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Why is require_once so bad to use?

...system keeps a log of what's already been included/required. Every *_once call means checking that log. So there's definitely some extra work being done there but enough to detriment the speed of the whole app? ... I really doubt it... Not unless you're on really old hardware or doing it a lot. I...
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Clustered vs Non-Clustered

... lower level knowledge of SQL (Server 2008) is limited, and is now being challanged by our DBAs. Let me explain (I have mentioned obvious statements in the hope that I am right, but if you see something wrong, please tell me) the scenario: ...
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Making code internal but available for unit testing from other projects

We put all of our unit tests in their own projects. We find that we have to make certain classes public instead of internal just for the unit tests. Is there anyway to avoid having to do this. What are the memory implication by making classes public instead of sealed? ...
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“git rm --cached x” vs “git reset head --​ x”?

...wing: --soft Does not touch the index file nor the working tree at all (but resets the head to <commit>, just like all modes do). This leaves all your changed files "Changes to be committed", as git status would put it. --mixed Resets the index but not the working tree...
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Bare asterisk in function arguments?

... Bare * is used to force the caller to use named arguments - so you cannot define a function with * as an argument when you have no following keyword arguments. See this answer or Python 3 documentation for more details. ...
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Link to all Visual Studio $ variables

... Now if only there were a way to access these programmatically in our code (in my case C#). – Chiramisu Feb 22 at 7:52 ...
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SQL UPDATE all values in a field with appended string CONCAT not working

... That's pretty much all you need: mysql> select * from t; +------+-------+ | id | data | +------+-------+ | 1 | max | | 2 | linda | | 3 | sam | | 4 | henry | +------+-------+ 4 rows in set (0.02 sec) mysql> update t se...
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Is there any way to view the currently mapped keys in Vim?

Basically, I'd like to view all of the keys maps made in the current buffer by all of plugins, vimrc, etc, in the current buffer. Is there anyway to do this? ...
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What is the advantage of using Restangular over ngResource?

ngResource already seems really simple to implement things with... 5 Answers 5 ...
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Weird “[]” after Java method signature

... Java platform, a declaration form for a method that returns an array is allowed to place (some or all of) the empty bracket pairs that form the declaration of the array type after the parameter list. This is supported by the obsolescent production: MethodDeclarator:     Meth...