c++ Programming Glossary: often
Detecting endianness programmatically in a C++ program http://stackoverflow.com/questions/1001307/detecting-endianness-programmatically-in-a-c-program I don't like the method based on type punning it will often be warned against by compiler. That's exactly what unions are..
C++ Singleton design pattern http://stackoverflow.com/questions/1008019/c-singleton-design-pattern See this article about when to use a singleton not often Singleton How should it be used See this two article about initialization..
What is a “translation unit” in C++ http://stackoverflow.com/questions/1106149/what-is-a-translation-unit-in-c program. The notion of a translation unit is most often mentioned in the contexts of the One Definition Rule and templates...
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array the train will never have to stop. If you guess wrong too often the train will spend a lot of time stopping backing up and restarting... execution will never have to stop. If you guess wrong too often you spend a lot of time stalling rolling back and restarting...
what is the difference between const int*, const int * const, int const * http://stackoverflow.com/questions/1143262/what-is-the-difference-between-const-int-const-int-const-int-const you point to but not the value that you point to. Most often this is seen with cstrings where you have a pointer to a const..
What is the difference between a definition and a declaration? http://stackoverflow.com/questions/1410563/what-is-the-difference-between-a-definition-and-a-declaration place of a declaration. An identifier can be declared as often as you want. Thus the following is legal in C and C double f..
Why does an overridden function in the derived class hide other overloads of the base class? http://stackoverflow.com/questions/1628768/why-does-an-overridden-function-in-the-derived-class-hide-other-overloads-of-the The matching rules could be complicated at times and often lead to results that might be perceived as illogical by an unprepared..
C++ Functors - and their uses http://stackoverflow.com/questions/356950/c-functors-and-their-uses makes them nicely customizable. As the last lines show you often pass functors as arguments to other functions such as std transform..
What can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux of times it may occur within a sample. Another objection I often hear is It will stop someplace random and it will miss the real..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points relation between Undefined Behaviour and Sequence Points I often use funny and convoluted expressions like a i i to make myself..
Operator overloading http://stackoverflow.com/questions/4421706/operator-overloading syntactic sugar their actual work could be done by and often is forwarded to plain functions. But it is important that you..
How do I use arrays in C++? http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c since C 11 so the need for arrays does not arise quite as often as it does in C. However when you read legacy code or interact..
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 significantly alters some classes. The original STL is now often called an implementation of the C Standard Template Library..
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong is it different from using scanf ... ... EOF in C which I often use with no problems c iostream c faq share improve this..
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome somewhereouse ^ ^ overwritten The part that will most often cause crash is when you overwrite important parts of the data..
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 whether it's a type or not determines parsing you will often get parser errors already at definition time t x is taken as..
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability wchar_t is a UTF 16 code unit on Windows and that char is often bot not always a UTF 8 code unit on Linux. Encoding awareness.. always a UTF 8 code unit on Linux. Encoding awareness is often the more desirable goal make sure that you always know with..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope I certainly have many times. And worse the problem often only surfaces when memory is detected to be corrupt billions..
Best C/C++ Network Library [closed] http://stackoverflow.com/questions/118945/best-c-c-network-library library as well as a library that is a little more robust. Often those are two different libraries and that's okay. c c networking..
#ifdef vs #if - which is better/safer as a method for enabling/disabling compilation of particular sections of code? http://stackoverflow.com/questions/135069/ifdef-vs-if-which-is-better-safer-as-a-method-for-enabling-disabling-compila DEBUG_ENABLED in preprocessor and compiled tests. Example Often I want longer timeouts when debug is enabled so using #if I..
Stack Size Estimation http://stackoverflow.com/questions/1756285/stack-size-estimation i.e. in an argument to pthread_create or the like . Often these stack sizes are hard coded to values that are known to..
Makefiles, how can I use them? [closed] http://stackoverflow.com/questions/20145132/makefiles-how-can-i-use-them describes the build process by detailing dependencies. Often building you program is just done thru the simple make command...
How difficult is it to turn a “Java School” programmer into a C or C++ programmer? http://stackoverflow.com/questions/251007/how-difficult-is-it-to-turn-a-java-school-programmer-into-a-c-or-c-programme Java programmers with maybe a minute smattering of C . Often the C classes don't really prepare students for working in C.. management really everything Joel Spolsky says here . Often as far as I can tell a student will have some of those fundamental..
At what point is it worth using a database? http://stackoverflow.com/questions/2648802/at-what-point-is-it-worth-using-a-database of the data and it's accessibility. Data Duplication Often times when data grows there is an ever growing attraction for..
Loading a dll from a dll? http://stackoverflow.com/questions/2674736/loading-a-dll-from-a-dll to do such an idiotic thing as loading a dll in DllMain Often impossible problems arise because we've chosen a strange route..
Can we write an EOF character ourselves? http://stackoverflow.com/questions/3061135/can-we-write-an-eof-character-ourselves EOF by definition is unequal to any valid character code . Often it is 1. It is not written into the file at any point. There..
What are some reasons a Release build would run differently than a Debug build http://stackoverflow.com/questions/312312/what-are-some-reasons-a-release-build-would-run-differently-than-a-debug-build order in which thread B sees the changes made by thread A. Often the compiler is blamed for these. Not so fast young yedi see..
C/C++: switch for non-integers http://stackoverflow.com/questions/4165131/c-c-switch-for-non-integers C switch for non integers Often I need to choose what to do according to the value of a non..
return statement vs exit() in main() http://stackoverflow.com/questions/461449/return-statement-vs-exit-in-main you've created in that function will not be destroyed. Often this has no implications but sometimes it does like closing..
namespaces for enum types - best practices http://stackoverflow.com/questions/482745/namespaces-for-enum-types-best-practices for enum types best practices Often one needs several enumerated types together. Sometimes one has..
Flags to enable thorough and verbose g++ warnings http://stackoverflow.com/questions/5088460/flags-to-enable-thorough-and-verbose-g-warnings to enable thorough and verbose g warnings Often in C under gcc I will start with the following set of warning..
How to implement the factory pattern in C++ correctly http://stackoverflow.com/questions/5120768/how-to-implement-the-factory-pattern-in-c-correctly Foo createFooInSomeWay return new Foo some args Cool Often indeed. But then this forces the user to only use dynamic allocation...
Can optimizations affect the ability to debug a VC++ app using its PDB? http://stackoverflow.com/questions/563000/can-optimizations-affect-the-ability-to-debug-a-vc-app-using-its-pdb getting a debug private deployed sometimes isn't possible. Often when debugging optimized code I use the disassembly view dissasembly..
static vs extern “C”/“C++” http://stackoverflow.com/questions/592160/static-vs-extern-c-c calling convention for it is the one of your C compiler. Often they are the same as for the C compiler of that platform so..
Real-world use of X-Macros http://stackoverflow.com/questions/6635851/real-world-use-of-x-macros embedded programmer and I use state machines frequently. Often I would write code like this declare an enumeration of state..
source file and header in c++ http://stackoverflow.com/questions/6923961/source-file-and-header-in-c file with the linker linking the resulting object files. Often though IDEs hide that behind their project management. If you..
Pimpl idiom vs Pure virtual class interface http://stackoverflow.com/questions/825018/pimpl-idiom-vs-pure-virtual-class-interface is important. Always passed by reference never by value . Often doesn't make sense to copy instances of the class at all. When.. want to minimize coupling and compile time dependencies. Often it's not worth the bother. As you rightly point out there's..
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