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Sort array of objects by object fields
...d argument. Here are some examples:
Using anonymous functions (from PHP 5.3)
usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);});
From inside a class
usort($your_data, array($this, "cmp")); // "cmp" should be a method in the class
Using arrow functions (from PHP 7...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
...d error are both connected to terminals (as determined
by isatty(3)), or one started with the -i option. PS1 is
set and $- includes i if bash is interactive, allowing a
shell script or a startup file to test this state.
The following paragraphs describe how bash...
What does gcc's ffast-math actually do?
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edited Aug 31 '18 at 13:29
Rakete1111
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Ordering by specific field value first
I have a table with 3 columns:
8 Answers
8
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In a Git repository, how to properly rename a directory?
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edited May 23 '17 at 12:18
Community♦
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answered Jun 25 '12 at 5:22
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Python: Get relative path from comparing two absolute paths
...he fallacy of Python's os.path.commonprefix?
PPPPS: starting with Python 3.4, we have pathlib, a module that provides a saner path manipulation environment. I guess that the common prefix of a set of paths can be obtained by getting all the prefixes of each path (with PurePath.parents()), taking t...
Master-master vs master-slave database architecture?
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Where you need a single, updating, "truth" (as in financial systems) you need Master/Slave or indeed just Master. Where you can patch up the...
Fastest way to determine if an integer's square root is an integer
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35 Answers
35
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ld cannot find an existing library
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answered Dec 3 '08 at 1:06
grepsedawkgrepsedawk
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