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How does RewriteBase work in .htaccess

... In my own words, after reading the docs and experimenting: You can use RewriteBase to provide a base for your rewrites. Consider this # invoke rewrite engine RewriteEngine On RewriteBase /~new/ # add trailing slash if missing rewriteRule ^(([a-z0-9\-...
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“:” (colon) in C struct - what does it mean? [duplicate]

What does :1 and :8 mean? 3 Answers 3 ...
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How do I check for null values in JavaScript?

... !user){ Which will check for empty strings (""), null, undefined, false and the numbers 0 and NaN Please note that if you are specifically checking for numbers it is a common mistake to miss 0 with this method, and num !== 0 is preferred (or num !== -1 or ~num (hacky code that also checks agains...
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How do android screen coordinates work?

I am working with Android Animation and I have found the Android coordinate system to be quite confusing so I am here to ask this question about how coordinates work in Android. I am following this image for moving one view to another but it seems it's not working: ...
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CSS z-index paradox flower

...://jsfiddle.net/Kx2k5/1/ (successfully tested on Fx27, Ch33, IE9, Sf5.1.10 and Op19) CSS .item { /* include borders on width and height */ -webkit-box-sizing : border-box; -moz-box-sizing : border-box; box-sizing : border-box; ... } .i1:after { content: ""; /*...
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?

... [[ has fewer surprises and is generally safer to use. But it is not portable - POSIX doesn't specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do [[ -e $b ]] to test whether a ...
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What is The Rule of Three?

...antics. This means that objects are implicitly copied in various contexts, and we should understand what "copying an object" actually means. Let us consider a simple example: class person { std::string name; int age; public: person(const std::string& name, int age) : name(name), ag...
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html5 - canvas element - Multiple layers

...ver, you could layer multiple <canvas> elements on top of each other and accomplish something similar. <div style="position: relative;"> <canvas id="layer1" width="100" height="100" style="position: absolute; left: 0; top: 0; z-index: 0;"></canvas> <canvas id="layer...
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Check if object is file-like in Python

...ts are objects in Python that behave like a real file, e.g. have a read() and a write method(), but have a different implementation. It is and realization of the Duck Typing concept. ...
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Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]

I'm looking for a stand-alone full-text search server with the following properties: 5 Answers ...