c++ Programming Glossary: most
What is an undefined reference/unresolved external symbol error and how do I fix it? http://stackoverflow.com/questions/12573816/what-is-an-undefined-reference-unresolved-external-symbol-error-and-how-do-i-fix errors occur during this last stage of compilation most commonly referred to as linking. It basically means that you..
Do-While and if-else statements in C/C++ macros http://stackoverflow.com/questions/154136/do-while-and-if-else-statements-in-c-c-macros block say for example to declare local variables. In the most general case the solution is to use something like do ... while..
What is this weird colon-member syntax in the constructor? http://stackoverflow.com/questions/1711990/what-is-this-weird-colon-member-syntax-in-the-constructor information about it in any good C book. You should in most cases initialize all member objects in the member initialization..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison way for float and double comparison What would be the most efficient way to compare two double or two float values Simply.. .001 inch . That is a b but 1000a 1000b . This is why AlmostEqual2sComplement asks for the epsilon or max ULPS . The use..
Default constructor with empty brackets http://stackoverflow.com/questions/180172/default-constructor-with-empty-brackets a good reason this isn't allowed c constructor c faq most vexing parse share improve this question Most vexing parse.. this question Most vexing parse This is known as C 's most vexing parse . Basically anything that can be interpreted by..
What should main() return in C and C++? http://stackoverflow.com/questions/204476/what-should-main-return-in-c-and-c should main return in C and C What is the correct most efficient way to define the main function in C and C int main..
How to split a string in C++? http://stackoverflow.com/questions/236129/how-to-split-a-string-in-c to split a string in C What's the most elegant way to split a string in C The string can be assumed..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom the copy assignment operator is arguably the most nuanced and difficult. How should it be done What pitfalls need.. mArray private std size_t mSize int mArray This class almost manages the array successfully but it needs operator to work.. act as noise in the code self assignment rarely occurs so most of the time this check is a waste. It would be better if the..
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used on volatile though that's less common. dynamic_cast is almost exclusively used for handling polymorphism. You can cast a pointer.. forms of inheritance are rare. reinterpret_cast is the most dangerous cast and should be used very sparingly. It turns one.. to perform an operation that no other cast can. This is mostly a kludge though and in my mind is just another reason to avoid..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points a scalar object shall have its stored value modified at most once by the evaluation of an expression. What does it mean Informally.. because there's no sequence point between ` i` right most and assignment to `i` `i` gets modified more than once b w two..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special present it means that the objects of this class have on most implementations a pointer to the so called vtable of the class..
Operator overloading http://stackoverflow.com/questions/4421706/operator-overloading an index of the answers in the order in which they make most sense The General Syntax of operator overloading in C The Three.. There's a lot to be said about assignment. However most of it has already been said in GMan's famous Copy And Swap FAQ.. been said in GMan's famous Copy And Swap FAQ so I'll skip most of it here only listing the perfect assignment operator for..
size of int, long, etc http://stackoverflow.com/questions/589575/size-of-int-long-etc that defines the number of bits in a byte in all but the most obscure platforms it's 8 and it can't be less than 8 . One additional..
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 it. This is more or less how branch predictors work. Most applications have well behaved branches. So modern branch predictors..
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 what you point to but not the value that you point to. Most often this is seen with cstrings where you have a pointer to..
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions often part that would have finished the implementation. Most parts of the library were more complete and are now almost fully..
Using std Namespace http://stackoverflow.com/questions/1265039/using-std-namespace cons of each c namespaces share improve this question Most C users are quite happy reading std string std vector etc. In..
throwing exceptions out of a destructor http://stackoverflow.com/questions/130117/throwing-exceptions-out-of-a-destructor exceptions out of a destructor Most people say never throw an exception out of a destructor doing..
Most vexing parse: why doesn't A a(()); work? http://stackoverflow.com/questions/1424510/most-vexing-parse-why-doesnt-a-a-work vexing parse why doesn't A a work Among the many things Stack..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison effective way for float and double comparison What would be..
Default constructor with empty brackets http://stackoverflow.com/questions/180172/default-constructor-with-empty-brackets c faq most vexing parse share improve this question Most vexing parse This is known as C 's most vexing parse . Basically..
What is the point of function pointers? http://stackoverflow.com/questions/2592137/what-is-the-point-of-function-pointers c function pointers c faq share improve this question Most examples boil down to callbacks You call a function f passing..
What is move semantics? http://stackoverflow.com/questions/3106110/what-is-move-semantics radio podcast interview with Scott Meyers regarding C 0x . Most of the new features made sense to me and I am actually excited..
What is The Rule of Three? http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three by the C standard or any compiler I am aware of. Advice Most of the time you do not need to manage a resource yourself because..
Operator overloading http://stackoverflow.com/questions/4421706/operator-overloading share improve this question Common operators to overload Most of the work in overloading operators is boiler plate code. That..
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 including features that were never part of the STL itself. Most vocal proponents of the STL in contrast know exactly what they..
Developing Internet Explorer Extensions? http://stackoverflow.com/questions/5643819/developing-internet-explorer-extensions persist information in an IE extension In Firefox Chrome Most modern browsers you use window.localStorage but obviously with..
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 the call to .Free might work but that is just pure luck. Most likely it will fail at a customers place in the middle of a..
Most vexing parse(C++) http://stackoverflow.com/questions/5926103/most-vexing-parsec vexing parse C I got the code from here . class Timer public..
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 expressions e.g a cast to a type template parameter T 0 Most of the rules are intuitive and are built up recursively For..
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability and simply take any null terminated string as a file name. Most systems take byte strings but Windows NTFS takes 16 bit strings...
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 let you make mistakes and get away with it. Most of the time. Until one day something truly awful goes wrong..
Calling virtual functions inside constructors http://stackoverflow.com/questions/962132/calling-virtual-functions-inside-constructors
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