<avdi>
Ox0dea: unfortunately, this is (as far as I know) the most idiomatic way to do it. It's a an ongoing annoyance to me. I should probably submit a patch of some kind.
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<Ox0dea>
avdi: That it's broadly applicable (Float, Complex, and Rational are also methods, for instance) is appealing, but its being the anomalous case where exceptions for control flow is The Right Thing grates a little.
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<avdi>
Indeed.
<ght>
Indeed, sir.
<baweaver>
handy that there's a major version coming up where changes like this may be more applicable.
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<baweaver>
though that magic comment sounds kinda spooky.
<baweaver>
(compat mode for non-immutable strings run through 3.x parsers)
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<shevy>
hmm the first one has no speed comparison or?
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<ght>
Just in case your'e talking to me, from the first link:
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<ght>
"However, one might argue that it’s like comparing apples and oranges. It would be more fair to compare Ruby with another language of similar nature. A great candidate for such confrontation is Python. It’s a dynamically-typed, interpreted language, just as Ruby. In the distant, ancient times of Ruby 1.8, the faster of two languages was Python. The difference wasn’t nearly as huge as with C++, but it was there. However, the Release of version 1.9 o
<ght>
I"m sure that was cut off, but basically it says what you said, taht Ruby was slow back in 1.8, slower than Python, but has been speeding up with each release.
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<shevy>
this jeremy evans is weird... "It needs to be painful to use libraries that don't support frozen string literals"
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<shevy>
"No library should be mutating a string they don't own as a side effect"
<shevy>
this is no longer ruby then or?
<shevy>
ght sorry, I am sometimes talking to myself :) the first one, the speed comparison question was indeed meant to you, he seems to only draw some connections to "if site xyz is using ruby then it can not be bad", in that speed subsection of his blog
<shevy>
debian alioth used to have good speed comparisons
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<Ox0dea>
What's the cleanest way to make `exec "ruby #$0"` not go forever?
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<Ox0dea>
Ideally without introducing any variables.
<ght>
So we just landed our first cross-platform mobile app client, and considering all the work we do in ruby and RoR, I was considering using RubyMotion for the app development.
<ght>
Any of you guys work with RubyMotion much for cross-platform app dev? The app isn't very complicated.
<pipework>
Ox0dea: Acquire pid, write pid to file with timestamp, kill after n times have passed
<ght>
Anyone here have any general thoughts or feedback on RubyMotion? Any professional experience utilizing it?
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<greencoder>
Is there any way to shorten this line of code: @theme_name = @theme_name.split.map(&:capitalize).join(' ')!
<pipework>
Neither. I don't support their model.
<greencoder>
oops ignore the ! at the end
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<ght>
pipework: Thank you for the feedback, care to elaborate?
<ght>
You don't support their model? What do you mean?
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<ght>
On one hand, it looks nice on the surface, on the other I notice the community isn't massive, which is a little disconcerting, we like a large, active community when possible.
<pipework>
ght: The last time I looked, I had to pay to develop with it.
<ght>
Which is why Rails was attractive.
<ght>
pipework: You do, yes.
<ght>
So that's the issue?
<pipework>
It's why I didn't look any further into it.
<pipework>
I don't know how fantastic it is.
<ght>
I see, thank you.
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<shevy>
Ox0dea I still haven't understood the discussion between mutable versus non-mutable
<ght>
Ox0dea: Do you have or does anyone you know have experience with RubyMotion/
<ght>
?
<Ox0dea>
I'm afraid I don't.
<ght>
No worries, thank you.
<Ox0dea>
Sure thing.
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<Ox0dea>
Ruby is unlikely to become a popular choice for app development any time soon. :/
<ght>
Sure.
<greencoder>
Ox0dea: I meant is there a way that I don't have to repeat the @theme_name twice in the expression?
<greencoder>
I know Ruby has the ! operator but I don't think I can use it in this case
<Ox0dea>
greencoder: Note well the difference between the ! operator and "bang methods".
<pipework>
greencoder: gsun!
<pipework>
gsub!
<Ox0dea>
greencoder: You can't turn a String into an Array and back again without reassignment, no.
<pipework>
If you don't mind modifying the string in place.
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<greencoder>
Ox0dea: Yeah, and alright thanks for the tip!
<Ox0dea>
No worries.
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<Ox0dea>
greencoder: Are you not allowed to use regular expressions? :P
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<greencoder>
Ox0dea: Nah I can use it lol. I was just wondering if there was a way around reassignment. I'm prob gonna go with that method you showed me, thanks a lot
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<Ox0dea>
Fantastique.
<Ox0dea>
Note well that upcasing the first letter isn't quite the same as #capitalize, but I suspect the difference to be irrelevant for your purpose here.
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<pipework>
#titleize from Activesupport?
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<Ox0dea>
greencoder: For what it's worth, you *can* change the class of an object in-place with Fiddle, but then the data at that memory location becomes gibberish.
<Ox0dea>
Unless you use Fiddle to modify the memory as well. :)
<Ox0dea>
But that's devious and likely to get a few kittens killed.
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<greencoder>
I shall stray away from that path then
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<al2o3-cr>
heh
<al2o3-cr>
cocker
<pipework>
spaniel?
<al2o3-cr>
maybe
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<al2o3-cr>
Ox0dea: jeez
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<al2o3-cr>
Ox0dea: You might want to that to some use!
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<Ox0dea>
I'm gonna need a translator.
<al2o3-cr>
Ox0dea: you read very clear
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<netz>
hallo o/
<Ox0dea>
\o
<netz>
anyone care to point me at a good regex guide/tech spec/etc in pdf format I can load on my android and read on break at work?
<al2o3-cr>
?code netz
<ruboto>
netz, We can't help you without your code, please post it to https://gist.github.com
<netz>
no code yet. I don't really know regex but I get the feeling I need it for a project I'm cooking in my head.
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<netz>
are regex's more or less the same in every language, aside from the language specific syntax?
<al2o3-cr>
netz: similar
<bougyman>
sometimes similar
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<pipework>
netz: Ruby's regex isn't standard and doesn't support everything.
<netz>
so what scripting language would you suggest that is standard and supports most everything?
<bougyman>
loaded question
<bougyman>
pcre is used in a ton of things.
