c++ Programming Glossary: everFinding current executable's path without /proc/self/exe http://stackoverflow.com/questions/1023306/finding-current-executables-path-without-proc-self-exe with argv 0 but it doesn't seem entirely reliable. If you ever had to support say Mac OS X which doesn't have proc what would.. executed. In that case you can use getenv _ to get it. However this is unreliable because not all shells do this and it could..
http://stackoverflow.com/questions/114180/pointer-vs-reference pointers if you want to do arithmetic with them or if you ever have to pass a NULL pointer. Use references otherwise. share..
Case insensitive string comparison in C++ http://stackoverflow.com/questions/11635/case-insensitive-string-comparison-in-c transforming a string to all upper or lower case Also what ever methods you present are they Unicode friendly Are they portable..
Visual Studio support for new C / C++ standards? http://stackoverflow.com/questions/146381/visual-studio-support-for-new-c-c-standards language standard that might be nice to use someday. However we currently languish in the land of writing C in Visual Studio... Visual Studio. Will any of the new stuff in the standard ever get added to visual studio or is Microsoft more interested in..
Variable length arrays in C++? http://stackoverflow.com/questions/1887097/variable-length-arrays-in-c like a pretty useful feature does anyone now if there was ever a discussion on adding it to the C standard and if so why it.. based solution as alternative to a language based VLA. However it's not going to be part of C 0x as far as i know. share improve..
Reading from text file until EOF repeats last line http://stackoverflow.com/questions/21647/reading-from-text-file-until-eof-repeats-last-line endl By the way there is another bug in your code. Did you ever try to run it on an empty file The behaviour you get is for..
What uses are there for “placement new”? http://stackoverflow.com/questions/222557/what-uses-are-there-for-placement-new are there for &ldquo placement new&rdquo Has anyone here ever used C 's placement new If so what for It looks to me like it.. Deallocation in placement new You should not deallocate every object that is using the memory buffer. Instead you should..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast years but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e. MyClass.. static_cast is used for cases where you basically want to reverse an implicit conversion with a few restrictions and additions... of C casts and taking the first c cast that works without ever considering dynamic_cast . Needless to say that this is much..
http://stackoverflow.com/questions/2979209/using-fflushstdin
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom to exceptions must be given in a more general case however std copy other.mArray other.mArray mSize mArray destructor.. we're finished this now manages an array without leaks. However it suffers from three problems marked sequentially in the code.. code bloat can be quite a hassle. We should strive to never repeat ourselves. One might wonder if this much code is needed..
Can we increase the re-usability of this key-oriented access-protection pattern? http://stackoverflow.com/questions/3324898/can-we-increase-the-re-usability-of-this-key-oriented-access-protection-pattern as a bit ugly requiring a block of passkey definitions. However improvements to these drawbacks cannot be made in C 03. In C.. code in most cases all non function cases nothing more ever needs to be specially defined. This code generically and simply..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c you know you will always need and you know that you don't ever want to deallocate. By the way embedded environments may be.. Offhand I'd guess that to be an O n^2 operation but whatever it is it can get bad if you are at all concerned with performance... the covers then I'd stick with C . There is a reason that every major game engine that I've ever heard of is in C if not C..
http://stackoverflow.com/questions/4421706/operator-overloading Operator There's a lot to be said about assignment. However most of it has already been said in GMan's famous Copy And Swap.. be implemented as members of their left operand 䏭 type. However their left operands are streams from the standard library and.. std map will always only expect operator to be present. However the users of your type will expect all the other operators to..
What's this STL vs. “C++ Standard Library” fight all about? [closed] http://stackoverflow.com/questions/5205491/whats-this-stl-vs-c-standard-library-fight-all-about the STL and it is these parts that many people including several authors and the notoriously error ridden cplusplus.com still.. error ridden cplusplus.com still refer to as the STL . However this is inaccurate indeed the C standard never mentions STL.. STL . However this is inaccurate indeed the C standard never mentions STL and there are content differences between the two...
Operator Precedence vs Order of Evaluation http://stackoverflow.com/questions/5473107/operator-precedence-vs-order-of-evaluation and k are updated before entering g and h respectively. However it is not specified in which order f g h are executed nor in.. doing a single increment so it's hard to imagine anybody ever doing this in reality. Conceptually however the idea is fits.. anybody ever doing this in reality. Conceptually however the idea is fits the requirements of the standard when you use..
smart pointers (boost) explained http://stackoverflow.com/questions/569775/smart-pointers-boost-explained own it. The second means that only one smart pointer can ever point to the same object at the same time. If the smart pointer.. at the same time. This applies to a raw pointer too however raw pointers lack an important feature They do not define whether.. share of ownership smart pointer will delete the object if every owner gives up the object. This behavior happens to be needed..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords semantically it will declare f as a pointer variable . However if it's a non type it will be parsed as an expression. So the.. 3.7 Some names denote types or templates. In general whenever a name is encountered it is necessary to determine whether that.. that determines this is called name lookup. This however presents a problem in templates How will you find out what a..
Why do all these crazy function pointer definitions all work? What is really going on? http://stackoverflow.com/questions/6893285/why-do-all-these-crazy-function-pointer-definitions-all-work-what-is-really-goi really means. I was trying to figure out when you would ever just use the function's name without the operator. Then it came.. a function it is a function pointer that is an rvalue. However foo would work as would foo because in both of those expressions..
http://stackoverflow.com/questions/712639/understanding-the-meaning-of-the-term-and-the-concept-raii-resource-acquisiti it stands for Resource Acquisition is Initialization . However that name doesn't jive with my possibly incorrect understanding.. heap Also are there cases where you can't use RAII Do you ever find yourself wishing for garbage collection At least a garbage.. beyond the my local variables will be destroyed whenever I return . Let us start with an overly simplistic FileHandle..
Differences between dynamic memory and “ordinary” memory http://stackoverflow.com/questions/1021138/differences-between-dynamic-memory-and-ordinary-memory stuff Each box is officially called a stack frame . Ever notice how your variables have random default values When an..
http://stackoverflow.com/questions/1610030/why-can-you-return-from-a-non-void-function-without-returning-a-value-without-pr returning a value without producing a compiler error Ever since I realized many years ago that this doesn't produce an..
What is the proper way to return an object from a C++ function? http://stackoverflow.com/questions/3953637/what-is-the-proper-way-to-return-an-object-from-a-c-function copy you reference and would logically expect is not done. Ever since Visual Studio 2005 VC 8.0 I don't think twice about returning..
Why do we use volatile keyword in C++? [duplicate] http://stackoverflow.com/questions/4437527/why-do-we-use-volatile-keyword-in-c Possible Duplicate C When Has The volatile Keyword Ever Helped You I have never used it but I wonder why people use..
C struct sizes inconsistence [duplicate] http://stackoverflow.com/questions/8539348/c-struct-sizes-inconsistence c c struct sizeof share improve this question Ever heard of alignment and padding Basically to ensure fast access..
System() calls in C++ and their roles in programming http://stackoverflow.com/questions/900666/system-calls-in-c-and-their-roles-in-programming hurt performance for anything else that might be going on. Ever notice on windows when one application is launching other already..
Ever done a total rewrite of a large C++ application in C#? [closed] http://stackoverflow.com/questions/977105/ever-done-a-total-rewrite-of-a-large-c-application-in-c done a total rewrite of a large C application in C# closed ..
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