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Good open source django project for learning [closed]

... django-basic-apps is also a very good start to learn django and reusable apps. These apps are simple enough and code is well written. share | improve this answer | ...
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Parallelize Bash script with maximum number of processes

...ution. Except, since I'm paranoid, I always like to use find [...] -print0 and xargs -0. – amphetamachine Mar 22 '10 at 2:31 7 ...
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Understanding colors on Android (six characters)

I am trying to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency: ...
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Naming returned columns in Pandas aggregate function? [duplicate]

I'm having trouble with Pandas' groupby functionality. I've read the documentation , but I can't see to figure out how to apply aggregate functions to multiple columns and have custom names for those columns. ...
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?: operator (the 'Elvis operator') in PHP

... It evaluates to the left operand if the left operand is truthy, and the right operand otherwise. In pseudocode, foo = bar ?: baz; roughly resolves to foo = bar ? bar : baz; or if (bar) { foo = bar; } else { foo = baz; } with the differe...
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How to disallow temporaries

...macro-based solution: #define Foo class Foo The statement Foo("hi"); expands to class Foo("hi");, which is ill-formed; but Foo a("hi") expands to class Foo a("hi"), which is correct. This has the advantage that it is both source- and binary-compatible with existing (correct) code. (This claim is...
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How can I check if a directory exists in a Bash shell script?

What command can be used to check if a directory exists or not, within a Bash shell script? 35 Answers ...
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Where is my .vimrc file?

I have been using Vim , and I would really like to save my settings. The problem I am having is that I cannot find my .vimrc file, and it is not in the standard /home/user/.vimrc location. How might I find this file? ...
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How do you create nested dict in Python?

I have 2 CSV files: 'Data' and 'Mapping': 4 Answers 4 ...
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npm throws error without sudo

I just installed node and npm through the package on nodejs.org and whenever I try to search or install something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin. ...