c++ Programming Glossary: editHow do I convert between big-endian and little-endian values in C++? http://stackoverflow.com/questions/105252/how-do-i-convert-between-big-endian-and-little-endian-values-in-c I convert between big endian and little endian values in C EDIT For clarity I have to translate binary data double precision.. networking so ntoh and similar functions won't work here. EDIT #2 The answer I accepted applies directly to compilers I'm targetting..
Start thread with member function http://stackoverflow.com/questions/10673585/start-thread-with-member-function function std endl int main std thread t bar foo bar t.join EDIT Accounting your edit you have to do it like this std thread..
C++ convert hex string to signed integer http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer For a functional solution. Stick the code above the line . EDIT It appears that since lexical_cast is defined to have stream..
Variable length arrays in C++? http://stackoverflow.com/questions/1887097/variable-length-arrays-in-c columns will also potentially be spread all over memory. EDIT Looking at the discussion at comp.std.c it's clear that this..
Is there a simple script to convert C++ enum to string? http://stackoverflow.com/questions/201593/is-there-a-simple-script-to-convert-c-enum-to-string C style enums. Does anybody know something for this EDIT The solution should not modify my source except for the generated..
What's the best way to trim std::string http://stackoverflow.com/questions/216823/whats-the-best-way-to-trim-stdstring s They are fairly self explanatory and work very well. EDIT btw I have std ptr_fun in there to help disambiguate std isspace..
Output unicode strings in Windows console app http://stackoverflow.com/questions/2492077/output-unicode-strings-in-windows-console-app wcout.imbue utf8_locale wcout L 癒Hola endl EDIT I could not find any other solution than to wrap this snippet..
C++ Timer function to provide time in nano seconds http://stackoverflow.com/questions/275004/c-timer-function-to-provide-time-in-nano-seconds issues p4 dual p4 ht core2 dual core2 quad phenom quad . EDIT 2013 07 16 It looks like there is some controversy on the efficacy..
Which, if any, C++ compilers do tail-recursion optimization? http://stackoverflow.com/questions/34125/which-if-any-c-compilers-do-tail-recursion-optimization just assume that the compiler did the optimization. EDIT Tail call optimization for C has been added to the GCC in the..
Printing lists with commas C++ http://stackoverflow.com/questions/3496982/printing-lists-with-commas-c out iter I hate when the small things trip me up. EDIT Thanks everyone. This is why I post stuff like this here. So..
Vim and Ctags tips and tricks [closed] http://stackoverflow.com/questions/563616/vim-and-ctags-tips-and-tricks Vim add ons you would recommend for C on Vim development EDIT What other add on you would use in conjunction with Ctags EDIT2.. What other add on you would use in conjunction with Ctags EDIT2 What version of gVim you use with tags Does it make a difference.. of gVim you use with tags Does it make a difference EDIT3 How do you enhance your programming experience for both big..
Developing Internet Explorer Extensions? http://stackoverflow.com/questions/5643819/developing-internet-explorer-extensions access to manipulate the DOM from within a IE extension. EDIT even more details Ideally I would like to plant a toolbar button.. that .NET 4.0 will be installed on a user's computer EDIT I'm providing a 500 reputation bounty on this. I'm serious about.. default word is 'browser' so that it matches a lot of them EDIT after changing the string to be highlighted you must click the..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops xmm0 mmword ptr eax 40h movsd mmword ptr eax 40h xmm0 EDIT The question turned out to be of no relevance as the behavior.. uniform. Accessing 4 ways is still slower than say 2 ways. EDIT It does in fact look like you are allocating all the arrays.. endl system pause return 0 Benchmark Results EDIT Results on an actual Core 2 architecture machine 2 x Intel Xeon..
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection http://stackoverflow.com/questions/8667818/opencv-c-obj-c-detecting-a-sheet-of-paper-square-detection 0.3 squares.push_back approx return squares EDIT 17 08 2012 To draw the detected squares on the image use this..
