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Eclipse error “ADB server didn't ACK, failed to start daemon”

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How to wait for a keypress in R?

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How do I do an OR filter in a Django query?

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Difference between Dictionary and Hashtable [duplicate]

...yping (and compile-time verification) use without boxing If you are .NET 2.0 or above, you should prefer Dictionary<TKey,TValue> (and the other generic collections) A subtle but important difference is that Hashtable supports multiple reader threads with a single writer thread, while Dictio...
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fatal error: Python.h: No such file or directory

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Format a date using the new date time API

... 226 LocalDate represents just a date, not a DateTime. So "HH:mm:ss" make no sense when formatting ...
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Seedable JavaScript random number generator

... 127 One option is http://davidbau.com/seedrandom which is a seedable RC4-based Math.random() drop-i...
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What are the most common SQL anti-patterns? [closed]

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How to use timeit module

... 275 The way timeit works is to run setup code once and then make repeated calls to a series of sta...
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What's quicker and better to determine if an array key exists in PHP?

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