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c++ Programming Glossary: i'vehttp://stackoverflow.com/questions/1008019/c-singleton-design-pattern Singleton design pattern Recently I've bumped into a realization implementation of the Singleton design..
Why is “using namespace std;” considered bad practice? http://stackoverflow.com/questions/1452721/why-is-using-namespace-std-considered-bad-practice &ldquo using namespace std &rdquo considered bad practice I've been told by others on numerous occasions that my teacher was..
http://stackoverflow.com/questions/146452/what-are-pod-types-in-c are POD types in C I've been following SO for a bit now and I've come across this term.. POD types in C I've been following SO for a bit now and I've come across this term POD type a few times... what does it mean..
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 weird colon member syntax in the constructor Recently I've seen an example like the following #include iostream class Foo.. It somehow seems to initialize the member variable but I've never seen this syntax before. It looks like a function constructor..
Best way to detect integer overflow in C/C++ http://stackoverflow.com/questions/199333/best-way-to-detect-integer-overflow-in-c-c have an internal flag that is set when overflow occurs but I've never seen it accessed through C or C . c c integer overflow..
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 come from an MFC background you'll probably use m_foo . I've also seen myFoo occasionally. C# or possibly just .NET seems..
Is it possible to write a C++ template to check for a function's existence? http://stackoverflow.com/questions/257288/is-it-possible-to-write-a-c-template-to-check-for-a-functions-existence std cout has_helloworld Generic value std endl return 0 I've just tested it with Linux and gcc 4.1 4.3. I don't know if it's..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast cast vs. static_cast vs. dynamic_cast I've been writing C and C code for almost twenty years but there's.. years but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e... of these languages that I've never really understood. I've obviously used regular casts i.e. MyClass m MyClass ptr all..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers i x.end i if i x.begin o delim o i o close return o Now I've seen plenty of template magic here on SO that I never thought.. the delimiters to use. The major difference is that I've built my version around a pretty_ostream_iterator which works.. trait or to specify a different delimiters type. I've also defined is_container and delimiters so it will work for..
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 values around and still referencing the same memory block. I've found that the best analogy is to consider the pointer as a.. All sorts of operations can thus be easily explained. I've added some Delphi code down below and some comments where appropriate...
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 if a type U is one of the types T1..Tn . For instance I've got a member template typename U union_cast U that should only..
Why can't variables be declared in a switch statement? http://stackoverflow.com/questions/92396/why-cant-variables-be-declared-in-a-switch-statement can't variables be declared in a switch statement I've always wondered this why can't you declare variables after a..
what's the best stable editor & compiler for c++ with gui & under linux? http://stackoverflow.com/questions/164693/whats-the-best-stable-editor-compiler-for-c-with-gui-under-linux are some others where i cannot tell you how they are since i've not tested them including Anjuta for the Gnome desktop and Code.. each out and then decide. From the stability point of view i've found Emacs is very stable and never crashes Eclipse is also..
How do you read a segfault kernel log message http://stackoverflow.com/questions/2179403/how-do-you-read-a-segfault-kernel-log-message numbers on segfault in this instance it is error 6 but i've seen error 4 5 What is the meaning of the information at bf794ef0..
Is the return type part of the function signature? http://stackoverflow.com/questions/290038/is-the-return-type-part-of-the-function-signature do not include the return type in their signature. note i've rewritten this answer and the comments below don't apply to..
What are some C++ related idioms, misconceptions, and gotchas that you've learnt from experience? http://stackoverflow.com/questions/294018/what-are-some-c-related-idioms-misconceptions-and-gotchas-that-youve-learnt improve this question I've liked this since the time i've discovered it in some code assert condition Something has gone..
boost spirit semantic action parameters http://stackoverflow.com/questions/3066701/boost-spirit-semantic-action-parameters in retrospective making the parser fail. All fine but i've been trying to find an example passing a function object as..
Win32 API stack walk with MinGW/MSYS? http://stackoverflow.com/questions/3318564/win32-api-stack-walk-with-mingw-msys API stack walk with MinGW MSYS i've to develop a stack trace walk to our win32 API plattform support.. full functional implementation for Linux plattforms. First i've tried to implement a stackwalk using the win32 CaptureStackBackTrace.. DrMinGW is not an option for me while it is a JIT Debugger i've to implement a stack trace mechansim for any exception occuring..
Which C++ signals/slots library should I choose? http://stackoverflow.com/questions/359928/which-c-signals-slots-library-should-i-choose own solution that i heavily use in a game and for instance i've no problem with the performance so maybe something similar could..
http://stackoverflow.com/questions/3907028/opencv-process-every-frame using OpenCV for video capture. In all the examples i've found frames from the camera are processed using the grab function..
Probability density function problem, from a paper, implemented using C++, not working as intended http://stackoverflow.com/questions/4103477/probability-density-function-problem-from-a-paper-implemented-using-c-not-w as intended So i'm implementing a heuristic algorithm and i've come across this function. I have an array of 1 to n 0 to n..
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 the enter key. I'm not a frequent windows developer but i've seen my classmates just include conio.h and use it. See conio.h..
How To catch python stdout in c++ code http://stackoverflow.com/questions/4307187/how-to-catch-python-stdout-in-c-code using Py_run_SimpleString this is some example of the code i've written. #include boost python.hpp #include iostream void pythonCallBackFunc..
How to loop through a c++ map [duplicate] http://stackoverflow.com/questions/4844886/how-to-loop-through-a-c-map over a map in c How would I loop through a map in c i've searched but none seem to work for me. My map is defined as..
Relative Paths Not Working in Xcode C++ http://stackoverflow.com/questions/516200/relative-paths-not-working-in-xcode-c
why is this so much slower in c++? http://stackoverflow.com/questions/7809473/why-is-this-so-much-slower-in-c with the C# version. Here is my C code. I'm guessing i've done something a bit drastically wrong. parses the text path..
can't seem to find std::thread in msvc++ 2010 express http://stackoverflow.com/questions/9250999/cant-seem-to-find-stdthread-in-msvc-2010-express additions to c recently that i'm really excited about and i've already been through the new std unique_ptr and std shared_ptr.. useful and now i'm looking for that native thread library i've heard about and can't seem to find it anywhere. I was reading..
http://stackoverflow.com/questions/9329020/undefined-reference-to-sync-val-compare-and-swap-4-error-at-compilation-usi and 4.2.0 for Sparc v8 target Using crosstool scripts i've built under Cygwin the following compilers gcc 4.1.1 and 4.2.0..
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