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Aspect Oriented Programming vs. Object-Oriented Programming

...ics need to be updated on screen. Assume to repaint the graphics you must call "Display.update()". The classical approach is to solve this by adding more code. At the end of each set method you write void set...(...) { : : Display.update(); } If you have 3 set-methods, that is not a pro...
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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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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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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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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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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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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 ...