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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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Clone() vs Copy constructor- which is recommended in java [duplicate]

...rclass since the Beta-release days of the Java compiler*; and it, like all ancient magic, requires the appropriate incantation to prevent the spell from unexpectedly backfiring Prefer a method that copies the object Foo copyFoo (Foo foo){ Foo f = new Foo(); //for all properties in F...
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How to dismiss a Twitter Bootstrap popover by clicking outside?

...-title]' in place of '[data-toggle="popover"]' Caveat: The solution above allows multiple popovers to be open at once. One popover at a time please: Update: Bootstrap 3.0.x, see code or fiddle http://jsfiddle.net/mattdlockyer/C5GBU/2/ $('body').on('click', function (e) { $('[data-toggle="pop...
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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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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 a “cache-friendly” code?

...her end of the memory spectrum (DRAM), the memory is very cheap (i.e. literally millions of times cheaper) but takes hundreds of cycles after a request to receive the data. To bridge this gap between super fast and expensive and super slow and cheap are the cache memories, named L1, L2, L3 in decre...
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Underscore vs Double underscore with variables and methods [duplicate]

... Explanation: People coming from a C++/Java background are especially prone to overusing/misusing this "feature". But __private names don't work the same way as in Java or C++. They just trigger a name mangling whose purpose is to prevent accidental namespace collisions in subclasses...
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Caveats of select/poll vs. epoll reactors in Twisted

...ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. ...
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Task vs Thread differences [duplicate]

I'm new to parallel programming. There are two classes available in .NET: Task and Thread . 4 Answers ...