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<Earthnail>
is there a way to get a temporary file name without creating the file itself? Tempfile.new always creates the file...
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<Earthnail>
sry, got disconnected.
<Earthnail>
is there a way to get a temporary file name without creating the file itself? Tempfile.new always creates the file...
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<lbrf>
Earthnail: what's the problem in create the file?! O_o
<Earthnail>
lbrf: calling an external program (ffmpeg) to populate the file for me; ffmpeg complains about the file being there (yes, there is a -y option to make ffmpeg shut up but its ugly).
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<lbrf>
Earthnail: you can't change it to call ffmpeg only when file is not temporary?
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<shevy>
Earthnail I don't think there is a thing like a temporary file that is not a file, unless you handle it all in RAM
<rpag>
Earthnail, you could generate a unique filename with SecureRandom and pass that to ffmpeg without much fuss
<Earthnail>
rpag: yes, that would work. I was just wondering if something already existed in the standard libraries. Node's tempfile package has it, I think Python has it too.
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<SHyx0rmZ>
Earthnail, Dir::Tmpname.create looks good to me
<SHyx0rmZ>
require 'tmpdir'
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<Earthnail>
SHyx0rmZ: awesome, thanks
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<shvelo>
Anyone use chunky_png?
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<P1RATEZ>
cambells.jpg
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<redjack1964>
Why i get a NameError exception when i create my object like that : my_session = Session.new("a string")
<redjack1964>
class Session
<redjack1964>
31 attr_accessor :name
<redjack1964>
32
<redjack1964>
33 def initialize(name)
<redjack1964>
34 @name = name
<redjack1964>
what's wrong?
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<sevenseacat>
depends on the full error
<benzrf>
redjack1964: where is the namerror
<sevenseacat>
also, use gist for code chunks, dont paste them here.
<redjack1964>
i precise Class Session is set in another file (training.rb)
<redjack1964>
training.rb:35:in `initialize': undefined local variable or method ` ' for #<Session:0x000000011e4870 @name="a string"> (NameError)
<sevenseacat>
so whats on line 35
<redjack1964>
35 @exercises = []
<sevenseacat>
yeah thats not valid syntax
<redjack1964>
just an empty array
<sevenseacat>
thats whats wrong :P
<apeiros>
method ` ' # you probably have an unprintable character there which shouldn't be there
<apeiros>
probably a non-breaking space.
<sevenseacat>
did you mean ||= ?
<apeiros>
also as sevenseacat already said - gist the code
<sevenseacat>
or just @exercises = [] ?
<redjack1964>
i think apeiros has right
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<redjack1964>
i use vim
<havenwood>
redjack1964: we demand code!
<apeiros>
giving it piecemeal is somewhat anoying
<apeiros>
+n
<redjack1964>
i removed this line and type it again, and right now, i don't have this error anymore
<KLVTZ>
process of elimination...
<KLVTZ>
redjack1964: btw, vim has a great plugin called gist-vim. Once you set it up, you just have to call :Gist and it will post to your personal account with an available link.
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<KLVTZ>
makes the process of sharing much easier
<redjack1964>
good to know :-)
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<miah>
ah ya; my gf doesnt really speak cantonese well but she understands it
<ericwood>
her dad told me I had better skills than her, it was the apex of my chopsticks career
<miah>
hah
<ericwood>
lol GF only understands commands her mom would yell at her
<pontiki>
the fork thing reminds me one time i took my daughter to a chinese place; we were using chopsticks, but she was having a bit of problem. waiter walked up and slapped a fork down next to her and shouted at her "you need fork!"
<ericwood>
"come here" "stop that"
<ericwood>
pontiki: the only way to teach 'em is to have them starve unless they learn
<pontiki>
um
<pontiki>
she was like 16
<miah>
wow
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<pontiki>
she does know how to use them
<pontiki>
but everyone has a bad day, you know?
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<ericwood>
haha
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<miah>
day/week/month, ya =)
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<ericwood>
I think my parents gave them to us a lot for entertainment value
<pontiki>
... i was not above such things ...
<miah>
where i grew up they dont give you chopsticks really; nobody knows how to use them i didnt use them until my 20's
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<pontiki>
but my partner and i used chopsticks a lot, and the girls wanted to use them too
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<miah>
ya; my daughters see us using them and they try too
<ericwood>
it's a good skill!
<pontiki>
it is
<miah>
i make it difficult though because im left handed so showing them my technique; it doesnt really translate
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<ericwood>
lol we're discussing chopsticks while #javascript slowly comes unravelled
<ericwood>
granted it's settled down
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<pontiki>
give them a fork
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<ericwood>
they've lost their chopsticks priveleges
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<miah>
hah
<pontiki>
lol
<ericwood>
this time of night is when a lot of non-english speakers hop in, things can get interesting
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<ericwood>
frustrating for both parties :\
<Nameo0>
Hello. I am suck trying to scrap a website using Nokogiri (like someone suggested earlier) and Mechanize. The website is pute html and I am trying to find the nth time that the "b" element appears and scrap the text from that element. I cannot figure this out and any advice would be greatly appreciated. =)
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<Nameo0>
pure html = no css, no id, no name
<ericwood>
Nameo0: mechanize seems a bit overkill! Why not use open-uri instead?
<Nameo0>
I am just trying to find a way to make this work. =)
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<ericwood>
one sec, lemme whip something up
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<aust>
or it could check for uniqueness when writing to the file as well
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<apeiros_>
read the lines into a set, write it back to file
<shevy>
hanmac1 lol
<shevy>
rpag showed me the binding-eval trick to load code into modules at runtime
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<shevy>
as long as that works I am happy
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<shevy>
though - when I tried to use it in real code, it actually seemed too complex to my eyes so I did not use it in the end :(
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<hanmac1>
shevy next weekend i might work on rwx again ... because nobu did break it, and currently i might have problems to fix it again (means rwx will currently not work with ruby-trunk) ...
<aust>
thanks
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<shevy>
\o/
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<Timgauthier>
shevy sup
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<shevy>
hey Mr. Tim
<shevy>
like Tim the Enchanter from the movie "The holy grail"
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<Timgauthier>
YES!
<Timgauthier>
LIGHTNING BOLT!
<shevy>
haha
<shevy>
Tim: "I do.?You seek the Holy Grail!"
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<shevy>
Arthur: "That is our quest, you know much that is hidden, O Tim."
<shevy>
Tim: "Quite."
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<hanmac1>
shevy last weekend i did play to much with simutrans again ... what would be if the world would have such a growing industry than in my game? ;P
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<Timgauthier>
i love games
<Timgauthier>
with simulations
<Timgauthier>
what game
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<shevy>
hanmac1 what is simutrans?
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<shevy>
and why are there not more games in ruby
<shevy>
hanmac1 I was young when SimCity 1 came out on DOS!
<shevy>
I recently played some DOS games... gotta say, most of them were actually crap. but some really had great ideas going for them
<hanmac1>
apeiros_ hm why not File.readlines("path").uniq ?
<gregf_>
apeiros_: sets are O(1)?
<apeiros_>
gregf_: lookup, yes. so the problem is O(n)
<gregf_>
yeah, faster :/
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<apeiros_>
hanmac1: that's the convenient solution for small files, yes
<gregf_>
apeiros_++; hanmac1 thats good to know `uniq` :)
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<apeiros_>
hanmac1: depending on whether you count \n to be part of the line or not, you have to adjust for last line without newline
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<apeiros_>
(same for all solutions, tho)
<shevy>
Timgauthier yeah sucks; people get way too punch-happy. but seriously, to punch girls? that dude is just insane
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<shevy>
oops... the article actually says it was a stone or a bat, not the fist ...
