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Escaping regex string
...this:
4.2.3 re Module Contents
escape(string)
Return string with all non-alphanumerics backslashed; this is useful if you want to match an arbitrary literal string that may have regular expression metacharacters in it.
A simplistic example, search any occurence of the provided string opt...
Get an array of list element contents in jQuery
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api.jquery.com/map explains why there's a .get() necessary ("As the return value is a jQuery-wrapped array, it's very common to get() the returned object to work with a basic array.").
– Kitto
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Why does Convert.ToString(null) return a different value if you cast null?
...alue is null."
EDIT:
As to whether this is a "bug in the spec", "very bad API design", "why was it specified like this", etc. - I'll take a shot at some rationale for why I don't see it as big deal.
System.Convert has methods for converting every base type to itself. This is strange - since no con...
How do you get the list of targets in a makefile?
...ed rake a bit (a Ruby make program), and it has an option to get a list of all the available targets, eg
20 Answers
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jQuery & CSS - Remove/Add display:none
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@Paul Sorry, I was thinking of the toggle event api.jquery.com/toggle-event
– TylerH
Aug 22 '15 at 23:21
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Gunicorn worker timeout error
...hen, in order to save resources with many concurrent connections: pip install gevent , then worker_class gevent in your config file or -k gevent on the command line.
– little_birdie
Jan 5 '16 at 4:11
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Static class initializer in PHP
I have an helper class with some static functions. All the functions in the class require a ‘heavy’ initialization function to run once (as if it were a constructor).
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Calculate difference in keys contained in two Python dictionaries
...s:
diff = set(dictb.keys()) - set(dicta.keys())
Here is a class to find all the possibilities: what was added, what was removed, which key-value pairs are the same, and which key-value pairs are changed.
class DictDiffer(object):
"""
Calculate the difference between two dictionaries as:
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What are the differences between numpy arrays and matrices? Which one should I use?
...ted/numpy.matrix.html
As other answers already state that you can achieve all the operations with NumPy arrays.
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How to create separate AngularJS controller files?
I have all of my AngularJS controllers in one file, controllers.js. This file is structured as follows:
6 Answers
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