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How to return multiple values? [duplicate]

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Hidden Features of MySQL

...lot of connections. MySQL binaries for Linux/x86 allow you to have up to 4096 concurrent connections, but self compiled binaries often have less of a limit. Set table_cache to match the number of your open tables and concurrent connections. Watch the open_tables value and if it is growing quickly...
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Measure and Benchmark Time for Ruby Methods

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How can I convert ereg expressions to preg in PHP?

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Email Address Validation in Android on EditText [duplicate]

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How do I abort the execution of a Python script? [duplicate]

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How do JavaScript closures work?

How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves? ...
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Convert datetime object to a String of date only in Python

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Get current date in milliseconds

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Java: Why is the Date constructor deprecated, and what do I use instead?

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