is that I have to slow my thoughts down from the get go to do things that a third generation programming language lets me put off until I need to optimize.
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<wald0>
godd2: yeah, and my ruby-complexity level is at 2%
<momomomomo>
half the attendees IRL are not cs majors
<momomomomo>
pipework: I didn't say you should write C, I said it's not boring
<pipework>
momomomomo: Learning it was quite boring as well.
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<shevy>
momomomomo ah I can't do that, I lack the time!
<momomomomo>
welp, maybe with some cool structure as I pointed out in cs50 you might change your mind
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<momomomomo>
shevy: eh, to each their own
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<momomomomo>
all the videos are there, you can do it at your own pace
<pipework>
A lot of up front stuff before you get to the meat. Whereas with other languages I can often dig into interesting bits and work my way back to the particular bits
<wald0>
mmmh, im not sure to have understood it, what means brograming and just getting the job ? "to make software that simply works but like a crap"? because this dont exactly match with my definition of "requires thinking" :/
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<Frank_Jameso>
I think there's a solid wall between thinking and understanding
<Frank_Jameso>
and that's sort of where that definition lies
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<mosez>
got somebody good examples for plugin architectures of ruby cli apps?
<wald0>
ah, i see, also checked the "the hard way philosophy" in their site :)
<pipework>
godd2: nope
<wald0>
mosez: i have see a book dedicated to cli apps, with lists of gems good to use fo rthat
<pipework>
wald0: Brogramming doesn't relate to code quality.
<apeiros>
goddamitfuckmyisp
<apeiros>
sorry. needed a vent.
<mosez>
wald0: sounds interesting
<mosez>
the only real example i know is vagrant. but this is not really what i want because i dont want to build a fully dedicated bundler environment :(
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<jhass>
mosez: pry?
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<rpag_>
sequel
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<centrx>
potato
<rpag_>
turnip
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<godd2>
That's vegetablewang!
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<sud0x>
hey all
<centrx>
sudo ahoy
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<mosez>
i will take a look at the plugin system for sequel and pry
<sud0x>
ahoy matey
<rpag_>
what about potato and turnip?
<etech0>
quick question...
<sud0x>
trying to learn how to read from a file but apparently the replies I see from stack overflow seems rather long. Does ruby have a read method similar to python's readlines?
<etech0>
I created a ruby file that contains a function, and want to test the function from the terminal. How do I do that?
<jhass>
sud0x: File.readlines and File.foreach
<sud0x>
ah sweet
<sud0x>
thanks guys
<godd2>
sud0x keep in mind that File.readlines takes in the whole file into memory at once
<jhass>
etech0: irb -r./yourfile.rb
<etech0>
does it need the ./ ?
<sud0x>
thanks godd2
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<jhass>
etech0: the alternative would be irb -I. -ryourfile
<sud0x>
what did you guys use to learn ruby? I usually look at the documentation and google as I go along but the documentation for ruby seems meh
<mosez>
rpag_: turnip got a plugin system? and the links of potato gem are broken :)
<etech0>
and how do I get it to test a specific function?
<jhass>
etech0: that will give you a repl with the file loaded
<godd2>
etech0 you can also load an rb into irb after youve started irb with load 'filename.rb' (assuming you started irb in the same directory youre loading from
<rpag_>
mosez, no it doesn't was just joking
<etech0>
cool
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<etech0>
load filename.rb is not working. could it be because there's a period on the filename?
<godd2>
sud0x I mean, if your goal is to get your head around Ruby's file manipulation, then that's fine, but heed their warnings. If you're going to be doing xml parsing, don't reinvent the wheel
<Mateon1>
When you have regex questions ask in #regex, I help there if I can
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<jhass>
Nokogiri::XML(File.read('foo.xml'))
<centrx>
c0def00d, That regex looks really complicated. What are you trying to do?
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<sud0x>
thanks guys
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<Mateon1>
c0def00d: Oh, a match group is reset if it's captured more than once
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<godd2>
centrx he's trying to parse that string with that regex, duhhh
<ericwood>
might be worth throwing it into rubular.com with an example of the input
<Mateon1>
c0def00d: Just get a regex that matches everything in between {} and split by "/"
<c0def00d>
Mateon1: What do you mean by a match group is reset if it’s captured more than once .. :p
<centrx>
yeah but like \A([^{}]*)(?:\{([^{}\/]*)(?:\/([^{}\/]*))+\})?([^{}]*)\z
<Mateon1>
Uh, how do I explain this
<c0def00d>
Mateon1: your idea sounds better!
