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How are 3D games so efficient? [closed]

...dware. For instance, one easy optimization you can make involves not actually trying to draw things that can't be seen. Consider a complex scene like a cityscape from Grand Theft Auto IV. The renderer isn't actually rendering all of the buildings and structures. Instead, it's rendering only what t...
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Firefox session cookies

Generally speaking, when given a cookie that has no expiration period, modern browsers will consider this cookie to be a 'session cookie', they will remove the cookie at the end of the browsing session (generally when the browser instance closes). ...
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How to check whether mod_rewrite is enable on server?

...nfiguration file, make sure the virtual host in question has the directive AllowOverride All somewhere like this: <VirtualHost *:80> ... <Directory "directory/of/your/.htaccess"> AllowOverride All </Directory> </VirtualHost> Basically, this states to ...
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How to integrate CSS pre-processing within Eclipse? [closed]

...t it's waaaaay better than looking at plain text and you don't need to install a separate editor. You need to associate the .scss file type with the native Eclipse CSS Editor in Eclipse[Part 1]. After you do that, you need to add the .scss file type to the native CSS Editor as well so the CSS Edit...
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how do I work around log4net keeping changing publickeytoken

...em with the other answers are that they are using the same dll version for all bindings. I want to use features in the new version for everything else but the legacy dependency. To be able to do that you need to do the following: Start by downloading the old version (version of 1.2.11.0). Rename...
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Apache and Node.js on the Same Server

... the ProxyPass directive in the Apache httpd.conf its not too hard to pipe all requests on a particular URL to your Node.JS application. ProxyPass /node http://localhost:8000 Also, make sure the following lines are NOT commented out so you get the right proxy and submodule to reroute http request...
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Map Tiling Algorithm

... The basic idea of this algorithm is to use a pre-processing step to find all edges and then select the correct smoothing tile according to the shape of the edge. The first step would be to find all edges. In the example below the edge tiles marked with an X are all green tiles with a tan tile as ...
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Efficiency of Java “Double Brace Initialization”?

...2$8.class 2009/05/27 16:35 2,022 DemoApp2$9.class These are all classes which were generated when I was making a simple application, and used copious amounts of anonymous inner classes -- each class will be compiled into a separate class file. The "double brace initialization", as al...
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COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]

...T(field) or COUNT(*), and stick with it consistently, and if your database allows COUNT(tableHere) or COUNT(tableHere.*), use that. In short, don't use COUNT(1) for anything. It's a one-trick pony, which rarely does what you want, and in those rare cases is equivalent to count(*) Use count(*) fo...
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What is output buffering?

...se it's not being sent to the browser in pieces as PHP processes the HTML. All the fancy stuff we can do with PHP strings, we can now do with our whole HTML page as one variable. If you've ever encountered the message "Warning: Cannot modify header information - headers already sent by (output)" whi...