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<netz>
I found a site txt2re.com or the like that can generate them for you based on a text sample, but I'd rather learn how to actually do it
<bougyman>
Which is the exported perl compatible regular expressions.
<netz>
ooo nifty, I've always wanted a reason to learn perl :)
<bougyman>
there's a book called Mastering Regular Expressions that's worth a read if you really want to learn regex.
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<bougyman>
tons of online resources, too, of course.
<ght>
At some point I need to sit down and memorize regex.
<pontiki>
really good book, bougyman
<bougyman>
regex isn't something to memorize.
<al2o3-cr>
^true
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<netz>
true to what, something to not memorize?
<al2o3-cr>
ask Mr 110111101010
<Ox0dea>
Hey, that's me!
<pontiki>
most regexp syntax can certainly be memorized; must like any other language syntax
<bougyman>
the more I learned regular expressions, the less I found myself using them in code.
<pontiki>
but the more advanced uses i still look up
<bougyman>
memorizing the syntax, sure.
<Ox0dea>
pontiki: How many \p{} groups do you know? :)
<netz>
I get the feeling this project is going to need lots of regular expresions :P
<pontiki>
almost none
<bougyman>
netz: theyn you're probably doing it wrong.
<bougyman>
pontiki: do you know all the [[:alpha:]] variants of character classes?
<pontiki>
nope
<Ox0dea>
bougyman: They're basically all the ones from ctype.h, no?
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<pipework>
I'm fond of removing regular expressions from codebases unless they make heavy use of Regexp.union
<pontiki>
i know alpha, alnum, punct, space, digit off the top
<al2o3-cr>
^yeah
<netz>
basic idea is a bit of reverse engineering (how the hell do you spell that... never get it right) automation. I have say a binary foo; and i have partial source code to that binary, so I'd disassemble foo and compare it to the disassembly of the object files, hopefully in a semi-automated fashion
<pontiki>
but when i go look at the regexp in the URI module i am deeply humbled
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<pipework>
pontiki: It's a lot easier to be humble when you're intimidated as fuck.
<pipework>
amirite
<pontiki>
idk; i don't feel intimidated by them...
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<bougyman>
when I see a big bad regex I just run it through a little awk I have that turns it into pretty /x mode.
<bougyman>
then I comment it.
<al2o3-cr>
`resolv` as got the best ipv4/6 regex
<pipework>
pontiki: You are a sturdier chum than I.
<pontiki>
pipework: YEARS of perl
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<pipework>
pontiki: Regular expressions just feel like two-way puzzles. "How does it work? What the fuck is it really for?"
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<pontiki>
they are sorta that; write only code
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<bougyman>
what is it for? to confuse anyone who comes after you.
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<pontiki>
in ruby, i find i use them hardly at all
<pontiki>
or i find i use really really simple ones in conjunction with better ruby methods
<bougyman>
if you really want job security, use a lot of /(?<var>fo+)/ =~ 'foobar'; p var
<bougyman>
"foo"
<pipework>
pontiki: I make larger more complex ones by using lots of Regexp.union and comments.
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<bougyman>
it is nice to combine snippets with union when a monster is needed/warranted.
<pontiki>
i will explore union more; i haven't really looked at it at all
<pipework>
pontiki: I've been thinking that I should name my gems with a random uuid generated from an offline-only machine and then register domains with that uuid.
<pipework>
No more caring about if the gem name is taken.
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<pontiki>
you might be mistaken for a russion cracker
<baweaver>
it's bad form to straight tell them to google their error messages
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<baweaver>
even though that's pretty well what I'm doing and clicking the first link that looks relevant.
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<Radar>
<helpa>If you're going to tell someone to "Just google it" or "RTFM", tell them what terms to use on Google exactly, or link them to the place in the documentation.
<Radar>
^ It's why helpa has that rule.
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<Radar>
baweaver is doing the right thing :+1:
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<baweaver>
Someone's been cheating on IRC with Slack.
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<Radar>
Sure have,.
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<baweaver>
ah, TIL that Model.joins(:other).where(other: {name: 'foo'}) and Model.joins(:other).where('other.name = ?', 'foo') do different things
<miah>
sadly :/
<baweaver>
(don't feel like authing to rails right now)
<heyrhett>
apeiros: I just made this. http://githero.com/ If you write up the feature as an issue, I'd love to add it and help promote it
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<apeiros>
ah, I thought you were looking for something to do yourself
<heyrhett>
I might do it myself :)
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<heyrhett>
do you think issue 26 is a 4 hour issue? mind if I add it?
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<apeiros>
yes, I think it's quite probably solvable in 4h
<heyrhett>
ok, added apeiros !
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<GeorgesLeYeti>
Hi
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<bankair>
Salut, Georges
<adaedra>
Salut
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<GeorgesLeYeti>
Salut bankair & adaedra
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<bankair>
Guys, did someone give a try to dynamoid ? Is it painful to use ?
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<GeorgesLeYeti>
I'm using a websocket appliction where i'm suppose to send a 16'000 bits chunk audio file but in the other hand i'm receiving these audio files every 10 sec into a folder. But my problem is when i send the last chunk of these 10 sec audio file, the chunk size is bellow 16kbit and this mean to this websocket the end of file.
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<GeorgesLeYeti>
So I thougt about diffrente possibilities: 1st keep the last chunk and concat him with the next audio file. 2nd fill the last chunk with blank until it made 16kbit (don't find yet how to do this). 3rd (find this one ugly) Close the websocket and reopen it avec each 10 sec file.
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<[k->
?ot Ox0dea
<ruboto>
Ox0dea, this seems to be off-topic. Please move your discussion to #ruby-offtopic, to keep this channel free for Ruby related problems. Thanks!
<harryk>
hello
<apeiros>
hi harryk
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<Ox0dea>
KINGSABRI: You know you can use CGI#header to access cookies, yes?
<Ox0dea>
You initially mentioned that you were having trouble properly parsing query parameters.
<Ox0dea>
Does PHP still make the kitchen sink available via $_QUERY? :P
<adaedra>
Maybe if you ask it in hebrew
<Ox0dea>
::
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<KINGSABRI>
Ox0dea: the cookies get sent by javascript to another server
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<KINGSABRI>
the server gets this cookies and store it in a text file
<Ox0dea>
KINGSABRI: You're trying to do PHP in Ruby.
