<soulisson>
Hi, I'm new to ruby, I would like to know how a block is implicitly passed to a method? Is a reference to the block implicitly passed to the method when the method is called?
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<RainBowww>
how to learn ruby
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<baweaver>
RainBowww: what have you tried?
<baweaver>
including typing that into a search engine
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<drbrain>
soulisson: what do you mean by "implicitly"?
<RainBowww>
haha
<RainBowww>
i think what i need is how to program in object oriented way
<RainBowww>
i dont understand it
<drbrain>
soulisson: when a block is passed to a method, a reference to it is included as one of the parameters
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<soulisson>
drbrain, when there is only yield in the method and no &block in the method declaration
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<RainBowww>
i know basics but how to use it
<baweaver>
Practical Object Oriented Design in Ruby - Sandi Metz
<RainBowww>
baweaver ok
<RainBowww>
:P
<soulisson>
drbrain, that's what I thought
<baweaver>
the more you give us to work with in a question, the better the answer.
<drbrain>
soulisson: so for the implicit one where the method yields, there's a hidden block that is forwarded along
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<drbrain>
soulisson: you can use block_given? to detect if one is there
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<soulisson>
drbrain, ok, but when the method is called, a reference to the block is passed to the method, right?
<drbrain>
yes
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<soulisson>
drbrain, thanks
<drbrain>
you can send blocks to methods that don't yield or have &block in the parameters too
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<soulisson>
drbrain, thanks, I just wanted to know the black magic behind the yield statement :)
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<drbrain>
pragmatism: try trunk now, the latest commit should have the fix
<jbrhbr>
i'm new to ruby and surprised that there isn't more interchangeability, and the main reason i could think that they wouldn't be is string mutability
<RickHull>
i'm not sure about the future, but I've been using ruby for about 10 years
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<jbrhbr>
that's approximately 9.99 years more than me
<RickHull>
and here is my take on symbols vs strings -- they have useful distinctions
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<RickHull>
symbols are useful for identifiers -- a chunk of data that will never be "operated" upon. we don't need to e.g. #reverse them, or append to them
<RickHull>
where you might define a tuple or indexed array, where the index is meaningful -- for example the standard graphite metric format
<RickHull>
(metric_name, metric_value, timestamp)
<RickHull>
you could use an array and just know that index 0 is always the metric_name
<RickHull>
or you could use a hash, e.g. { metric_name: foo, metric_value: 100, timestamp: now }
<jbrhbr>
i don't see how these are points for strings vs symbols though
<jbrhbr>
either would work
<RickHull>
symbols are less flexible than strings
<RickHull>
you'd rather use symbols here -- it indicates that we aren't going to operate upon the keys directly
<jbrhbr>
my issue is that some hash-like structures use symbols and others like strings
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<RickHull>
it's just a handy identifier that is better than e.g. graphite[0]
<RickHull>
i'd rather use graphite[:metric_name]
<jbrhbr>
and since they're not interchangeable, you have to know which to use, or .to_s or .to_sym :/
<RickHull>
jbrhbr: true, but you should always "know"
<RickHull>
and if you don't, that's a code smell that should be chased down
<RickHull>
there are some libraries and and 3rd party code that make this tough
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<RickHull>
and i tend to avoid those
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<jbrhbr>
do you think that kind of knowing should be consistent across all gems or would you consider it fair game if it's consistent only within each gem?
<RickHull>
it would be nice if everyone thought and wrote code the same way i do ;)
<jbrhbr>
;)
<RickHull>
but I'll have to settle for consistency within gems
<jbrhbr>
which manifests as inconsistency in the way your code has to talk to them :/
<jbrhbr>
i don't know
<RickHull>
yeah, there will always be gems that go against your grain
<RickHull>
try to avoid them
<RickHull>
or wrap them / modify them to make them behave
<jbrhbr>
mongoid lets me do result.field, result[:field] and result['field']
<RickHull>
yeah, reminds me of Hashie::Mash
<RickHull>
which is an antipattern imho
<jbrhbr>
it seems like people *want* interchangeability in these kinds of cases so they kind of fake it
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<jbrhbr>
i see
<RickHull>
for example, I'd like to do Hash#delete, but that means i can't use 'delete' or :delete as a key
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<RickHull>
major orthogonality violation
<jbrhbr>
i don't follow that one
<RickHull>
things which are orthogonal don't affect each other
<jbrhbr>
you mean the attribute access style?
<RickHull>
yes
<RickHull>
methods are methods, hash keys are hash keys
<blub>
do people normally pronounce the # in method names
<jbrhbr>
heh i got the orthogonality part
<RickHull>
hashes have methods like delete
<jbrhbr>
i think foo.x is the oddball
<RickHull>
so if you want to have a pseudo-method for hash key access, you are forbidden from ever using 'delete' or :delete as a key
<jbrhbr>
easily assailed, but supporting both foo[:x] and foo['x'] seems intuitive to me as a ruby noob
<RickHull>
that is more palatable
<RickHull>
because it's a code smell to mix symbol and string keys
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<RickHull>
but even so, that makes the runtime do a lot of extra work
<RickHull>
and i'd rather just be consistent. hashes can take any serializable object as a key
<jbrhbr>
i think that's solvable
<jbrhbr>
but not when you have mutable keys :)
<RickHull>
that means symbols and strings are distince
<RickHull>
distinct
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<jbrhbr>
yeah
<jbrhbr>
thanks for the discussion though
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<jbrhbr>
i think my other reasoning is something like this: aside from the nice concise looking code, isn't the main justification of symbols one of performance? ie, you only have to allocate them once and there are probably some checks that can be avoided etc
<RickHull>
basically, if you need to identify an internal component, i'd use a symbol. if you're taking outside input, then use a string. e.g. person[:arm] versus tags['some_user_input']
<jbrhbr>
and then if that's correct, it once again points at mutability vs immutability. ie immutable strings have many of the same benefits as symbols, thereby weakening the case to have symbols at all
<RickHull>
yes, since they are much more limited, they have better performance
<RickHull>
in the world of mutable strings, at least, when someone chooses to use a string, I'm assuming they intend to do string operations on it
<RickHull>
if someone uses a symbol instead, that communicates to me, as a reader, that this is a permanent sort of identifier
<jbrhbr>
and… you feel like that communication is useful? :)
<RickHull>
they're not going to e.g. reverse or append to it. match it against a regex, etc
<RickHull>
100%
<RickHull>
the person writing the code should be communicating primarily to the reader (not the computer)
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<jbrhbr>
being used to immutable strings, fiddling with them in weird ways seems like a smell to me
<RickHull>
i look at code as recipes of a sort, codifying human knowledge of methodologies
<RickHull>
jbrhbr: you're probably on the right track then. try using ruby 2.3 with the immutable pragma
<RickHull>
it will be painful when using 3rd party libs and gems that aren't compliant though
<jbrhbr>
like if i saw `d = {'foo' => 3}`, i would *extremely* surprised if someone decided to modify that key
<jbrhbr>
[sometime later]
<jbrhbr>
cool
<jbrhbr>
i gotta get ready to head out
<jbrhbr>
i appreciate these kinds of chats. hopefully we can ramble together again sometime! :D
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<diegoviola>
when doing something like
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<diegoviola>
if average(:time).round(2) >= 0
<diegoviola>
is there a way to just get the value from that line and add it to a string?
