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Play an audio file using jQuery when a button is clicked

... = document.createElement('audio'); audioElement.setAttribute('src', 'http://www.soundjay.com/misc/sounds/bell-ringing-01.mp3'); audioElement.addEventListener('ended', function() { this.play(); }, false); audioElement.addEventListener("canplay",function(){ ...
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What's the difference between and

...o retain compatibility with a pre-generics API that used Object.) Source: http://download.oracle.com/javase/tutorial/extra/generics/convert.html; it explains why the JDK's java.util.Collections class has a method with this signature: public static <T extends Object & Comparable<? super T...
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Comparing Timer with DispatcherTimer

... I've found good article about timers with small examples here: http://www.progware.org/Blog/post/Timers-in-WPF.aspx As a conclusion: If DoSomething() manipulates GUI components then with the Timer you need to use: this.Dispatcher.Invoke((Action)delegate { //GUI RELATED CODE HERE} since ...
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Why are my basic Heroku apps taking two seconds to load?

...ut Tom Robinson's answer to "Scalability: How Does Heroku Work?" on Quora: http://www.quora.com/Scalability/How-does-Heroku-work Heroku divides up server resources among many different customers/applications. Your app is allotted blocks of computing power. Heroku partitions based on resource demand...
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How do I get SUM function in MySQL to return '0' if no values are found?

...FROM table WHERE ... To see it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0 More Information: Given three tables (one with all numbers, one with all nulls, and one with a mixture): SQL Fiddle MySQL 5.5.32 Schema Setup: CREATE TABLE foo ( id INT NOT N...
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Large Numbers in Java

... Use the BigInteger class that is a part of the Java library. http://java.sun.com/j2se/1.5.0/docs/api/java/math/BigInteger.html share | improve this answer | fol...
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How to get HttpClient to pass credentials along with the request?

...he ASP.Net MVC Web API (self-hosted), and so can be communicated with over http using JSON. The web application is configured to do impersonation, the idea being that the user who makes the request to the web application should be the user that the web application uses to make the request to the ser...
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How to simulate a mouse click using JavaScript?

...rties you want to give it */ }); targetElement.dispatchEvent(evt); Demo: http://jsfiddle.net/DerekL/932wyok6/ This works on all modern browsers. For old browsers including IE, MouseEvent.initMouseEvent will have to be used unfortunately though it's deprecated. var evt = document.createEvent("Mo...
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Backwards migration with Django South

...0001_initial "zero" is a special state before any migration. Reference: http://south.aeracode.org/docs/commands.html share | improve this answer | follow | ...
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Programmatically obtain the Android API level of a device?

... What you need: http://developer.android.com/reference/android/os/Build.VERSION_CODES.html SDK_INT value Build.VERSION_CODES Human Version Name 1 BASE Android 1.0 (no codename) ...