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<Sammidysam>
I set a variable in IRB and I want to use its value in a method that I define. How can I do that (currently it says that it is undefined)?
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<|jemc|>
Sammidysam: please make a gist or other pastebin with what you're currently doing
<|jemc|>
gist is particularly helpful because it has comments
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<yorickpeterse>
morning
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<gnufied>
Morning
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<yorickpeterse>
lololol HN back up, loss of data
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<sluukkonen>
is there a reason for the channel mode that causes this: "Cannot change nickname while banned on channel"? I hate that I have to temporarily leave this channel every time I need to change my nick on freenode.
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<yorickpeterse>
You need to be authed
<yorickpeterse>
Having said that, I could change my nick fine last time I wasn't authed
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<sluukkonen>
well, I need to change my nick before I can authenticate
<workmad3>
sluukkonen: use sasl auth
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<workmad3>
sluukkonen: also, you can do /msg nickserv identify <nick> <password> in order to identify to a specific account without changing your nick
<workmad3>
but sasl auth ftw :)
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<yorickpeterse>
welp, I just defined a method called "fatter_initialize"
<yorickpeterse>
opposed to "after_initialize"
<yorickpeterse>
I'll blame that on being hungry
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<whitequark>
I once was hungry
<whitequark>
I realized it after reading the phrase "crisp picture"
<whitequark>
mmmmm pixels
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<apeiros>
yorickpeterse: don't use beacon for testing then
<yorickpeterse>
I don't :<
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<yorickpeterse>
I use rpsec
<yorickpeterse>
* rspec
<workmad3>
yorickpeterse: rpecs?
<yorickpeterse>
brb, food
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<apeiros>
rrrrspeck
<apeiros>
cuz speck is beacon :)
<workmad3>
rspock
<gnufied>
what we need is - nsaspec
<workmad3>
gnufied: we have that... it's called openssl...
<gnufied>
it knows what I am going to write and writes tests itself
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<eam>
zzak: I'm pretty sure the hh can't generate the right scan codes for stuff like volume keys on osx -- I see some hackarounds with applescript though
<eam>
seems to be a universal issue for non-mac keyboards
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<aarellano>
should I always keep my ruby versions upgraded to the latest patchlevel?
<aarellano>
isn't a good idea to wait a bit before upgrading? to avoid "problematic" versions like 1.9.3-p362
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<yorickpeterse>
yes
<yorickpeterse>
Wait a bit, test things, etc
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<yorickpeterse>
don't blindly update and assume nothing is broken in terms of ABI and the likes
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<r0bgleeson>
aarellano: i think that depends. security patch levels should be no question.
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<kaneda^>
hey guys, qq, it was just brought to my attention that URI.parse sees protocol-less URIs as invalid. while i see this as a bug, i wanted to know what other people thought
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<workmad3>
kaneda^: URI.parse("//foo/bar") gives me a URI::Generic instance :)
<kaneda^>
try URI.parse(://google.com)
<kaneda^>
InvalidURIException
<workmad3>
kaneda^: right... that's because that *is* invalid
<wmoxam>
kaneda^: that is invalid!
<wmoxam>
:// rather than //
<workmad3>
kaneda^: the : separates the scheme at the start
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<workmad3>
kaneda^: and an empty scheme is invalid
<kaneda^>
i think there should be support for such a URI
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<wmoxam>
no
<workmad3>
kaneda^: if you drop the scheme, you also drop the separator
<wmoxam>
that's actually not valid
<kaneda^>
hold on
<workmad3>
kaneda^: and if you look at the RFC, you'll see that a relative URI starts with //, not ://
<kaneda^>
ahhh, that's my mistakle
<wmoxam>
"A path segment that contains a colon character (e.g., "this:that") cannot be used as the first segment of a relative-path reference, as it would be mistaken for a scheme name.
