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How can I determine whether a 2D Point is within a Polygon?

I'm trying to create a fast 2D point inside polygon algorithm, for use in hit-testing (e.g. Polygon.contains(p:Point) ). Suggestions for effective techniques would be appreciated. ...
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Why are only a few video games written in Java? [closed]

...al, 3D video games (not random open source 2D ones) written in Java? In theory, it makes a lot of sense: you get a productivity boost and a cross-platform application almost for free, among other things, such as the vast amount of Java libraries, and built-in garbage collection (although I admit I'm...
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“for loop” with two variables? [duplicate]

How can I include two variables in the same for loop? 8 Answers 8 ...
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git replacing LF with CRLF

Running git on a Windows XP machine, using bash. I exported my project from SVN, and then cloned a bare repository. 20 Answ...
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Position Relative vs Absolute?

...rowser that whatever is going to be positioned should be removed from the normal flow of the document and will be placed in an exact location on the page. It won't affect how the elements before it or after it in the HTML are positioned on the Web page however it will be subject to it's parents' pos...
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How to construct a relative path in Java from two absolute paths (or URLs)?

... use URI? It has a relativize method which does all the necessary checks for you. String path = "/var/data/stuff/xyz.dat"; String base = "/var/data"; String relative = new File(base).toURI().relativize(new File(path).toURI()).getPath(); // relative == "stuff/xyz.dat" Please note that for file pa...
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Java array reflection: isArray vs. instanceof

Is there a preference or behavior difference between using: 8 Answers 8 ...
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psql - save results of command to a file

... From psql's help (\?): \o [FILE] send all query results to file or |pipe The sequence of commands will look like this: [wist@scifres ~]$ psql db Welcome to psql 8.3.6, the PostgreSQL interactive terminal db=>\o out.txt db=>\dt db=>\q ...
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Asp.net MVC ModelState.Clear

...ne give me a succinct definition of the role of ModelState in Asp.net MVC (or a link to one). In particular I need to know in what situations it is necessary or desirable to call ModelState.Clear() . ...
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How to load images dynamically (or lazily) when users scrolls them into view

...en user scrolls down the page enough to bring them inside the visible viewport region ( upon view source, the page shows X number of <img> tags but they are not fetched from the server straight away ). What is this technique called, how does it work and in how many browsers does it work. And i...