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COUNT DISTINCT with CONDITIONS

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Compiling with g++ using multiple cores

Quick question: what is the compiler flag to allow g++ to spawn multiple instances of itself in order to compile large projects quicker (for example 4 source files at a time for a multi-core CPU)? ...
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How can I read a whole file into a string variable

I have lots of small files, I don't want to read them line by line. 5 Answers 5 ...
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How to flatten nested objects with linq expression

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Contains method for a slice

Is there anything similar to a slice.contains(object) method in Go without having to do a search through each element in a slice? ...
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How to get a reference to a module inside the module itself?

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How to truncate the time on a DateTime object in Python?

What is a classy way to way truncate a python datetime object? 16 Answers 16 ...
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Save and load MemoryStream to/from a file

I am serializing an structure into a MemoryStream and I want to save and load the serialized structure. 9 Answers ...
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How to remove elements from a generic list while iterating over it?

I am looking for a better pattern for working with a list of elements which each need processed and then depending on the outcome are removed from the list. ...
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Error handling in Bash

What is your favorite method to handle errors in Bash? The best example of handling errors I have found on the web was written by William Shotts, Jr at http://www.linuxcommand.org . ...