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Where to define custom error types in Ruby and/or Rails?
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+50
For Gems
I have seen many times that you define exceptions in this way:
gem_dir/lib/gem_name/exceptions.rb
and defined as:
mod...
Java Persistence / JPA: @Column vs @Basic
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answered Sep 5 '09 at 14:10
djnadjna
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How to un-escape a backslash-escaped string?
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answered Dec 11 '09 at 1:04
ChristopheDChristopheD
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_=> what does this underscore mean in Lambda expressions?
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edited May 6 '10 at 4:11
answered May 6 '10 at 4:04
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Releasing memory in Python
...mport gc
import psutil
proc = psutil.Process(os.getpid())
gc.collect()
mem0 = proc.get_memory_info().rss
# create approx. 10**7 int objects and pointers
foo = ['abc' for x in range(10**7)]
mem1 = proc.get_memory_info().rss
# unreference, including x == 9999999
del foo, x
mem2 = proc.get_memory_in...
Xcode 4.5 Storyboard 'Exit'
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in a storyboard
The good news is that there is a session from WWDC 2012 explaining those creatures (among other things).
You can just login to Apple's iOS Dev Center with your developer account details and then go to the WWDC 2012 videos page and watch "Adopting Storyboard in your App" (it'...
How to check for the type of a template parameter?
...BKerrek SB
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2
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How to read and write INI file with Python3?
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edited Dec 24 '12 at 4:07
user904550
answered Jan 16 '12 at 18:34
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Remove all classes that begin with a certain string
...jQuery, the actual DOM element is at index zero, this should work
$('#a')[0].className = $('#a')[0].className.replace(/\bbg.*?\b/g, '');
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improve this answer
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follo...
Extract digits from a string in Java
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edited Sep 7 '16 at 20:24
Matt
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answer...