<godd2>
c0def00d be careful with "zero or more things that aren't blah"
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<c0def00d>
godds: why’s that?
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<godd2>
its not very specific.
<c0def00d>
godd2: what do you recommend to do instead?
<godd2>
be more explicit about things youre trying to match, not the lack of things you arent trying to match
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<Mateon1>
c0def00d: When you have a capturing group and you quantify it with +, * or {n,m}, only the last text that group matched is captured
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<Mateon1>
If I have a regex /(\w)+/ and I match the text "abcxyz", only the "z" will be captured
<c0def00d>
Mateon1: oh, did not know that!
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<c0def00d>
Mateon1: I’ll follow your advice of spliting a simpler regexp, but just out of curiosity, I guess there is no way to match repeating capturing groups?
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<ericwood>
I just realized I was using String#reverse instead of specifying the endianness of the Fixnum I was packing :|
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<P-NuT>
Hi all, how can I get the current date in epoch, then check the date 7 days prior in epoch?
<benzrf>
they say that in rails you can say 7.days.ago
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<shevy>
yeah benzrf from Activerecord
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<wald0>
there's constructors in ruby (initialize), but what are the desconstructors?
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<rpag_>
doesn't have any
<rpag_>
finalizer is the closest thing
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<sabroso>
Cuando sale la nueva version de railsinstaller?
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<sabroso>
When the new version comes out railsinstaller?
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<Hanmac>
sabroso: #rubyonrails
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<Radar>
sabroso: !when
<helpa>
Calculating estimated date from all known knowledge... Best estimate: 2022-05-07 (or there abouts).
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<benzrf>
!when
<helpa>
Calculating estimated date from all known knowledge... Best estimate: 2041-05-15 (or there abouts).
<benzrf>
ebin
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<Naeblis>
How can I do optional parameters in Ruby? I have method(foo=nil, bar=nil), and I want to pass either foo or bar at any time. But even when I call the method using named argument, (like method(bar="something"), it goes to the wrong value.
<Naeblis>
wrong param*.
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<jhass>
Naeblis: you already know how you do optional arguments, you're asking for named parameters there
<Naeblis>
right
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<jhass>
what you're currently doing is assigning the local variable bar in the method call and pass the result of that assignment as the first parameter
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<jhass>
optional named parameters are defined with def method(foo: nil, bar: nil) and passed with method(foo: 'something')
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<Naeblis>
so I have to explicitly specify foo=nil in my method call to make it work?
<Naeblis>
ah
<Naeblis>
so the syntax is different
<shevy>
atmosx you have the exam soon? :-)
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<Naeblis>
thanks jhass
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<shevy>
wow !when is useless
<shevy>
!when
<helpa>
Calculating estimated date from all known knowledge... Best estimate: 2027-11-28 (or there abouts).
<shevy>
lol
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<banister>
it's called immediately as an object is killed
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<i8igmac>
i tried to install a ruby beautify
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<i8igmac>
it dont weem to work
<rpag_>
banister, hah cool
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<jhass>
i8igmac: there's an unofficial sublime text help channel at ##sublimetext
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<i8igmac>
ok
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<i8igmac>
Oh... that is sexy
<i8igmac>
ruby beautify
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<i8igmac>
it was suggested by some one here to check it out
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<i8igmac>
thanks love you guys
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<i8igmac>
i dont know what you guys call these things, IDE's ?
<wald0>
godd2: im pretty confused, in the "running ruby in c" part it says "ruby code goes here", i tried to write a simple ruby line but it not worked (of course), it doesn't say anything about how to write your ruby code on there
<i8igmac>
plugins for the text editor
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<godd2>
wald0 you have to compile it natively.
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<wald0>
banister: sounds good! you should request the official ruby to include it :)
<banister>
wald0 nah :P
<wald0>
godd2: gcc ? yeah, it didnt worked
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<lawnchair>
so this is kind of a chef+ruby issue but i figured someone here could maybe help... i'm having a bad dependency problem http://pastebin.com/raw.php?i=Zkef3drP i was wondering if someone could point me in the right direction
<wald0>
banister: why not? is a must have
<banister>
wald0 not really
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<banister>
i've never really needed it
<wald0>
banister: think about using FFI on ruby, you should be able to free pointers/data but idk how much ruby can know how to deal that
<banister>
wald0 yeah for C extensions it's somewhat important, but you can do that outside of a destructor in some special method
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<banister>
just ensure people kill their objects via a spcial method
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<jhass>
lawnchair: try writing a Gemfile with all your dependencies and then bundle exec that command
<lawnchair>
hmm ok
<lawnchair>
do you think i'm missing something?
