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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...
HTML5 Audio stop function
...);
player.pause();
player.src = player.src;
And the HTML
<audio src="http://radio-stream" id="radio" class="hidden" preload="none"></audio>
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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...
Good or bad practice? Initializing objects in getter
...ter check with a jump.
Design Guidelines for Developing Class Libraries at http://msdn.microsoft.com/en-US/library/vstudio/ms229042.aspx
Regarding Lazy<T>
The generic Lazy<T> class was created exactly for what the poster wants, see Lazy Initialization at http://msdn.microsoft.com/en-us/l...
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.
...
Do login forms need tokens against CSRF attacks?
...erstood what A. Wilson was saying). We're saying that an attacker can load http://good.com/login.html in one client, parse the nested CSRF token, and then publish http://bad.com/login.html that contains a modified form that submits his username, password and token regardless of what the victim types...
Plot correlation matrix into a graph
...lot it using one of the various tutorials out there.
Using base graphics:
http://flowingdata.com/2010/01/21/how-to-make-a-heatmap-a-quick-and-easy-solution/
Using ggplot2:
http://learnr.wordpress.com/2010/01/26/ggplot2-quick-heatmap-plotting/
...
Displaying better error message than “No JSON object could be decoded”
...
You could try the rson library found here: http://code.google.com/p/rson/ . I it also up on PYPI: https://pypi.python.org/pypi/rson/0.9 so you can use easy_install or pip to get it.
for the example given by tom:
>>> rson.loads('[1,2,]')
...
rson.base.tokeni...
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...