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Does use of final keyword in Java improve the performance?
...s, HotSpot keeps track of whether the method has actually been overridden, and is able to perform optimizations such as inlining on the assumption that a method hasn't been overridden - until it loads a class which overrides the method, at which point it can undo (or partially undo) those optimizati...
htmlentities() vs. htmlspecialchars()
What are the differences between htmlspecialchars() and htmlentities() . When should I use one or the other?
12 Answers
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PHP Pass by reference in foreach [duplicate]
...e, the last array item takes the current loop value: 'zero', 'one', 'two', and then it's just 'two'... : )
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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
...de a basic rails app with a simple pages controller with an index function and when I load the page I get:
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Are Javascript arrays sparse?
...se array, you should call the constructor with an explicit length argument and hope you'll actually get one.
See this answer for a more detailed description by olliej.
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Why can't I reference my class library?
I have a solution that contains a website and a class library in Visual Studio 2008.
20 Answers
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How do I find the width & height of a terminal window?
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echo -e "lines\ncols"|tput -S to get both the lines and cols see: linux.about.com/library/cmd/blcmdl1_tput.htm
– nickl-
Jan 26 '13 at 3:49
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Why is a 3-way merge advantageous over a 2-way merge?
Wikipedia says a 3-way merge is less error-prone than a 2-way merge, and often times doesn't need user intervention. Why is this the case?
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What are good uses for Python3's “Function Annotations”
...tions, threads that are allowed to access, architecture limitations, etc., and there are quite a few tools that can then read these and process them to provide assurances beyond what you get from the compilers. You could even write things that check preconditions/postconditions.
I feel something l...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular implementation?
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