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What is the “owning side” in an ORM mapping?
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Why is the notion of a owning side necessary:
The idea of a owning side of a bidirectional rel...
How can I quantify difference between two images?
... img2 = to_grayscale(imread(file2).astype(float))
# compare
n_m, n_0 = compare_images(img1, img2)
print "Manhattan norm:", n_m, "/ per pixel:", n_m/img1.size
print "Zero norm:", n_0, "/ per pixel:", n_0*1.0/img1.size
How to compare. img1 and img2 are 2D SciPy arrays here:
def comp...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
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708
You could also pass the content to the pseudo element with a data attribute and then use jQuery...
Using -performSelector: vs. just calling the method
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edited Sep 29 '09 at 18:25
bbum
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How to compare two Dates without the time portion?
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30 Answers
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Python logging not outputting anything
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edited Aug 10 '11 at 19:58
murgatroid99
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Given an emacs command name, how would you find key-bindings ? (and vice versa)
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To just find key bindings for a command, you can use emacs help's "where-is" feature
C-h w comm...
What is the purpose of global.asax in asp.net
...events that are listed (and created by default, at least in Visual Studio 2008):
Application_Start
Application_End
Session_Start
Session_End
Application_BeginRequest
Application_AuthenticateRequest
Application_Error
There are other events that you can also hook into, such as "LogRequest".
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What does @@variable mean in Ruby?
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A variable prefixed with @ is an instance variable, while one prefixed with @@ is a class variab...
What do the python file extensions, .pyc .pyd .pyo stand for?
....pyc’ or ‘.pyo’ file directly on the command line.
Note:
On 2015-09-15 the Python 3.5 release implemented PEP-488 and eliminated .pyo files.
This means that .pyc files represent both unoptimized and optimized bytecode.
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