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<Timgauthier>
yeah its much much worse then punching
<Timgauthier>
he left and came back
<Timgauthier>
to beat her to death
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<Timgauthier>
woowt, wrote my brothers thankyou card from my wedding, yea they're redicuously late lol
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<gregf_>
theres also an interview by abc on the cop that killed that young boy. now, i could be mistaken in that i'm trying to justify that cops action :/
<gregf_>
but one needs to listen to both sides :/
<gregf_>
he could've tasered him tho'. shooting is a bit too far, but.. in self defence :/
<Timgauthier>
he didn't carry a tazer
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<Timgauthier>
and i know a ton of cops who don't
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<shevy>
Timgauthier you thank your brothers for getting married? :>
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<Timgauthier>
the whole situation sounds really weird, and the fact that it didn't go to the supreme court is more weird. but in this situation it COUDL have been justified, there however is a huge culture issue if black people feel so singled out. That needs to be addressed
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<Timgauthier>
I thank my brother for coming to my wedding shevy
<shevy>
gregf_ what confuses me is that he quit duty afterwards despite the jury stating he is free of error
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<shevy>
Timgauthier ah ok ... I forgot, you married in Canada, Germany or somewhere else? I assume your brothers would live in or near Canada... would seem adventorous to travel over half the world to attend the marriage of a brother! :D
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<shevy>
wow difficult word... *adventurous
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<Timgauthier>
we got married in canada, and in germany :P
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<Timgauthier>
adventurous
<Timgauthier>
yeah thats a weird one
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<shevy>
oh... so I guess two parties
<shevy>
you must really like cake
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<Timgauthier>
a total of two bites of cake from my weddings :P
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<hanmac1>
Timgauthier: hm did you tryout simutrans too? imo its cool for a bit playing under linux
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<hanmac1>
apeiros_ spam from Guest35729
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<Timgauthier>
hanmac1 no i havn't and i'm on a mac
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<Timgauthier>
apeiros_ hanmac1 i also had that spam
<shevy>
do we have a programming language that is built around a UNIX pipe model? e. g. each action that can be performed, is a filter-process
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<stan5>
\quit
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<shevy>
no don't
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<Timgauthier>
i need to build a photo gallery that is password protected and i'd like to host my photos on aws to limit my costs
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<stan5>
TIME
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<Timgauthier>
hm?
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<stan5>
you want to build it from scratch?
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<hanmac1>
shevy i would like something in the style of RollerCoasterTycoon(1-2) written in Ruby, what do you think, would you like that?
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<Timgauthier>
naw, can't beat the efficency of assembler bra
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<dark_lord>
Hey I have opened two different terminal. In one of that I am checking gem list, it showed different output when I am doing the same on other terminal
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<dark_lord>
Am I doing something wrong ?
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<hanmac1>
Timgauthier: hey! ... i did wrote once a bit with a binding for a 3d engine like ogre ... my ruby app did had similar FPS than the C++ programm
<Timgauthier>
cool
<hanmac1>
so if written correctly a binding should not have much overhead than the library itself ...
<Timgauthier>
yea
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<Timgauthier>
i want to setup a photogallery using AWS for hosting my photos
<Areessell>
Okay, almost any question you ask that contains "get an error" or "exception" or something along those lines, go ahead and /include/ that exception with yout question. Cause that's gonna be the next thing asked
<hanmac1>
olivier_bK: dont you want to use redefine or something?
<olivier_bK>
no i just want to call colorize
<Areessell>
Oh he did! I'm dumb
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<Areessell>
You;re only defining a module that has the colorize method
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<Areessell>
If you want to call `"Some string".colorize` then you need to include that in a `class String`
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<shevy>
hanmac1 not sure I k now that; I only know TransportTycoon which was ok
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<Areessell>
Life isnt complete until you've built a death roller coaster and trapped your visitors in a park in RCT
<hanmac1>
but currently you did define Color#colorize, but that does have nothing todo with String#colorize
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<hanmac1>
Areessell: hey, i did make an accident that in a very small park the bob-bahn has a little bumb, and the train did fly away ... dont blame me, blame the physics ;P
<olivier_bK>
in my class i've wrote include color
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<hanmac1>
olivier_bK: yes, that should crash, dont ask me why it didnt ... first it should have been "include Color" not "require color", second, it still does not affect String
<olivier_bK>
ok
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<Areessell>
olivier_bK: You wrote `require` which is different. But even if you did, that it still wouldn't work
<hanmac1>
shevy do you mean simutrans or RollerCoaterTycoon?
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<Areessell>
You are doing `"wget: #{f}".colorize("blue")` which is String#colorize, as hanmac1 said.
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<Areessell>
Remove `require color` in line 5 of down.rb, and on line 2 add `class String; include Color; end`
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<Areessell>
What you are doing with that is reopening the String class definition and including that Color module. This will define the `color` method to all String instances
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<Areessell>
arup_r: Yeah sure, one of the most popular open source games
<arup_r>
Which one ?
<shevy>
arup_r return can sometimes be unexpected
<Areessell>
arup_r: return means "Stop everything that's happening and return the method
<Areessell>
No it's fully expected
<shevy>
Areessell no that is not true
<shevy>
Areessell try return in attr_writer style methods
<Areessell>
It breaks out of all loops, it stop the block excution, everything
<Areessell>
breaks out of all conditionals as demonstrated here
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<arup_r>
Areessell: You meant Virtus change the Ruby parser parse rule?
<Areessell>
Anyways, you are setting an instance variable based on the result of a contitional.
<Areessell>
What? How did you infer that from what I said
<arup_r>
Ahh! sorry :-)
<arup_r>
Then where was I wrong ?
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<arup_r>
I didn't get you then
<Areessell>
Anyways, you are setting an instance variable based on the result of a contitional - and in the conditional you have a return statement. So it was skipping the assignment of the instance variable which Ruby said "Hey! That makes no sense"
<arup_r>
Why not am I allowed to return inside the if-else block ?
<Areessell>
Because return breaks out of everything and returns the given value immediantly
<Areessell>
No, you can. But the if/else block (called a conditional) is an expression in this case that the result of which will set a variable
<Areessell>
But you are skipping the setting of the variable by useing `return`
<arup_r>
makes sense now.. But will that behaviour consistent with any kind of assignment ?
<Areessell>
...Yes
<Areessell>
It's Ruby
<shevy>
Areessell return returns the passed value?
<arup_r>
Thanks for the explanation
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<Areessell>
Of course
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<arup_r>
shevy: "void"
<shevy>
class Foo; def set=(i); return 33; i; end; end; foo = Foo.new; result = foo.set = 1
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<shevy>
will result be 33?
<Areessell>
>> class Foo; def set=(i); return 33; i; end; end; foo = Foo.new; result = foo.set = 1
<shock_one>
Hi. How would I continuously read the optput of a subprocess? Like I start a webserver, which doesn't block execution of the current process, and then want to read the port it started on from the output. I tried this, but it requires closing a pipe before reading. https://gist.github.com/anonymous/33a6c99e07ed99872151
<TomyWork>
what part of "bundle exec rails server -e $environment -p $port -b $iface $daemon" is application-specific? everything after "server"?
<Areessell>
That's disgusting =S I hate little patches on logic like that. "Here is how this works! For everything! (except this one very very specific case)"
<shevy>
hehe
<shevy>
no rule without exception!
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<shevy>
^^^ expect an exception to the above rule!
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<Areessell>
shock_one: I think you can just `loop { puts werr.gets }`
<Areessell>
I don't really spawn other processes too often
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<shock_one>
Areessell, werrr is the write-only end of the pipe, I can't read from it.
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<Areessell>
I guess I meant `wout`?
<shock_one>
Ah, right. Wout is the write-only end of the pipe, I can't read from it.
<Areessell>
Or rout I dunno ambiguous names!
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<shock_one>
;)
<Areessell>
I name things like `pipe_read_output` n stuff
<Areessell>
We actually were discussing that the other day
<Areessell>
We found a method with 18 underscores in the name
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<shevy>
woot is a cool name for a pipe component
<shock_one>
And root?
<shevy>
root reminds me of beer
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<shock_one>
Like when you had a couple of beers it's better not to login as a root?
<shevy>
shock_one let me try to find the method with 18 underscores, you will stand paralyzed in awe ...