<diegoviola>
without having to say:
<diegoviola>
"#{average(:time).round(2)}s"
<diegoviola>
all over again
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<diegoviola>
in the if block I mean
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<blub>
bind it ?
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<diegoviola>
blub: to a variable you mean?
<blub>
ya
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<timothio>
hello all
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<diegoviola>
good idea
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<blub>
diegoviola: there isnt really any way around it there because the part you care about is only part of the expression you're testing. if you were saying 'if expr.that.might.return.a.truthy.object' and then operating on that object, there are shortcuts
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<diegoviola>
dealing with time in coding can be confusing
<diegoviola>
just trying to get the average seconds
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<diegoviola>
and display it as 0.2s or similar
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<blub>
unless its negative, in which case you want to just round it and return the number ?
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<diegoviola>
blub: it won't be negative
<diegoviola>
but yes
<blub>
then why are you testing that it isn't
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<blub>
the else part should just throw an error if anything, or just leave out the if and have the method just be "#{sum(:time).round}s" if you're sure
<diegoviola>
sum would actually sum all the numbers in that field
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<diegoviola>
I need average
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<diegoviola>
blub: I actually added the if check because .round results in error when average(:time) returns nil
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<blub>
what..
<diegoviola>
blub: the unless I mean
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<danielpclark>
Hey all! I'm trying to get a padded Array of bytes for int16 but it's not padding. [-32222].pack("v").bytes #=> [34, 130] .... I need to to be [34, 130, 0]
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<diegoviola>
blub: does that looks fine to you?
<blub>
diegoviola: avg = average(:time); "#{avg.round(2)}s" if avg
<blub>
use variables so you don't recompute things for no reason
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<blub>
if you don't write an else and the condition is false, the whole if evaluates to nil anyway
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<diegoviola>
thanks
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<bougyman>
my mom just got a message on her mac: "Warning: OS CRASH REPORT - Due to a third-party application your computer has crashed, please call <18665377060> for an immediate fix"
<bougyman>
valid or bunk?
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<bougyman>
it's a modal in the middle of her screen.
<Radar>
lol
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<diegoviola>
that's scary
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<Radar>
Probably bunk.
<Radar>
Srsly, just google it
<Radar>
bougyman: ^
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<bougyman>
I told her to take it to the apple store.
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<bigmac>
Thread.start{while true; puts s.recv(500); end }
<bigmac>
s.puts("hi server")
<bigmac>
i would expect the thread to print to screen?
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<baweaver>
what's s?
<bigmac>
a socket
<baweaver>
put the rest of the code into a gist
<baweaver>
not enough context
<baweaver>
which socket, what library, what's the rest of the code, etc etc
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<bigmac>
i know there is already gems doing, what im working on... but its only a example... this thing has puzzled me for a long time, how to read and write to a socket simultaneously.
<bigmac>
ill post a server and a client example
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<bigmac>
i dont see the option for sytax highlights
<baweaver>
you do realize that in run all of your code is in a rescue block right?
<baweaver>
you want it above that first rescue
<baweaver>
indentation won't affect it at all
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<mallu>
I'm going to comment out rescue and see if it works
<baweaver>
just move that logic above it
<baweaver>
no need for that
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<baweaver>
lines 52 and 56 in that gist are still broken
<mallu>
getting some error .. which is much better.. "Check failed to run: undefined local variable or method `totalMemory' for #<CheckSNMP:0x0000000282b408>, ["./check-snmp-mem.rb:58:in `used_memory'", "./check-snmp-mem.rb:76:in `run'"
<baweaver>
blocks have a scope
<baweaver>
they don't like sharing
<baweaver>
[1].each do |v| a = v end
<baweaver>
what's a?
<baweaver>
guess what value it'll have if I ran that
<mallu>
1?
<baweaver>
nope
<baweaver>
>> [1].each do |v| a = v end; a
<ruboto>
baweaver # => undefined local variable or method `a' for main:Object (NameError) ...check link for more (https://eval.in/478721)
<baweaver>
inside that block, things are trapped. They don't get out
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<baweaver>
Now if you did something like this though:
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<strehi>
hi guys.. I've got ruby source from my team mate
<strehi>
With bundle install i got required packets
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<baweaver>
gems
<strehi>
now i got an error undefined method `[]' for nil:NilClass
<strehi>
what could cause the problem? :(
<baweaver>
>> nil[]
<ruboto>
baweaver # => undefined method `[]' for nil:NilClass (NoMethodError) ...check link for more (https://eval.in/478749)
<baweaver>
that
<baweaver>
though if you want a better answer we need more context to work with, such as the code that's giving you the error and the stack trace that results
<strehi>
I am working like 30 hours on this and can't find a solution
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<strehi>
I am starting to give up
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<Sam0163141155>
In some screencasts and examples in books, it's common to find places where the author uses "# =>" notation to insert return values into the code as a comment. Are there text editor tools to do this automatically? If so anyone know what the tools or the general name for this process is?
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<edj>
ja: you there?
<mozzarella>
Sam0163141155: I think emacs org mode can do that
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<Sam0163141155>
mozzarella: thanks, I'll google that
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<blub>
is there a concise way to match 'ab', 'ba', 'a', 'b', or '' with a regex
<blub>
but not 'aa' or 'bb'
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<arup_r>
When you will create a google account but don't upload image, google will set a default avatar for you. I will pull google user information from their API, and I would like to check if the image url I fetched is the default one that set by the google or not. I thought of to use checksum of the default photo. So everytime, I will pull data from google, before saving the image I will compare the checksum of the default one and newly fetched one, i
<arup_r>
f it doesn't match I will save the new one or skip it. Is my approach to this problem correct ?
