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c++ Programming Glossary: realityWhat are the pros and cons of writing C#/Xaml vs. C++/Xaml WinRT applications in Windows8? [closed] http://stackoverflow.com/questions/10031929/what-are-the-pros-and-cons-of-writing-c-xaml-vs-c-xaml-winrt-applications-in pauses which can cause the UI to studder they are still a reality with managed code. Since .NET and C use the same WinRT framework..
C++ Tips for code optimization on ARM devices http://stackoverflow.com/questions/10800372/c-tips-for-code-optimization-on-arm-devices ARM devices I have been developing C code for augmented reality on ARM devices and optimization of the code is very important..
How to render offscreen on OpenGL? [duplicate] http://stackoverflow.com/questions/12157646/how-to-render-offscreen-on-opengl GL_DRAW_FRAMEBUFFER 0 This is a simple example in reality you likely also want storage for the depth and stencil buffer...
Which one to use - memset() or value initialization to zero out a struct? http://stackoverflow.com/questions/1998752/which-one-to-use-memset-or-value-initialization-to-zero-out-a-struct internal structures were ruined by the memset . So the reality is those things are very different and although you sometimes..
Does the size of an int depend on the compiler and/or processor? http://stackoverflow.com/questions/2331751/does-the-size-of-an-int-depend-on-the-compiler-and-or-processor requirements specified in the language standard. Yet in reality C and C are intended to be efficient . That immediately means..
Does the default constructor initialize built-in types http://stackoverflow.com/questions/2417065/does-the-default-constructor-initialize-built-in-types C the syntax C always invokes default constructor. In reality though the syntax C performs so called value initialization..
Fixed-size floating point types http://stackoverflow.com/questions/2524737/fixed-size-floating-point-types will be the IEEE 754 32 bit binary format. Some do not. In reality float is in fact the IEEE 754 single type on most non embedded..
are C functions declared in <c____> headers guaranteed to be in the global namespace as well as std? http://stackoverflow.com/questions/2587445/are-c-functions-declared-in-c-headers-guaranteed-to-be-in-the-global-names Library headers . So C 0x has been changed to match reality. As of the N2723 Working Paper http open std.org jtc1 sc22 wg21.. and may or may not declare things within namespace std. In reality and in C 0x including cfoo is no safeguard against everything..
Is a C++ compiler allowed to emit different machine code compiling the same program? http://stackoverflow.com/questions/3053904/is-a-c-compiler-allowed-to-emit-different-machine-code-compiling-the-same-prog doesn't say anything to prevent this from happening. In reality however a compiler is normally deterministic so given identical..
Convert Lat/Longs to X/Y Co-ordinates http://stackoverflow.com/questions/4953150/convert-lat-longs-to-x-y-co-ordinates to point out is that this is an approximation. In reality there isn't a simple linear relationship between latitude and..
Is C# really slower than say C++? http://stackoverflow.com/questions/5326269/is-c-sharp-really-slower-than-say-c you create and destroy thousands of objects ... . In reality if you create and destroy thousands of objects the overhead.. fit allocation . This is often little if any closer to reality than many peoples' beliefs about garbage collection e.g. the..
Operator Precedence vs Order of Evaluation http://stackoverflow.com/questions/5473107/operator-precedence-vs-order-of-evaluation so it's hard to imagine anybody ever doing this in reality. Conceptually however the idea is fits the requirements of the..
How to determine CPU and memory consumption from inside a process? http://stackoverflow.com/questions/63166/how-to-determine-cpu-and-memory-consumption-from-inside-a-process Note The name TotalPageFile is a bit misleading here. In reality this parameter gives the Virtual Memory Size which is size of..
Hoisting the dynamic type out of a loop (a.k.a. doing Java the C++ way) http://stackoverflow.com/questions/7451442/hoisting-the-dynamic-type-out-of-a-loop-a-k-a-doing-java-the-c-way it from memory. Now this could be expensive. But in reality is not. The first time this is called the memory will be placed..
Affine Transform, Simple Rotation and Scaling or something else entirely? http://stackoverflow.com/questions/7800905/affine-transform-simple-rotation-and-scaling-or-something-else-entirely on purpose to look a little more distorted rotated than reality and then image B which is what I would like as the final result..
Finding out the CPU clock frequency (per core, per processor) http://stackoverflow.com/questions/8351944/finding-out-the-cpu-clock-frequency-per-core-per-processor rdtsc will always show the frequency at 3.4 GHz . But in reality it idles at 1.6 GHz and clocks up to 4.6 GHz under load via..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops have had 8 way L1 cache associativity for a while. But in reality the performance isn't completely uniform. Accessing 4 ways is..
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