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c++ Programming Glossary: beWhat can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux interrupt your program under the debugger while it's being subjectively slow there's a simple way to find performance.. them the remaining ones will take a larger percentage and be easier to spot on subsequent passes. Caveat programmers tend.. to spot on subsequent passes. Caveat programmers tend to be skeptical of this technique unless they've used it themselves...
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three to declare them myself How can I prevent my objects from being copied c copy constructor assignment operator c faq rule.. puzzled by the name name age age part this is called a member initializer list . Special member functions What does it mean.. part this is called a member initializer list . Special member functions What does it mean to copy a person object The main..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points Points What are Sequence Points What is the relation between Undefined Behaviour and Sequence Points I often use funny.. and convoluted expressions like a i i to make myself feel better. Why should I stop using them If you've read this be sure.. better. Why should I stop using them If you've read this be sure to visit the follow up question Undefined Behavior and..
C++ Tips for code optimization on ARM devices http://stackoverflow.com/questions/10800372/c-tips-for-code-optimization-on-arm-devices OR the smaller bits together and write them as DWORDS. 4 Be aware of your L1 L2 cache size. As a general rule ARM chips..
Why simple console app runs but dialog based does not run in WIN CE 6.0? http://stackoverflow.com/questions/10959134/why-simple-console-app-runs-but-dialog-based-does-not-run-in-win-ce-6-0 on it They also have to be the ones your app is built for. Be aware that eVC 4.0 used mfcce400.dll which did not ship with..
http://stackoverflow.com/questions/1202262/ruby-win32-api-interface Win32 # This method is only here for test purposes # Be careful to use the ascii version FindWindow Win32API.new 'user32'..
openCV 2.4.3 iOS framework compiler trouble recognising some c++ headers http://stackoverflow.com/questions/13905471/opencv-2-4-3-ios-framework-compiler-trouble-recognising-some-c-headers pointing to an output directory of your choosing. Be sure to have an up to date copy of CMake or you will trip over..
How is std::string implemented? http://stackoverflow.com/questions/1466073/how-is-stdstring-implemented that's a decent overview of the common variations Item 15 Be aware of variations in string implementations . He talks about..
Converting epoch time to “real” date/time http://stackoverflow.com/questions/1692184/converting-epoch-time-to-real-date-time c algorithm datetime epoch share improve this question Be careful about leap years in your daysInMonth function. If you..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison floating point share improve this question Be extremely careful using any of the suggestions above. It all..
In what cases do I use malloc vs new? http://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-vs-new of data just do something like char pBuffer new char 1024 Be careful though this is not correct This is incorrect may delete..
C++: do you (really) write exception safe code? [closed] http://stackoverflow.com/questions/1853243/c-do-you-really-write-exception-safe-code a throwing swap but nobar's comment must be remembered Be sure the objects you're swapping have a non throwing swap. Edit..
Reduce flicker with GDI+ and C++ http://stackoverflow.com/questions/197948/reduce-flicker-with-gdi-and-c over them and subsequently being over drawn by them. Be aware this will impact the speed of the BitBlt routine somewhat...
Can anyone quantify performance differences between C++ and Java? http://stackoverflow.com/questions/313446/can-anyone-quantify-performance-differences-between-c-and-java not exist. Where does still Java pay in comparison to C Be specific. java c performance comparison share improve this..
What techniques can be used to speed up C++ compilation times? http://stackoverflow.com/questions/373142/what-techniques-can-be-used-to-speed-up-c-compilation-times in compiling another file with that same set of headers. Be careful that you only include rarely changed stuff in the precompiled..
Why should I avoid multiple inheritance in C++? http://stackoverflow.com/questions/406081/why-should-i-avoid-multiple-inheritance-in-c Consider composition of features instead of inheritance Be wary of the Diamond of Dread Consider inheritance of multiple.. Inheritance is the right thing. If it is then use it. Be prepared to defend your multiple inherited architecture in code..
Beyond Stack Sampling: C++ Profilers http://stackoverflow.com/questions/4394606/beyond-stack-sampling-c-profilers Stack Sampling C Profilers A Hacker's Tale The date is.. and trying out new profilers as well as new tech. Why Because I owe it to you guys because you guys rock. It does slow.. Use a profiler. They're good enough for Ritchie Kernighan Bentley and Knuth. I don't care who you think you are. Use a profiler...
Is Qt worth learning? [closed] http://stackoverflow.com/questions/604917/is-qt-worth-learning Qt B Learn other C GUI C Don't learn C GUI at all D Other Be specific about all of these because as you all know it takes..
how to find memory leak in c++ code/project http://stackoverflow.com/questions/6261201/how-to-find-memory-leak-in-c-code-project delete str1 Possible access violation. What a disaster 4 Be careful with local pointers. A pointer you declare in a function..
pthread create error in c++ [duplicate] http://stackoverflow.com/questions/6352280/pthread-create-error-in-c delegate AcceptLoop void ServerManager AcceptLoop Do stuff Be carefull this may or may not start before ServerManager Init..
C/C++: Optimization of pointers to string constants http://stackoverflow.com/questions/690176/c-c-optimization-of-pointers-to-string-constants the optimization flag to the lowest level doesn't mean Be completely naive after all. Compilers will vary in how aggressive..
How to match unicode characters with boost::spirit? http://stackoverflow.com/questions/10474571/how-to-match-unicode-characters-with-boostspirit D1 83 D1 81 D1 82 D1 8B D0 BD D0 BD D1 8B D1 85 D0 B2 D0 BE D0 BB D0 BD UPDATE Okay I worked on this a bit more and the..
error LNK1169: one or more multiply defined symbols found http://stackoverflow.com/questions/12132453/error-lnk1169-one-or-more-multiply-defined-symbols-found protected string phone_number int counter CALL DURATION TO BE CHARGED double charge public string phone_number MOVE TO PROTECTED.. protected string name string id long account ACCOUNT NUMBER private static const int discount 10 STATIC DISCOUNT OF 10..
How to identify the file content as ASCII or binary http://stackoverflow.com/questions/277521/how-to-identify-the-file-content-as-ascii-or-binary two bytes are hex FE FF the file is tentatively UTF 16 BE. If the first two bytes are hex FF FE and the following two.. bytes are hex 00 00 FE FF the file is tentatively UTF 32 BE. If the first four bytes are hex FF FE 00 00 the file is tentatively.. 32&ndash 126 and 128 or above the file is probably UTF 16 BE. If the file contains only little endian two byte words with..
How do I HTML-/ URL-Encode a std::wstring containing Unicode characters? http://stackoverflow.com/questions/3300025/how-do-i-html-url-encode-a-stdwstring-containing-unicode-characters 81 AB E3 81 9F E3 81 A9 E3 82 8A E7 9D 80 E3 81 8D E3 81 BE E3 81 97 E3 81 9F E3 80 82 ... and also HTML Encoded #nnn nn..
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 int s_id return id unique for DERIVED NOT SURE IT WILL BE REALLY UNIQUE FOR EACH CLASS static const int id reinterpret_cast..
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 learned that scanf and gets are both UNSAFE and should NOT BE USED due to potential of buffer overflow. So I wrote this iteration..
Variable length Struct NonStandard in C++11? [duplicate] http://stackoverflow.com/questions/9573748/variable-length-struct-nonstandard-in-c11 do I make it well defined and standard when the buffer MAY BE EMPTY. edit related Array of zero length struct MyStruct uint..
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