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How do you create optional arguments in php?
...ny attributes need to be processed, you can use the variadic argument list token(...) introduced in PHP 5.6 (see full documentation here).
Syntax:
function <functionName> ([<type> ]...<$paramName>) {}
For example:
function someVariadricFunc(...$arguments) {
foreach ($argumen...
Is there a regular expression to detect a valid regular expression?
...re pretty self-explanatory.
SKIP :
{
" "
| "\r"
| "\t"
| "\n"
}
TOKEN :
{
< DIGITO: ["0" - "9"] >
| < MAYUSCULA: ["A" - "Z"] >
| < MINUSCULA: ["a" - "z"] >
| < LAMBDA: "LAMBDA" >
| < VACIO: "VACIO" >
}
IRegularExpression Expression() :
{
IRe...
Could not load file or assembly 'System.Web.Mvc'
My new ASP.NET MVC Web Application works on my development workstation, but does not run on my web server...
20 Answers
...
How to get hosting Activity from a view?
...
I like this solution written in Kotlin
tailrec fun Context?.getActivity(): Activity? = when (this) {
is Activity -> this
else -> (this as? ContextWrapper)?.baseContext?.getActivity()
}
Usage in View class
context.getActivity()
Decompiled code:
public stati...
Ruby: How to turn a hash into HTTP parameters?
... a good example:
require 'rack'
Rack::Utils.build_query(
authorization_token: "foo",
access_level: "moderator",
previous: "index"
)
# => "authorization_token=foo&access_level=moderator&previous=index"
It even handles arrays:
Rack::Utils.build_query( {:a => "a", :b => ["c...
Add comma to numbers every three digits
...
@eladsilver w3schools.com/jsref/jsref_tolocalestring.asp in all browsers
– ricks
Oct 12 '18 at 20:49
...
How to remove an item from an array in AngularJS scope?
...-click="delete($index)">Delete</a>
Controller:
$scope.delete = function ( idx ) {
var person_to_delete = $scope.persons[idx];
API.DeletePerson({ id: person_to_delete.id }, function (success) {
$scope.persons.splice(idx, 1);
});
};
...
How to get elements with multiple classes
...ion about selectors:
https://www.w3schools.com/jquery/jquery_ref_selectors.asp
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Fast way to discover the row count of a table in PostgreSQL
...s. You can use a subquery with LIMIT:
SELECT count(*) FROM (SELECT 1 FROM token LIMIT 500000) t;
Postgres actually stops counting beyond the given limit, you get an exact and current count for up to n rows (500000 in the example), and n otherwise. Not nearly as fast as the estimate in pg_class, t...
IIS Express Immediately shutting-down running site after stopping web application
...tion off.
If you want to use "Edit and Continue" or you are developing an Asp.net 5 site (ASP.NET 5 projects don't have an Edit and Continue checkbox in project properties) you have to use the "Detech all" command to stop debugging.
The debugger will detach from the iis process without closing it...