<Ox0dea>
You should stop.
<KINGSABRI>
No no
<Ox0dea>
It's 2015.
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<scepticulous>
^^
<KINGSABRI>
the main issue is exploiting xss and inject javascript to send the cookies to another server
<Ox0dea>
This guy.
<KINGSABRI>
the server has the cgi script
<alex88>
hi guys, the system command does some escaping in this case? https://gist.github.com/alex88/e52d93f6c6d55c256f80 since running it from command line it works fine, running it from ruby I get the error above
<KINGSABRI>
forget about php ,, I just tried php for PoC
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<alex88>
maybe ..."-ldflags", "-w -X github.com/rancherio/rancher-compose/version.VERSION #{version}".. will still make the whole argument stick to the ldflags parameter?
<adaedra>
alex88: remove the single quotes from the system line?
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<alex88>
adaedra: what? won't make it -w the only parameter to ldflags?
<Ox0dea>
Yeah, the quotes need to remain.
<alex88>
Ox0dea: since with "-ldflags", "-w -X github.com/rancherio/rancher-compose/version.VERSION #{version}" it works, but I'm not sure system will make it a ldflags argument or it just concat the strings
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<adaedra>
er
<adaedra>
if you use the system with multiple arguments, it won't do shell interpretation, so giving arguments raw
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<alex88>
oh wait, I've tried another thing: with ..."-ldflags", "-w -X github.com/rancherio/rancher-compose/version.VERSION #{version}"... in ruby it works
<alex88>
which from homebrew's output it seems to run "go build -ldflags -w -X github.com/rancherio/rancher-compose/version.VERSION 0.2.6 -o bin/rancher-compose "
<Ox0dea>
That's unlikely to be what you want?
<alex88>
but if I run that command exactly as it is in command line, I get a go exception
<Ox0dea>
Right, that was to be expected.
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<alex88>
Ox0dea: ok, so system sets the "-w.. etc" thing as an argument of "-ldflags"
<alex88>
as if I type -ldflags="-w...etc" in the terminal?
<adaedra>
alex88: the shell will remove the quotes an make it one argument, keeping the spaces. System will give the arguments directly, without further modification.
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<alex88>
adaedra: ok, so it just concats the arguments?
<Ox0dea>
alex88: Ah! No '=' for -ldflags.
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<Ox0dea>
Just "-ldflags 'foo bar'"
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<adaedra>
alex88: no. It keeps arguments as an array and gives them directly to the called process.
<eightfold>
hello. i have installed jekyll via ruby gems like this: gem install jekyll --user-install
<alex88>
oh ok, so the 'foo bar' is a one argument of -ldflags for the shell
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<eightfold>
how should i update it correctly?
<Ox0dea>
Right.
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<alex88>
Ox0dea: ok thanks, so it's what I wanted
<alex88>
thanks adaedra
<eightfold>
i’m so burned by failed ruby/gem installations
<Ox0dea>
alex88: Yep, should do.
<Ox0dea>
You're forgiven for assuming that a "long arg" would need the equal sign. :)
<Ox0dea>
Then again, that's probably why the Go team chose to prefix it with a single hyphen.
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<penso>
I can't figure out why I can't require something working on its own
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<cek>
Don't quite get what's going on with ActiveSupport overloaded objects.
<cek>
take 1.day, for ex., it's of Fixnum class, but when trying to see included_mods in metaclass, it's empty!!
<oz>
penso: something is messing w/ require, try not changing "$:" and use require_relative instead.
<cek>
but what the heck overloaded #inspect method then? It's clearly not a simple Fixnum class anymore...
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<cek>
5.days.instance_exec { class << self; puts self ; end } => #<Class:#<ActiveSupport::Duration:0x00000007bc04d8>>
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<cek>
5.days.class => Fixnum well, this is weird
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<oz>
cek: `5.days.class` is a ActiveSupport::Duration, not a Fixnum.
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<oz>
or maybe it depends on ActiveSupport versions? I'm not a Rails expert. Maybe on a RoR chan, you'd get good answers. :)
<adaedra>
?rails
<ruboto>
Please join #RubyOnRails for Rails questions. You need to be identified with NickServ, see /msg NickServ HELP
<cek>
yes, why it showed Fixnum then
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<[k->
dig the source
<[k->
find activesupport::duration
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<arup_r>
What is the sweet way to get [1] from "[1]"
<arup_r>
?
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<arup_r>
or from [1,2,3] from "[1,2,3 ]"
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<jhass>
arup_r: JSON.parse
<jhass>
now don't tell this isn't json
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<[k->
isnt json able to execute code
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<jhass>
JSON.load is
<jhass>
iirc
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<arup_r>
jhass: I said Rails will do it :/
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<jhass>
whatever, I noticed you crossposted without telling so, so I'm gonna ignore you now
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<[k->
jhass is like our crossposter crusader!
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<arup_r>
jhass: Sorry to say you.. you are wrong.. I didn't crospost
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<arup_r>
Please be responsible while you are accusing me... :/
<jhass>
changing the wording / removing context of your question doesn't change the fact
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<arup_r>
I will never ask what I asked here in Rails
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<arup_r>
jhass: it does..
<jhass>
you did, you just removed a bunch of useful context
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<arup_r>
jhass: Again I am telling.. please be responsible...
<arup_r>
it is not Rails What is the sweet way to get [1] from "[1]"
<arup_r>
it is Ruby..
<jhass>
alright, let's play the game
<jhass>
so where does "[1]" come from?
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<arup_r>
I got confirmed from that channel I can't get the array as I am expecting... So the story is end there
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<arup_r>
That means I have to do it by myself
<arup_r>
and I was looking for good way to do it
<jhass>
I see, so much for "wrong" accusations
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<arup_r>
jhass: pls.
<jhass>
answer my question then?
<arup_r>
It is not a crosspost.
<jhass>
answer my question then?
<arup_r>
That's it ... I didn't ask What is the sweet way to get [1] from "[1]" in both channel
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<jhass>
answer my question then?
<arup_r>
that proved I am not crossposting..
