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How does bash tab completion work?
...ending a lot of time in the shell lately and I'm wondering how the tab autocomplete works. What's the mechanism behind it? How does the bash know the contents of every directory?
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What is the purpose of a plus symbol before a variable?
...er or not d is a non-zero number.
Reference here. And, as pointed out in comments, here.
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How can you check for a #hash in a URL using JavaScript?
...query. Sample jQuery: $("<a/>").attr({ "href": "http://www.somewhere.com/a/b/c.html?qs=1#fragmenttest" })[0]. .hash => "#fragmenttest" and .search = ?qs=1. From there, hit up the querystring extraction question to get something other than a string.
– patridge
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Comprehensive beginner's virtualenv tutorial? [closed]
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This is very good: http://simononsoftware.com/virtualenv-tutorial-part-2/
And this is a slightly more practical one: https://web.archive.org/web/20160404222648/https://iamzed.com/2009/05/07/a-primer-on-virtualenv/
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How to check if a model has a certain column/attribute?
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what's the meaning of '=?' in angularJS directive isolate scope declaration?
...onally I wish it were documented in the scope section directly and not in $compile.
– Jason Axelson
Jul 25 '15 at 23:45
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How many and which are the uses of “const” in C++?
...with so many different effects that is nearly impossible for a beginner to come out alive. Will some C++ guru explain once forever the various uses and whether and/or why not to use them?
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What is a “web service” in plain English?
...programs can understand the output.
The full definition is obviously more complex but you asked for plain English.
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How to revert to origin's master branch's version of file
I'm in my local computer's master branch of a cloned master-branch of a repo from a remote server.
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