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<shevy>
hmm I don't have it in my IRC scrollback log here
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<TomyWork>
Areessell bollocks, the app is documented horr^H^H^H^Hnot at all
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<Areessell>
I hate when apps are documented horr^H^H^H^Hnot
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<Areessell>
=p
<TomyWork>
:)
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<TomyWork>
where would i find the source to whatever executes first?
<shevy>
aha found it!
<Areessell>
Like the main entry point of your program?
<TomyWork>
yes
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<Areessell>
That would be which ever ruby file you are running
<Areessell>
Rails apps are bloated and a bit needlessly convoluted IMHO so it might take a minute to wrap your head around it
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<shevy>
rails apps are not fat
<shevy>
just heavy boned
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<Areessell>
Heavy boned? You mean big boned?
<Takumo>
nah, heavy boned
<Takumo>
lead bones
<Areessell>
I can have heavy bones but not fat... like cast iron bones
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<Areessell>
I hate when I get a case of the lead bones
<Areessell>
From working at the factory
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<TomyWork>
Areessell there's no "rails" directory here
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<TomyWork>
is that odd or do i just skip the step?
<Areessell>
rails.. directory?
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<TomyWork>
yes, as mentioned in steps 1.5, 1.6 and 1.8 for instance
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<Areessell>
Did you read the header of that article?
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<Areessell>
"This guide explains the internals of the initialization process in Rails as of Rails 4."
<Areessell>
You're gonna want to skip toooo (hold on)
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<TomyWork>
this is 3.2, too
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<Areessell>
So that article is talking about the enitre initialization process of a Rails app
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<Areessell>
It finally gets to files within your project around 1.10
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<Areessell>
See? Rails is so heavy-boned
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<shevy>
it's cool that the higher the rails versions, the longer the installation procedure
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<shevy>
Areessell what do you use for web-related stuff in ruby? sinatra?
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<Areessell>
I only use rails for really big projects. Most projects I can get away with Middleman or similar but for dynamic stuff I use Sinatra, sure.
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<Areessell>
But I mostly just make webUIs for my applications or small sites I sell for far more than they are worth to some sap
<Areessell>
Sure, refactor with `port = stderr.find { ... }`
<Areessell>
No wait
<Areessell>
Meh not really, it looks fine
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<Areessell>
What was wrong with using `rout.gets`? Did it throw an error or something?
<shevy>
woot.gets !
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<Areessell>
Meh, I'm off
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<Areessell[ZZZ]>
Just a thought, should make a github crawler who's sole job is to find the method with the most underscores in the name and other completely useless facts
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<shevy>
yes
<shevy>
IceDragon suggested that too
<shevy>
I'll put this into my todo file
<shevy>
I also have a temporary name for it ... class JokeStats
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<apeiros>
MasterPiece: don't mix sudo and non-sudo gem installations.
<mynameisbrian>
I really can't decide whether I should learn Ruby or Python, this is difficult. there are many pros and cons for both
<MasterPiece>
apeiros, Thanks! your answer was helpful to me :)
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<mynameisbrian>
if anyone has any good links comparing the languages send them my way
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<survili_>
hi @all, I'm using a gem that uses HTTParty. The gem's main class is defined as follows: "module Namecheap;class Client; include HTTParty"(; is newline). I've created the instance of the gem using "api = Namecheap::Client.new(x,y)" and I need to use a method "default_timeout" which is part of HTTParty. When I call in on my object "api.default_timeout" I get "undefined method" error. My question is, how can I access "default_timeout"
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<ericwood>
survili_: looking at the docs I don't see any mention of "Client"
<survili_>
ericwood: I'm using another gem, that uses HTTParty. And it's gem's class definition goes as I wrote "module Namecheap;class Client; include HTTParty"(; is newline).
<ericwood>
it'd be cool if you told us what the gem was
<survili_>
ericwood: and then I create my object "api = Namecheap::Client.new(x,y)" . And here I need default_timeout
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<ericwood>
survili_: according to the docs timeout is a class method
<ericwood>
not an instance method
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<madbytes>
I installed ruby2.1 on win7 from rubyinstaller.org. Now when i try to install any gem. it shows this error: http://pastie.org/pastes/9754314/text Any help?!
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<gregf_>
survili_: whats does Namecheap::Client::instance_variables print?
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<dblessing>
hey all. can you recommend a good (preferably free) online resource for a student to learn ruby?
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<redjack1964>
which GUI toolkit is more used in Ruby?
<ericwood>
redjack1964: Shoes
<survili_>
ericwood: so, I need to modify the gem(3rd party), the one that uses HTTParty ?
<madbytes>
This is really weird. cannot find any resources to guide with the error, even on google!
<ericwood>
survili_: you can probably pop open the class and add attr_accessor
<ericwood>
but that's weird and scary
<ericwood>
there's probably a better way to do this
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<survili_>
ericwood: pop open ? i.e. monkey patch ?
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<ericwood>
yepyepyep
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<survili_>
ericwood: got it :( . btw, what would have been the correct way for the gem developer to expose all the functionality of HTTParty ? would he have to go over every single method and put attr_accessor ?
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<redjack1964>
ericwood, thanks
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<ericwood>
survili_: not 100% sure off the top of my head but I'm splitting my time between this and work so I don't have chance to give it a good hard look :)
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<survili_>
ericwood: ok, thanks a lot! As I'm not ruby expert yet, I though maybe I was missing something. Thanks a lot again
<ericwood>
np
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<redjack1964>
ericwood, i just installed shoes through gem but i don't have the `shoes` command to execute code
<ericwood>
redjack1964: iirc you just run your program via the ruby command like any other ruby code
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<redjack1964>
ericwood, Sorry, this gem currently does nothing. Team Shoes is working on Gemifying Shoes, and this is just a placeholder until then.
<ericwood>
redjack1964: ah okay, I haven't worked with it so I wasn't sure
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<ericwood>
redjack1964: Ruby has Tk bindings, although they may not be advanced enough for what you want to do
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<ericwood>
there's probably also GTK bindings as well via a gem
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<ericwood>
honestly, for GUI work Ruby isn't the greatest choice :\
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<joncol>
I'm updating a project from 1.8.6 to 1.9.3, and I ran into some problems with String#hash. In 1.8.6 "hello".hash returns the same thing every time, but in 1.9.3, it seem to vary randomly... Can anyone explain this behavior?
<redjack1964>
ericwood, i think Qt is better than theses lasts one :)
<workmad3>
ericwood: I think they seeded it so as to avoid some attacks based on being able to predict the hash values and force collisions
<workmad3>
ericwood: so if they moved to a consistent hash that provided the same advantage, that would likely mean SHA256 or better... and then it starts to get a bit expensive for such a heavily used calculation ;)
<ericwood>
yepyepyep!
<workmad3>
(hell, MD5 is probably too expensive for that)
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<rpag>
workmad3, that is the reason, there was a vulnerability for it years ago
<workmad3>
rpag: I had a vague recollection about seeing that vulnerability in a ruby weekly
<workmad3>
rpag: but not enough to confidently state it was the reason for seeding :)
<alex88>
hi guys, I've this module and spec file https://gist.github.com/alex88/1ba36bc70bd2b106c3a2 problem is, after configuring ImageStore in second spec the third always fails, is there a way to reset the class between those tests
<alex88>
?
<alex88>
or any other useful best practice
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<rpag>
httparty is the wrapper around net/http right?
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<workmad3>
survili_: for your situation, considering how inactive that repo is, I'd suggest simply forking the repository into your own github repo and modifying that line I just linked you to so that it passes the :timeout option into self.class.get
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<workmad3>
survili_: and then install the gem from your github fork (I'm assuming you're using bundler and so can do that easily)
<survili_>
workmad3: ok, so no way for me to call default_timeout without monkey patching correct ?
<workmad3>
rpag: pretty much, yeah
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<ericwood>
workmad3: do you think making attr_accessor on that variable would be valid?