Calling virtual functions inside constructors http://stackoverflow.com/questions/962132/calling-virtual-functions-inside-constructors reading that and the rest of the FAQ for a followup. EDIT Corrected Most to All thanks litb share improve this answer..
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions Searching Google for gcc regex answers the question. Edit Since people keep complaining on SO about libstdc 's regex code..
throwing exceptions out of a destructor http://stackoverflow.com/questions/130117/throwing-exceptions-out-of-a-destructor article about the subject in his book Effective C Edit Apparently also in More Effective C Item 11 Prevent exceptions..
Visual Studio support for new C / C++ standards? http://stackoverflow.com/questions/146381/visual-studio-support-for-new-c-c-standards more interested in adding new C# variants to do that Edit In addition to the accepted answer I found the Visual C team..
Unnamed/anonymous namespaces vs. static functions http://stackoverflow.com/questions/154469/unnamed-anonymous-namespaces-vs-static-functions functions and anonymous unions not to type declarations. Edit The decision to deprecate this use of the static keyword affect..
How come a non-const reference cannot bind to a temporary object? http://stackoverflow.com/questions/1565600/how-come-a-non-const-reference-cannot-bind-to-a-temporary-object rarely solves problems usually it creates problems. Edit Addressing questions in comment 1 X x getx .ref OK when will..
When should I write the keyword 'inline' for a function/method? http://stackoverflow.com/questions/1759300/when-should-i-write-the-keyword-inline-for-a-function-method I write the keyword 'inline' for a function method in C Edit Questions added by seeing some answers... When should I not..
Is it okay to inherit implementation from STL containers, rather than delegate? http://stackoverflow.com/questions/2034916/is-it-okay-to-inherit-implementation-from-stl-containers-rather-than-delegate typing Am I a heretic for using implementation inheritance Edit What about making it clear that the user should not use MyContainer.. The boost libraries seem to do this stuff all the time. Edit 2 One of the suggestions was to use free functions. I'll show..
How to stop C++ console application from exiting immediately? http://stackoverflow.com/questions/2529617/how-to-stop-c-console-application-from-exiting-immediately exit terminate c faq share improve this question Edit As Charles Bailey rightly points out in a comment below this..
Read whole ASCII file into C++ std::string http://stackoverflow.com/questions/2602013/read-whole-ascii-file-into-c-stdstring has. It looks like you've confused it with C's fopen . Edit Also note the extra parentheses around the first argument to..
How to use Boost in Visual Studio 2010 http://stackoverflow.com/questions/2629421/how-to-use-boost-in-visual-studio-2010 Property Page for edit. Select VC Directories on the left. Edit the Include Directories section to include the path to your.. set of instruction above to set the environment variables. Edit the Library Directories section to include the path to your.. from the second set of instructions above to build boost. Edit the file project config.jam in the directory BOOST_PATH that..
Finding C++ static initialization order problems http://stackoverflow.com/questions/335369/finding-c-static-initialization-order-problems occurrences. Any suggestions on how to do this efficiently Edit I'm getting some good answers on how to SOLVE the static initialization..
Convert std::string to const char* or char* http://stackoverflow.com/questions/347949/convert-stdstring-to-const-char-or-char to free the string after finished using it delete writable Edit Notice that the above is not exception safe. If anything between..
std::vector is so much slower than plain arrays? http://stackoverflow.com/questions/3664272/stdvector-is-so-much-slower-than-plain-arrays or something Or have I just busted this performance myth Edit I'm using Release mode in MSVS2005. In MSVC #define _SECURE_SCL..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring available for the current locale of the Windows user. Edit After a comment from Johann Gerell a std string will be enough..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c can get bad if you are at all concerned with performance. Edit Martin B points out that it is O n for reasonably efficient..
C++: Pointer to class data member http://stackoverflow.com/questions/670734/c-pointer-to-class-data-member to be honest I've never had to use them in my own code. Edit I can't think off hand of a convincing use for pointers to member..
What do single quotes do in C++ when used on multiple characters? http://stackoverflow.com/questions/7459939/what-do-single-quotes-do-in-c-when-used-on-multiple-characters decomposes as 0x74h 't' 0x65h 'e' 0x73h 's' 0x74h 't' Edit C standard 禮2.14.3 1 Character literals ... An ordinary character..
