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How do I select a random value from an enumeration?

Given an arbitrary enumeration in C#, how do I select a random value? 9 Answers 9 ...
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Search for all occurrences of a string in a mysql database [duplicate]

I'm trying to figure out how to locate all occurrences of a url in a database. I want to search all tables and all fields. But I have no idea where to start or if it's even possible. ...
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Serializing PHP object to JSON

So I was wandering around php.net for information about serializing PHP objects to JSON, when I stumbled across the new JsonSerializable Interface . It's only PHP >= 5.4 though, and I'm running in a 5.3.x environment. ...
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Semaphore vs. Monitors - what's the difference?

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How can I create a keystore?

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Get a random item from a JavaScript array [duplicate]

... Math.random() will never be 1, nor should it. The largest index should always be one less than the length, or else you'll get an undefined error. – Kelly Sep 16 '13 at 16:06 ...
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Git Push ERROR: Repository not found

I am having a very strange problem with git and github . When I try and push, I am getting: 46 Answers ...
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Using Intent in an Android application to show another activity

In my Android application, I have two activity classes. I have a button on the first one and I want to show the second when it is clicked, but I get an error. Here are the classes: ...
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How do I split a string into an array of characters? [duplicate]

... You can split on an empty string: var chars = "overpopulation".split(''); If you just want to access a string in an array-like fashion, you can do that without split: var s = "overpopulation"; for (var i = 0; i < s.len...
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What differences, if any, between C++03 and C++11 can be detected at run-time?

...ill return 0, and when compiled with a C++ compiler, will return 1 (the trivial sulution with #ifdef __cplusplus is not interesting). ...