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c++ Programming Glossary: takingMost vexing parse: why doesn't A a(()); work? http://stackoverflow.com/questions/1424510/most-vexing-parse-why-doesnt-a-a-work appears to be the declaration of an object a of type A taking a temporary B object as a constructor parameter it's actually.. it's actually a declaration of a function a returning an A taking a pointer to a function which returns B and itself takes no..
How to pass parameters correctly? http://stackoverflow.com/questions/15600499/how-to-pass-parameters-correctly input without altering the input then you could consider taking by value void foo my_class obj One copy or one move here but.. by value you could define two constructor overloads one taking an lvalue reference to const CreditCard const and one taking.. an lvalue reference to const CreditCard const and one taking an rvalue reference CreditCard . Overload resolution will select..
C++ Which is faster: Stack allocation or Heap allocation http://stackoverflow.com/questions/161053/c-which-is-faster-stack-allocation-or-heap-allocation a debate I had with another developer I work with. I was taking care to stack allocate things where I could instead of heap..
Is it good practice to NULL a pointer after deleting it? http://stackoverflow.com/questions/1931126/is-it-good-practice-to-null-a-pointer-after-deleting-it to garbage in the first place. Why isn't there an object taking responsibility for ensuring its validity Why doesn't its scope..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast to trying out a range of sequences of C casts and taking the first c cast that works without ever considering dynamic_cast..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom data with the new data. The temporary copy then destructs taking the old data with it. We are left with a copy of the new data... C 03 let us re use our copy constructor functionality by taking the argument by value C 11 will automatically pick the move..
http://stackoverflow.com/questions/4303513/push-back-vs-emplace-back void push_back Type _Val As there is a push_back overload taking a rvalue reference I don't quite see what the purpose of emplace_back.. is really useful void emplace_back Args ... Instead of taking a value_type it takes a variadic list of arguments so that mean..
http://stackoverflow.com/questions/4421706/operator-overloading for this is the same as the reason giving for operator taking its argument per copy. The bit manipulation operators ~ ^ should..
Is there a difference between foo(void) and foo() in C++ or C http://stackoverflow.com/questions/51032/is-there-a-difference-between-foovoid-and-foo-in-c-or-c between C and C . In C void foo means a function foo taking an unspecified number of arguments of unspecified type void.. of unspecified type void foo void means a function foo taking no arguments In C void foo means a function foo taking no arguments.. foo taking no arguments In C void foo means a function foo taking no arguments void foo void means a function foo taking no arguments..
Operator Precedence vs Order of Evaluation http://stackoverflow.com/questions/5473107/operator-precedence-vs-order-of-evaluation of equal precedence in an expression are applied. So taking the second example of int result x y z we can see here that..
Isn't the template argument (the signature) of std::function part of its type? http://stackoverflow.com/questions/5931214/isnt-the-template-argument-the-signature-of-stdfunction-part-of-its-type overload. The constructor still being the same and still taking anything given to it the conversion works too. Being left with..
How do I pass a unique_ptr argument to a constructor or a function? http://stackoverflow.com/questions/8114276/how-do-i-pass-a-unique-ptr-argument-to-a-constructor-or-a-function Base UPtr next Is this how I should write functions taking unique_ptr arguments And do I need to use std move in the calling..
why do lambda functions in C++11 not have function<> types? http://stackoverflow.com/questions/11628765/why-do-lambda-functions-in-c11-not-have-function-types std function argument it needs to be implicitly converted. Taking a std function argument means that you're choosing implicit..
May compiler optimizations be inhibited by multi-threading? http://stackoverflow.com/questions/16807766/may-compiler-optimizations-be-inhibited-by-multi-threading red zone mno sse4 mpush args msahf mtls direct seg refs Taking a diff we can see that the only difference is that with fopenmp..
Help a C++ newbie understand his mistakes: header files and cpp files http://stackoverflow.com/questions/1686204/help-a-c-newbie-understand-his-mistakes-header-files-and-cpp-files and linking them . I'm not too clear on what that means. Taking a look back at my code I chose not to create header files for..
