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Join vs. sub-query

I am an old-school MySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why. ...
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Python multiprocessing pool.map for multiple arguments

In the Python multiprocessing library, is there a variant of pool.map which supports multiple arguments? 19 Answers ...
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Logic to test that 3 of 4 are True

I want to return True if and only if 3 out of 4 boolean values are true. 27 Answers ...
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Why can't I use a list as a dict key in python?

I'm a bit confused about what can/can't be used as a key for a python dict. 11 Answers ...
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How to write a Unit Test?

I have a Java class. How can I unit test it? 5 Answers 5 ...
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Remove blank attributes from an Object in Javascript

How do I remove all attributes which are undefined or null in a JavaScript object? 37 Answers ...
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How can I round a number in JavaScript? .toFixed() returns a string?

Am I missing something here? 11 Answers 11 ...
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Create a tag in a GitHub repository

I have a repository in GitHub and I need to tag it. I tagged in a shell, but on GitHub , it is not showing up. 7 Answ...
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What is the difference between GitHub and gist?

What is the purpose of gist and how is it different from regular code sharing/maintaining using GitHub? 8 Answers ...
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How to stop a goroutine

I have a goroutine that calls a method, and passes returned value on a channel: 6 Answers ...