<ericwood>
I think monkeypatching it is more fun :)
<workmad3>
survili_: you may also be able to simply do 'Namecheap::Client.default_timeout 10' btw
<robertt_dex>
alex88: remove_class_variable before :each
<workmad3>
survili_: if you just have a static timeout you want to apply
<workmad3>
ericwood: it's not an instance-level attribute, so no attr_accessor would not be valid
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<ericwood>
yeah I guess so :\
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<survili_>
workmad3: that worked!! that's what I was looking for :) got it now! in C++(my roots), if you call "static" method on object, it works fine, in ruby it's not..
<workmad3>
survili_: yeah, class methods aren't in the lookup chain for instances in ruby ;)
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<robertt_dex>
alex88: you would probably want to check if class_variable_defined? before call remove
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<ericwood>
what's the coolest way to add elements from an array to the beginning of another array
<ericwood>
currently doing this:
<workmad3>
survili_: partly because who would know when to stop at that point :)
<survili_>
workmad3: thanks a lot! btw, you mentioned above "self.class.get", it's really confusing. what is it for ? is it some kind of idom/pattern ?
<workmad3>
ericwood: I quite like your splat :)
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<ericwood>
it's pretty awesome, right?!
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<robertt_dex>
np alex88. PM me if you have specific problems with your code.
<ericwood>
array concatenation makes sense, I feel dumb now
<workmad3>
survili_: 'self.class' calls the 'class' method on self
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<ericwood>
although it's not as sexy
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<alex88>
robertt_dex: thanks a lot for the help! it works fine btw ;) maybe I could either clear @client during the configuration part
<workmad3>
survili_: so 'self.class.whatever' is an idiom for calling a class method from an instance method in ruby, without needing to hard-code the class name
<alex88>
I'm not sure anyone would run configure 2 times
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<survili_>
workmad3: coool! neat, thanks a lot
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<workmad3>
alex88: 'not sure anyone would do X' <-- expect X to be the most common thing anyone ever complains about
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<robertt_dex>
alex88: make it idempotent would be good, but... don't waste time with it if you really dont need it.
<robertt_dex>
alex88: may be a warn
<alex88>
workmad3: in my case is a library and the config is done in the initializers, btw as robertt_dex adviced, maybe I'm going to remove the actual client class when re-running the configure method
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<workmad3>
alex88: in that case, I beg you to not create a client library that only allows a single instance to be created in a ruby process
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<alex88>
workmad3: so work as an Instantiable class and define the instance as global variable in the initializer?
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<workmad3>
alex88: or, much more preferably, give sample code using connection_pool to show how to create a thread-safe pool of clients that you can check out ;)
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<workmad3>
alex88: that way you don't screw over people who run multi-threaded clients or servers using your library ;)
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<alex88>
workmad3: shouldn't people using multi-threaded things instanciate a client for each thread?
<workmad3>
alex88: that's what connection_pool does
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<workmad3>
alex88: and if you've got a setup process that only allows the creation of a single client... you just screwed over every multi-threaded app out there :P
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<alex88>
well making it an instanciable class let you have n clients
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<workmad3>
alex88: at which point, I'd still use connection_pool... but I'd be forced into using it to make sure only 1 thread was accessing the client at a time ;)
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<alex88>
ok gotcha, gonna have a look at that! thanks a lot man!
<redjack1964>
qtbindings (4.8.6.0 ruby x86-mingw32) does x86-mingw32 means it is available only for Windows?
<ericwood>
redjack1964: it's there to support it on windows most likely
<ericwood>
the github page shows it supports a ton of platforms
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<workmad3>
redjack1964: that says that there's a 4.8.6.0 for plain ruby, and a specific build for x86-mingw32
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<workmad3>
redjack1964: the plain ruby version will have native extensions that should compile on most *nix platforms (as long as you have QT dev headers and libraries available, I suspect)
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<workmad3>
redjack1964: but getting a sane compilation toolchain on windows can be difficult to impossible... so it's fairly common for gems with native extensions to provide pre-built binaries for windows under the x86-mingw32 platform
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<redjack1964>
workmad3, ok :)
<gregf_>
ericwood: php guys would do this: a,b = [1,2,3],[4,5,6];while 1; a.unshift(b.pop); break if b.length == 0;end; a :/
<ericwood>
kill me now
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<workmad3>
rpag: why couldn't they have just used :: like so many other languages? :P
<shevy>
one \ is better than two chars though
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<workmad3>
rpag: other than because they'd already been idiotic morons and used :: for something else? :)
<shevy>
why is there a leading \ though?
<rpag>
workmad3, i dont think it was technically possible
<rpag>
yeah
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<havenwood>
i think a better delimiter for them would have been: (╯°□°）╯
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<rpag>
hahahaha
<workmad3>
how about `rm -rf`?
<workmad3>
err, `rm -rf /`
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<workmad3>
that would have been a fun 'namespace delimiter' >:D
<eindoofus_>
hi, i'm learning the ruby language and i was just wondering if there is any major difference between 2.0.0 and 2.1.5 that would affect my studies?
<ericwood>
workmad3: love the inject solution
<jhass>
rm -rf .* is much better
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<workmad3>
jhass: `ls -a /**/* | rm -f`? :D
<jhass>
.* already does that
<rpag>
starting to look like namespaces in perl now
<jhass>
matches ..
<jhass>
and recurses into that
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<eindoofus_>
jhass, already have 2.0.0 installed. will eventuall install 2.1 but i don't want to waste time with the environment right now if possible
<jhass>
sure, go ahead
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<eam>
workmad3: why the two stars?
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<havenwood>
eindoofus_: 2.0 is fine for learning. It's a short list of changes to catch up to 2.1.
<eindoofus_>
thanks
<havenwood>
nothing to unlearn, your code will work in 2.1 ;)
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<workmad3>
eam: so I could drop the -r from rm and rely on ls to keep on going in the presence of permission issues (not sure rm -rf does anything if you don't have permission for the starting point)
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<shevy>
try rm -rf /*
<rpag>
it roots your machine, and then proceeds to delete everything when that happens
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<workmad3>
shevy: ooh... should I use that with sudo, yeah? :D
<shevy>
workmad3 no, sudo users must not use dangerous code
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<workmad3>
shevy: aww, you ruin all my fun :(
<eam>
workmad3: I mean, ** is the same as * inside ``
<shevy>
eam knows all the ancient tricks
<eam>
(also, you need xargs)
<shevy>
he was there when unix was born
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<workmad3>
eam: 'ls *' and 'ls **/*' return very different things inside `` on my machine :/
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<shevy>
one returns cats
<shevy>
the other one candy
<workmad3>
oh... but same as 'ls */*'... I see what you mean
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<shevy>
will there be a x-mas release of ruby?
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<eam>
workmad3: nope, they are identical
<eam>
echo *|md5 ; echo **|md5
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<eam>
unless your machine has some crazy non-bourne shell /bin/sh
<workmad3>
eam: echo **/*|md5
<eam>
workmad3: ** and * are the same, the / doesn't matter
<benzrf>
ive been bourne again
<shevy>
the more * the better
<eam>
in zsh ** recurses, but /bin/sh isn't zsh
<shevy>
let's consolidate on ***
<workmad3>
eam: ah... I use zsh :)
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<shevy>
benzrf you have the monad shell
<eam>
shevy: also the same as *!
<eam>
workmad3: yeah, but you won't get zsh in ruby ``
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<workmad3>
eam: I do :P
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<ericwood>
you can do `zsh`
<workmad3>
eam: but I agree that you can't rely on it universally
<eam>
workmad3: did you replace /bin/sh on your system?
<workmad3>
nope
<ericwood>
you use chsh
<ericwood>
or change the login stuffs
<workmad3>
I used chsh, yeah
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<eam>
chsh will not change ruby's 11
<eam>
``
<eam>
doesn't matter
<eam>
your login shell is unrelated to the shell ruby uses to parse backticks
<ericwood>
exactly
<ericwood>
but you can tell code to execute with zsh
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<ericwood>
`code | zsh`
<eam>
sure, or use other symbols or any other number of things which weren't used above :)
<Solsist>
hello everybody! i am new to ruby, i would like to ask you if i can promt the user for entering an integer and let ruby to create as many arrays as the integer promted by the user, and every array with Random.rand...
