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PHP Sort Array By SubArray Value
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Use usort.
function cmp_by_optionNumber($a, $b) {
return $a["optionNumber"] - $b["optionNumber"];
}
...
usort($array, "cmp_by_optionNumber");
In PHP ≥5.3, you should use an anonymous function instead:
usort($array, function ($a, $b) {
...
Qt events and signal/slots
...he
application needs to know about.
Events can be received and handled by
any instance of a QObject subclass,
but they are especially relevant to
widgets. This document describes how
events are delivered and handled in a
typical application.
So events and signal/slots are two paralle...
A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception pro
... try to retrieve the result of a Task<T>, when the task is collected by the garbage collector, it will tear down your application during finalization. For details, see MSDN's page on Exception Handling in the TPL.
The best option here is to "handle" the exception. This can be done via a con...
How to document thrown exceptions in c#/.net
I am currently writing a small framework that will be used internally by other developers within the company.
8 Answers
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Can I query MongoDB ObjectId by date?
... I am using nodejs with mongodbnative. Fixed the "not defined error" by including var ObjectId = require('mongodb').ObjectID;
– peter
Mar 18 '13 at 6:35
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Record file copy operation with Git
...opy detection. You can request rename detection in git diff (and git show) by using the -M option, you can request additional copy detection in changed files by using the -C option (-C implies -M), and you can request more expensive copy detection among all files with --find-copies-harder or -C -C (...
How to get all columns' names for all the tables in MySQL?
...ect * from information_schema.columns
where table_schema = 'your_db'
order by table_name,ordinal_position
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regex for matching something if it is not preceded by something else
...o write a regex that will match if and only if the pattern is not preceded by certain characters. For example:
1 Answer
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abort, terminate or exit?
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Exceptions that aren't caught even by a top-level handler could invoke a system reporting facility that dumps the process and uploads the exception report for the developers' attention, like Windows Error Reporting, Mac OS X error reports and iPhone applicatio...
How do I capture the output into a variable from an external process in PowerShell?
...ctionality to the code in the answer. Beginners like me can can thrown off by subtle differences in behaviour like these!
– Sam
Sep 9 '13 at 22:04
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