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Calling a function when ng-repeat has finished
...
var module = angular.module('testApp', [])
.directive('onFinishRender', function ($timeout) {
return {
restrict: 'A',
link: function (scope, element, attr) {
if (scope.$last === true) {
$timeout(functio...
Does use of final keyword in Java improve the performance?
...le below are concatenated statically (at compile time).
public class FinalTest {
public static final int N_ITERATIONS = 1000000;
public static String testFinal() {
final String a = "a";
final String b = "b";
return a + b;
}
public static String testNonFina...
Why use a ReentrantLock if one can use synchronized(this)?
...gher contention. You can read more about this here.
This claim has been contested, however; see the following comment:
In the reentrant lock test, a new lock is created each time, thus there is no exclusive locking and the resulting data is invalid. Also, the IBM link offers no source code for the ...
How does having a dynamic variable affect performance?
...on time)
Using a dynamically-generated method that gets created before the test.
Using a dynamically-generated method that gets lazily instantiated during the test.
Each gets called 1 million times in a simple loop. Here are the timing results:
Direct: 3.4248ms
Dynamic: 45.0728ms
Reflection: 888.4...
Restricting input to textbox: allowing only numbers and decimal point
...ber = new RegExp(/^\d*\.?\d*$/);
var lastValid = document.getElementById("test1").value;
function validateNumber(elem) {
if (validNumber.test(elem.value)) {
lastValid = elem.value;
} else {
elem.value = lastValid;
}
}
<textarea id="test1" oninput="validateNumber(this);" >...
How to split a String by space
...from rich text editors or web pages. They are not handled by .trim() which tests for characters to remove using c <= ' '; \s will not catch them either.
Instead, you can use \p{Blank} but you need to enable unicode character support as well which the regular split won't do. For example, this will...
Installing a dependency with Bower from URL and specify version
...to-swipe": "git@github.com:dimsemenov/PhotoSwipe.git#v3.0.x",
#bower 1.4 (tested with that version) can read repositorios with uri format
"photo-swipe": "git://github.com/dimsemenov/PhotoSwipe.git#v3.0.x",
}
}
Just remember bower also searches for released versions and tags so you...
AngularJS : automatically detect change in model
...elements according to it's state (modified/not modified) dynamically or to test whether some values has actually changed, you can use the following module, developed by myself:
https://github.com/betsol/angular-input-modified
It adds additional properties and methods to the form and it's child elem...
How do I catch a numpy warning like it's an exception (not just for testing)?
...933741%2fhow-do-i-catch-a-numpy-warning-like-its-an-exception-not-just-for-testing%23new-answer', 'question_page');
}
);
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How to install mongoDB on windows?
I am trying to test out mongoDB and see if it is anything for me. I downloaded the 32bit windows version, but have no idea on how to continue from now on.
...