Stripping linux shared libraries http://stackoverflow.com/questions/2088409/stripping-linux-shared-libraries speed up the loading of the library at least so I'm told . Taking a simple example then test.cpp #include cmath float private_function..
Passing member function pointer to member object in c++ http://stackoverflow.com/questions/2374847/passing-member-function-pointer-to-member-object-in-c member function pointers share improve this question Taking everyone's suggestions together your final solution will look.. FAQ Lite has some guidance on how to simplify the syntax. Taking Chris' idea and running with it you could get yourself something..
Getting the number of trailing 1 bits http://stackoverflow.com/questions/2380728/getting-the-number-of-trailing-1-bits optimization bitwise share improve this question Taking the answer from Ignacio Vazquez Abrams and completing it with..
How to make SIMPLE C++ Makefile? http://stackoverflow.com/questions/2481269/how-to-make-simple-c-makefile which replaces all instances of opat with npat in text. Taking advantage of this gives us CPPFLAGS g shell root config cflags..
Are C++ exceptions sufficient to implement thread-local storage? http://stackoverflow.com/questions/2487509/are-c-exceptions-sufficient-to-implement-thread-local-storage restore on each access void ptr pop push ptr return ptr Taking advantage of the fact that according to the C standard strtok..
http://stackoverflow.com/questions/2867758/how-to-generate-a-long-guid encodes to AQAAAAAAAAA just so you are aware. New Version Taking from Matt Dotson's idea from the bottom of this page if you..
How to get your head around C++ linking/dependencies? http://stackoverflow.com/questions/3482894/how-to-get-your-head-around-c-linking-dependencies Deriving from a class also requires its definition. Taking pointers or references does not require a definition but does..
What's the difference in GCC between -std=gnu++0x and -std=c++0x and which one should be used? http://stackoverflow.com/questions/5135734/whats-the-difference-in-gcc-between-std-gnu0x-and-std-c0x-and-which-one-s 7.18 in the C standard Drat. What does the C standard say Taking out n1256 7.18.1.1 3 These types are optional. However if an..
How to get IOStream to perform better? http://stackoverflow.com/questions/5166263/how-to-get-iostream-to-perform-better it seems that an overwhelming concern is performance. Taking at look at his question How can I speed up line by line reading..
Operator Precedence vs Order of Evaluation http://stackoverflow.com/questions/5473107/operator-precedence-vs-order-of-evaluation of operator is same they are evaluated from left to right Taking this last example as my argument int myval printf Operator n..
What project would you recommend me to get up to speed with C++ [closed] http://stackoverflow.com/questions/602758/what-project-would-you-recommend-me-to-get-up-to-speed-with-c language that takes many years of practice to master. Taking that into account do you know of a small project around a 1k..
Why artificially limit your code to C? [closed] http://stackoverflow.com/questions/649789/why-artificially-limit-your-code-to-c you can interface to in the language you are working in. Taking the first C file in a project I'm working on this is what happens..
Calling virtual function of derived class from base class constructor? http://stackoverflow.com/questions/6561429/calling-virtual-function-of-derived-class-from-base-class-constructor but in my program it seems to be that is the opposite. Taking the same variables from the previous question a code which shows..
Overload resolution failure when streaming object via implicit conversion to string http://stackoverflow.com/questions/6677072/overload-resolution-failure-when-streaming-object-via-implicit-conversion-to-str overload being a template instantiation and ... ADL Update Taking std string out of the equation and replacing it with my own..
Are there any concurrent containers in C++11? http://stackoverflow.com/questions/7817364/are-there-any-concurrent-containers-in-c11 is about STL containers and whether they are thread safe. Taking Stephan ™s words here the reality is that they aren ™t not as..
Should I pass a shared_ptr by reference? http://stackoverflow.com/questions/8385457/should-i-pass-a-shared-ptr-by-reference the object to which you hold a reference is still alive. Taking a reference of the shared pointer has defeated its entire purpose...
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