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Difference between modes a, a+, w, w+, and r+ in built-in open function?
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The opening modes are exactly the same as those for the C standard library function fopen().
The BSD fopen manpage defines them as follows:
The argument mode points to a string beginning with one of the following
sequences (Additional characters may follow ...
CSS Image size, how to fill, not stretch?
... friendly to Retina displays as per Thomas Fuchs' quick guide.
It's worth mentioning that browser support for both attributes excludes IE6-8.
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What's the safest way to iterate through the keys of a Perl hash?
...have a Perl hash with a bunch of (key, value) pairs, what is the preferred method of iterating through all the keys? I have heard that using each may in some way have unintended side effects. So, is that true, and is one of the two following methods best, or is there a better way?
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Load Testing with AB … fake failed requests (length)
To do some load testing, for my own curiosity, on my server I ran:
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How is a non-breaking space represented in a JavaScript string?
... Wow. This answer is so complicated, it must be correct! (Me and JavaScript are like oil and water). But maybe if I'm shaken violently we'll mix together.
– Phillip Senn
Mar 9 '11 at 16:34
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Heatmap in matplotlib with pcolor?
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This is late, but here is my python implementation of the flowingdata NBA heatmap.
updated:1/4/2014: thanks everyone
# -*- coding: utf-8 -*-
# <nbformat>3.0</nbformat>
# ------------------------------------------------------------------------
# Filena...
Why should the “PIMPL” idiom be used? [duplicate]
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Because you want Purr() to be able to use private members of CatImpl. Cat::Purr() would not be allowed such an access without a friend declaration.
Because you then don't mix responsibilities: one class implements, one class forwards.
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Difference between ref and out parameters in .NET [duplicate]
What is the difference between ref and out parameters in .NET? What are the situations where one can be more useful than the other? What would be a code snippet where one can be used and another can't?
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Permanently Set Postgresql Schema Path
I need to set schema path in Postgres so that I don't every time specify schema dot table e.g. schema2.table .
Set schema path:
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How do I start PowerShell from Windows Explorer?
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When I do this on Win 7, Windows Explorer takes me to a folder I have that is named PowerShell!
– Sabuncu
May 20 '13 at 8:45
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