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<jhass>
lawnchair: you're trying to load incompatible versions of stuff, bundler might be able to resolve that
<lawnchair>
ah i see
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<lawnchair>
hmm it says my bundle is complete but still having the same trouble :(((
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<jhass>
do you use bundle exec?
<ProfElm>
Hey guys, I have a question. I was wondering how I can create RSpec tests for non-namespaced ruby script files?
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<jhass>
ProfElm: what are you struggling with?
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<lawnchair>
bundler: exec needs a command to run
<lawnchair>
what's that mean?
<jhass>
lawnchair: you invoked it without arguments
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<jhass>
lawnchair: bundle exec <the command that is failing>
<ProfElm>
Just trying to trying to understand how to test running the script file. It is invoked from the command line using command line arguments. So I want RSpec to help in sending different command line args.
<godd2>
ProfElm you don't need to refer to a module or class in a describe.
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<lawnchair>
jhass, ah i see now. thank you.
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<godd2>
ProfElm if you have the rspec gem installed, you should be able to run rspec -h in the command line
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<ProfElm>
Ok.
<jhass>
ProfElm: there's aruba for behavioral tests of CLIs, it does include some stuff that can be useful for RSpec. I think I saw some gem with helpers for RSpec but I don't recall its name
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<jhass>
ProfElm: a common pattern is to make your CLI interface a class in lib/ with a bin/foo that's just require 'foo/cli' Foo::CLI.new(ARGV)
<jhass>
that makes it trivial to test
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<ProfElm>
So in my bin/foo, have something like app.rb. Then have something like lib/foo/app.rb, which will have the actual command line stuff?
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<jhass>
with a gem name of foo, you would have bin/foo that's require 'foo'; Foo::CLI.new(ARGV) or similar and a lib/foo/cli.rb that defines that
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<ProfElm>
Oh nice.
<ProfElm>
That makes perfect sense.
<jhass>
with this technique it's good practice to write your stuff as a library and have your Foo::CLI do not much more than to parse command line args and then drive the library
<ProfElm>
That's pretty much what I'm doign.
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<ProfElm>
*aiming to do.
<ProfElm>
jhass++
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<wald0>
ruby has a ton of small useful things like "foo".chomp, i wonder if there's a lib for C about "small usefullnesses" instead of deal with loops using str* libs
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<ZaRDaK>
wald0, this lib is called c++ and stl
<wald0>
heh, i cannot even read the C code of mruby in the chomp part because everything is ruby own functions =_=
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<wald0>
ZaRDaK: but for plain C there's no any one?
<ZaRDaK>
wald0, haven't been using pure c
<ZaRDaK>
wald0, afaik most of ppl roll out their own libs
<jhass>
wald0: it's called Crystal :P
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<wald0>
> Is there a function in C like the PERL function "chomp?" > No, but fortunately it's fairly easy to do yourself: if (*str && str[strlen(str)-1]=='\n') str[strlen(str)-1]=0;
<wald0>
hahaha omg
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<wald0>
same readability as "foo".chomp
<benzrf>
> "foo\n".chomp
<benzrf>
>capitalizing perl
<benzrf>
wald0: that's a memory leak
<benzrf>
oh, wait
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<benzrf>
nvm
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<wald0>
jhass: hum...... im pretty confused, i was thinking that crystal is a lib for c, then i see the syntax that is like ruby, so wtf it is ?
<jhass>
wald0: it's its own language :P
<jhass>
compiles to native code
<wald0>
jhass: but it looks like ruby so why re-doing ruby ?
* wald0
scratch his head..
<jhass>
it's statically typed, so it can be compiled to native code without embedding a runtime
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<jhass>
it's already comparable to C performance in many aspects
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<jhass>
and has a super easy way of binding to C libraries ;)
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<wald0>
jhass: that was going to be my next question :), if i can use it like C how i can use c libs ?
<wald0>
jhass: so how is the performance comparison of a same application made in ruby and in crystal ? (so it should almost use the same code aparently)
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<jhass>
well, crystal is a lot less dynamic than ruby when it comes to runtime code modification
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<jhass>
being compiled and all
<wald0>
jhass: because the "big gui lib" that i want to use is much cleaner on its original language (c) than ported to ruby in 1:1 (ffi), also it has a nice way to pass objects accross functions
<jhass>
for a lot of stuff performance is comparable to C, ruby is just miles away but then a lot more flexible still
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<wald0>
sounds very good in any case
<jhass>
and I think it's clear that you want some glue code around something that has an API that is designed for C
<jhass>
you want to hide that API in pretty much any other language
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