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c++ Programming Glossary: effectivelyExamples of when a bitwise swap() is a bad idea? http://stackoverflow.com/questions/11638271/examples-of-when-a-bitwise-swap-is-a-bad-idea any object for which a straight byte copy is meaningless effectively recursing this definition or for which copying is normally disabled..
http://stackoverflow.com/questions/12135518/is-faster-than branches are predicted successfully the latency of jcc is effectively zero. So nothing in the Intel docs ever treats one Jcc instruction..
Problems with Singleton Pattern http://stackoverflow.com/questions/1392315/problems-with-singleton-pattern unit teest. Further you can't stub out the singleton as effectively and your use of mock objects becomes difficult to use there..
How do I get the directory that a program is running from? http://stackoverflow.com/questions/143174/how-do-i-get-the-directory-that-a-program-is-running-from current directory when your program first starts then you effectively have the directory your program was started from. Store the..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol directive with a forward declaration in b.h was enough to effectively express the dependency of B on A using forward declarations..
http://stackoverflow.com/questions/195853/spinlock-versus-semaphore burns CPU cycles for a long time maybe forever while it effectively achieves nothing . The main incentive for such an approach is..
Why is volatile not considered useful in multithreaded C or C++ programming? http://stackoverflow.com/questions/2484980/why-is-volatile-not-considered-useful-in-multithreaded-c-or-c-programming properties also provide the ones that volatile do so it is effectively unnecessary. For thread safe accesses to shared data we need.. writes are executed when the barrier is reached so it effectively gives us everything we need by itself making volatile unnecessary...
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom third problem code duplication. Our assignment operator effectively duplicates all the code we've already written elsewhere and.. by swapping the members of two classes the two classes are effectively swapped swap first.mSize second.mSize swap first.mArray second.mArray..
Why are unnamed namespaces used and what are their benefits? http://stackoverflow.com/questions/357404/why-are-unnamed-namespaces-used-and-what-are-their-benefits . . Unnamed namespaces are a utility to make an identifier effectively translation unit local. They behave as if you would choose an..
http://stackoverflow.com/questions/3582001/advantages-of-using-forward a nightmare. We'd like to do this automatically. This is effectively what we get the compiler to do for us in C 11. In C 11 we get..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points of the value to be written. So it is fine. This rule effectively constrains legal expressions to those in which the accesses..
What does T&& (double ampersand) mean in C++11? http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11 constructor actually modifies its argument. This would effectively move the temporary into the object being constructed thereby..
http://stackoverflow.com/questions/5854581/polymorphism-in-c derived from the same base class virtual dispatch 1 SFINAE effectively allows several sets of expectations. For example you might encode.. conversions in the topic above. Implicit constructors effectively do the same thing but are controlled by the cast to type f const..
Is there any reason to check for a NULL pointer before deleting? http://stackoverflow.com/questions/615355/is-there-any-reason-to-check-for-a-null-pointer-before-deleting question It's perfectly safe to delete a null pointer it effectively amounts to a no op. The reason you might want to check for null..
Accessing class members on a NULL pointer http://stackoverflow.com/questions/669742/accessing-class-members-on-a-null-pointer members of the object pointed to by its this argument you effectively dodge the bullet of dereferencing a null pointer because you..
What XML parser should I use in C++? http://stackoverflow.com/questions/9387610/what-xml-parser-should-i-use-in-c querying elements within an XML tree. It's a handy way of effectively naming an element or collection of element by common properties.. syntax. Many XML libraries offer XPath support. There are effectively three choices here LibXML2 It provides full XPath 1.0 support...
C++ streams confusion: istreambuf_iterator vs istream_iterator? http://stackoverflow.com/questions/10564013/c-streams-confusion-istreambuf-iterator-vs-istream-iterator use streambufs to as their source target of input output. Effectively the streambuf family does all the work regarding IO and the..
C++11 anonymous union with non-trivial members http://stackoverflow.com/questions/10693913/c11-anonymous-union-with-non-trivial-members move constructor move assignment operator and destructor. Effectively this means that you can't create instances of U unless you define..
What is “cache-friendly” code? http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code processor can use to be overwritten again and again. Effectively different threads make each other wait by inducing cache misses..
c++11 Return value optimization or move? http://stackoverflow.com/questions/17473753/c11-return-value-optimization-or-move and the copying of that temporary object into object t2 . Effectively the construction of the local object t can be viewed as directly..
http://stackoverflow.com/questions/2802953/how-do-shared-pointers-work zero the reference count struct will not be destroyed. Effectively as long as the strong reference count is greater than zero the..
Sub-millisecond precision timing in C or C++ http://stackoverflow.com/questions/2904887/sub-millisecond-precision-timing-in-c-or-c app set the CPU affinity to run only on your shielded CPU. Effectively this should prevent the OS from ever suspending your app as..
Advice on Mocking System Calls http://stackoverflow.com/questions/2924440/advice-on-mocking-system-calls time seams which Michael Feathers describes in Working Effectively with Legacy Code . The basic idea is to leverage the linker..
How to set up unit testing for Visual Studio C++ http://stackoverflow.com/questions/3150/how-to-set-up-unit-testing-for-visual-studio-c one ported to C . I'm paraphrasing from Feather's Working Effectively with Legacy Code book . CPPUnitLite2 seems to be another rewrite..
Can someone Explain Mutex and how it is used? http://stackoverflow.com/questions/3528877/can-someone-explain-mutex-and-how-it-is-used running which is what your mutex is protecting against. Effectively it is still protecting against access from more than one thread..
Switch-Case: declaration-with-initialization & declaration-and-then-assignment http://stackoverflow.com/questions/3757445/switch-case-declaration-with-initialization-declaration-and-then-assignment switch case jump table share improve this question Effectively the rule is that you can't jump into a block past a declaration..
standard conversions: Array-to-pointer conversion http://stackoverflow.com/questions/4223617/standard-conversions-array-to-pointer-conversion can be used as if it were a pointer to its first element. Effectively given an array named x you can replace most uses of x 0 with..
Can a object be passed as value to the copy constructor http://stackoverflow.com/questions/4391350/can-a-object-be-passed-as-value-to-the-copy-constructor a copy of the object in the definition of how to copy it. Effectively what really happens if this trap is not there is your copy constructor..
How can C++ virtual functions be implemented except vtable? [duplicate] http://stackoverflow.com/questions/5417829/how-can-c-virtual-functions-be-implemented-except-vtable Another known mechanism is type dispatch functions. Effectively you replace the vtable pointer by a typeid small enum . The..
Accessing public class memory from C++ using C http://stackoverflow.com/questions/666320/accessing-public-class-memory-from-c-using-c i 0 i EnergyArray.size i SumStrainEnergy EnergyArray i Effectively sum of array engy from CFE.c return SumStrainEnergy CFE.h..
Unit testing for C++ code - Tools and methodology http://stackoverflow.com/questions/91384/unit-testing-for-c-code-tools-and-methodology unit tests to legacy code was the very reason Working Effectively with Legacy Code was written. Michael Feathers is the author..
Will member subobjects of local variables be moved too if returned from a function? http://stackoverflow.com/questions/9183087/will-member-subobjects-of-local-variables-be-moved-too-if-returned-from-a-functi gets destroyed and may do funny things to the subobjects. Effectively this means that construction of the subject cannot be elided...
C++11 make_pair with specified template parameters doesn't compile http://stackoverflow.com/questions/9641960/c11-make-pair-with-specified-template-parameters-doesnt-compile type T and U where T and U are template type parameters. Effectively it looks like this ignoring the return type template typename..
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