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How to check if a variable is an integer in JavaScript?
...e
isInt(undefined) // false
isInt(NaN) // false
Here's the fiddle: http://jsfiddle.net/opfyrqwp/28/
Performance
Testing reveals that the short-circuiting solution has the best performance (ops/sec).
// Short-circuiting, and saving a parse operation
function isInt(value) {
var x;
if (i...
Bootstrap: Position of dropdown menu relative to navbar item
...ght">
<li>...</li>
</ul>
</li>
Fiddle: http://jsfiddle.net/joeczucha/ewzafdju/
After v3.1.0
As of v3.1.0, we've deprecated .pull-right on dropdown menus. To
right-align a menu, use .dropdown-menu-right. Right-aligned nav
components in the navbar use a mix...
Android AlertDialog Single Button
...t;?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientat...
Can I comment out a line in a .git/config file?
I have a http.proxy line on my repository configuration file that I would like to 'turn on and off' easily without having to remember and type again the whole configuration every time I'm behind or free from this proxied connection.
...
How do I filter an array with AngularJS and use a property of the filtered object as the ng-model at
...pe.gradeC = $filter('filter')($scope.results.subjects, {grade: 'C'})[0];
http://jsbin.com/ewitun/1/edit
The same with plain ES6:
$scope.gradeC = $scope.results.subjects.filter((subject) => subject.grade === 'C')[0]
s...
How do I add multiple arguments to my custom template filter in a django template?
...function will now look like this:
from django import template
from django.http import QueryDict
register = template.Library()
@register.filter
def replace(value, args):
qs = QueryDict(args)
if qs.has_key('cherche') and qs.has_key('remplacement'):
return value.replace(qs['cherche']...
How to access parent Iframe from JavaScript
...n your iframe, call:
window.parent.postMessage({message: 'Hello world'}, 'http://localhost/');
In the page you're including the iframe you can listen for events like this:
window.addEventListener('message', function(event) {
if(event.origin === 'http://localhost/')
{
alert('R...
What is ECMAScript?
...ich differs from the JavaScript which browser-vendors implement nowadays.
http://en.wikipedia.org/wiki/ECMAScript
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Best Practices for Laravel 4 Helpers and Basic Functions?
...aravel's helpers.php method is to add it to your "files" in composer.json (https://github.com/laravel/framework/blob/master/composer.json):
"autoload": {
"classmap": [
...
],
"files": [
"app/libraries/helpers.php"
],
},
What I do is to create small classes (a few m...
Strip whitespace from jsp output
...e others).
There's more information about trimDirectiveWhitespaces here:
http://www.oracle.com/technetwork/articles/javaee/jsp-21-136414.html
and here
http://raibledesigns.com/rd/entry/trim_spaces_in_your_jsp1
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