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<shevy>
Sam0163141155 I usually just copy/paste it manually myself :)))
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<yardenbar>
Hi all, I'm trying to install ruby2.2.3 on scientific linux 6.1, getting "./tool/rbinstall.rb:728:in `chmod': Operation not permitted @ chmod_internal - /usr/local/rvm/gems/ruby-2.2.1/ (Errno::EPERM)
<yardenbar>
"
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<shevy>
weird path
<shevy>
does rvm not install into home dir by default?
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<yardenbar>
Seems not, on my other server, where 2.2.3 was install successfully, its the same path but for 2.2.3
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<shevy>
OpenURI.open # NoMethodError: private method `open' called for OpenURI:Module
<shevy>
hmm is there another way to call it without .send, in the event that you already have a topnamespace method called open() defined that does something else?
<shevy>
ok found another one ... to call .open() on the object itself uri = URI.parse("http://www.ruby-lang.org/en/"); uri.open
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<strehi>
hi guys
<strehi>
I've migrated ruby app on new server
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<strehi>
Now I get an error (see link) ... ANYONE?
<strehi>
shevy: Your calling me lier now lol... I have an application on the production server
<strehi>
I am just migrating it
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<strehi>
shevy: Why you doubt it?
<shevy>
don't put words that were not used into the mouth of others
<strehi>
shevy: I gave a fact... You doubted into the fact...
<strehi>
Can you tell me what's the reason for your doubt?
<shevy>
strehi that is what you claim it *would* be, a fact
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<shevy>
>> nil[]
<ruboto>
shevy # => undefined method `[]' for nil:NilClass (NoMethodError) ...check link for more (https://eval.in/478828)
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<strehi>
shevy: When I excecute SQL directly on the database I get the value
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<shevy>
so change the code to handle nils; and find out why the layer you use there does not work properly. besides, if it works directly anyway, you could even hack-fix it with that nil check, that's like ... 3 lines of more code
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<strehi>
shevy: the problem is that I have like 1000 of MSQL selects hehe
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<strehi>
I will have to correct each if I don't find the reason
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<ruboto>
norc # => "== disasm: <RubyVM::InstructionSequence:<compiled>@<compiled>>==========\n== catch table\n| catch t ...check link for more (https://eval.in/478849)
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<norc>
Apparently there is not so much of a difference between proc/lambda and blocks after all.
<norc>
Or no... I think I have to look into how method calls are implemented.
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<xybre>
norc: arity checks
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<norc>
xybre: Im actually looking deeper. Blocks are about the only thing in Ruby that are not first objects. They are rather species when it comes to how methods are implemented in Ruby
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<norc>
*special
<norc>
Interestingly until the VM it accepts procs/lambdas as blocks though.
<norc>
(Without calling some method to convert it into a block explicitely)
<norc>
Well okay, methods are not first class objects either.
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<ddv>
blocks are just closures, nothing special about them
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<xybre>
norc: a lot of things aren't objects on the VM level, the OO happens at the compiler level.
<norc>
ddv: Blocks set up catch points for break, redo, next. They are special when it comes to how they are passed to functions.
<ddv>
norc: do you have a specific question?
<norc>
xybre: Difference is that methods and blocks are directly exposed to you. :)
<norc>
ddv: Nah.
<apeiros>
norc's business card: explorer of ruby internals ;-)
<norc>
:)
<apeiros>
I wish I had the time for such stuff :(
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<xybre>
norc: so are numbers, which are not objects in the VM
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<norc>
xybre: Sure they are.
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<xybre>
Addition and basic math isn't.
<norc>
xybre: for the fixnum 1 the INS putobject_OP_INT2FIX_O_1_C_ is used to push it onto the stack
<ruboto>
norc # => == disasm: <RubyVM::InstructionSequence:<compiled>@<compiled>>========== ...check link for more (https://eval.in/478850)
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<xybre>
Interesting, that's not the same VM code I was looking at a couple of days ago.
<norc>
The only thing in Ruby that is not an object is blocks.
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<xybre>
The stuff I was looking at was from pre-2.x I think though. I'll post it if I find it again, the interpretation of the bytecodes might just have been misleading.
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<xybre>
Yeah almost everything I said above is wrong, my memory sucks. :D
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<eam>
batu: gsub(a, b) vs gsub(a b) ?
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<Ox0dea>
Is comma the ew semicolo?
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<eam>
everyone loves the colon, hates the semicolon
<Ox0dea>
"Don't use semi-colons! They are transvestite hermaphrodites, representing exactly nothing."
<batu>
shit
<batu>
I totaly missed that
<batu>
thanks guys
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<eam>
batu: when it says "undefined method 'term'" probably look for each instance you use 'term' :)
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<Ox0dea>
Lie umers are also quite helpful.
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<Ox0dea>
I've also lost the use of my right Alt key; how could this day get worse?
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<batu>
I am trying to make a script that will parser several JS files, and it will substitute certain words (Lexicon). the script should take as an argument file name to be modified and outout the result on a file called filename+Modified
<Ox0dea>
No particularly good reason to do it a line at a time.
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<Ox0dea>
Line breaks are liable to cause some trouble, but maybe you don't have any between the multi-word terms?
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<batu>
the input file will look like jQuery code. and I need to replace some deprecated method names with others. In order to speed up a conversion process from AS3 to HTML5 and createJS
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<mrgrieves>
any suggestions on vim plugins to look at to help with writing in ruby? I know google can help me with that but wanted to hear first hand from ruby savvi people that are also vim users
<Ox0dea>
mrgrieves: Have you come to Vim from an IDE?
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<rethi>
mrgrieves: I just use a syntax highlighter and vim-ruby
<rethi>
I have heard good things about the vim-rails plugin. but I don't do much rails dev at all so never needed it
<mrgrieves>
yes, I've been looking at what vim-ruby gives me but it's very limited ... on mac for example if look for string methods I couldn't find an easy way to jump the long list of methos faster
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<mrgrieves>
it would be nice to paginate the list
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<mrgrieves>
vim-ruby-doc seems useful as well ...
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<mrgrieves>
but it doesn't seem to be maintained
<rethi>
yeah would be nice to have the docs to hand in vim. I should adopt that into my workflow!
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<rethi>
hmm no open issues, last commit 3 yrs ago. seems pretty dead
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<adaedra>
Under OS X you can look for the Dash app – not only Ruby-related, but it's a nice thing to have
<rethi>
Yeah Was just about to suggest that adaedra:
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<mrgrieves>
Thanks!
