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c++ Programming Glossary: demonstrateWhat is the optimal algorithm for generating an unbiased random integer within a range? http://stackoverflow.com/questions/11758809/what-is-the-optimal-algorithm-for-generating-an-unbiased-random-integer-within-a version of rand that only has a range of 0 255 to better demonstrate the effect. I made a few tweaks to rangeRandomAlg2 . Finally..
Very poor boost::lexical_cast performance http://stackoverflow.com/questions/1250795/very-poor-boostlexical-cast-performance efficient if you have basic template knowledge as I will demonstrate below The point 2 is very very important here because it means..
Why do I need strand per connection when using boost::asio? http://stackoverflow.com/questions/12794107/why-do-i-need-strand-per-connection-when-using-boostasio is some example code focusing on strand usage that will demonstrate a socket that is read from via a non composed operation and..
How to write Java-like enums in C++? http://stackoverflow.com/questions/1965249/how-to-write-java-like-enums-in-c the following Java code a part of it sufficient to demonstrate the technique to C public enum Planet MERCURY 3.303e 23 2.4397e6..
Multiple definition of inline functions when linking static libs http://stackoverflow.com/questions/2217628/multiple-definition-of-inline-functions-when-linking-static-libs especially if optimizations are disabled . An example that demonstrates a wrong use of inline because it includes an external definition.. definition I have made some test cases using GCC that demonstrate the mechanism further main.c #include stdio.h inline void f..
Why does C++ disallow anonymous structs and unions? http://stackoverflow.com/questions/2253878/why-does-c-disallow-anonymous-structs-and-unions not much use to anonymous structs in C . The use you demonstrate to have a struct containing three floats which can be referred..
Can someone explain C++ Virtual Methods? http://stackoverflow.com/questions/2391679/can-someone-explain-c-virtual-methods You need at least 1 level of inheritance and a downcast to demonstrate it. Here is a very simple example class Animal public turn..
What does slicing mean in C++? http://stackoverflow.com/questions/2432683/what-does-slicing-mean-in-c a base class object what does slicing mean Any sample to demonstrate http www.parashift.com c faq lite value vs ref semantics.html#faq..
Simple example of threading in C++ http://stackoverflow.com/questions/266168/simple-example-of-threading-in-c Create a function that you want the thread to do. I'll demonstrate with a trivial example void task1 std string msg std cout task1..
Initializing an object to all zeroes http://stackoverflow.com/questions/2837854/initializing-an-object-to-all-zeroes is generally not true. An immediate example that would demonstrate the difference in a typical C implementation is a pointer to.. represent the null pointer of this type. The above example demonstrates a real life practical difference between a zeroing memset and..
Can anyone quantify performance differences between C++ and Java? http://stackoverflow.com/questions/313446/can-anyone-quantify-performance-differences-between-c-and-java still choose C C for performance reasons. Can someone demonstrate where Java cannot be made to perform as well as C for applications..
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++? http://stackoverflow.com/questions/3457967/what-belongs-in-an-educational-tool-to-demonstrate-the-unwarranted-assumptions-p belongs in an educational tool to demonstrate the unwarranted assumptions people make in C C I'd like to.. the tests prove only anything if they break but instead to demonstrate to even the most uncomprehending individual how the most inconspicuous..
How could one implement std::auto_ptr's copy constructor? http://stackoverflow.com/questions/4514124/how-could-one-implement-stdauto-ptrs-copy-constructor trick. I'll use a dumbed down class named auto_int to demonstrate just the copy construction functionality without bringing in..
http://stackoverflow.com/questions/5450159/type-erasure-techniques complete or actually safe to use at all. They shall just demonstrate the type erasure technique. So for my actual question What other..
Audio output with video processing with opencv http://stackoverflow.com/questions/8187745/audio-output-with-video-processing-with-opencv data EDIT I spent the last 4hrs coding a prototype to demonstrate how it's done. This demo reads video frames through OpenCV so..
Utilizing C++ in iOS and Mac OS X applications http://stackoverflow.com/questions/8759573/utilizing-c-in-ios-and-mac-os-x-applications possible to use mostly C I haven't seen any examples that demonstrate either of these items. I am planning on writing a few mobile..
Why does changing 0.1f to 0 slow down performance by 10x? http://stackoverflow.com/questions/9314534/why-does-changing-0-1f-to-0-slow-down-performance-by-10x most processors don't try to handle them efficiently. To demonstrate that this has everything to do with denormalized numbers if..
Is inline assembly language slower than native C++ code? http://stackoverflow.com/questions/9601427/is-inline-assembly-language-slower-than-native-c-code at compile time . Do it and run your test again. It could demonstrate why your debug version is slower in pure C no optimizations..
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