<jhass>
I can do this all day, it's two keypresses
<arup_r>
I wouldn't answer you
<maloik>
arup_r: he's asking where "[1]" came from
<TomyWork>
guess what this translates to in a heredoc: sed -ri 's#/usr/bin/ruby$#\01.8#' /usr/bin/puppet
<TomyWork>
the \01 becomes the character with ascii code octal 1
<jhass>
yup
<arup_r>
maloik: I did say that... and that is why he mentioned I am crossposting
<maloik>
well at this point you're just blowing your chances to get help because you're not giving us any kind of helpful info to help you solve your own problem
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<arup_r>
17:34 arup_r jhass: I said Rails will do it :/
<jhass>
maloik: fyi, in #RubyOnRails: "From iOS app when sending a PUT request, I am getting array params as "judge_ids"=>"[1]". Can I handle it in Rails, so that I can receive the like `"judge_ids"=>[1],`.. ?"
<arup_r>
s/said/thought
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<maloik>
jhass: yep I spotted that
<arup_r>
jhass: After that there was too many discussions... and finally confirmed I can get by Rails internal
<maloik>
that's where I was going with this... the actual answer to the problem is "get your iOS to send the params correctly"
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<jhass>
^ and thus the actual question is the same, you just stripped all useful context here
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<maloik>
yep
<arup_r>
maloik: nah... you are just supporting him with No reason. My question was very straight... I didn't mention any Rails.. I just asked it
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<maloik>
LOL :D
<jhass>
?xy arup_r
<ruboto>
arup_r, it seems like you are asking for a specific solution to a problem, instead of asking about your problem. This often leads to bad solutions and increases frustration for you and those trying to help you. More: http://meta.stackexchange.com/a/66378
<jhass>
that's what would've happened if you didn't post the more specific question in #RubyOnRails
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<arup_r>
jhass: I know how to get out the answer.. So.. I know it.. I didn't ask them .. that..
<jhass>
the underlying problem is the same, if you can't see that's just a sad for a programmer
<arup_r>
jhass: No.. What I am expecting can't be done from there end..
<kyrylo>
arup_r, couldn't you just eval?
<arup_r>
nah.. that is dangerous!
<arup_r>
:)
<kyrylo>
how's eval('[1]') dangerous? :P
<mikecmpbll>
arup_r: why don't you want to pass the array params in the proper way?
<arup_r>
jhass: mike replied perfectly "and by the way, understand that request parameters are always strings, rails will do a lot of stuff to them though."
<arup_r>
and that is the answer
<mikecmpbll>
k
<arup_r>
so Rails does this when I am using the `form` helper.
<mikecmpbll>
arup_r: no, it does it irrespective of the form
<arup_r>
but while request is coming from iOS app .. or some other soource.. It can't be done as I am expecting..
<mikecmpbll>
arup_r: i didn't say anything about forms in that sentence :) i even provided you an example of how to format parameters to get arrays on rails side
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<maloik>
>> JSON.parse('[1]')
<ruboto>
maloik # => uninitialized constant JSON (NameError) ...check link for more (https://eval.in/422053)
<arup_r>
mikecmpbll: why the iOS guys is saying then it can't be done..
<arup_r>
No idea.. they show me the code something like NLs.. ** I don't understand OvjectiveC :)
<arup_r>
jhass: nah.. don't ignore mr
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<arup_r>
I want to be in your friend list.. man!
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<[k->
you appear deserving of an ignore currently
<arup_r>
scroll back to where
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<arup_r>
[k-: ok..
<jhass>
that's it
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<jhass>
completely unwilling to make any effort on its own
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<[k->
[19:39:16] <jhass> arup_r: JSON.parse
<[k->
40 mins ago
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<jhass>
it's so sad, isn't it
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<[k->
before the entire cross post thing happened
<maloik>
somewhat surprised they're still here in the first place ;)
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<arup_r>
[k-: I didn't say that is not a solution.. just crosspost stuff I didn't like..
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<arup_r>
anyway.. leave it
<[k->
what. you wanted something like YAML.parse?
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<arup_r>
mikecmpbll: I asked that also.. They didn't understand it seems.. Let me show this what you said.
<arup_r>
[k-: No. JSONS.parse is correct
<mikecmpbll>
ok
<arup_r>
[k-: Why are you thinking me I am a stupid...? Did I say that?
<arup_r>
Did I say JSON.parse is wrong
* [k-
sighs
<mikecmpbll>
arup_r: stop arguing and stay on task.
<arup_r>
humm.. going back...
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<allcentury>
Hi all - I have a really shitty part of our code that uses sleep a few times as the API we're talking to is flaky. Now though, those sleep invocations are slowing down our test suite. I tried to stub it out using: Kernel.stub(:sleep) { puts "stubbed" } without success. Is this possible?
<mikecmpbll>
allcentury: fix the bad code? ;d
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<allcentury>
mikecmpbll: Yah, I want to but the higher ups aren't listening to me right now
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<jhass>
allcentury: if everything else fails extract the sleep to def this_api_is_awfully_shitty; end; and stub that out :P
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<allcentury>
ah yah, good idea
<allcentury>
code like this is embarassing to look at
<mikecmpbll>
but if the sleep is necessary won't the tests fail? ;o
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<jhass>
allcentury: but to explain, Kernel.stub(:sleep) stubs out Kernel.sleep, which is a copy if Kernel#sleep, have a look at module_function for the underlying reason
<jhass>
mikecmpbll: I guess it's necessary to not DoS the API
<mikecmpbll>
if you can dos the api without threaded requests that's some really terrible api :p
<allcentury>
it is - can confirm, some terrible api
<mikecmpbll>
\o/
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<maloik>
sounds like yorickpeterse is having a ball
<maloik>
:D
<yorickpeterse>
(╯°□°)╯︵ ┻━┻
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<yorickpeterse>
it sometimes really feel like I'm fighting a bunch of toddlers
<yorickpeterse>
You give them a nice framework, well tested, all that shit
<yorickpeterse>
Then along comes one and just messes it up
<yorickpeterse>
at least the intentions were good
<yorickpeterse>
But fuck me, write some darn tests
<maloik>
I can't see that emoji, but I'm guessing it was a tableflip
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<yorickpeterse>
yes
<yorickpeterse>
get a better font
<maloik>
we've been over this :D
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<yorickpeterse>
and clearly you haven't learned ;P
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<maloik>
I never will, at least not until I set up my workstation from scratch or change my irssi box
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<maloik>
actually that time might come sooner than expected but still
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<yorickpeterse>
ok well step 1 of refactoring this class, now to fix all the tests and add a bunch more
<yorickpeterse>
ughh
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<yorickpeterse>
also a typical pattern: there's method A, which does something
<yorickpeterse>
then comes along method B, which basically does what A does but sets an extra field
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<yorickpeterse>
instead of just mixing the two (which is preferred actually in this case)
<yorickpeterse>
better to add new code and write no tests than to update existing code/tests, right?