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<argoneus>
I don't even understand how come this can be used as a block
<argoneus>
info doesn't yield anything
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<Ox0dea>
argoneus: Every method receives an implicit block.
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<argoneus>
I just don't even understand what "info" even is, if it's an object or what
<Ox0dea>
It's a method.
<argoneus>
and why you have to put values in it so awkwardly
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<Ox0dea>
Unless there's some magic hidden elsewhere (not particularly unlikely), that `info do` is superfluous.
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<argoneus>
superfluous?
<Ox0dea>
Unnecessary.
<argoneus>
so the method "info" returns -some object-, and then I call that weird inject on it?
<Ox0dea>
No.
<ddv>
anyone know how I can generate a date range, reject some days for example sundays and extend the range with a next available day? Obviously I can do something like (Date.today..Date.today+5.days).reject{|day| day.sunday?} but this would remove sunday and make the range smaller
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<Ox0dea>
argoneus: Given the two snippets to which you've linked, that block doesn't even get executed.
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<arup_r>
Is my question so hard.. ? :)
<argoneus>
are you sure?
<Ox0dea>
`info` does receive it, but it's not invoking it, thus my suspicion that there must be some spooky action at a distance going on.
<ddubs>
the question was worded as if he wanted to read the cert from the connection and then *trust* from there
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<apeiros>
that would make little sense then, though. essentially the same as verify=none
<ddubs>
yea
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<pyoor>
hi all. Is there a recommended gem for monitoring a process's cpu usage on windows?
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<adaedra>
I thought freenode got better
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<ponzi>
In IRB Array#take gives me all methods for Array and also renders Ctrl+D, Ctrl+C pretty useless. What am I doing wrong (OS X 10.9/rbenv/ruby 2.2.3)?
<ponzi>
Sorry that should have been: help Array#take
<jhass>
press q
<ponzi>
jhass: How do I get the help for just the one method?
<jhass>
use pry
<jhass>
?pry
<jhass>
ah, bot is on the other side of the netsplit
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<havenwood>
ponzi: If you'd like to disable paging (where long results stop at the first page) in Pry add this to your .pryrc: Pry.pager = false
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<ponzi>
jhass: PRY gives me: Error: No help found for 'Array#take'
<jhass>
jmonreal: let's try something different: Please try to answer the question, don't just say "i don't know": What is the difference between "class" and "module"?
<pontiki>
class << self turns Limits into a singleton; you can only have *one* instance of a singleton, thus you can't create new instances of it
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<pontiki>
tho my understanding of that is shakey. these other folks can tell more about it
<jmonreal>
jhass: modules provide methods that can be shared or used across multiple classes
<hxegon>
pontiki: not exactly, but as I understand it ruby has trouble with implementing an actual singleton cleanly
<apeiros>
pontiki: class << self doesn't turn it into a singleton
<jmonreal>
a library
<pontiki>
see?
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<apeiros>
it opens the singleton class of `self` (could put another object there too)
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<jmonreal>
and classes are objects
<jhass>
jmonreal: okay, so that's what modules can do what classes cannot. Why would we use classes? What can they do what modules cannot?
<jmonreal>
an object is an instance of a class
<apeiros>
and (almost) every object has a singleton_class, and that singleton_class belongs precisely only to that object
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<apeiros>
and it's the place where methods which are only for that object are stored. like "class" methods.
<apeiros>
hope that explanation was helpful :)
* apeiros
gotta run for the train now…
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<jmonreal>
jhass: Classes to encapsulate certain behaviours of our object.
<jmonreal>
Modules can not be instanciated? only classes can create objects?
<hxegon>
Kind of a long shot, but does anyone have experience with :force_quotes option in CSV
<jmonreal>
jhass: so what I would need here is a Class instead of a Module
<jmonreal>
right?
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<hxegon>
jmonreal: AFAIK, no.
<jmonreal>
kinda lost here
<jhass>
jmonreal: you would need a class
<jhass>
jmonreal: and drop the class << self stuff
<jhass>
jmonreal: now scroll up, you were told that like four or five times by now
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<jhass>
?anyone hxegon
<ruboto>
hxegon, Just ask your question, if anyone has or can, they will respond.
<idjet>
how come you have to wear a seatbelt in a car but not in a motorcycle? motorcycles are more dangerous then car
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<hxegon>
idjet: because you don't want to be attached to a motorcycle when it crashes
<jhass>
?offtopic idjet
<ruboto>
idjet, this seems to be off-topic. Please move your discussion to #ruby-offtopic, to keep this channel free for Ruby related problems. Thanks!
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<jmonreal>
jhass: thanks, and is it possible to require 'ClassName' ?
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<jhass>
jmonreal: require loads files
<idjet>
hexagon you don't want to be attached to a car either with that logic
<jhass>
jmonreal: you give it filenames
<jmonreal>
ok, thanks
<jhass>
that files may or may not happen to define a class, module or whatever
<hxegon>
idjet: no, a car is all around you, while you are very exposed during a crash on a motorcycle, but I'm moving this to offtopic
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<argoneus>
tbh if you crash a bike at high speed you are probably dead anyway
<hxegon>
argoneus: very true.
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<argoneus>
and if you aren't dead you will wish you were
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<hxegon>
Does anyone have enough experience with the :force_quotes option in CSV to show me a working example of it?
<hxegon>
jhass: that better? :)
<jhass>
hxegon: a little bit. Even better would be to show what you tried and what your issue with your attempt is
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<jhass>
argoneus: #ruby-offtopic, for you too ;)
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<argoneus>
what the fuck
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<argoneus>
is freenode being ddos'd again?
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<shevy>
LET'S COUNTERBOMB
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<blub>
hi shevy
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<idjet>
is terrorism allowed in this chat room?
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<baweaver>
where 0 is the initial value of accumulator (otherwise it's the first value of the collection) and each return of the block is the next accumulator
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<baweaver>
so the first run it'd be acc = 0, i = 1, new_acc = 1
<adaedra>
You don't need the 0 in this case, as `+ 0` is never modifying the result.
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<baweaver>
what if it's empty?
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<baweaver>
more of a safety thing
<adaedra>
Ah, yes.
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<baweaver>
it costs 3 characters so I just do it regardless as I don't trust users / code very much.
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<sjums>
ah, probably best practice ;)
<sjums>
but for now I know my source :P
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<JoshL>
Does ruby core have a site somewhere to see the pass/fail status of tests and/or nightly compiles? Like a Jenkins setup or something?