Singleton: How should it be used http://stackoverflow.com/questions/86582/singleton-how-should-it-be-used How should it be used Edit From another question I provided an answer that has links to..
Start thread with member function http://stackoverflow.com/questions/10673585/start-thread-with-member-function main std thread t bar foo bar t.join EDIT Accounting your edit you have to do it like this std thread spawn return std thread..
C++ convert hex string to signed integer http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer x std endl NOTE Below is my original answer which as the edit says is not a complete answer. For a functional solution. Stick..
How do I build a GUI in C++? [closed] http://stackoverflow.com/questions/1186017/how-do-i-build-a-gui-in-c there are your only job is to write and register handlers. edit Oh also I forgot to mention that GUI programming is incredibly..
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 What are common causes and how to fix them Feel free to edit add your own. c linker error undefined reference c faq unresolved.. program takes place in several steps as specified by 2.2 credits to Keith Thompson for the reference The precedence among the..
How to use Boost in Visual Studio 2010 http://stackoverflow.com/questions/2629421/how-to-use-boost-in-visual-studio-2010 .user and select Properties to open the Property Page for edit. Select VC Directories on the left. Edit the Include Directories.. and when to use which one. One way to do that would be to edit the file project config.jam in the directory BOOST_PATH that..
Can any one provide me a sample of Singleton in c++? http://stackoverflow.com/questions/270947/can-any-one-provide-me-a-sample-of-singleton-in-c has a vector of smart pointer and another thread can also edit this vector so when the application is closing it always become.. wasted me 1 day. A new singleton you are welcome to edit if you think there is any problem in the following sample class..
http://stackoverflow.com/questions/2750270/c-c-struct-vs-class same the only difference is that where access modifiers edit for member variables methods and for base classes in classes..
Is the return type part of the function signature? http://stackoverflow.com/questions/290038/is-the-return-type-part-of-the-function-signature the comments below don't apply to this revision see the edit history for details . Introduction However the matter about..
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++? http://stackoverflow.com/questions/3457967/what-belongs-in-an-educational-tool-to-demonstrate-the-unwarranted-assumptions-p right from the start because I figured that people want to edit my blabber when they read this. UPDATE Thanks for your input...
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c no longer have to worry about deleting it yourself. Quick edit as some of the comments have pointed out this example isn't..
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 formatting syntax etc. please leave a comment I'll edit. What are aggregates and why they are special Formal definition..
http://stackoverflow.com/questions/5450159/type-erasure-techniques I wasn't sure wether to add this as an answer or just edit the question I'll just do the safer one. Another nice technique..
What is more efficient i++ or ++i? [duplicate] http://stackoverflow.com/questions/561588/what-is-more-efficient-i-or-i assembly is identical however i is more efficient. edit keep in mind that in C i may be whatever object that support..
How to determine CPU and memory consumption from inside a process? http://stackoverflow.com/questions/63166/how-to-determine-cpu-and-memory-consumption-from-inside-a-process and similar functions If someone with Unix know how could edit this answer and fill in the details share improve this answer..
Have you used any of the C++ interpreters (not compilers)? http://stackoverflow.com/questions/69539/have-you-used-any-of-the-c-interpreters-not-compilers load compiled modules for use in the interpreter... late edit Copied from a later duplicate because the poster on that questions..
OpenCV 2.3 C++ Visual Studio 2010 http://stackoverflow.com/questions/7011238/opencv-2-3-c-visual-studio-2010 Open Configuration Properties C C General and edit the field Additional Include Directories to add these 3 paths..
Position of least significant bit that is set http://stackoverflow.com/questions/757059/position-of-least-significant-bit-that-is-set things not for people to tell me xyzoptimization is evil. edit Thanks everyone for the ideas I've learnt a few other things..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python server not that this is too pertinent. Edit 2 Removed this edit as no longer applicable for i in 1..5 do echo Test run i at..
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