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close vs shutdown socket?
...a.
close() decrements the descriptors reference count (maintained in file table entry and counts number of descriptors currently open that are referring to a file/socket) and does not close the socket/file if the descriptor is not 0. This means that if you are forking, the cleanup happens only afte...
vbscript output to console
...aples - Not w/ the stock WScript.Echo. I suppose, if you wanted to stay totally within WScript you could do something horrifyingly dodgy like Exec'ing off another process to do a "SendKeys" to the parent process to close the MessageBox.
– Evan Anderson
Jun 22 '...
Converting from longitude\latitude to Cartesian coordinates
...error using an approach like the "Haversine Formula", which may be an acceptable amount of error in your case. You will always have some amount of error unless you're talking about a distance of a few feet and even then there is theoretically curvature of the Earth... If you require more rigidly W...
Where should signal handlers live in a django project?
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I actually like to make them classmethods of the model itself. That keeps everything within one class, and means you don't have to worry about importing anything.
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Principal component analysis in Python
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Months later, here's a small class PCA, and a picture:
#!/usr/bin/env python
""" a small class for Principal Component Analysis
Usage:
p = PCA( A, fraction=0.90 )
In:
A: an array of e.g. 1000 observations x 20 variables, 1000 rows x 20 colum...
How to sort strings in JavaScript
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No, I mean the first line of the table, @Adrien - IE supports localeCompare() going back many versions, but does not support specifying the locale until version 11. Note also the questions that Dead.Rabit linked to.
– Shog9
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How to implement a binary tree?
...ice implementation. I'm just here to point out some style stuff. python usually does node is not None instead of your (node!=None). Also, you can use the __str__ function instead of the printTree method.
– Jeff Mandell
Oct 18 '15 at 2:30
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What are the most common font-sizes for H1-H6 tags [closed]
...d depend on the browser's default stylesheet. You can view an (unofficial) table of CSS2.1 User Agent stylesheet defaults here.
Based on the page listed above, the default sizes look something like this:
IE7 IE8 FF2 FF3 Opera Safari 3.1
H1 24pt 2em 32px ...
SQL Server - inner join when updating [duplicate]
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this gives me ERROR: table name "ProductReviews" specified more than once in postgresql
– Johhan Santana
Apr 26 '17 at 16:54
1...
Can someone explain __all__ in Python?
I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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