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<JoshL>
Nevermind it was right in front of my face and I'm stupid. http://rubyci.org/, for the curious
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<hxegon>
or rather, individual fields should all be quoted
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<adaedra>
ah
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<machinewar>
anyone have experience sending file in a post request, need to post a PDF, but not sure how to serialize it
<adaedra>
machinewar: depends on your HTTP library.
<machinewar>
could I just open the file then send that object as request body?
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<machinewar>
adaedra: was thinking net/http
<adaedra>
depends on the service you're sending to, but usually files are sent throught multipart.
<adaedra>
through*
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<machinewar>
that's what i was thinking, but not sure if its as easy as setting content-type to 'multipart/form-data' and giving path to file
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<machinewar>
from docs "At this time Net::HTTP does not support multipart/form-data. To send multipart/form-data use Net::HTTPGenericRequest#body= and Net::HTTPHeader#content_type=:" *damn* lol
<ruboto>
apeiros # => /tmp/execpad-dbe854ff7bf2/source-dbe854ff7bf2:7: syntax error, unexpected end-of-input, expecting ke ...check link for more (https://eval.in/479361)
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<apeiros>
that's the straight translation of yours to correct ruby
<adaedra>
MTeck: then go on, split the expression, and ask about parts you don't understand
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<MTeck>
adaedra: Sorry, I didn't mean to imply that I didn't think it was right. I 100% believe what you wrote is exactly what I need. I just prefer wrapping my head fully around anything I use just for the sake of learning.
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<Sou|cutter>
that's a good attitude to have!
<adaedra>
MTeck: you didn't get me. I was telling you to tell me/us what you don't understand in the expression, so I/we can explain it.
<MTeck>
ah :)
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<adaedra>
Unfortunately, it's time for me to get away from the keyboard, but other people here will surely be happy to explain you what's happening above if you ask about it.
<MTeck>
To be honest, I don't know what %w is, or how the whole thing expands in ruby logic. I think I just need to read and look at it for a while. I'll ask questions after that. I want to understand the regex one too.
<mordocai>
Hey, i'm getting this when installing ruby 2.2.2/2.2.3 with ruby-build on debian testing. Is this a library version issue? Anyone know? Worked fine a few months ago http://paste.lisp.org/display/163730.
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<grill>
yo. why would popen3 + rsync hang forever? if i'm trying to capture and print all lines from stdopen?
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<grill>
err stdout
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<grill>
ok. lets try something different. how would i count the number of lines coming out of stdout and then if it's more than 3, return true, else return false?
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<grill>
lets try something different: why is python better than ruby
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<apeiros>
grill: trolling is not welcome on this channel.
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<grill>
:)
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<TheCompWiz>
is anyone here good at battling Process + IO issues?
<jhass>
?anyone
<ruboto>
Just ask your question, if anyone has or can, they will respond.
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<apeiros>
TheCompWiz: I heard anyone is quite bad at programming and thus left for masonry work
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<TheCompWiz>
I've got a fun project that spawns tons of threads... using "Process.spawn" ... that I need to gather the output from... and if the output is too big... the process never completes. I suspect there is some sort of buffering issues using the IO.pipe... and am hoping someone can shed some light on the subject
<apeiros>
TheCompWiz: Process.spawn does not create threads, it creates processes.
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<TheCompWiz>
technically since the pgid is still the main ruby thread... it is a thread. it isn't detached.
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<eam>
TheCompWiz: no, spawn will create a separate process
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<eam>
TheCompWiz: there's buffering in a pipe pair but that is likely not your issue
<eam>
can you show code?
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<apeiros>
TheCompWiz: threads and processes ain't the same. and if you mean OS level thread, you should be clear about that (but even then you'd be wrong)
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<Synthead>
is there a variable type that'll allow me to set something like a.b.c = "5" and retrieve it via a.b.c?
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<Synthead>
like a hash, just using accessors instead of ["x"]
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<norc>
Synthead: Sure. It is called a class.
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<norc>
Or more generally an object.
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<apeiros>
Synthead: a.b would have to return an object which responds to c
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<apeiros>
or rather, to c= and c
<apeiros>
Synthead: also variables don't have a type (ruby is dynamically typed)
<Synthead>
oh sure, I was thinking a kind of class I could create a variable from
<apeiros>
that's neither what's happening :)
<Synthead>
Hash.new?
<apeiros>
does not "create a variable"
<Synthead>
a = Hash.new
<apeiros>
it creates an object. and you assign that object to a variable
<Synthead>
declares a, right?
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<Synthead>
ah, ok
<jhass>
Synthead: google for "recursive openstruct" and then learn why you don't want it
<norc>
Synthead: It creates an instance variable called "a" and assigns the object to it.
<apeiros>
there isn't really declaration in ruby either. you could consider the first assignment a declaration. but IMO that's incorrect.
<norc>
jhass: But I started using openstructs all over my place. They are beautiful. :)
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<jhass>
and slow
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<norc>
Bah, we live in the time of gigahertz.
<apeiros>
hm, maybe a more correct case of declaration: when defining a method or block
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<norc>
apeiros: Actually I think in this context "declaration" makes sense with methods and variables.
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<apeiros>
norc: ^
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<norc>
by stating "a = 1" you are not only creating an instance variable, but you make it known to the parser that "a" is now a variable and not a method.
<ruboto>
pastebin.com loads slowly for most, has ads which are distracting and has terrible formatting.
<Synthead>
jhass: this looks exactly like what I'm looking for. why don't I want it?
<apeiros>
norc: s/instance//
<apeiros>
or s/instance/local/
<norc>
Sorry indeed.
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<jhass>
Synthead: read on, you should find an explanation sooner or later
<apeiros>
and the variable doesn't necessarily created *there*
<Synthead>
jhass: that's not very helpful :p
<norc>
apeiros: The relevant bit was about the parser cache though.
<apeiros>
anyway, not interested in arguing semantics. I rather just declare my point. :)
<norc>
Absolutely. :)
<TheCompWiz>
for what its worth... there's the gist. ... if the process output is 60k ... works fine. if the process output is 3m... the process never terminates.
<TheCompWiz>
or rather... it is killed.
<TheCompWiz>
(as per design)
<TheCompWiz>
and yes... I apollogize for everything being named "fork"... just treat "fork" as the PID of the sub-process.
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<adaedra>
> spoon = fork(); // Real code I've written once.
<TheCompWiz>
lol
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<norc>
TheCompWiz: Without seeing the full code it is hard to judge. You could do some kind of profiling to get an idea what might be slowing things down. Or use gdb/strace to figure out where it is supposedly stuck.
