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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?

I've just lost three days of my life tracking down a very strange bug where unordered_map::insert() destroys the variable you insert. This highly non-obvious behaviour occurs in very recent compilers only: I found that clang 3.2-3.4 and GCC 4.8 are the only compilers to demonstrate this "feature"....
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Python's os.makedirs doesn't understand “~” in my path

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Why is a “GRANT USAGE” created the first time I grant a user privileges?

...of DBMS and was setting up a new database tonight (using MySQL) when I noticed this. After granting a user a privilege for the first time, another grant is created that looks like ...
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jquery loop on Json data using $.each

I have the following JSON returned in a variable called data. 4 Answers 4 ...
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More than 10 lines in a node.js stack error?

Is there a way to get more than 10 lines in a node.js stack error? 4 Answers 4 ...
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Thread.Sleep replacement in .NET for Windows Store

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Make the first letter uppercase inside a django template

I am pulling a name from a database which is stored as myname . How do I display this inside a Django template as Myname , with the first letter being in uppercase. ...
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AngularJS - convert dates in controller

Could anyone please suggest me how to convert date from this 1387843200000 format into this 24/12/2013 inside my controller ? ...
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Does const mean thread-safe in C++11?

I hear that const means thread-safe in C++11 . Is that true? 1 Answer 1 ...
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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function

I'm putting in some effort to learn Python, and I am paying close attention to common coding standards. This may seem like a pointlessly nit-picky question, but I am trying to focus on best-practices as I learn, so I don't have to unlearn any 'bad' habits. ...