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Generate random numbers following a normal distribution in C/C++

How can I easily generate random numbers following a normal distribution in C or C++? 18 Answers ...
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How do I get a value of datetime.today() in Python that is “timezone aware”?

I am trying to subtract one date value from the value of datetime.today() to calculate how long ago something was. But it complains: ...
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How do I set a column value to NULL in SQL Server Management Studio?

How do I clear the value from a cell and make it NULL? 6 Answers 6 ...
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How do I parallelize a simple Python loop?

This is probably a trivial question, but how do I parallelize the following loop in python? 13 Answers ...
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How to check iOS version?

I want to check if the iOS version of the device is greater than 3.1.3 I tried things like: 37 Answers ...
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Putty: Getting Server refused our key Error

I created key pair using puttygen.exe (client is windows 8). On server (Ubuntu 12.04.3 LTS), I have put my public key in ~/.ssh/authorized_keys . The public key is this: ...
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How to make a variadic macro (variable number of arguments)

I want to write a macro in C that accepts any number of parameters, not a specific number 5 Answers ...
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Recursive lambda functions in C++11

I am new to C++11. I am writing the following recursive lambda function, but it doesn't compile. 14 Answers ...
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How to empty a redis database?

I've been playing with redis (and add some fun with it) during the last fews days and I'd like to know if there is a way to empty the db (remove the sets, the existing key....) easily. During my tests, I created several sets with a lot of members, even created sets that I do not remember the name ...
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What does the comma operator , do?

What does the , operator do in C? 8 Answers 8 ...