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<diegoviola>
adaedra: there is no spoon
<TheCompWiz>
norc: that is enough of the full code to be fully functional. the command is a basic linux program that you definately won't have on your computer. You can use your imagination... and write a bash script to output the numbers from 1 to 3 million.
<adaedra>
> test.c:2:3: error: use of undeclared identifier 'spoon'
<adaedra>
You're right, diegoviola. `int spoon = fork();` should be better.
<adaedra>
now, for something completely different.
<norc>
TheCompWiz: Yeah, personally I would just attach gdb first thing.
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<norc>
Or strace.
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<norc>
TheCompWiz: 3m lines you say, avg length?
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<TheCompWiz>
could be anywhere from 10k characters to 3m or more.
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<symbol>
Are priate class methods generally a bad idea? It seems like I need to jump through hoops to get them to work.
<symbol>
Really not a fan of using class << self. It tends to confuse people.
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<TheCompWiz>
norc I've tried putting a preemptive period read in there hoping to empty the buffer and allow the process to continue... but that did absolutely nothing.
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<norc>
symbol: Nope. They are a good thing.
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<symbol>
extend self?
<apeiros>
extend self is an anti-pattern IMO
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<apeiros>
use module_function instead
<apeiros>
cf. Kernel, Math
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<Someone_Else>
I'm trying to implement an old patch in Ruby 2.0.0
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<apeiros>
private class methods are fine. see Module#private_class_method
<symbol>
I'm working on a facade type pattern around an external API. It's not really a class but a module is weird.
<norc>
symbol: What I mean is actually using visibility is a good thing.
<Someone_Else>
What is the current equivalent of ruby_eval_tree
<symbol>
Not sure I follow norc
<norc>
Someone_Else: are you looking for Ripper?
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<Someone_Else>
norc: No, I don't even have CD's around here
<norc>
symbol: Like apeiros said, you can define private class method like he described. Restricting visibility to only expose interface methods is a sound thing.
<apeiros>
symbol: "visibility" is the umbrella term for public, protected, private
<norc>
Someone_Else: If for any reason you are interested in the AST a piece of code generates, you can do that with Ripper.sexp or Ripper.sexp_raw. But as I said, since we have a VM a reference to the current AST is meaningless, since that is not what Ruby works on anymore.
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<Someone_Else>
norc: I have an issue building 1.8.1: compiling pty, no targets, error, stop
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<TheCompWiz>
Is there anyone in here who knows something more than a cursory knowledge of the IO class and its relations to the buffer limits?
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<norc>
Someone_Else: Why are you trying so hard to get that code up and running? What is your goal?
<TheCompWiz>
my goal is to spawn a bunch of processes and capture the output...
<norc>
(Before we talk about getting a 6 year old Ruby version running that is already end of life, using features that are long deprecated)
<TheCompWiz>
it's not rocket-science...
<Someone_Else>
TheCompWiz: exactly
<norc>
TheCompWiz: buffer size is probably 64kb
<apeiros>
Someone_Else: no need for sass.
<TheCompWiz>
norc: ok... any suggestions on how to flush the buffer and get the process to resume?
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<TheCompWiz>
I've tried setting up an interrupt every second, and forcing a read on the buffer... but that didn't do anything useful. If there was something to read... it would read the data on the 1st call... but all subsequent reads would return nothing (and also block execution)
<norc>
TheCompWiz: First I would strace properly into the application to verify this.
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<norc>
Which really is what I told you an hour ago. ;-)
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<TheCompWiz>
which is what I did... and it told me nothing new. execution stops on each process when the buffer gets full, and the code execution sits at the "wait" until the Timeout fires & kills the threads.
<norc>
TheCompWiz: So you verified that this is the case?
<TheCompWiz>
correct.
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<apeiros>
TheCompWiz: you only read after all spoons have finished?
<apeiros>
I think you should set up a Kernel.select loop which continuously reads ready pipes
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<norc>
TheCompWiz: You can use Open3.popen3 probably
<TheCompWiz>
apeiros: all documentation I've read says that the read should only be done after the process has terminated.
<apeiros>
TheCompWiz: documentation of what? pipe?
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<apeiros>
also link?
<TheCompWiz>
Process.spawn
<apeiros>
"read after process has terminated" sounds quite wrong. did you see that in ri Process.spawn?
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<TheCompWiz>
apeiros: ... honestly... as long as I've been banging my head on this... I honestly don't remember where I read about the "read after termination". ... but it is also in the examples.
<apeiros>
TheCompWiz: I don't see it. and as said, it sounds totally wrong. I seriously doubt that's in there.
<apeiros>
it directly contradicts common philosophy on IPC
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<apeiros>
so I'll just reiterate my advice: read ready pipes, using Kernel#select and read_nonblock
<apeiros>
or just read(CHUNK)
<apeiros>
probably actually rather the latter.
<TheCompWiz>
sadly... read_nonblock does block... and/or raises errors. which is funny.
<apeiros>
it raises errors when there's nothing to read - and under conditions where read would also raise
<apeiros>
and "does block"? how do you figure?
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<apeiros>
(but as said, I'd actually use read(CHUNK), it's quite probably faster, and through select you know there is data to read)
<norc>
apeiros has a good point though. the whole point of pipes is that you can have two concurrent processes using it for communication, which is what you are avoiding by not reading until the processes have terminated.
<TheCompWiz>
apeiros: reading now.
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<apeiros>
norc: not reading the pipes means it just fills the buffers, and usually buffers aren't meant to be *filled*. they should be ephemeral and emptied quickly.
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<apeiros>
also for readability sake I'd probably use Spoon = Struct.new(:read, :write, :pid); spoon = Spoon.new(*IO.pipe); spoon.pid = spawn(…); …
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<apeiros>
(spoon.pid, spoon.read etc. just reads so much nicer - additionally it's quite a bit faster)
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<nofxx>
Thinking a clever way to random colors.... RGB hex in the case. rand(0xFFFFFF).to_s(16).rjust(6, '0')
<adaedra>
looks ok.
<nofxx>
better ideas?
<apeiros>
norc: that'll never generate 0xffffff, though
<jhass>
there are some blogposts with algorithms for generating a "good looking" set of colors, if you care I'd suggest to google for such
<newdan>
If I'm in a method and I have an object and I keep calling a method on it like `my_fun_file.my_fancy_write "Hello"`, but I get tired of all that typing, is there a way to alias that to something shorter, in the scope of one method body? And preferably avoiding the `method_obj.('Hello')` syntax?
<adaedra>
why not 1 << 6, when you're at it, norc
<norc>
1 << 24 you mean
<norc>
but yeah
<adaedra>
Derp.
