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Which is faster: while(1) or while(2)?
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Even with no optimizations (-O0), the generated assembly was identical for both programs. Therefore, there is no speed difference between the two loops.
For reference, here is the generated assembly (using gcc main.c -S -masm=intel with an optimization flag):
With -O0:
.file "main.c"
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Nested defaultdict of defaultdict
Is there a way to make a defaultdict also be the default for the defaultdict? (i.e. infinite-level recursive defaultdict?)
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How to open a new window on form submit
I have a submit form and want it to open a new window when users submits the form so i can track it on analytics.
9 Answers...
Why declare unicode by string in python?
... you're telling Python the source file you've saved is utf-8. The default for Python 2 is ASCII (for Python 3 it's utf-8). This just affects how the interpreter reads the characters in the file.
In general, it's probably not the best idea to embed high unicode characters into your file no matter ...
Error to install Nokogiri on OSX 10.9 Maverick?
I upgraded my OSX (Lion) to Mavericks and I can't install Nokogiri for my projects.
30 Answers
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Python 2.7: Print to File
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print(args, file=f1) is the python 3.x syntax.
For python 2.x use print >> f1, args.
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How can I use threading in Python?
...itely check out (no affiliation) - Parallelism in one line: A Better Model for Day to Day Threading Tasks. I'll summarize below - it ends up being just a few lines of code:
from multiprocessing.dummy import Pool as ThreadPool
pool = ThreadPool(4)
results = pool.map(my_function, my_array)
Which is t...
Zero-pad digits in string
...n a string. The following code does that:
$s = sprintf('%02d', $digit);
For more information, refer to the documentation of sprintf.
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Change SVN repository URL
... repository probably won't change.
Note: svn relocate is not available before version 1.7 (thanks to ColinM for the info). In older versions you would use:
svn switch --relocate OLD NEW
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how to return index of a sorted list? [duplicate]
...ist and then return a list with the index of the sorted items in the list. For example, if the list I want to sort is [2,3,1,4,5] , I need [2,0,1,3,4] to be returned.
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