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<yorickpeterse>
@group.companies.each_with_index do |company, index| company.id.should == index + 1 end
<yorickpeterse>
that's an....interesting way of testing IDs
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<acosonic>
hi, I'm trying to use svn with redmine on windows. Does anyone know which SVN client will work well with ruby, or how to configure SVN to be visible by Rails?
<maloik>
I don't think the code you write has to be aware of what version control you use, acosonic ?
<maloik>
what you do in ruby/rails is writing simple text files, there's not much to it
<acosonic>
maloik, Redmine uses SVN to parse svn commit messages
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<acosonic>
maloik, and display them under repositories tab
<maloik>
fair enough, but that has nothing to do with ruby or rails I believe
<maloik>
unless I'm missing something obvious about svn... I only use git so yea
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<mikecmpbll>
lol
<maloik>
acosonic: what I'm trying to say is, it probably doesn't matter for ruby/rails, but if you're unsure because of windows/redmine then you're best off checking in the svn channels
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<jhass>
I'd just use git svn :P
<jhass>
and work from there
<acosonic>
you don't understand, ruby calls git.exe or svn.exe to check for svn/git logs
<acosonic>
nevermind
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<[k-_>
i feel hurt that you regard us as stupid
<[k-_>
s/stupid/unable to understand/
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<maloik>
I still fail to see how this is linked to ruby specifically :D
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<maloik>
sounds like there's only some redmine <-> svn stuff going on there
<[k-_>
indeed
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<maloik>
but good that you figured it out
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<sacarlson>
I just upgraded postgresql from 9.3 to 9.4 but it seems the rails app still tries to use 9.3. what gem or other do I need to perform to upgrade ruby rails to start using the new postgress?
<sacarlson>
I tried #rails but there is no such IRC
<havenwood>
sacarlson: #rubyonrails
<maloik>
the proper channel is #rubyonrails
<sacarlson>
a very good
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<acosonic>
sacarlson, did you install app with bundler?
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<acosonic>
sacarlson, try bundle update in your app root
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<jhass>
acosonic: it moved to #RubyOnRails
<apeiros>
o0
<jhass>
sacarlson: ignore that last advice, running bundle update blindly is a really bad idea
<sacarlson>
oh yes I did install with bundler
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<apeiros>
also bundle & gems have nothing to do with the db that is used…
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<lseactuary>
hello. i have scalding jobs that i run in the REPL but its getting annoying as i want to be able to quickly graph the data and have 'dashboard' type view. im wondering how easy it is to convert sclading REPL code into a ruby app?
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<apeiros>
put the code in a file, chmod 0755, run it?
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<lseactuary>
apeiros was that to me?
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<apeiros>
lseactuary: yes
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<lseactuary>
apeiros i have working scalding REPL code that pulls data from sources and outputs a CSV/TSV file
<marguerite>
hello, anyone can help me with this nokogiri problem about searching through table element ? http://paste.opensuse.org/27252343
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<lseactuary>
the problem is i have to keep adjusting the date, the account etc and run it. i think its better to have some sort of dashboar where people just type the account and the data is there.
<lseactuary>
wondering how easy it is to go from scalding raw data to something nice like that
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<apeiros>
lseactuary: I don't think you will be able to get a satisfying answer to that kind of question here.
<lseactuary>
where do you recommend i look?
<apeiros>
you ask the person you want to build that thing.
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<apeiros>
and if it's you - well, start with it and see. how easy it is for you depends on a couple dozen factors. your familiarity with the tools for a starter.
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<apeiros>
it's not really possible to give you any meaningful estimate.
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<lseactuary>
but is ruby the right tool/
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<lseactuary>
is there something where i can link data sources and then adjust a template rather than build from scratch?
<apeiros>
are you talking about a web application?
<lseactuary>
ye
<apeiros>
relevant. you know.
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<apeiros>
I don't know of such a thing, but you may try in #rubyonrails
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<lseactuary>
oki
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<atzorvas>
for my question before, creek is ultra fast, and it returns also cell names which is pretty handy to not add any overhead. just a wrapper function to get cell(col_letter, rownum) and it will be perfect shortly :)
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<atzorvas>
("ultra fast" under consideration, I still have to test this in my main program)
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<[k->
so many rows questions @.@
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<atzorvas>
:p
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<[k->
i declare today statistics day?
<atzorvas>
easily
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<adaedra>
[k-: I am disappoint. You could have used "in a row".
<adaedra>
+ed
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<[k->
s/@.@/in a row @.@/
<shevy>
+special ed
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<nzst>
no
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<adaedra>
no?
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<gabord>
Hi, how does "bundle install" work?
<adaedra>
magic
<gabord>
Does it read "Gemfile" or other things, and then
<gabord>
(I have a specific question :)
<gabord>
installs the packages, or
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<gabord>
the packages it needs to install lies somewhere else?
<atzorvas>
gabord: (note) it's better to not break your questions to several lines
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<gabord>
atzorvas: Alright, next time..
<adaedra>
It reads Gemfile and Gemfile.local, resolves the dependencies, and install the gems, either in the system or a given folder according to arguments.
<sarkyniin>
specifically, I want the minimum version to be 1.9.3
<sarkyniin>
so I can't use .to_f
<sarkyniin>
because it would remove the .3 and I wouldn't be able to compare anyway
<adaedra>
sarkyniin: gem? bundler?
