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Check whether an array is empty [duplicate]
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Reminder: sizeof is on the deprecation list, see wiki.php.net/rfc/deprecations_php_7_1
– Jens A. Koch
Jul 28 '16 at 10:58
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
..., but working in 100% of all systems, and even extendable to the numerous .net frameworks.
The complexity comes from the fact that there are (and were) many VC runtimes revisions which could lead to the case that although VC10 runtimes were installed, their build number was not recent enough so you...
Parse query string in JavaScript [duplicate]
.... somesite.com/?varrible1=data&varrible
– jdavid.net
Dec 21 '12 at 4:53
1
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PHP - How to check if a string contains a specific text [duplicate]
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Use the strpos function: http://php.net/manual/en/function.strpos.php
$haystack = "foo bar baz";
$needle = "bar";
if( strpos( $haystack, $needle ) !== false) {
echo "\"bar\" exists in the haystack variable";
}
In your case:
if( strpos( $a, 'some text...
How can I get useful error messages in PHP?
...PILE_WARNING | E_USER_ERROR | E_USER_WARNING | E_USER_NOTICE. See docs.php.net/manual/en/errorfunc.constants.php
– Gumbo
May 10 '09 at 17:59
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Virtual member call in a constructor
...d class (see Eric Lippert's blog for details as to why this is).
Also in .NET objects do not change type as they are constructed, but start out as the most derived type, with the method table being for the most derived type. This means that virtual method calls always run on the most derived type.
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How to sum up an array of integers in C#
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Provided that you can use .NET 3.5 (or newer) and LINQ, try
int sum = arr.Sum();
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Catching multiple exception types in one catch block
...h(Exception $e)
{
// Handle the general case
}
Docs: https://www.php.net/manual/en/language.exceptions.php#example-287
RFC: https://wiki.php.net/rfc/multiple-catch
Commit: https://github.com/php/php-src/commit/0aed2cc2a440e7be17552cc669d71fdd24d1204a
For PHP before 7.1:
Despite what thes...
Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
...on instead of overwriting ToString() has the benefit that the standard ASP.NET "Yellow screen of death (YSOD)" displays this message as well. In contrast to Elmah the YSOD apparently doesn't use ToString(), but both display the Message property.
Wrapping the original DbEntityValidationException as i...
WCF chokes on properties with no “set ”. Any workaround?
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I had this problem with ASP.NET MVC and me wanting to use DataContractSerializer in order to be able to control the names on the items in the JSON output. Eventually I switched serializer to JSON.NET, which supports properties without setters (which Dat...