<wasamasa>
yes
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<centrx>
yes, you can
<workmad3>
eam: I think this is getting rather too pedantic for a flippant suggestion about PHP being idiotic btw ;)
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<eam>
you can run php in ``~
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<Solsist>
thank you something like puts"...." n=gets.chomp
<workmad3>
eam: yeah... my suggestion was that the `` thing should be used by PHP for namespace separators
<Solsist>
and then?
<workmad3>
eam: so it wasn't really regarding ruby anyway :P
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<workmad3>
eam: and I hadn't exactly bothered to make sure it was something that would work universally either ;)
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<shevy>
Solsist yes. one step at a time. via gets, you get user input. that is step #1
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<jhass>
Solsist: convert it to an integer, have a look at the docs for the String class
<shevy>
now you have finished step #1, it is time to go to step #2. you need to take that input, and create n arrays
<workmad3>
eam: but still... it seems that you're right, `` just hadn't changed the $SHELL value while still parsing with /bin/sh
<Solsist>
yeah thats where i got stuck
<shevy>
Solsist here is an example of creating a 5x5 matrix
<workmad3>
work_op: fair enough... I think it's a slightly older book though, btw... enumerators have changed quite a bit in recent versions of ruby
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<work_op>
i picked this one up because Matz's name is on it, but I'm more than open to something up to date. I def want to be up to date
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<havenwood>
work_op: you have the 1.9 version of The Ruby Programming Language, yeah?
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<havenwood>
that's a good book
<havenwood>
'the Sparrows'
<tibbon>
Looking through the Ruby source; where is the unary operator method defined for usage in symbol to proc? (&:reverse) I see the sym_to_proc in string.c
<work_op>
i was using 2.1, just because it's the latest
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<jhass>
tibbon: yes, & calls .to_proc on its operand, you can't completely redefine it
<havenwood>
work_op: as long as the book is 1.9+ everything's copacetic
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<jhass>
tibbon: so you got the right method
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<work_op>
i figured as much. so whats the best book then? like i said, i chose matz since he's an authority figure, but im open
<tibbon>
jhass: Mostly looking to see how they made it happen, out of curiosity. I see where they define the .to_proc method, but not the & operator in the C code
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<havenwood>
work_op: i like the book you have (assuming it's the one i'm thinking of). was just confirming it is the Sparrow you're talking about.
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<havenwood>
i didn't notice that ruby-2.2.0-preview2 came out over the weekend
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<adam12>
I'm using self.inherited(base) and base.class_eval to ensure included modules are available in subclasses. Does this sound right? I would assume including in the super class would make the methods available in subclasses.
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<centrx>
Try and enjoy programming with Ruby 2.2.0-preview2, and report us your knowledge!
<centrx>
adam12, You shouldn't need to do anything special to make mixin methods be available in subclasses?
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<adam12>
centrx: That was my thoughts, but just using Class#include inside the super class isn't making the mixin methods available in the subclasses.
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<Hanmac>
adam12: what methods are you talking about? can you show us an example?
<adam12>
Let me put something together quick.
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<fxn>
adam12: that happens if there's one level of indirection, that is, if you include a module in a mixin
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<fxn>
so, if M is include in C, and after that you include N in M, C instances do not respond to the methods in N (which is kind of incosistent)
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<evanjs>
mmmmm meds
<adam12>
fxn: Thanks. I didn't realize that.
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<adam12>
Anyways, I can't reproduce my issue now. Just calling Class#include inside the base class without any Class.inherited magic works as I assumed it would.
<fxn>
adam12: it's a gotcha, Ruby linearizes the ancestor chain, and does not update it if included modules get their own chain modified, modules in MRI do not have links back to where they are included to be able to update
<fxn>
if method lookup was truly dynamic, those methods should be found
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<tsyan>
Does anyone know why '&' was chosen as the operator for Ruby's symbol-to-proc implementation?
<tsyan>
For example some_objects.map(&:foo). I understand that '&' is the unary ampersand, that it's calling .to_proc on :foo, and then passes the resulting block { |x| x.foo } as the argument to the .map method.
<tsyan>
I understand what's going on, but I want to know why it makes sense to use '&' for this functionality rather than some other symbol or word.
<jhass>
which symbol would make more sense in your opinion?
<tsyan>
(sorry for extra lines, pasted from Sublime)
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<havenwood>
tsyan: there're only so many symbols
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<havenwood>
that are only a shift away*
<tsyan>
but & already has lots of meanings
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<tsyan>
jhass: not sure what I would choose instead. probably a word.
<Hanmac>
tsyan: there are only a few symbols that can be typed with the qwerty keyboard ... and its not a problem to reuse operators if it does make sense
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<tsyan>
sure, but why pick that one? it sounds like you're saying it was picked at random, and I would guess that wasn't the case.
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<Hanmac>
tsyan: i already have a problem with the "->" stabby lambda ...
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<Hanmac>
tsyan: and it was good that it was a one-symbol operator used for the block/proc thing, otherwise you would save less chars from it
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<tsyan>
hanmac: yup, I agree, but that doesn't answer the underlying question
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<tsyan>
@shevy off the top of my head, maybe ^, as it only has one other common meaning which is exponent, and it's fairly obvious exponents wouldn't apply. ^ also seems to indicate converting to something because it's somewhat arrow-like. It's a tenuous connection, sure, but I'd say it's better than & which already has a strong meaning of joining two thin
<tsyan>
gs.
<shevy>
hmm
<rpag>
shevy, before 25th
<shevy>
array.map(^:to_s)
<peteyg>
Is there a way to tell Ruby execute a certain block of code for x amount of time? Semantically, I want to do something like: "Execute { block } for 5000 milliseconds. If it did not return in that time, throw Timeout error."
<bulters>
Is this the right place to ask about license stuff for Gems?
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<shevy>
bulters you could try #rubygems - the caretakers are on that channel like drbrain
<bulters>
shevy: thanks, will try
<shevy>
and he is not here on #ruby :(
<shevy>
neither is chris2 ... nor manveru ... there are a lot of people on other channels but not on #ruby ...
<rpag>
he's with the cool kids in #ruby-lang
<shevy>
yeah
<shevy>
our enemies
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<shevy>
the SPLITTERS
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<bulters>
omg... fractions within fractions
<peteyg>
What's the difference between this channel and ruby-lang?
<shevy>
from the popular people's front
<bulters>
peteyg: probably politics
<peteyg>
bulters: Oh :(
<bulters>
left-wing rubyist vs right-wing rubyists
<shevy>
peteyg we bringt light, they bring darkness!
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<bulters>
some prever (1..2).to_a, others prefer (*0..2)
<bulters>
erm [*0..2)
<bulters>
I'm away, learning to type again...
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<shevy>
peteyg in more seriousness, I think #ruby was registered first (not sure), the channel owner vanished or so, so #ruby-lang got used (I think) and somehow sticked to it ... but I might be totally wrong
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<peteyg>
Huh, interesting.
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<peteyg>
So I should lurk in both channels to get maximum ruby exposure :P?
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<bulters>
peteyg: One can only handle a certain amount of exposure
<shevy>
peteyg I guess you'd get more discussion in total
<bulters>
I mean... rubies "radiate"... we all know too much radiation is bad for you
<peteyg>
Hahaha :P
<shevy>
for me it is too much to handle so I stick to #ruby only; plus I must register to talk on #ruby-lang and I can't do that
<havenwood>
bulters: don't forget the `3.times.to_a` folk!
<peteyg>
shevy: Why can't you register?
<bulters>
havenwood: arent those lurking in #rails?
<havenwood>
bulters: if it works without ActiveSupport, it is unholy!
<bulters>
true
<peteyg>
Wow, 3.times.to_a? Dang, that's a thing? Learned something new today...
<bulters>
peteyg: know it, forget it... :P
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<bulters>
havenwood: talking about falling of the end-of-the-world... Is there a map of some kind which shows where ruby-land begins and rails-world ends?