<sarkyniin>
adaedra: you can only specify one version of ruby
<sarkyniin>
when using bundler
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<sarkyniin>
there's no "superior to"
<nofxx>
just as curiosity, how to get the name of a var ?
<adaedra>
sarkyniin: wut
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<kamsky>
Hi guys, I have the following string, which seems to be formed by hex characters: "c340a001-1073", and I have to somehow split it in two sub hex strings (first chunk before the dash, second chunk after the dash), and then somehow iterate through both, increasing 1 by 1 the values
<sarkyniin>
adaedra: anyway, I found out comparing strings work
<[k->
nofxx, whaaaaaa
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<sarkyniin>
in this particular case
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<nofxx>
[k-, introspection crazyness
<kamsky>
The idea is to generate a list with all hte possible values left within that number of characters
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<[k->
nofxx, binding.local_variables or some sort?
<adaedra>
sarkyniin: I'm pretty sure bundler has a way of giving a /minimal/ ruby. Otherwise, the `gem` lib has methods to compare versions.
<nofxx>
kamsky, you mean until fff-fffff ?
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<kamsky>
nofxx: so, the first chunk is 8 characters, so until ffffffff, and then the second one 4, so until ffff, and combine them, so I get all the possible values
<gabord>
So basically bundle is a wrapper for "gem install", so that it is easy to install gems and dependecies?
<nofxx>
[k-, that would work, but I need somehow to get the var's sym to binding.local_variables[]
<[k->
compare the values of everything there
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<nofxx>
[k-, with what?
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<[k->
var would give you the value
<[k->
then iterate through local_variables and get matching values
<[k->
i think
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<nofxx>
kamsky, well try this: x, y = 'ffffff-fff'.split(/\-/).map{ |n| n.to_i(16) } ; x.upto(0xffff)
<nofxx>
kamsky, dunno why split it anyway, just get it as 1 number I would say
<kamsky>
nofxx:quick priv?
<[k->
var = 1; binding.local_variables.select.with_object(var) { |v, o| binding.local_variable_get(i) == o }
<nofxx>
kamsky, x = 'fffffff-ffff'.tr('-', '').to_i(16)
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<[k->
maybe if i change with_object part
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<nofxx>
[k-, with object |obj| but with 2 it's |sym, obj| ?? how obscure
<kamsky>
so nofxx, the idea is that I get that value, dash included from a server response, and then I have to get that value, and send all the possible left values to the server, one by 1, in the same format
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<[k->
>> var = 1; binding.local_variables.select { |v| binding.local_variable_get(v) == var }
<kamsky>
so.. c340a001-1073, then c340a001-1074, c340a001-1075, etc... till I get to ffffffff-ffff
<[k->
nofxx, i think it's got to do with enumerator
<nofxx>
>> kamsky dude... do some math
<ruboto>
nofxx # => /tmp/execpad-f4403ec178fe/source-f4403ec178fe:2: syntax error, unexpected keyword_do_block ...check link for more (https://eval.in/422183)
<nofxx>
[k-, thank you man, gonna use this just for fun
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<[k->
additional fun: regexp can declare local variables in your local scope
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<[k->
i forgot how to make it do it
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<kamsky>
nofxx: actually is a little bit more complex than that.. so, given: c340a001-1073 , the second chunk (1074) is increased every couple seconds by the server, and then in the first chunk, the last 3 chars are always 001 or 801, and the rest random
<kamsky>
nofxx: the goal is to be able to "guess" valid values generated by the server
<[k->
elliptic curve?
<kamsky>
so the idea is to somehow generate as many values as possible for the first chunk before the second chunk changes
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<nofxx>
kamsky, general irc tip for you: start with the goal instead of how you're planning to score it
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<kamsky>
yeah nofxx, sorry about that
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<jhass>
sounds like you want to break something. Curious what that would be
<[k->
we have a command for this!
<[k->
?xy
<ruboto>
it seems like you are asking for a specific solution to a problem, instead of asking about your problem. This often leads to bad solutions and increases frustration for you and those trying to help you. More: http://meta.stackexchange.com/a/66378
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<kamsky>
I'm a pentester jhass, this website Im testing doesnt generate sufficiently random cookies
<kamsky>
but I need a proof of concept
<shevy>
cookies!
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<adaedra>
?cookie
<ruboto>
here's your cookie:
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<shevy>
ruboto has inbuilt all the important commands
<jhass>
kamsky: maybe just check if it's simple enough to port to say Crystal, should give you a lot more values
<adaedra>
indeed
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<[k->
yea, it has ?shevy too
<shevy>
I go with the cookies
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<adaedra>
I prefer cake
<adaedra>
?cake
<ruboto>
here's your cake:
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<adaedra>
b&w emoji works not so well, me thinks
<shevy>
I know!
<shevy>
it's like the unicode hangman here
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<[k->
i have coloured ones \o/
<adaedra>
still mad about that?
<dfockler>
sepia emoji for that old timey feel
<jher>
Emoji works great in iTerm
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<shevy>
I am not mad at all in the slightest
<jhass>
just stuck in the ancient past
<shevy>
there was a time when WhatsApp people joined here; jhass was so curious about their nicks
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<jhass>
see
<shevy>
I combine the best of history with the best of the future
<mikecmpbll>
lol
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<shevy>
I am still undecided about Emojis
<jhass>
s/best/none/
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<shevy>
the best
<shevy>
keep it simple
<jhass>
UTF-8 is simple
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<jhass>
a lot simpler than dealing with all other encodings
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<jhass>
just use it everywhere, simple as that
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<shevy>
there is the unicode snowman
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<nofxx>
you know, some say we evolved, from hieroglyphs to writing
<jhass>
?snowman
<ruboto>
I don't know anything about snowman
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<adaedra>
oh!
<shevy>
yeah hieroglyphs like the unicode snowman :)))
<[k->
the more universal it is, the less things programmers have to worry about
<adaedra>
this bot needs the unicode-snowman gem
<dfockler>
how many more codepoints are empty in UTF-8?
<adaedra>
enough
<shevy>
adaedra was it you who wrote the snowman gem?