<apeiros>
newdan: get a decent editor.
<apeiros>
seriously, "it's too much to type" is a f'ing stupid reason for this kind of indirection.
<norc>
newdan: Learn to type faster.
<newdan>
apeiros: Don't even start, I'm using spacemacs
<mfqr>
Spacemacs?
<newdan>
Emacs distribution with vim keybindings and, I dunno, in space I guess
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<norc>
newdan: Doesn't it have some kind of magical autocomplete thing?
* mfqr
goes back to his show.
<norc>
auto-completion or something?
<newdan>
norc: It does. I can make it appear without typing but it still feels verbose
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<norc>
newdan: You should feel lucky you are not doing corporate Java development.
<nofxx>
great thank you guys, adaedra , apeiros
<newdan>
I should've suspected an IRC room would tell me to learn how to type or get a new editor rather than actually answer my question in any way
<newdan>
Thanks all
<apeiros>
nofxx: oh, lol, I thought norc had asked
<apeiros>
?guys nofxx <- though, this ;-)
<ruboto>
nofxx, Though inclusion was probably intended, not everyone relates to being "one of the guys". Maybe consider using "folks", "all", "y'all", or "everyone" instead?
<nofxx>
Cool... also, cops suggest #format over #%
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<apeiros>
that's one thing I beat out of cops
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<norc>
Here goes the cops hunting again.
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<apeiros>
not hunting. beating. it's useful once it has sane config ;-p
<Someone_Else>
norc: Managed to compile 1.8.1 w/ the given patch
<norc>
cops is sweet for refactoring these " into ' - but thats about it. :D
<nofxx>
apeiros, guess because its a from C thing
<apeiros>
though I'd still love a whitelist functionality, like "yes, line 1241 is over 100 chars, but it's fine, don't tell me again"
<blarghlarghl>
Hi. Is there a way to capture rspec output from a rake task when invoking the task via Rake::Task[task].invoke ? I'd like to capture the documentation output to a variable and print it all at the end in one go, rather than have it "build up" as it does. I tried redirecting $stdout, but no luck.
<apeiros>
nofxx: that'd be sprintf
<norc>
apeiros: I recommend upgrading your 19 inch screen if you adhere to 80 lines consistently.
<ninegrid>
I dunno, I'm kind of offended by being called folksy, and 'all' is too inclusive and doesn't acknowledge my individuality
<apeiros>
nofxx: which is actually what I prefer :D
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<nofxx>
apeiros, yup... in other words: foreign for the non C programmer
<zenspider>
blarghlarghl: "no luck" is not descriptive
<apeiros>
norc: 80 *lines*? you sure have short classes, sir (or mam);-p
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<apeiros>
nofxx: format is just as foreign
<norc>
Oh well.
<blarghlarghl>
zenspider: "no luck" as in, it completely ignores the fact that I am redirecting $stdout and keeps on doing what it normally does.
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<zenspider>
blarghlarghl: have you tried standard error?
<apeiros>
!kick ninegrid we're not interested. if you want to be inconsiderate, be that somewhere else.
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<norc>
apeiros: Wasn't so hard. s/\n/;/ sorts all your rubocop warnings about long methods.
<blarghlarghl>
zenspider: This time round, no, but I did last time. (This is an old problem I'm coming back to.) Let me confirm that it doesn't work and get back to you in 2 minutes.
<zenspider>
blarghlarghl: are you redirecting at the shell level, or trying to do it w/in ruby?
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<norc>
apeiros: It gives you this warm feeling of happiness when you know you improved your code quite a bit, now that rubocop is no longer complaining about THAT.
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<blarghlarghl>
zenspider: within ruby, as in redirecting $stdout = StringIO.new, run the block, then $stdout = STDOUT to restore things to sanity.
<blarghlarghl>
zenspider: (that is, all of that with relevant local variables to be able to assign/reassign and print later, but this is the general method I'm using.)
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<nofxx>
apeiros, ops... agreed. I tought it was String#format, it's ... main#format .... core? kernel?
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<apeiros>
nofxx: Kernel
<apeiros>
nofxx: all pseudo-functions are in Kernel
<zenspider>
blarghlarghl: you shouldn't assume that rspec (or minitest) uses $stdout to output
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<Papierkorb>
zenspider: may not be ideal for you, but you can also run the specs in their own process and then not fiddle with $stderr and friends
<blarghlarghl>
zenspider stderr also no luck.
<jbrhbr>
how come there is no .to_bool?
<zenspider>
blarghlarghl: `rake &> output.txt` is a much cleaner way
<blarghlarghl>
zenspider: Yeah. That's kinda why I'm here :)
<nofxx>
apeiros, thanks.... very functional for... ruby heheh
<zenspider>
jbrhbr: why should there be? everything is truthy or falsey
<blarghlarghl>
zenspider, Ah, no, that's not an option for us - can't really shell out.
<Papierkorb>
jbrhbr: ruby doesn't have a Boolean class.
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<jbrhbr>
there's TrueClass and FalseClass. i'm surprised they don't inherit from BooleanClass
<zenspider>
blarghlarghl: how do you write a test that verifies its output if rspec actively uses $stdout to print its output at the same time?
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<nofxx>
jbrhbr, yeah... what confuses a lil is that ODM/ORM create the Boolean. AR or mongoid for instance
<Papierkorb>
jbrhbr: what is .to_bool supposed to do, and on which class?
<blarghlarghl>
Papierkorb: I'm the one with the issue - saw your message. I am running them in my own process - everything inside a fork. But not its own process the way you mean probably.
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<blarghlarghl>
zenspider: Right. That makes sense - I see why rspec is doing things that way.
<zenspider>
blarghlarghl: "can't shell out"? you run your tests. there's probably a shell SOMEHERE
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<jbrhbr>
Papierkorb: logic consistent with the application of ruby's truthiness, so !!v basically
<Papierkorb>
blarghlarghl: yeah I'd do `bundle exec rspec` or something
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<jbrhbr>
zenspider: it's a fair question i suppose and i don't have a good answer
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<jbrhbr>
'data clealiness' is the best i can come up with
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<blarghlarghl>
zenspider: Oh, it's not a case of technically can't. We can. It's just that there's a _lot_ of environment setup that happens before the test task gets called which would get lost if we shell out.
