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How are 3D games so efficient? [closed]

...ever understood. How can a great big PC game like GTA IV use 50% of my CPU and run at 60fps while a DX demo of a rotating Teapot @ 60fps uses a whopping 30% ? ...
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What is the current state of the art in HTML canvas JavaScript libraries and frameworks? [closed]

...stigating options for working with the canvas in a new HTML 5 application, and was wondering what is the current state of the art in HTML canvas JavaScript libraries and frameworks? ...
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What is Type-safe?

... Type safety means that the compiler will validate types while compiling, and throw an error if you try to assign the wrong type to a variable. Some simple examples: // Fails, Trying to put an integer in a string String one = 1; // Also fails. int foo = "bar"; This also applies to method argume...
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Impossible to Install PG gem on my mac with Mavericks

... If you want to avoid using MacPorts, you can download the Postgres App and place it into the Application directory. Then, specify the location of newly downloaded pg_config: gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/latest/bin/pg_config If you run in to...
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What's the difference between a catalog and a schema in a relational database?

... other things--all of the various schemas (external, conceptual, internal) and all of the corresponding mappings (external/conceptual, conceptual/internal) are kept. In other words, the catalog contains detailed information (sometimes called descriptor information or metadata) regarding the va...
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Really killing a process in Windows

Occasionally a program on a Windows machine goes crazy and just hangs. So I'll call up the task manager and hit the "End Process" button for it. However, this doesn't always work; if I try it enough times then it'll usually die eventually, but I'd really like to be able to just kill it immediately...
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git mv and only change case of directory

...h out the -A will not take care of the remove side of the mv as Git understands it. Warning! Ensure that no other changes or untracked files are around when you do this or they will get committed as part of this change! git stash -u first, do this and then git stash pop after. Continuing: To get aro...
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WAMP shows error 'MSVCR100.dll' is missing when install

...s part of the Microsoft Visual C++, redistributables. You can install them and see if this solves your problem. After you install the above check if your wamp installation is correctly setup. Search for "my wamp icon stays orange" posts. UPDATE 2019 Wampserver 3 requires Visual C++ Redistributa...
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How to import the class within the same directory or sub directory?

...es are in a subdirectory - put an __init__.py in the subdirectory as well, and then use regular import statements, with dot notation. For each level of directory, you need to add to the import path. bin/ main.py classes/ user.py dir.py So if the directory was named "class...
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How do I solve the INSTALL_FAILED_DEXOPT error?

I am developing an Android application using Android 2.2, my application APK size is 22.5 MB, and I would like to create a new build for a Samsung tablet. I got the following error: ...