<jhass>
!fact mk snowman Here's a snowman for you: ☃
<ruboto>
jhass, I will remember that snowman is Here's a snowman for you: ☃
<nofxx>
shevy, with utf8 I'm ok. just don't put colorful gay emojis in my terminal please
<jhass>
dfockler: 1 third I think
<[k->
?shevy
<ruboto>
shevy is the hound of baskerville
<adaedra>
shevy: yes
<shevy>
I would not know how to put an emoji into IRC in the first place
<adaedra>
shevy: os?
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<[k->
through ?pizza ?cookie ?cake
<shevy>
adaedra shevyOS
<adaedra>
ok
<[k->
he uses some unmaintained os
<jhass>
or was it that 1 third is filled? I can't remember
<shevy>
[k- the bot knows pizza?
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<[k->
yes
<adaedra>
?pizza
<ruboto>
here's your pizza:
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<nofxx>
?dice
<ruboto>
I don't know anything about dice
<nofxx>
isnt it utf8? what the comm
<jhass>
&roll
* `derpy
rolls a dice… got 5. Total: 5
<[k->
that's `derpy
<nofxx>
ah, not yet
<shevy>
you know... one distant day, 100 years from now on, Archaeologists may analyze ruboto to find out how we people here from 100 years ago, were a good or a bad people
<`derpy>
They see me rolling...
<jhass>
&doabarrelroll
<[k->
they should analyse the logs, duh
<`derpy>
weeee!
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<adaedra>
shevy: I know someone else who don't want to use unicode. And, like you, he takes his arguments against it from /dev/null.
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<shevy>
there are lots of excellent arguments
<shevy>
however I would consider this to be an offtopic discussion then
<[k->
none of them which is your face!
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<tubbo>
anyone who doesn't want to use unicode is a racist
<adaedra>
And since you loathe us^W#ruby-offtopic, you won't have it, we know
<tubbo>
there i said it
<jhass>
shevy: would love to have it over at y-offtopic
<shevy>
jhass there is unicode hangman there!!!
<jhass>
nobody's playing
<shevy>
yeah right *now* perhaps... but the moment I arrive...
<adaedra>
shevy: ignore DeBot...
<[k->
yea, debot went on a on and off rampage
<shevy>
let's talk about ruby :)
<adaedra>
arguments count: +0
<[k->
your face isn't Ruby
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<adaedra>
face.rb
<[k->
touché
<adaedra>
coulé
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<mikecmpbll>
gosu looks all kinds of cool. might have to have a play around this weekend.
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<DEA7TH>
I'm trying to make concurrent web requests and right now am using new threads with curl, but this is failing with (23) Failed writing body. The same code works when not in a new thread. What can I do to fix it?
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<DEA7TH>
Is it because I'm doing it in a new thread, or because I'm using curl
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<havenwood>
DEA7TH: There are many nice HTTP client gems, including libcurl wrappers with parallelism features. Typhoeus for example: https://github.com/typhoeus/typhoeus#readme
<harshs08>
Hi all, I am getting the warning: circular argument reference
<DEA7TH>
awesome, I'll install that
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<havenwood>
harshs08: Show the code the error refers to?
<adaedra>
?context harshs08
<ruboto>
harshs08, Please add more context to your question, what are you doing, why are you doing it, which libraries are involved. Post some code to gist if it clarifies your question.
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<harshs08>
I am trying to understand the reason for it and read about it here http://blog.vrinek.io/2015/01/15/ruby-2-2/. But still I don't fully understand the reason for this warning
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<havenwood>
>> def har shs = shs; end
<ruboto>
havenwood # => /tmp/execpad-d18f739cce2d/source-d18f739cce2d:2: warning: circular argument reference - shs ...check link for more (https://eval.in/422217)
<ruboto>
I'm just a bot. You don't need to address me.
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<adaedra>
commas, the difference between "sure, ruboto will do that" and "sure ruboto, will do that"
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<havenwood>
adaedra: or "sure ruboto will, do that" or "sure ruboto will do, that"
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<jhass>
now the lawyer comes through
<havenwood>
heh
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<havenwood>
harshs08: when folk define a method with args `x = x` they probably really mean `x = x()` not a circular reference to an unset local variable, hence the warning
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<harshs08>
havenwood: so to clear my understanding, why it was allowed in the earlier versions and is this more like a language semantics issue or there is some side effect of this in code?
<Freeaqingme>
Hi folks. I'm trying to do some stuff with timezones. I'm on 1.9.3, I require 'date'. But things like this gives me nothing but "undefined method utc": now = DateTime.now.utc
<Freeaqingme>
how should I get the time in a certain tz?
<BraddPitt>
oof
<BraddPitt>
timezones
<BraddPitt>
someone else can take this one
<jhass>
>> require "datetime"; DateTime.now.utc
<ruboto>
jhass # => cannot load such file -- datetime (LoadError) ...check link for more (https://eval.in/422249)
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<jhass>
meh
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<jhass>
>> require "date"; DateTime.now.utc
<ruboto>
jhass # => undefined method `utc' for #<DateTime:0x40e454e0> (NoMethodError) ...check link for more (https://eval.in/422250)
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<jhass>
Freeaqingme: sure you need a DateTime?
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<Freeaqingme>
jhass: hmz, I'm not. I was under the impression date would be just dates, whereas datetimes would be a date+time. Thought I'd also tested with 'date', but I guess not
<evo2020>
I have a question about refactoring (short) in ruby
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<kinduff>
evo2020: don't ask to ask :) just ask
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<shevy>
refactoring can be very boring
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<evo2020>
I am trying to insert replay method into a Ruby CLI game. It doesn't work.
<evo2020>
I can't see my error!
<craysiii>
gist it
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<bootstrappm>
is it bad form to put requires in only the places where they're needed as opposed to the top? I only use URI in 1 out of 5 of my rake tasks,
<shevy>
drbrain yes I am looking at old code here :)
<miah>
"Prefer reverse_each to reverse.each because some classes that include Enumerable will provide an efficient implementation. Even in the worst case where a class does not provide a specialized implementation, the general implementation inherited from Enumerable will be at least as efficient as using reverse.each."
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<miah>
shevy: i run neovim with neomake
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<pipework>
Weird, why can't they just provide a more efficient #reverse?
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<miah>
who is 'they' ?
