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c++ Programming Glossary: youWhat can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux code c unix profiling share improve this question If your goal is to use a profiler use one of the suggested ones. However.. use a profiler use one of the suggested ones. However if you're in a hurry and you can manually interrupt your program under.. of the suggested ones. However if you're in a hurry and you can manually interrupt your program under the debugger while..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three Stroustrup 60 person b a What happens here b a And here If you are puzzled by the name name age age part this is called a member.. what name pointed to before the assignment sooner or later you will get memory leaks all over the place. Explicit definitions.. delete the array containing the source string because when you write x x both this name and that.name contain the same pointer...
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 branch prediction share improve this question You are the victim of branch prediction fail. What is Branch Prediction.. in the 1800s before long distance or radio communication. You are the operator of a junction and you hear a train coming... the operator of a junction and you hear a train coming. You have no idea which way it will go. You stop the train to ask..
Why is “using namespace std;” considered bad practice? http://stackoverflow.com/questions/1452721/why-is-using-namespace-std-considered-bad-practice is not related to performance at all. But consider this You are using two libraries called Foo and Bar using namespace foo..
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 this question It's a member initialization list . You should find information about it in any good C book. You should.. . You should find information about it in any good C book. You should in most cases initialize all member objects in the member..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier Also everything in the std namespace is reserved. You are allowed to add template specializations though. From the..
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 as to what the problem is this will prove or disprove it. You may have multiple performance problems of different sizes. If..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points Behaviour and Implementation Defined Behaviour . You must also know that the order of evaluation of operands of individual..
Why can templates only be implemented in the header file? http://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file template class Foo int template class Foo float You will only be able to use Foo with int or float If my explanation..
What are the differences between pointer variable and reference variable in C++? http://stackoverflow.com/questions/57483/what-are-the-differences-between-pointer-variable-and-reference-variable-in-c can point to NULL while reference can never point to NULL You can't take the address of a reference like you can with pointers.. not tell you. int x 0 int r x int p x int p2 r assert p p2 You can have pointers to pointers to pointers offering extra levels..
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 after a but also after a or . in a class member access. You need to insert the keyword there too this template f int call.. In enough cases we need both of typename and template . Your code should look like the following template typename T typename..
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 of a local variable inaccessible outside its function You rent a hotel room. You put a book in the top drawer of the bedside.. inaccessible outside its function You rent a hotel room. You put a book in the top drawer of the bedside table and go to.. in the top drawer of the bedside table and go to sleep. You check out the next morning but forget to give back your key...
http://stackoverflow.com/questions/10823022/draw-mouse-pointer-icon copy bits OUT from the DC obtaine at 2 into a save image YOU will need to create these from the position you want to put..
C: Good Habits re: Transitioning to C++ http://stackoverflow.com/questions/1420685/c-good-habits-re-transitioning-to-c of thinking. Your language of choice is never the best. YOU are supposed to become the best. If you write C code then write..
http://stackoverflow.com/questions/14932315/how-to-compile-qt-5-under-windows-or-linux-32-or-64-bit-static-or-dynamic-on-v can be found in C Qt Qt5.2 qtbase . 7 Only for Windows DO YOU REALLY WANT IT TOTALLY STATIC Usually even if you choose the..
http://stackoverflow.com/questions/15832798/using-ace-with-wt ACE with WT UPDATE 3 Final working code below. YOU NEED THE ace.js FROM THE src FOLDER It will not work from the..
How do YOU reduce compile time, and linking time for Visual C++ projects? (native c++) http://stackoverflow.com/questions/364240/how-do-you-reduce-compile-time-and-linking-time-for-visual-c-projects-nativ do YOU reduce compile time and linking time for Visual C projects native.. and linking time for Visual C projects native c How do YOU reduce compile time and linking time for VC projects native..
How popular is C++ for making websites/web applications? [closed] http://stackoverflow.com/questions/417816/how-popular-is-c-for-making-websites-web-applications there any framewroks libraries that help doing this Have YOU ever done it If yes did you run into any fundamental problems..
Are there general guidlines for solving undefined reference/unresolved symbol issues? http://stackoverflow.com/questions/491859/are-there-general-guidlines-for-solving-undefined-reference-unresolved-symbol-is symbol unresolved share improve this question IF YOU WERE USING MSVC You cannot evade this type of error by setting..
Handle arbitrary length integers in C++ http://stackoverflow.com/questions/8146938/handle-arbitrary-length-integers-in-c is more important Please only refer to libraries that YOU used and tell me how did you managed to set it up and pick it..
Unique class type Id that is safe and holds across library boundaries http://stackoverflow.com/questions/922442/unique-class-type-id-that-is-safe-and-holds-across-library-boundaries VALID AND CROSS PLATFORM CROSS VERSION COMPATBLE AS FAR AS YOU KEEP THE CLASS NAME return typeid DERIVED .name int wmain Person..
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