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<havenwood>
bulters: it begins by going down the rabbit hole: gem install rails
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<some_stranger>
if you overload an array accessor, and then overload the []= method, does that second overload take into account the first?
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<rpag>
ruby doesnt have method overloading
<rpag>
it just redefines the method
<rpag>
first definition is lost
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<some_stranger>
for arrays
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<some_stranger>
like def []
<rpag>
yeah it redefines the method
<some_stranger>
if i redefine [] and then define []=. does []= use the new [] or the old []
<some_stranger>
fine
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<apeiros>
[]= is unrelated to []
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<apeiros>
they are separate methods
<crome>
they are 2 different methods
<rpag>
it doesn't use [] at all, but depends on your implementation of []=
<some_stranger>
i know that
<apeiros>
it's like asking "if I redefine foo, does bar use the old foo or the new"
<rpag>
it would use the new one, if you used it from []=
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<The_NetZ>
hrm.... question. I can compile 2.1.5 on archlinux for x86_64, i686, and mingw-w64, but trying the same against ruby trunk fails.
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<apeiros>
and as rpag already said - if you redefine a method, the old one is gone
<apeiros>
so no matter from where you call it, the new one will be used.
<The_NetZ>
on extinit.c I get a helluvalotta undefined references to Init_{standardextshere}
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<The_NetZ>
I know what Init_bigdecimal is, for example. its the function that gets called when you require 'bigdecimal', but checking extinit.c on trunk and 2.1.5 shows the same code.... bit befuddling.
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<ericwood>
glad we have a gem cache server here...
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<The_NetZ>
great.
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<chaos_>
Hello, I'd like to implement something similar to this chess.com/explorer in Ruby, specifically the part where the pieces move around drag and drop, can someone recommend what technologies/classes I would need to achieve that
<s2013>
i cant seem to instlal gem
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<havenwood>
s2013: dns servers are being ddosed
<rpag>
havenwood, why?
<havenwood>
rpag: likely fun or profit. i'm not the one doing it! :P
<rpag>
if you want to be on the attacking side apparently you get a plane to china
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<redjack1964>
what is this syntax ? button = Gtk::Button.new :label =>'Button'
<redjack1964>
:label => '..'
<redjack1964>
?
<rpag>
it's a hash literal
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<rpag>
creates a Hash object
<redjack1964>
ah ok
<redjack1964>
thanks
<jjconti>
redjack1964: as first param of new
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<jjconti>
it's the same as Class.new({label: 'Button'})
<redjack1964>
thank you for example
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<shevy>
redjack1964 hey you are learning ruby gtk
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<eam>
<?ruby
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<shevy>
eam better than php!
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<NGC3982>
I'm new to Ruby. I'm trying to install subbot (from git hub) and it tells me to 'bundle install'. It tries to connect to rubygems.org - which seems to be down.
<NGC3982>
Is there any way around it, or do i wait for the site to go up again?
<shevy>
NGC3982 yeah it is down, can't install gems from there right now
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<shevy>
in theory if you were to use non-rubygems.org gems, but not sure if there is a clean way to force that
* NGC3982
is not even sure why he needs more online content.
<NGC3982>
Ok.
<shevy>
you just need to fullfil the dependencies
<shevy>
I always keep gems I use locally too
<NGC3982>
Ok.
<_1_mohammed2>
:'(
<NGC3982>
The thing is, when the site is up i know i'll get an error message (i was originally about to contact you guys for).
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<NGC3982>
But i'll wait.
<NGC3982>
Better not make bad things horribly more worse.
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<shevy>
that sounds exciting
<shevy>
to wait and wait - just for an error to come next
<jjconti>
there should be a mirror
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<NGC3982>
shevy: I know. When i got it while installing the application last night i notet that the error message was horribly hard to google, and i did not really understand it.
<NGC3982>
But yes, i'll wait (or i'll have to re-install linux again).
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<dr4>
can anyone help me out with mod_ruby? ;_; tried 3 distros and nothing worked so far
<redjack1964>
rubygems.org is down :-(
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<centrx>
dr4, I think mod_ruby is ancient and no one uses it
<jrochkind>
as far as security, I dont' know if there's any reason to choose one over the other, they all ought to be secure. (Aside from WEBrick, which just cause nobody uses it for production and it's not intended for such, might be more likely to have security problems)
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<jrochkind>
For ease of use with good performance, I personally like passsenger a lot.
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<jrochkind>
passenger installs fine on centos, i've done it.
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<dr4>
ok, thank you
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<dr4>
passenger it is then
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<dr4>
did you use apache or nginx? or is that a stupid question?
<dr4>
because I'd like to use apache
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<jrochkind>
not a stupid question. i use apache. many people use nginx. use whichever you already have and are comfortable with.
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<jrochkind>
unless you feel like learning nginx, just use apache, sure.
<dr4>
hm, no, I like nginx
<dr4>
but I have only worked with apache so far
<jrochkind>
ha, you just said you'd like to use apache!
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<jrochkind>
you can use either one, both will work fine. nginx is thought to have better performance. the difference is probably of no account unless you are at a very large scale.
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<dr4>
yeah, it's not high demand
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<jrochkind>
some people like nginx better, it's got somewhat more sane configuration and such. either will work fine with passenger.
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<jrochkind>
you have to recompile nginx to install passenger, since nginx doesn't have plugins. apache is probably simpler. i don't really know, i've only used apache.
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<jrochkind>
passenger installation should be straightforward either way, the passenger team is really good at making things that Just Work.
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<nateberkopec>
toertore: properties?
<apeiros__>
god I hate those assholes (the dos'ers)
<apeiros__>
toerte… :D
<toertore>
dosers are assholes, this is true
<jrochkind>
toertore: `about`? `metadata`?
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<toertore>
nateberkopec: best one yet
<nateberkopec>
better probably to pick something based on the kind of data you were storing
<jheg>
banzrf nah I aint got leathery wings
<lucianosousa>
another DDos? hacksummit already said is that the problem with them today
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<toertore>
nateberkopec: it's arbitrary :)
<nateberkopec>
ouch
<nateberkopec>
lol
<toertore>
pretty much a shitty key/value store in a table
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<nateberkopec>
Call it PropertyManager ;)
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<jrochkind>
keys_and_values?
<nateberkopec>
not_a_hash
<toertore>
yeah
<jrochkind>
stored_values
<toertore>
mongos
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<jrochkind>
fields
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<toertore>
fields is a good one
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<Rene>
nateberkopec: actually i was trying ton install a gem, and had trouble with getting to https://rubygems.org, so i thouvht that maybe my ruby-install was too old.. apparently https://rubygems.org has the same problem as lvm.io
<toertore>
damnit, i want to use "attributes"
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<toertore>
going with properties, thanks nateberkopec
<nateberkopec>
(thumbsup)
<toertore>
one virtual awkward hug for you
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<nateberkopec>
i feel... awkward.
<toertore>
relax.. just let it happen
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<Rene>
is there existing a mirror for rubygems.org?
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<dotix>
hey guys. What's the best way to create a Hash from an array => %w(key value key value) ?
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<jheg>
to_h
<jheg>
?
<apeiros__>
ha
<apeiros__>
*na
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<dotix>
to_h on arrays? :D
<apeiros>
>> Hash[%w(key value key value)]
<eval-in__>
apeiros => /tmp/execpad-0b0091c748fa/source-0b0091c748fa:2: warning: wrong element type String at 0 (expected array) ... (https://eval.in/229128)
<jrochkind>
the fact that bundler documentation is not currently up makes it more challenging to answer, although there's probably a cached version in google/wayback
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<workmad3>
joshua___: you can use 'bundle pack' to produce a 'packed' bundle, which is a copy of all the .gem files, which can then be installed without network access
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<workmad3>
joshua___: probably better than storing a fully vendored gem repo in your repository, as you maintain at least some machine independence (native extensions will still get compiled on the target machine, rather than simply breaking if you happen to develop on a mac and deploy on debian)
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<workmad3>
joshua___: probably won't help you until rubygems is back up though
<FutureTense>
im trying to install jekyll and other packages but I'm getting a certificate verify failed problem. This is on Windows 8
<joshua___>
workmad3: thanks :/
<joshua___>
I need to deploy desperately
<FutureTense>
oh, is ruby gems down now?
