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How to enumerate a range of numbers starting at 1
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This answer is way out of date, you can now put just enumerate(iterable, start=1) as of Python 2.6.
– Fredrick Brennan
Feb 24 '13 at 22:50
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Why are preprocessor macros evil and what are the alternatives?
...gers, you can't "see" what the macro translates to. So you don't actually know what is going on.
Replacement: Use enum or const T
For "function-like" macros, because the debugger works on a "per source line where you are" level, your macro will act like a single statement, no matter if it's one ...
What's the deal with a leading underscore in PHP class methods?
...the most authoritative source for these kinds of conventions for PHP right now would be the PSR-2: Coding Style Guide because the Zend Framework is part of PSR:
Property names SHOULD NOT be prefixed with a single underscore to indicate protected or private visibility.
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How to get random value out of an array?
...ased to mt_rand() and srand() aliased to mt_srand(). In practice it should now be good enough.
– Gras Double
Jun 29 '17 at 11:17
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Exclude folder from search but not from the project list
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I think this answer is out dated now. Setting > Project Settings > Scopes doesnt seem to exist
– Andrew
Dec 16 '16 at 13:47
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Map function in MATLAB?
...0 8 6 4 2 ]; % the mapping array
c = zeros( 1, 10 ); % your target array
Now, typing
c( b ) = a
returns
c = 0 50 0 40 0 30 0 20 0 10
c( b ) is a reference to a vector of size 5 with the elements of c at the indices given by b. Now if you assing values to this r...
Retrieving the last record in each group - MySQL
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MySQL 8.0 now supports windowing functions, like almost all popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY nam...
FFmpeg on Android
I have got FFmpeg compiled (libffmpeg.so) on Android. Now I have to build either an application like RockPlayer or use existing Android multimedia framework to invoke FFmpeg.
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How do I download a package from apt-get without installing it? [closed]
...d <package_name> (similar to biocyberman's answer but I think apt is now more common than aptitude).
– Dan R
Aug 22 '17 at 5:28
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How to write a bash script that takes optional input arguments?
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you need write to a regular variable to use the substitution
#!/bin/bash
NOW=$1
echo ${NOW:-$(date +"%Y-%m-%d")}
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