<Radar>
Is there something like https://eslint.org/docs/rules/ but for Rubocop's rules? My main thing with Rubocop is: "why is Rubocop complaining about _this_ code? What can I do to fix it?". When I'm trying to teach newbies Rubocop's rules / reasons I would _love_ to have something to point them to.
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<Radar>
havenwood: I think that manual dir is exactly what I was looking for. Thank you.
<Radar>
I think I can direct newbies well enough to find what they're looking for in that dir
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<xco>
hi, if i have something like this “data = eval(row.strip)” can i just remove the “eval”?
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<garyserj>
I am trying File.open("b.b","rb") do |f| and within that, while(line=f.gets) puts line. It works, I figured it works because f.gets returns false when there is nothing more to get. But I notice that puts false, is an error. So I can't see how it works?
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<strk>
how do I declare a local variable ?
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<tobiasvl>
strk: you initialize it
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<dminuoso>
Oh but you can declare it without initializing it!
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<strk>
it looks like my problem was with uppercase, considered a constant
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<dionysus69>
is ethereum-ruby development suspended? last commit seems to have been 2 years ago
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<strk>
how do I check if a variable is defined ?
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<DarkUnicorn>
check defined? some_var for nil
<DarkUnicorn>
but I have never seen this in the wild
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<strk>
uhm, I'm still getting errors about undefined names when using if defined? ...
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<strk>
seems to be about "#{role}"
<strk>
if defined? role
<strk>
something
<strk>
else
<strk>
role = ""
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<strk>
end
<elomatreb>
You should probably find the cause for that and fix it properly instead of checking for variables. It's generally considered an antipattern
<strk>
print "#{role}"
<strk>
fails
<strk>
oh, role = "-" instead of role = "" passes
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<DarkUnicorn>
to set an default if unset, try role |= ""
<ryzokuken>
hey everyone! I am using CI::Reporter to generate reports of my tests so that I can post those back in a PR if something goes off. I have been trying to uses ruby-prof for testing performance, but it is having issues with the Reporter. The reporter is probably unable to parse it's results, and I'm kinda stuck. Could anyone please help??
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<apeiros>
yes. hence I doubted that you have that in the file where you have the "using".
<apeiros>
hence "for obvious reasons"
<dminuoso>
apeiros: Just to put this into context, I asked amatas to use a refinement yesterday - and kind of threw him into cold water.
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<dminuoso>
;-)
<amatas>
do I need to refine all the methods of YAML to reach the format_time method?
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<amatas>
dminuoso: hi!
<apeiros>
yeah, I don't think they'll get that to work with refinements, since they almost certainly will not invoke the method directly.
<apeiros>
amatas: good question. I'm not sure whether that'd actually work.
<dminuoso>
apeiros: Ah. Alright.
<apeiros>
I'd have to create a little lab to test that :)
<apeiros>
(and not having the time to do it right now)
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<amatas>
ok, the original problem that I have is that the Psych module dumps the time data in an incorrect format for my application. That's why I'm tring to revine that method.
<amatas>
refine*
<dminuoso>
apeiros: Tried and it doesn't work.
<dminuoso>
am
<apeiros>
good to know
<apeiros>
too bad tenderlove doesn't idle in here anymore
<apeiros>
could have pinged him about it
<dminuoso>
amatas: My thought is: Just monkey patch it directly.
<dminuoso>
The change you want is not too horrible.
<dminuoso>
amatas: Is this part of a larger program, or just some utility script?
<amatas>
and it is a simple output for an external application
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<amatas>
util script
<dminuoso>
Oh well. Monkey patch away, forget the refinement.
<amatas>
:)
<dminuoso>
apeiros: from what I hear he sometimes does lurk around
<dminuoso>
?seen tenderlove
* dminuoso
pokes ruby[bot]
<apeiros>
ruby[bot] doesn't have that functionality
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<apeiros>
ask nickserve IMO
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<dminuoso>
apeiros: Must have been helpa then.
<dminuoso>
!seen tenderlove
<apeiros>
yes. !seen there
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<Bish>
hi guys, anyone got particular experience with rendering html to png?
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<Bish>
with ruby that is ofcourse
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<Burgestrand>
Bish I've used wkhtmltopdf in the past, and I've a vague memory of taking screenshots through capybara too :d
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<arup_r>
but I don't know what was wrong in my old code.. hehe
<apeiros>
heh
<pwnd_nsfw>
Or, even better
<arup_r>
but i am 100% sure my code is fauly
<pwnd_nsfw>
start from the end, find the first period
<pwnd_nsfw>
DONE
<apeiros>
I'd probably go with sub over require 'rake' :)
<apeiros>
sub(/\.bar\z/, '.foo')
<pwnd_nsfw>
Or, reverse the string, string[0..index_of_first_period].reverse
<pwnd_nsfw>
ez
<pwnd_nsfw>
Who knows which is more efficient without testing though
<pwnd_nsfw>
On that note, time for a nap
* apeiros
would put his money on sub
<apeiros>
and I'd expect the difference to grow with string length
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<garyserj>
I am trying File.open("b.b","rb") do |f| and within that, while(line=f.gets) puts line. It works, I figured it works because f.gets returns false when there is nothing more to get. But I notice that puts false, is an error. So I can't see how it works?
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<apeiros>
garyserj: what do you mean "puts false is an error"?
<apeiros>
and yes, it works by f.gets returning nil upon EOF (end-of-file)
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<apeiros>
wow, gets an answer within the same minute, and doesn't bother to respond for 10min…
<apeiros>
sometimes I can't help but wonder about people
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<garyserj>
apeiros: if I puts f.gets and f.gets returns nil, then what would it puts?
<garyserj>
apeiros: thanks for answering, I was afk
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<craysiii>
Hey everyone, a few weeks ago I read a blog where the author used some gem or built-in method to show how many times certain methods were being called while evaluating a piece of code, but can't remember what it was or what the article was. Any ideas?
<apeiros>
craysiii: ruby -rprofile
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<apeiros>
there are gems which do the same/similar but with better performance (-rprofile slows down your code by ~100x)
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<craysiii>
thats the one, thanks apeiros. any suggestions on the faster gems?
<apeiros>
search rubygems.org for "profile"
<craysiii>
will do thanks!
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<zenspider>
rawr
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<adaedra>
run away it's a ferocious zenspider
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<_sfiguser>
guys what do you think about perl ?
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<aScottishBoat>
_sfiguser, I asked that same question earlier a la "Am I evil if I use perl?"
<aScottishBoat>
mate do you use it?
<_sfiguser>
aScottishBoat, yeah i really like it...
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<_sfiguser>
but don't know why people says it's dead...
<_sfiguser>
i mean why ?
<aScottishBoat>
_sfiguser, awesome. Want to meet me in #ruby-offtopic and explain to me why? I'd really like to get my hands dirty with it
<_sfiguser>
ok
<aScottishBoat>
>> puts "perl's not dead!"
<ruby[bot]>
aScottishBoat: # => perl's not dead! ...check link for more (https://eval.in/919288)
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<slester_>
Is there a way to test REST endpoints that insert things into the database and then read from it with a mock database? For instance, testing a POST followed by a GET without a database.
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<slester_>
Would I have to override the save and fetch methods in that case?
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<darix>
maybe also add 2.5.0.rc1 to the list?
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