<jbrhbr>
if you're persisting some value and you want to constrain it to boolean, it's nice if it's actually false rather than nil
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<Papierkorb>
jbrhbr: in theory, it's just: class Object; def to_b; !!self; end; end
<jbrhbr>
Papierkorb: exactly
<Papierkorb>
jbrhbr: I'm not sure if that's a good idea, but when considering active support .. nobody cares I guess
<blarghlarghl>
zenspider: I guess if there's no sane way of redirecting RSpec's in-ruby output, then I'll have to figure out a way to move the env setup behind the shell-out.
<blarghlarghl>
zenspider: but that's very subideal.
<jbrhbr>
Papierkorb: it's more consistent is all, since there's .to_whatever for all of the other cases
<jbrhbr>
rather than requiring someone to write !! in one case
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<Papierkorb>
jbrhbr: sure, and as even stuff like json or yaml patch themselves (in Rails) into any object ..
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<NightMonkey>
Howdy. Dumb SysAdmin here. How do I get 'ri' to show me information about methods available to 'self'?
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<apeiros>
NightMonkey: you need to figure out what self is first
<apeiros>
self.class
<NightMonkey>
Ex: 'ri self.clone'
<NightMonkey>
Oh!
<apeiros>
but clone is inherited from Object, so Object#clone:
<apeiros>
and `class` is an instance method, so in documentation, it is referred to as Object#class (instance method 'class' of class 'Object')
<NightMonkey>
Sorry! I meant "#". Also "Object::class" comes up empty.
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<apeiros>
yupp, because it's an instance method ;-)
<apeiros>
if you're not sure, use .
<NightMonkey>
apeiros: Ah, weird. Perhaps some of my docs are missing...
<apeiros>
in documentation, Object.class is "either instance or class method" (IMO a bad choice, but that's how it is)
<apeiros>
NightMonkey: hm, usually either *all* core docs are missing, or none
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<apeiros>
NightMonkey: does `ri Array` say "Unknown xxx" too?
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<NightMonkey>
apeiros: Well, you helped me answer this question - thank you!
<apeiros>
yw
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<apeiros>
NightMonkey: if above says "nothing known" (or similar) too, then it means you don't have core docs installed. depending on your distro, you have to install another package.
<NightMonkey>
apeiros: I'm using rvm, fwiw.
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<NightMonkey>
With ruby-2.2.1.
<norc>
Though here is a question: Why is this not working?
<NightMonkey>
apeiros: You are solving more than I asked for. I like it. :)
<apeiros>
NightMonkey: also, use pry and install pry-doc. pry is like irb, but slightly better. then you can do `? self.class` and it'll show you the docs.
<NightMonkey>
Oh!
* NightMonkey
dissolves into a puddle of happiness.
<Papierkorb>
"slightly better" Oô;
<apeiros>
`$ self.class` will show you its source code (doesn't work for native C methods of extensions)
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<apeiros>
Papierkorb: up to you to define how large "slightly" is ;-)
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<blarghlarghl>
why has no one ever told me about pry?
<blarghlarghl>
man
<blarghlarghl>
thanks apeiros
<NightMonkey>
apeiros: I am a huuuge fan of anything that extends tab-completion. :)
<apeiros>
blarghlarghl: the brochures have been in the office for months!
<yxhuvud>
blargh: you have lived under a rock?
<NightMonkey>
I am now mostly a "Tab Completion Engineer".
<jbrhbr>
pry has its issues still from what i've seen
<jbrhbr>
i want to try out the ruby notebook thing
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<norc>
apeiros: You probably know this. Then I fiddle around in Ruby causing an access violation, the linux kernel will just seng SEGV to the offending process right?
<blarghlarghl>
apeiros: :D
<Papierkorb>
blarghlarghl: try raising anything, and then ask pry what you ask yourself: wtf?!?!?
<Papierkorb>
I'm not kidding. do it.
<apeiros>
f'ing trump! (not the idiot, the gamer) - why can he brawl and I can't?!?
<blarghlarghl>
Papierkorb: Beautiful.
<blarghlarghl>
Papierkorb: I like the progression when adding more and more ?!'s
<apeiros>
ugh. blizzard. y u so bad at math? 20.00 -> 0.00 is NOT 20h
<Papierkorb>
blarghlarghl: show-code Foo#bar shows the code, but I like edit Foo#bar better
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<apeiros>
show-code = $ btw.
* apeiros
too lazy to type show-code
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<Papierkorb>
was always annoying to type that. thanks.
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<apeiros>
I quite dislike the `wtf?!?!?!?!` mechanic of pry, though
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<shevy>
hah
<Papierkorb>
blarghlarghl: require 'pry' in your project, and then call "binding.pry" anywhere to get into a pry shell. try 'ls' to list everything `self` can see directly. et cetera
<blarghlarghl>
apeiros: it's a bit cutesy. i can see why it'd be annoying.
<Papierkorb>
apeiros: there's always cat --ex
<blarghlarghl>
Papierkorb: pry(main)> show-code Array#first # => SyntaxError: unexpected tCONSTANT, expecting keyword_do or '{' or '('
<blarghlarghl>
Papierkorb: Am I being dumb? I'm being dumb, right?
* adaedra
waves goodbye
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<al2o3-cr>
should be show-source
<blarghlarghl>
Ah.
<blarghlarghl>
Yep, that'll do it. Thanks :)
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<Papierkorb>
blarghlarghl: Pry also parses documentation by itself for pretty printing. no need to have a yard server running: show-doc YourOwn#method
<norc>
Seriously, why can I longjmp out of segmentation fault caused by an actual access violation, but not from one triggered by SEGV manually
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<blarghlarghl>
Papierkorb: thank you :)
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<Papierkorb>
blarghlarghl: one last thing, there's also the 'pry-rails' gem for rails integration, which replaces irb for rails console. you can then also call binding.pry in your controllers et al, the console will show in the terminal where you started the server (Though better_errors is also good)
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<blarghlarghl>
Papierkorb: that's neat too - though we aren't a Rails shop. :)
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<Porfa>
hello! :)
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<Papierkorb>
hi
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<shevy>
Porfa is back to haunt #ruby again yay
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<Porfa>
shevy: hahah :) im just hanging out, unfortunally for you of course :p
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<Porfa>
i haven’t been coding, been learning other things, i miss having the change to be just on ruby
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<ivanskie>
sinisterchipmunk are you around?
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<ivanskie>
guess not
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<amincd>
what does this do: str[regex, fixnum]?
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<ethe>
What is the difference between = and << ?
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<amincd>
how do I match the two Ls in "HELLO" using the str[regex, fixnum] syntax?
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<amincd>
what does the fixnum argument do?
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<havenwood>
amincd: str[regexp, capture] → new_str or nil