<jrochkind>
ah, i was going to ask about that! how powerful is `bundle pack` for architecture differences though? for instance, concurrent_ruby has native extensions that only work on linux. If I bundle pack on OSX, and move it to linux, do I lose the native extensions?
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<jrochkind>
FutureTense: DNS to rubygems is down, which is causing all manner of problems
<FutureTense>
oh... that makes sense
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<workmad3>
jrochkind: as long as it's a single .gem file, rather than separate platform-specific gems (like the x86-mingw32 platform variants), you'll pack the entire file, so it should work
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<jrochkind>
workmad3: ah, makes sense, I have no way of knowing which are platform-specific gems, but that could def be a problem.
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<workmad3>
jrochkind: it's a problem if you're installing with --deployment anyway
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<jrochkind>
workmad3: why would installing with —deployment make a difference?
<workmad3>
jrochkind: because the Gemfile.lock will then count as being locked to a different version
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<jrochkind>
ah, righto. hmm.
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<jrochkind>
workmad3: wait, I don't think the Gemfile.lock has platform-specificities in it, does it? Needs further investigation.
<workmad3>
jrochkind: I've certainly encountered people where the windows-specific version got locked to and it caused --deployment to flag up an error ;)
<jrochkind>
workmad3: clearly, I'm probably not the only one wondering if there could/should be a way to deal with this in way that works accross platform differences, to create a way to do deploys reliably without weird edge cases, when rubygems is unavailable.
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<workmad3>
jrochkind: tbh, I think it's probably correct that if your Gemfile.lock last saw a windows-specific precompiled version and you're installing on a linux target then there's a definite inconsistency
<eam>
finalizers calling close() :(
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<workmad3>
jrochkind: as for reliable deploys... you could run your own gem repo with mirrored copies of all the gems you need... you could build an omnibus installation of your app with all your gems (and all other required libraries) already installed into it, and then install that as a .deb or .rpm
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<s2013>
damn it. is rubygems still down
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<workmad3>
jrochkind: and you could hook either of those up to a CI build server, so that the build server can push new/updated gems to a repository or build your .deb/.rpm file and push that to a company package repository (preferably starting with dev)
<jrochkind>
workmad3: an automatic mirror is intriguing, built into bundler so every time you install something it stores that thing in your mirror automatically. Still platform-specific issues, though. The platform-specificities seem like the main sticking point, without them gem pack would be fine.
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<workmad3>
jrochkind: so in the case of a failure you're not stopped from deploying your current version, just your builds can't go ahead if they require gem changes
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<jrochkind>
workmad3: in general, I don't think Gemfile.lock has platform-specificness, it just lists the gem version you have installed. But there could be weird edge cases. Ah, so long as the gem has the same name and version on every platform — where it would woudl break where one platform has a dependency on another single-platform gem, like widget-jruby or widget-32linux or whatever.
<workmad3>
jrochkind: I personally don't see the platform issue as a sticking point... if you're looking for reliable builds/deploys, then you should be running your tests, dev and staging servers on at least the same architecture
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<jrochkind>
workmad3: i think it's pretty common to dev on osx but staging/prod on something else.
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<workmad3>
jrochkind: ah, by 'dev' I don't mean 'dev machines' I mean 'dev server' as in 'this is the current absolutely latest version of the code so we know it deploys cleanly and devs can poke at it'
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<jrochkind>
workmad3: i think it's pretty common to not have such a 'dev' environment. :)
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<workmad3>
jrochkind: I wouldn't do without it ;)
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<workmad3>
jrochkind: but still... your CI server producing your builds, staging and prod should be homogenous to at least OS level, IMO
<jrochkind>
you're unusual. I do fine with an OSX dev box, a staging server, and a production server. The problem is that when rubygems is gone, with a typical capistrano setup, there's no good way to go from dev workstation to staging OR from staging to prod.
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<jrochkind>
unless no gem dependencies have changed, of course.
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<shevy>
all breaks down without rubygems.org
<waxjar>
i wonder if there are any p2p package managers
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<godd2>
like a Rubygems Blockchain?
<workmad3>
jrochkind: heh :) I try to stay away from capistrano builds triggered from dev machines... they seem unnecessarily primitive (I'd like to get a company artifact server set up... but alas, no time so I'm still only doing chef-managed installs with bundling happening on deploy)
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<waxjar>
godd2: i have no idea what it would look like
<hydrajump>
has anyone else experienced memory leaks with ruby 2.1.x on heroku?
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<jrochkind>
workmad3: so even in your setup, you're not gonna be able to deploy without rubygems, if gem dependencies aren't already set up on the target machine, right?
<hydrajump>
I'm trying to help a friend diagnose his first rails 4 app.
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<workmad3>
jrochkind: no... but I know the way I'd solve that (as already said)
<workmad3>
jrochkind: and it's nothing particularly novel, tbh
<godd2>
waxjar each push could be a transaction, and then set the difficulty so that every 30 minutes a new block is forged by the network
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<jrochkind>
making custom .deb/.rpm seems like overkill for this to me. But to each their own, it would certainly be one solution.
<godd2>
no wait, the other direction. make blocks happen every minute or so. orphan blocks wont matter if there's no reward for completing a block
<jrochkind>
and now i'm off.
<workmad3>
godd2: rubygems would need to sort out the difficulties in producing signed, verifiable packages before that would be feasible, IMO
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<workmad3>
jrochkind: you could also produce docker images ;)
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<workmad3>
jrochkind: basically all the solutions work on moving the grabbing of dependencies from deploy-time to a build step though (bundle pack, creating a .deb, push new dependencies to a mirror, create a new docker image...)
<workmad3>
jrochkind: hf :)
<jrochkind>
yeah, I like bundle pack, except for the platform specificity issues.
<workmad3>
jrochkind: only time I've seen issues is windows dev -> *nix deploy
<godd2>
workmad3 you mean so that pushes are only possible by the original private key holder?
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<workmad3>
godd2: no, that would be problematic I suspect (orphaned names are a PITA)
<jrochkind>
i can think of other cases where it could be a problem, with native extensions that only install on some platforms. i've been working with ruby_concurrent lately, which does such things, not sure if it does them in a way that would cause a problem here (and they keep reconsidering how they do it too).
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<workmad3>
godd2: but there needs to be a better verification and key distribution setup, so that we can easily verify that the author of a gem is someone we expect/trust
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<jrochkind>
A solution that "should probably work unless one of the gems happens to have done something that is known to break it" is not a trustworthy one, heh
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<godd2>
workmad3 there'd be a separate problem of the size of a push. surely every node wouldn't want to hold on to arbitrarily sized data. that could easily get out of hand
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<workmad3>
godd2: it would be pretty awesome if that information could be embedded in the blockchain too though... along the lines of needing to push a block with your key in it before you could push a gem release
<godd2>
I suppose there could just be a p2p network that mirrors rubygems.org
<workmad3>
godd2: and then the client flags up a warning if a gem author changes, so you can decide whether to trust the new author
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<workmad3>
godd2: or pin a key, so the client only looks at, e.g. a rails gem pushed with the rails key authoring it
<zipper>
Uh what could be causing this error?
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<workmad3>
zipper: if it's an error installing gems, probably that rubygems is down
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<b3itz>
hey guys.. what would the regexp be to search for an IPv4 address in a line?
<b3itz>
im walking through a file searching for ipv4 addresses
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<workmad3>
b3itz: 4 blocks of up to 3 digits, separated by a .
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<zipper>
workmad3: rubygems is down?
<finisherr>
Do “here docs” have string interpolation?
