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c++ Programming Glossary: rememberSegmentation fault on large array sizes http://stackoverflow.com/questions/1847789/segmentation-fault-on-large-array-sizes machine has enough memory. int array new int 1000000 But remember that this will require you to delete the array. A better solution..
What platforms have something other than 8-bit char? http://stackoverflow.com/questions/2098149/what-platforms-have-something-other-than-8-bit-char char . I think I even heard about a 24 bit DSP but I can't remember what so maybe I imagined it. Another consideration is that POSIX..
How to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c references or non pointer and non reference values I remember in Java there are no such issues since we pass just the variable..
Dynamically allocating an array of objects http://stackoverflow.com/questions/255612/dynamically-allocating-an-array-of-objects If your object has a RAW pointer then you need to remember the the rule of 3 now the rule of 5 in C 11 . Constructor Destructor..
What does 'unsigned temp:3' mean? [duplicate] http://stackoverflow.com/questions/2950029/what-does-unsigned-temp3-mean B 3 4 1 rounded to 8 8 7 23 rounded to 24 I'm not sure I remember this correctly but I think I got it right. share improve this..
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 and functions. The caller doesn't need to try to create or remember a passkey specific to the function. Rather each class now has..
http://stackoverflow.com/questions/3582001/advantages-of-using-forward get rid of the ugly. static_cast T is cryptic and weird to remember let's instead make a utility function called forward which does..
When and why will an OS initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete? http://stackoverflow.com/questions/370195/when-and-why-will-an-os-initialise-memory-to-0xcd-0xdd-etc-on-malloc-free-new examples as to how this initialisation is useful I remember reading something maybe in Code Complete 2 that it is good to..
Online C++ compiler and evaluator [closed] http://stackoverflow.com/questions/3916000/online-c-compiler-and-evaluator an evaluator I once bumped into such a site but I don't remember the name now. Thanks c compiler online compilation share..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three a single class this will only lead to pain. In that case remember the rule of three If you need to explicitly declare either the..
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 look at some examples class NotAggregate1 virtual void f remember no virtual functions class NotAggregate2 int x x is private..
C/C++: Capture characters from standard input without waiting for enter to be pressed http://stackoverflow.com/questions/421860/c-c-capture-characters-from-standard-input-without-waiting-for-enter-to-be-pr input without waiting for enter to be pressed I can never remember how I do this because it comes up so infrequently for me. But..
http://stackoverflow.com/questions/4421706/operator-overloading . Once you got used to do i it becomes very hard to remember to do i instead when i is not of a built in type plus you'd..
C++ Returning reference to local variable http://stackoverflow.com/questions/4643713/c-returning-reference-to-local-variable the following code func1 correct if it has to return i I remember reading somewhere that there is a problem when returning reference..
What C++ Smart Pointer Implementations are available? http://stackoverflow.com/questions/5026197/what-c-smart-pointer-implementations-are-available situations but I must have ignored them because I can't remember what the argument was. Apparently it was popular enough to become..
Proper stack and heap usage in C++? http://stackoverflow.com/questions/599308/proper-stack-and-heap-usage-in-c the heap and outlives foo . Whoever you pass this to must remember to delete it return pointerToC this is NOT SAFE B lives on the..
Resolve circular dependencies in c++ http://stackoverflow.com/questions/625799/resolve-circular-dependencies-in-c But fortunately this doesn't happen often enough for me to remember the solution to this problem for the next time it happens again... B.h int main ... A a When you are compiling the .cc file remember that the .cc and not the .h is the unit of compilation you need..
Is short-circuiting boolean operators mandated in C/C++? And evaluation order? http://stackoverflow.com/questions/628526/is-short-circuiting-boolean-operators-mandated-in-c-c-and-evaluation-order on C an answer also for C would be great. I also remember reading can't remember where that evaluation order isn't strictly.. also for C would be great. I also remember reading can't remember where that evaluation order isn't strictly defined so your code..
