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In MySQL queries, why use join instead of where?

It seems like to combine two or more tables, we can either use join or where. What are the advantages of one over the other? ...
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Using mixins vs components for code reuse in Facebook React

...y from the mixins if you can. I warned you! Mixins Are Dead. Long Live Composition At first, I tried to use subcomponents for this and extract FormWidget and InputWidget. However, I abandoned this approach halfway because I wanted a better control over generated inputs and their state. Two ...
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How do I get a file extension in PHP?

... my idea of PHP compared to python changed completely now that I know about this function :O – Tommaso Barbugli Jul 2 '14 at 10:22 ...
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load and execute order of scripts

...ecuted in the order they are encountered in the page. Inline scripts that come after external scripts are held until all external scripts that came before them have loaded and run. Async scripts (regardless of how they are specified as async) load and run in an unpredictable order. The browser lo...
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std::next_permutation Implementation Explanation

... Generation in lexicographic order. There are numbers of such algorithm in Combinatorics, but this is the most classical one. – chain ro Mar 10 '15 at 2:59 ...
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How do you use the “WITH” clause in MySQL?

...ntly they "showed off" this "feature" at PHPCONFERENCE2010 in London. This comment on that bug report is telling. [7 Oct 2008 19:57] Stuart Friedberg: "Valeriy, you guys must have an unbelieveable backlog. Thirty three months between filing a request and getting a first acknowledgement is a jaw-dro...
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How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP

... refer to zipfiles containing pure Python modules (in either source or compiled form). Extension modules cannot be imported from zipfiles. The default search path is installation dependent, but generally begins with prefix/lib/pythonversion (see PYTHONHOME above). It is always appended ...
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What is the apply function in Scala?

...alk about "applying function f to its argument x". In mathematics and computer science, Apply is a function that applies functions to arguments. Wikipedia apply serves the purpose of closing the gap between Object-Oriented and Functional paradigms in Scala. Every function in Scala can be...
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How much overhead does SSL impose?

...approximation for the encryption overhead of SSL versus unencrypted socket communication? I'm talking only about the comm processing and wire time, not counting application-level processing. ...
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When to use the JavaScript MIME type application/javascript instead of text/javascript?

...ot be the official Right Thing, but there are what everyone uses today for compatibility reasons, and the reasons why they're not the right thing are practically speaking completely unimportant. share | ...