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RegEx for matching UK Postcodes
...that will validate a full complex UK postcode only within an input string. All of the uncommon postcode forms must be covered as well as the usual. For instance:
...
The tilde operator in C
...F hashing algorithm, and I'm curious what it does. (The code is from Eternally Confused .)
6 Answers
...
How can I change an element's class with JavaScript?
...r, going into detail on this is beyond the scope of the answer.
To change all classes for an element:
To replace all existing classes with one or more new classes, set the className attribute:
document.getElementById("MyElement").className = "MyClass";
(You can use a space-delimited list to app...
Calling virtual functions inside constructors
...
Calling virtual functions from a constructor or destructor is dangerous and should be avoided whenever possible. All C++ implementations should call the version of the function defined at the level of the hierarchy in the cur...
Bootstrap close responsive menu “on click”
... </li>
</ul>
</div>
Binding click event on all a elements in navigation to collapse menu (Bootstrap collapse plugin):
$(function(){
var navMain = $("#nav-main");
navMain.on("click", "a", null, function () {
navMain.collapse('hide');
});
});...
Run php script as daemon process
...tions need to be taken as soon as instruction arrives. I know PHP is not really the best option for daemon processes due to memory management issues, but due to various reasons I have to use PHP in this case. I came across a tool by libslack called Daemon ( http://libslack.org/daemon ) it seems to h...
Visual Studio 2013 doesn't discover unit tests
...io. To run the tests I try to go to the menu and choose Test -> Run -> Run all tests or by opening the test explorer window. By those to methods visual studio doesn’t discover any tests in the solution.
...
How to concatenate strings of a string field in a PostgreSQL 'group by' query?
...xt) (
SFUNC=string_agg_transfn,
STYPE=text
);
Custom variations (all Postgres versions)
Prior to 9.0, there was no built-in aggregate function to concatenate strings. The simplest custom implementation (suggested by Vajda Gabo in this mailing list post, among many others) is to use the bu...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...be used if you want to inform the user of a non-critical error. By default all it does is print an error message in red text on the console. It does not stop a pipeline or a loop from continuing. Throw on the other hand produces what is called a terminating error. If you use throw, the pipeline and/...
Comment shortcut Android Studio
...
Mac With Numeric pad
Line Comment hold both: Cmd + /
Block Comment hold all three: Cmd + Alt + /
Mac
Line Comment hold both: Cmd + + =
Block Comment hold all three: Cmd + Alt + + =
Windows/linux :
Line Comment hold both: Ctrl + /
Block Comment hold all three: Ctrl + Shift + /
Same way to rem...