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What is the difference between const int*, const int * const, and int const *?

...= int const * const int * const == int const * const If you want to go really crazy you can do things like this: int ** - pointer to pointer to int int ** const - a const pointer to a pointer to an int int * const * - a pointer to a const pointer to an int int const ** - a pointer to a pointer t...
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Benefit of using Parcelable instead of serializing object

...our objects. Also realize that Android provides two mechanisms that allow you to pass data to another process. The first is to pass a bundle to an activity using an intent, and the second is to pass a Parcelable to a service. These two mechanisms are not interchangeable and ...
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Maintain aspect ratio of div but fill screen width and height in CSS?

...t units vw and vh (viewport width / viewport height) FIDDLE Resize vertically and horizontally and you'll see that the element will always fill the maximum viewport size without breaking the ratio and without scrollbars! (PURE) CSS div { width: 100vw; height: 56.25vw; /* height:width ra...
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How do I measure execution time of a command on the Windows command line?

... keyname. -a specifies that timeit should display average of all timings for the specified key. -i specifies to ignore non-zero return codes from program -d specifies to show detail for average -s specifies to suppress system w...
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Overloaded method selection based on the parameter's real type

...n Java, dynamic method dispatch happens only for the object the method is called on, not for the parameter types of overloaded methods. Citing the Java Language Specification: When a method is invoked (§15.12), the number of actual arguments (and any explicit type arguments) and the comp...
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Why is MATLAB so fast in matrix multiplication?

... Here's my results using MATLAB R2011a + Parallel Computing Toolbox on a machine with a Tesla C2070: >> A = rand(1024); gA = gpuArray(A); % warm up by executing the operations a couple of times, and then: >> tic, C = A * A; toc Elapsed time is 0.075396 sec...
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What is event bubbling and capturing?

...utermost element and propagated to the inner elements. Capturing is also called "trickling", which helps remember the propagation order: trickle down, bubble up Back in the old days, Netscape advocated event capturing, while Microsoft promoted event bubbling. Both are part of the W3C Document...
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NSLog/printf specifier for NSInteger?

... z and t modifiers to handle NSInteger and NSUInteger without warnings, on all architectures. You want to use %zd for signed, %tu for unsigned, and %tx for hex. This information comes courtesy of Greg Parker. Original answer: The official recommended approach is to use %ld as your specifier, a...
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Access to Modified Closure (2)

...Access to Modified Closure . I just want to verify if the following is actually safe enough for production use. 1 Answer ...
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What's the difference between an id and a class?

... to a specific element and class when you have a number of things that are all alike. For instance, common id elements are things like header, footer, sidebar. Common class elements are things like highlight or external-link. It's a good idea to read up on the cascade and understand the precedence ...