<workmad3>
zipper: DNS issues
<b3itz>
just curious about how to actually write that
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<workmad3>
b3itz: what have you attempted so far? :)
<godd2>
zipper downloading the gems manually is not recommended, but it is a possible alternative if you *neeeeed* them
<zipper>
I don't know the IP address
<zipper>
:(
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<jhass>
check my link
<bricker`work>
zipper: two people have linked you to it in the past 3 minutes
<jhass>
(read more than the initial tweet)
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<workmad3>
jhass: I had issues with an /etc/hosts entry... it worked fine for fetching the source index, but couldn't manage to download from the aws repository mirrors
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<zipper>
jhass: Yeah I'm sorry. I can be stoopid
<godd2>
zipper they give an ip address in a tweet on the rubygems_status account
<jhass>
workmad3: you need a second entry for bb-m., see my link
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<godd2>
lol I like how status.rubygems.org still says everything is okay
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<bricker`work>
lol from twitter: "Lord! You guys have had this problem for years now. Any real solutions in sight? Have Oracle buy your "company"."
<workmad3>
havenwood: did you add a hosts entry? :)
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<bricker`work>
what does it mean to "scrub the traffic"? I've never heard that term.
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<zipper>
Hey it's been a while since I used ruby. ANyway I tried installing some gems and got:
<zipper>
`Your user account isn't allowed to install to the system Rubygems.`
<zipper>
Shouldn't those gems just install into ~/.gem ? I don't see what's so complex. I'm running a bundle install.
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<workmad3>
bricker`work: I guess they have queues of requests that they need to empty out
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<bricker`work>
workmad3: oh
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<bricker`work>
workmad3: why do they need their data center to hook something up to do that?
<finisherr>
Is it possible to pass multple values to an option with any of the existing ruby option parsers?
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<workmad3>
bricker`work: god knows where the queues and bad requests are... wouldn't surprise me if a lot of them were in routers that don't have remotely accessible admin panels to allow them to drop requests
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<workmad3>
bricker`work: I'm working on supposition here, but I can see why they'd need someone at the data-center to sort things
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<workmad3>
bricker`work: hell, even more mundanely than that... their admin access would be at the *back* of the queues of data too ;)
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<bricker`work>
workmad3: heh
<godd2>
So DNSimple's solution to a volumetric DDoS is to increase capacity?
<Rene>
why does not rubygems (and any other big site9 run their own dns??
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<bricker`work>
Rene: $$$$
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<bricker`work>
(and time)
<bricker`work>
but time = $$$ as we all know
<Rene>
bricker`work: it does not cost anything...
<workmad3>
Rene: it costs server resources
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<workmad3>
Rene: an in order to cope with an attack, it costs a fair bit of server resources... and network resources... and administration time
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<Rene>
i have run my own dns for my sites since i have had a server (about since 2000)
<bricker`work>
Rene: maybe you should volunteer to do it for them :)
<Rene>
and it's pretty much set and forget..
<Rene>
all you need is two ip:s..
<workmad3>
Rene: ever been targetted with a DDoS DNS amplification attack?
<bricker`work>
Rene: Offer to do it for them for free
<bricker`work>
I'm sure they would be thrilled
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<godd2>
bricker`work unless they realize that sometimes you get what you pay for :P
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<Rene>
well, if you get struck by DDoS, then it's targeted at you, and you can't do much about it. HAving a big DNS-provider struck by DDoS makes you just suffer :-(
<shevy>
how much do they pay for PHP
<ericwood>
fuck fuck fuck
<godd2>
bricker`work also, my question was out of curiosity. Are there no other solutions to a volumetric ddos?
<ericwood>
how do I get gems installed without rubygems.org?
<shevy>
THIS IS ARMAGEDDON
<shevy>
YOU CAN'T!
<ericwood>
I need curses installed NOW for a presentation in an hour
<workmad3>
ericwood: you go get a coffee
<ericwood>
fucking shit fuck
<workmad3>
ericwood: and cry
<shevy>
hmm I don't have this .gem
<shevy>
otherwise I could upload it quickly
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<ericwood>
I've been preparing for this for a while...ugh...
<workmad3>
ericwood: whereas I go to bed because it's midnight here and I don't need rubygems for another 10 hours :P
<ericwood>
never ran any of my demos since I reimaged my machine
<workmad3>
shevy: with a lot of volumetric attacks, the source IP isn't really the one running the target
<bricker`work>
shevy: it's distributed
<godd2>
2.1.0 removed curses
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<workmad3>
shevy: basically, what you do is you send a packet to a DNS server with a spoofed source IP of the server you want to attack
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<workmad3>
shevy: and the DNS server responds with more data than was in the original packet
<workmad3>
shevy: sending it on to the server you're attacking
<godd2>
workmad3 you seem to know a lot about how to attack rubygems...
<ericwood>
workmad3: well, I'm still boned because installing a new ruby version means installing the other deps for this
<shevy>
godd2 he also wears a pyjama when he goes to bed
<workmad3>
godd2: last time there was a DNS amplification attack, I read up on how they work ;)
<bricker`work>
workmad3: JE ACCUSE!
<ericwood>
which is impossible! ROFL
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<workmad3>
godd2: anyway, I'm off to bed
<shevy>
ericwood can't you download the zip and install it? https://github.com/ruby/curses - setup.rb should work just as gem install should
<workmad3>
godd2: you'll know if it was me if the attack suddenly stops :P
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<soahccc>
workmad3: am I right that DNSsec could protect against amplification attack?
<workmad3>
soahccc: don't think so
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<b3itz>
hey guys, im getting several errors on this line and im not sure why.. im new to regex and ruby together: puts line.scan(?:\d{1,3}\.{3}\d{1,3})
<b3itz>
the first is an unexpected $undefined on the d
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<havenn>
b3itz: a regexp literal starts and ends with /
<workmad3>
soahccc: I'd need to think about it, but aiui, there isn't a way that DNSSec could protect against the way most DNS amplification attacks work
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<ericwood>
fuck. I absolutely cannot live without the serialport gem...which is uninstalled
<workmad3>
soahccc: I'd be interested in hearing your view on it... but I really do need to run
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<workmad3>
soahccc: so maybe I'll pick your brain tomorrow if you're around and I remember? :)
<ericwood>
can someone walk me through installing a gem from source
<b3itz>
havenn: so with puts line.scan(/?:\d{1,3}\.{3}\d{1,3}/) i get a target of repeat operator is not specified?
<workmad3>
ericwood: download .gem file, run 'gem install <file>'
<ericwood>
ah duh
<twohlix_>
just change your hosts file to make rubygems.org go to 54.186.104.15
<twohlix_>
and it should work
<twohlix_>
as a temporary fix.
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<ericwood>
ah thanks
<shevy>
you don't need a gem though, you can use setup.rb too https://github.com/rubyworks/setup - but if you have the .gemspec file you can simply build a new gem from there
<soahccc>
workmad3: my view on what? I'm not a DNS crack :) According to Microsoft DNSsec is more of a problem rather than the solution... Anyway you may zombie my brain anytime ;)
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<shevy>
nope
<shevy>
54.186.104.15 does not work at all
<havenn>
reap the brains before they become zombies!
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<havenn>
shevy: we ddosed it
<shevy>
it's down :(
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<twohlix_>
shevy: works great for me right now :\
<ericwood>
okay, thanks for the tip, this saved my presentation
<soahccc>
I'm really thankful that we only had generic untargeted attacks. Oh well and we ddos'd ourselves once by selling a product for free (which was not intended unfortunately) :S Damn you reddit!
<shevy>
workmad3 go try!
<havenn>
shevy: works stateside
<shevy>
he is from the UK - that's like 50% to europe and 50% to USA :)
<shevy>
but I face the same dilemma... I have to sleep soon
<b3itz>
havenn: ok so i got the line to work without errors.... but its not picking out any IP addresses at all: puts line.scan(/\d{1,3}\.{3}.\d{1,3}/)
<havenn>
just bought another drone, i may have a drone addiction
<shevy>
why do you need the drones?
<shevy>
building skynet?
<chrisja>
I can't ping 54.186.104.15 here in the UK.
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<rpag>
chrisja, thats normal, it's not pingable
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<shevy>
chrisja yay! the pain is shared! let's hug