<kinduff>
mantainers
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<pipework>
"some classes"
<drbrain>
#reverse creates a new Array holding all the same objects
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<drbrain>
which you then traverse with #each
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<pipework>
drbrain: So it sounds like #reverse_each is just generally better regardless of possible implementation bonus nachos?
<drbrain>
but for finite collections (Array) you walk the collection in reverse order
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<drbrain>
pipework: yes, since it avoids the temporary copy
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<miah>
^- for benchmarks
<drbrain>
then next suggestion might be "ruby should know to optimize .reverse.each to .reverse_each"
<miah>
+1
<pipework>
:D
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<drbrain>
but that's not trivial because a user can redefine "reverse" or "each" and not make them mean what you think they mean
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<drbrain>
or they may be called on objects where that optimization doesn't make sense (in the general case for optimizations like this)
<drbrain>
so you end up adding a bunch of special-case checks (has #reverse been redefined, has #each been redefined, for this object will it improve performance, …)
<drbrain>
which makes the compiler harder to maintain
<pipework>
drbrain: Just add a cop to rubocop to suggest it.
<pipework>
Let people add ignores for when it's more correct. :D
<drbrain>
↑ yep, that's the more maintainable way
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<pipework>
It's also educational!
<pipework>
one should edutate themselves on the regular
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<miah>
thats my one gripe with ruby style guide. while you can link to each nitpick, there is no link to a discussion about the hows and whys behind it.
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<miah>
there are issues on ruby-style-guide you can dig for the hows and whys. but you have to dig.
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<shevy>
it's the community!
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<baweaver>
Honestly I just use it to get people to stop whining about which way is better
<baweaver>
especially on syntax nonsense.
<dstarh>
I'm trying to DRY up a couple of methods that both take a block and yield to it at the end. Is it possible to pass the block to another method?
<shevy>
dstarh should be, via &
<shevy>
I don't have a minimal example at hand though
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<baweaver>
>> def a(&block) b(&block) end; def b() yield(3) end; a { |v| v + 1 }
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<shevy>
anyone of you using prawn to auto-generate .pdf documentation? I am looking for a simple way to format it... from html. I need not much though, only <br>, and padding (aka either margin-left or padding-left / padding)
<shevy>
colours etc... isn't needed, the padding is only required for making it easier to read (it already is padded in the .html)
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<datacat_>
hi
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<datacat_>
So I run a ruby app - and it assumes ASCII - but I want that it uses UTF8
<datacat_>
I heard one has to set LC/LANG/LOCALE ?
<datacat_>
Is that true? what is the right way?
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<shevy>
hmm
<shevy>
are you sure it assumes ASCII? they should default to UTF-8 when nothing else has been specified datacat_
<zenspider>
yashinbasement: how are you calling it?
<yashinbasement>
nthterm(1, 2, 3)
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<orionp>
zenspider - thanks!
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<Aeyrix>
baweaver: Doubtful. :<
<zenspider>
orionp: I think the "right" way is to call Gem.paths = env
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<BraddPitt>
recursive overflow
<zenspider>
but that just calls clear_paths and then pulls data out of a hash
<BraddPitt>
yashinbasement did you mean to put `return first` on line 4?
<BraddPitt>
oh wait no
<BraddPitt>
there is no return out of the recursive call
<baweaver>
yep
<BraddPitt>
you have no base case
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<yashinbasement>
isn't it a base case
<yashinbasement>
n == 1
<bougyman>
I think you ment for a condition to be in the elsif
<bougyman>
no?
<zenspider>
yashinbasement: what does it do if n == 1 ?
<yashinbasement>
and we don't need to specify return in ruby
<baweaver>
then it goes to the next conditional
<baweaver>
you do in that case
<yashinbasement>
ohh
<BraddPitt>
yashinbasement you have to explicitly specify for early returns
<yashinbasement>
sorry
<yashinbasement>
dammn
<baweaver>
or you need to make that a branch
<yashinbasement>
thanks
<baweaver>
it only implies a return of the last value in a function
<baweaver>
/ method
<zenspider>
baweaver / BraddPitt / bougyman -- *sigh* don't just give them it. let them work through it.
<yashinbasement>
that's why they say don't fall in love in ruby syntax :)
<BraddPitt>
we sort of did, zenspider
<zenspider>
study up on pedagogy
<zenspider>
BraddPitt: you _especially_ didn't
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<gofsckyourself>
?guys
<ruboto>
Though inclusion was probably intended, not everyone relates to being "one of the guys". Maybe consider using "folks", "all", "y'all", or "everyone" instead?
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<BraddPitt>
can this meme be put to rest
<BraddPitt>
or at least have the trigger removed
<shevy>
I guess it was the same old dude who picks weird nicks
<zenspider>
no and no
<zenspider>
what we can do is nuke gofsckyourself
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<baweaver>
or put that on the blacklist
<baweaver>
admittedly my bot is lazy.
<baweaver>
well, more correctly, my bot plugin
<shevy>
it'll lazily scroll up and away :)
<baweaver>
Really I can just add a Levenshtein to it to see if it has distance < 3 from a curse word as a half point towards ban.
<shevy>
lol
<shevy>
shouldn't you be building dams instead?
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<baweaver>
radar rejected my PR to blacklist his name :(
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<shevy>
I <3 beavers
<BraddPitt>
>they spoiled the entire meme in the url
* baweaver
shrugs
<shevy>
eh that fish has attitude so it's worth the visit
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<zenspider>
I've been face to face with one of those freediving
<shevy>
ewww
<zenspider>
they're _awesome_ looking... in the dictionary sense of the word
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<shevy>
he looks bitey
<zenspider>
you get a definite sense of "you've been around since dinosaurs" feel from it
<zenspider>
they're very bitey
<dfockler>
Parrotfish are nightmare fuel
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<zenspider>
there's an awesome photo series of a dipshit who tried to pet one in phuket, thailand... luckily they have very good plastic surgeons there
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<zenspider>
they somehow got the thumb back, got him out, and got it reattached rather quickly
<zenspider>
not sure how the former happened. I'd eat it if I were the eel
<baweaver>
There are only two things that can be considered infinite, human stupidity and the universe. I'm not sure of the latter though
<BraddPitt>
whats so bad about the parrotfish dfockler