<wmoxam>
"
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<kaneda^>
my mistake, schemeless is acceptable, i just misread the RFC
<workmad3>
kaneda^: :)
<kaneda^>
thanks guys :)
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<workmad3>
naquad: if I was worried about multiple passes, I'd do it with an each_with_object but I feel that reduces clarity
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<naquad>
workmad3, your way creates a temporary object, requires second round processing and is much less understandable for someone who is at least a bit aware of ruby std lib
<naquad>
think about it
<havenwood>
naquad: capabilities.each_with_object([]) do |capability, result|
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<naquad>
havenwood, each_with_object is since 1.9.3 if i don't mind?
<naquad>
or 1.9.0?
<workmad3>
naquad: I am thinking about it
<workmad3>
naquad: and I still see a .select as better than .map.compact
<havenwood>
naquad: 1.9+ so works on all living Rubies
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<workmad3>
naquad: if you really wanted a one-liner, then capabilities.each_with_object([]) {|cap, result| result << $1 if cap =~ /^AUTH=(.*)=}
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<workmad3>
err, / not = at the end there, sorry :)
<naquad>
i've managed to make it even more obscure!
<workmad3>
naquad: but you were asking about ruby idioms... whereby I'd argue that doing a .map.compact.map (for a total of 2 passes over the full array and 1 over the compacted) is less idiomatic than a .select :)
<judofyr>
dostoyevsky: it also ships with Ruby 1.9+
<dostoyevsky>
oh... And it's by "Florian Frank" who wrote fjson...
<judofyr>
dostoyevsky: well, for dumping data as JSON there's two approaches: Build one big Hash and call #to_json, or use something like jBuilder to incrementally build it
<dostoyevsky>
Ah, no wrong
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<bradland>
i need some help understanding why line 4 of this example discards precision when the other two examples do not: https://gist.github.com/bradland/8303872
<apeiros>
Thread.new do begin …yourcodewhichmaybreakhellloose… rescue => ex end end
<NemesisD>
apeiros: ivve got some code that saves the calling thread and raises to it on connection loss. so in order to prevent it from taking down my main thread i guess i do something like:
<NemesisD>
since the connect does not block. the problem is i was doing this in the main thread so if my conn got dropped it would blow up randomly in the middle of a database call D:
<|jemc|>
didn't read upward enough
<csaunders>
yeah, I have no links... I haven't looked into the langauge/impl though
<csaunders>
maybe that's why? Lack of interest... #speculating
<|jemc|>
heh, who wants to try to keep both ruby and python straight in their heads on the same project?
<|jemc|>
(referring to the core devs)
<apeiros>
NemesisD: it's generally a rather bad idea to raise an exception in a thread
<apeiros>
I mean, from another thread
<apeiros>
i.e., I'd strongly disadvise from using Thread#raise
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<yorickpeterse>
NemesisD: the only way is to begin/rescue all the things in the thread itself
<NemesisD>
apeiros: yeah. its not my code. i wouldn't do that
<yorickpeterse>
you could probably do `Thread.abort_on_exception = true` and then wrap everything in `begin/rescue` but I'm not sure how that would work
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<apeiros>
NemesisD: can you control which thread the nasty library raises the exception in?
<apeiros>
if so, make a thread with plain sleep in it to "take one for the team" :)
<apeiros>
bait = Thread.new do begin; sleep; rescue NastyException => ex; controlled_shutdown; end; end
<apeiros>
if it's always the main thread, move your operating code into another thread and let the main thread sleep.
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<NemesisD>
apeiros: yeah so that's what we're doing
<NemesisD>
we silo that thread off into a thread that sleeps forever for the sake of handling this error
<NemesisD>
better it than the main thread
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<NemesisD>
woah woah woah
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<NemesisD>
the doc for the instance method abort_on_exception= for thread says it causes all threads including the main thread to abort if an exception is raised in this thread, but that doesn't appear to be true at all
<NemesisD>
really it just seems to throw an exception to the calling thread when that thread aborts
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<NemesisD>
waat
<yorickpeterse>
NemesisD: what problem are you trying to solve?
