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How are 3D games so efficient? [closed]

There is something I have never 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 difference between Views and Materialized Views in Oracle?

What is the difference between Views and Materialized Views in Oracle? 8 Answers 8 ...
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Lambda capture as const reference?

Is it possible to capture by const reference in a lambda expression? 8 Answers 8 ...
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Understanding Canvas and Surface concepts

I'm struggling to understand the process of drawing to SurfaceView and therefore the whole Surface / Canvas / Bitmap system, which is used in Android. ...
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Why do most C developers use define instead of const? [duplicate]

In many programs a #define serves the same purpose as a constant. For example. 9 Answers ...
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How to call a function from a string stored in a variable?

I need to be able to call a function, but the function name is stored in a variable, is this possible? e.g: 16 Answers ...
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How much is the overhead of smart pointers compared to normal pointers in C++?

How much is the overhead of smart pointers compared to normal pointers in C++11? In other words, is my code going to be slower if I use smart pointers, and if so, how much slower? ...
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What are the benefits of dependency injection containers?

I understand benefits of dependency injection itself. Let's take Spring for instance. I also understand benefits of other Spring featureslike AOP, helpers of different kinds, etc. I'm just wondering, what are the benefits of XML configuration such as: ...
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What command means “do nothing” in a conditional in Bash?

Sometimes when making conditionals, I need the code to do nothing, e.g., here, I want Bash to do nothing when $a is greater than "10", print "1" if $a is less than "5", otherwise, print "2": ...
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What is the difference between up-casting and down-casting with respect to class variable

What is the difference between up-casting and down-casting with respect to class variable? 10 Answers ...