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std::vector performance regression when enabling C++11

I have found an interesting performance regression in a small C++ snippet, when I enable C++11: 1 Answer ...
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How to form tuple column from two columns in Pandas

I've got a Pandas DataFrame and I want to combine the 'lat' and 'long' columns to form a tuple. 4 Answers ...
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What's the fastest way to merge/join data.frames in R?

For example (not sure if most representative example though): 5 Answers 5 ...
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How do I get an object's unqualified (short) class name?

How do I check the class of an object within the PHP name spaced environment without specifying the full namespaced class. ...
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How can I convert a Unix timestamp to DateTime and vice versa?

There is this example code, but then it starts talking about millisecond / nanosecond problems. 19 Answers ...
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The $.param( ) inverse function in JavaScript / jQuery

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How can I quickly sum all numbers in a file?

I have a file which contains several thousand numbers, each on it's own line: 33 Answers ...
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In php, is 0 treated as empty?

Code will explain more: 18 Answers 18 ...
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How to iterate for loop in reverse order in swift?

When I use the for loop in Playground, everything worked fine, until I changed the first parameter of for loop to be the highest value. (iterated in descending order) ...
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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space

I'm looking for a neat RegEx solution to replace 8 Answers 8 ...