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PHP Regex to check date is in YYYY-MM-DD format
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Try this.
$date="2012-09-12";
if (preg_match("/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])$/",$date)) {
return true;
} else {
return false;
}
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Why is isNaN(null) == false in JS?
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I believe the code is trying to ask, "is x numeric?" with the specific case here of x = null. The function isNaN() can be used to answer this question, but semantically it's referring specifically to the value NaN. From Wikipedia for NaN:
NaN (Not a Number) is a value of the numeric d...
How to disable scrolling temporarily?
I'm using the scrollTo jQuery plugin and would like to know if it is somehow possible to temporarily disable scrolling on the window element through Javascript? The reason I'd like to disable scrolling is that when you scroll while scrollTo is animating, it gets really ugly ;)
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How exactly does the python any() function work?
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If you use any(lst) you see that lst is the iterable, which is a list of some items. If it contained [0, False, '', 0.0, [], {}, None] (which all have boolean values of False) then any(lst) would be False. If lst also contain...
What is the difference between @Inject and @Autowired in Spring Framework? Which one to use under wh
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So in theory if you used @Inject you could replace spring with another DI framework e.g. Guice and inject your dependencies in the same way.
– Alex Barnes
Jan 25 '12 at 14:30
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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
...x. Not all systems supporting pthreads also support recursive mutexes, but if they want to be POSIX conform, they have to .
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How do I programmatically get the GUID of an application in .net2.0
...etTypeLibGuid returns the LIBID that is associated with the GuidAttribute, if the attribute is applied. Otherwise, GetTypeLibGuidForAssembly returns the calculated value. Alternatively, you can use the GetTypeLibGuid method to extract the actual LIBID from an existing type library.
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Easiest way to convert a List to a Set in Java
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@Madbreaks Came here specifically for that problem and would recommend using Ramesh's solution with Abdul's explanation to anyone else that is interested in trying to do this
– David Fisher
Jul 12 at 7:17
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How to generate random number with the specific length in python
... this snipet give you a result of 037??? it's a randint from (100 to 1000) if n ==3
– moldovean
Jan 7 '14 at 10:17
3
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setTimeout / clearTimeout problems
...ion call.
You need to persist it, you can put it outside the function, or if you don't want to expose the variable as global, you can store it in a closure, e.g.:
var endAndStartTimer = (function () {
var timer; // variable persisted here
return function () {
window.clearTimeout(timer);
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