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Background ListView becomes black when scrolling
...to create a scrollable list with every row containing a Image on the left side and some text on the right side:
11 Answers
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How to avoid “if” chains?
...tep<X>() should evaluate only if the previous one succeeded (this is called short circuit evaluation)
executeThisFunctionInAnyCase() will be executed in any case
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How to convert a DOM node list to an array in Javascript?
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Use this simple trick
<Your array> = [].map.call(<Your dom array>, function(el) {
return el;
})
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Does MySQL foreign_key_checks affect the entire database?
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It is session-based, when set the way you did in your question.
https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html
According to this, FOREIGN_KEY_CHECKS is "Both" for scope. This means it can be set for session:
SET FOREIGN_KEY_CHECKS=0;
or glob...
What does the variable $this mean in PHP?
...d by the interpreter for you, that contains an array of variables.
If you call $this inside a normal method in a normal class, $this returns the Object (the class) to which that method belongs.
It's possible for $this to be undefined if the context has no parent Object.
php.net has a big page...
OpenShift rhc setup using multiple accounts
...mand to specify the login name OR
rhc app create <appname> <cartridge> [-l <login1/login2>]
2) Run "rhc setup -l LOGIN" between the sessions. Once done managing apps from one account you can end the session for it by running "rhc account logout".
rhc setup -l <login1> # ...
Position Absolute + Scrolling
...the text in a div element and include the absolutely positioned element inside of it.
<div class="container">
<div class="inner">
<div class="full-height"></div>
[Your text here]
</div>
</div>
Css:
.inner: { position: relative; height: ...
How is null + true a string?
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I notice the IL generated goes straight to calling Concat. I was thinking I'd see a call to the + operator function in there. Would that simply be inlining optimization?
– quentin-starin
Dec 17 '10 at 17:17
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PHP and Enumerations
...ray == NULL) {
self::$constCacheArray = [];
}
$calledClass = get_called_class();
if (!array_key_exists($calledClass, self::$constCacheArray)) {
$reflect = new ReflectionClass($calledClass);
self::$constCacheArray[$calledClass] = $reflect-&g...
What are the differences between “=” and “
...ut rather a syntax token that signals named argument passing in a function call. Unlike the = operator it performs no action at runtime, it merely changes the way an expression is parsed.
Let’s see.
In any piece of code of the general form …
‹function_name›(‹argname› = ‹value›, ...