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How can I play sound in Java?

...oid playSound(final String url) { new Thread(new Runnable() { // The wrapper thread is unnecessary, unless it blocks on the // Clip finishing; see comments. public void run() { try { Clip clip = AudioSystem.getClip(); AudioInputStream inputStream = AudioSystem.getAudi...
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What does “export” do in shell programming? [duplicate]

... '^variable=' $ # No environment variable called variable $ variable=Hello # Create local (non-exported) variable with value $ env | grep '^variable=' $ # Still no environment variable called variable $ export variable ...
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Generating v5 UUID. What is name and namespace?

...1. Only 128-bits are available and 5 bits are used to specify the type, so all of the hash bits don't make it into the UUID. (Also MD5 is considered cryptographically broken, and SHA1 is on its last legs, so don't use this to verify data that needs to be "very secure"). That said, it gives you a wa...
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How to determine equality for two JavaScript objects?

...y = function() { if (c === undefined) c = a * b // imagine * is really expensive return c; } } In this above case, c is not really important to determine whether any two instances of MyClass are equal, only a and b are important. In some cases c might vary between instance...
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How do I reference a Django settings variable in my models.py?

...e to a project deployed in several environments, do not try to import from app.settings. Overwritten variables in the other files won't take effect. Always use the import mentioned in this answer. It took me a few hours to realize what was going on in my project. – Ev. ...
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Generating an MD5 checksum of a file

...ing (and checking) MD5 checksums of a list of files in Python? (I have a small program I'm working on, and I'd like to confirm the checksums of the files). ...
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Converting a JS object to an array using jQuery

... 2:[Array-Data]}] And $.map() also doesn't look successful. It seams, that all Sub-Array data is merged to one array. array.length should return 2 (because 2 elements exists), but it returns 67 which is the number of all elements in all ["Array-Data"]. – The Bndr ...
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Real-world examples of recursion [closed]

...l, and fixes itself quickly( Type A) , Except for one in 5 people ( We'll call these type B ) who become permanently infected with it and shows no symptoms and merely acts a spreader. This creates quite annoying waves of havoc when ever type B infects a multitude of type A. Your task is to track ...
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How do you run a single test/spec file in RSpec?

...tests — for the one file I'm editing, for example. rake spec executes all the specs. My project is not a Rails project, so rake spec:doc doesn't work. ...
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Invoking JavaScript code in an iframe from the parent page

...oes not work for my gadget, here is my code document.getElementById('remote_iframe_0').contentWindow.my.create_element_gadg‌​et('verify_user');" remote_iframe_0 is created programmaticaly by a apache shindig server but window.parent.document.getElementById('remote_iframe_0').contentWindow.my.cr...