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<apeiros>
NemesisD: errr, no? that doc is spot on.
<apeiros>
NemesisD: note though that it's about *unhandled* exceptions
<apeiros>
that said, last I tested that was in 1.8…
<NemesisD>
i'm no longer trying to solve a problem, just questioning the docs. let me paste my test
<yorickpeterse>
NemesisD: that's because you set the abort_on_exception_flag when the first thread might be done already
<NemesisD>
the docs even go so far as to say that the process will effectively exit(0), which it doesn't at all. also why would it exit with 0 if its an unhandled exception
<NemesisD>
yorickpeterse: i deliberately sleep in the first thread for a second
<yorickpeterse>
that doesn't guarantee anything
<yorickpeterse>
use `Thread.abort_on_exception = true` (the literal global form)
<yorickpeterse>
and set it first
<NemesisD>
that's not the functionality i'm testing though. i'm testing the instance version
<yorickpeterse>
you'd have to call it as soon as possible, so directly after creating the thread
<yorickpeterse>
or in the thread itself
<NemesisD>
ok sure ill do Thread.current.abort_on_exception
<NemesisD>
same behavior
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<yorickpeterse>
Thread.new { raise 'foo' }.abort_on_exception = true # something like this should work
<NemesisD>
yeah but the boom raises and gets caught in that exception handler
<NemesisD>
i see blast shielded: BOOM in the console
<NemesisD>
and then BOOM that kills the program when i join
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<NemesisD>
*cue bill oreilly saying you can't explain that*
<yorickpeterse>
granted it's late, seems like begin/rescue here rescues the exception in the main thread
<yorickpeterse>
oh wait
<yorickpeterse>
it rescues it, somehow, but then still continues
<NemesisD>
yeah
<NemesisD>
also join always seems to raise unhandled exceptions in child threads
<NemesisD>
so it seems like abort_on_exception = true raises in the calling thread any time an exception goes unhandled in that thread
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<NemesisD>
but "When se to true, causes all threads (including the main program) to abort if an exception is raised in thr. The process will effectively exit(0)" *appears* to be completely wrong
<NemesisD>
it does not abort all the threads like the docs said. it is completely recoverable. it also doesn't exit(0)
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<yorickpeterse>
oh wait, I see
<yorickpeterse>
when you use Thread.abort_on_exception it uses the current (= main thread) so that when an exception occurs it will terminate that one
<yorickpeterse>
Probably if you use it on another thread it only terminates that one
<NemesisD>
let me know when i can flip over my table and say the stdlib docs are a lie
<yorickpeterse>
probably
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<NemesisD>
(╯°□°）╯︵ ┻━┻
<mistym>
╯°□°╯︵sɔop
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<NemesisD>
where do the ruby docs live? i feel like i should create a PR for this
<drbrain>
NemesisD: you can create a pull request on ruby/ruby
<drbrain>
NemesisD: you'll probably find the offending documentation in thread.c
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<NemesisD>
cool cool
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<NemesisD>
drbrain: i'm actually not sure what the correct doc is here. i assume i have to open a bug somewhere, but i don't have access to open issues on buugs.ruby-lang.org
<NemesisD>
oh ok maybe i need a login. that makes sense
<drbrain>
yes, you need a login
<NemesisD>
hehe
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<drbrain>
because some issues required feedback (and spam)
<NemesisD>
cool. i'll follow up on this after work. thanks guys
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<Veejay>
Hi, I was wondering, since 2.0 was a major release, should I expect code to break if I'm still using 1.9.3p484?
<CoverSlide>
Veejay: TIAS
<Veejay>
I've looked at changelogs but they usuaally refer to what's been added since the last version, not always easy to get a sense of change over a few years
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<Veejay>
CoverSlide: I'm not familiar with this acronym sorry
<CoverSlide>
try it on your app and see
<Veejay>
Unless you're referring to The Internet Antique Shop