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513? http://stackoverflow.com/questions/11413855/why-is-transposing-a-matrix-of-512x512-much-slower-than-transposing-a-matrix-of memory is read in the cache and the old value is replaced. Remember each set has a number of lines out of which the least recently.. but they'll go into 8 different cache lines in column 28. Remember critical stride is 4 rows apart 4 consecutive elements in a..
C++ Vector of Pointers to Objects http://stackoverflow.com/questions/1361139/c-vector-of-pointers-to-objects derived all automatically freed here int main foo Remember you generally want to use std unique_ptr as a default because..
http://stackoverflow.com/questions/1392200/sizeof-string-literal of size N of char' where N includes the terminal null. Remember arrays do not decay to pointers when passed to sizeof . share..
*.h or *.hpp for your class definitions http://stackoverflow.com/questions/152555/h-or-hpp-for-your-class-definitions easily spot all the C headers and check for C versions. Remember C is not C and it can be very dangerous to mix and match unless..
Splitting templated C++ classes into .hpp/.cpp files--is it possible? http://stackoverflow.com/questions/1724036/splitting-templated-c-classes-into-hpp-cpp-files-is-it-possible for the method definition cannot be generated. Remember the first argument of the class method is the 'this' operator...
When to use inline function and when not to use it? http://stackoverflow.com/questions/1932311/when-to-use-inline-function-and-when-not-to-use-it operator unless the class cannot be copied by value Remember that the inline keyword is a hint to the compiler the compiler..
Why does C# not provide the C++ style 'friend' keyword? http://stackoverflow.com/questions/203616/why-does-c-sharp-not-provide-the-c-style-friend-keyword is not as good as friend but it does get the job done. Remember that it is rare that you will be distributing your code to 3rd..
How do I start a new CUDA project in Visual Studio 2008? http://stackoverflow.com/questions/2046228/how-do-i-start-a-new-cuda-project-in-visual-studio-2008 CUDA code. Therefore you need to do this step manually. Remember to do it for all configurations If you want to stabilise on..
http://stackoverflow.com/questions/2331316/what-is-stack-unwinding
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom change we need to make to our class so why does it work Remember the ever important decision we made to make the parameter a..
Finding C++ static initialization order problems http://stackoverflow.com/questions/335369/finding-c-static-initialization-order-problems you must make sure you force the order of destruction. Remember the order of destruction is the exact inverse of the order of..
Why does C++ require a cast for malloc() but C doesn't? http://stackoverflow.com/questions/3477741/why-does-c-require-a-cast-for-malloc-but-c-doesnt or otherwise don't have a declaration for malloc in scope. Remember that if C sees a function call without a prior declaration it..
http://stackoverflow.com/questions/3907028/opencv-process-every-frame to convert a colored frame to its grayscale version. Remember that you must deallocate the returned IplImage yourself after.. to convert a colored frame to its grayscale version. Remember that you must deallocate the returned IplImage yourself after..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three a person into a vector and now I get crazy memory errors Remember that by default copying an object means copying its members..
5 years later, is there something better than the “Fastest Possible C++ Delegates”? http://stackoverflow.com/questions/4298408/5-years-later-is-there-something-better-than-the-fastest-possible-c-delegate method itself Unfortunately no but we can help it along. Remember that a compiler can deduce types via template argument deduction..
What are access specifiers? Should I inherit with private, protected or public? http://stackoverflow.com/questions/5447498/what-are-access-specifiers-should-i-inherit-with-private-protected-or-public Allowed Compiler Error obj.c 30 Not Allowed Compiler Error Remember the same access rules apply to the classes and members down..
Efficiently convert between Hex, Binary, and Decimal in C/C++ http://stackoverflow.com/questions/819487/efficiently-convert-between-hex-binary-and-decimal-in-c-c 100 numbers and then fall back on a library function. Remember that large tables may not fit in your cache and may require..
“Undefined reference to” template class constructor http://stackoverflow.com/questions/8752837/undefined-reference-to-template-class-constructor or explicit instantiations of cola float or cola string . Remember when compiling cola.cpp the compiler has no clue which instantiations..
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