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c++ Programming Glossary: commentsStart thread with member function http://stackoverflow.com/questions/10673585/start-thread-with-member-function more points some of them have also been discussed in the comments. The syntax described above is defined in terms of the INVOKE..
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions in the same unfinished state since it was added. Reading comments on SO might imply otherwise but the code doesn't actually do.. it doesn't work. To answer some of the criticisms in the comments above Seriously though who though that shipping an implementation..
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 2.5 and sequences of white space characters including comments . SNIP Preprocessing directives are executed macro invocations..
What is the difference between a definition and a declaration? http://stackoverflow.com/questions/1410563/what-is-the-difference-between-a-definition-and-a-declaration vs. a class definition in C keeps coming up in answers and comments to other questions I'll paste a quote from the C standard here...
Programmatically find the number of cores on a machine http://stackoverflow.com/questions/150355/programmatically-find-the-number-of-cores-on-a-machine Mac OS X for all OS releases 10.4 i.e. Tiger onwards per comments numCPU sysconf _SC_NPROCESSORS_ONLN FreeBSD MacOS X NetBSD OpenBSD..
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 problems are obvious. Anyway based on your question and comments I don't think even these extra answers will satisfy you. Here..
http://stackoverflow.com/questions/1610030/why-can-you-return-from-a-non-void-function-without-returning-a-value-without-pr returning value to be valid An example as requested in the comments #include stdio.h int stringSize int main char cstring 5 printf..
strange output in comparison of float with float literal http://stackoverflow.com/questions/1839422/strange-output-in-comparison-of-float-with-float-literal as a float if f 0.7f But as Michael suggested in the comments below you should never test for exact equality of floating point..
Read whole ASCII file into C++ std::string http://stackoverflow.com/questions/2602013/read-whole-ascii-file-into-c-stdstring read wrong results. Following KeithB's point in the comments here's a way to do it that allocates all the memory up front..
C++ Timer function to provide time in nano seconds http://stackoverflow.com/questions/275004/c-timer-function-to-provide-time-in-nano-seconds
std::vector is so much slower than plain arrays? http://stackoverflow.com/questions/3664272/stdvector-is-so-much-slower-than-plain-arrays justify for the vector may be slower for a few nanosecs comments. And the code I used #include cstdlib #include vector #include..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c about deleting it yourself. Quick edit as some of the comments have pointed out this example isn't perfect for at least two..
Checking if a double (or float) is nan in C++ http://stackoverflow.com/questions/570669/checking-if-a-double-or-float-is-nan-in-c f f f will be true only if f is NaN. Note that as some comments below have pointed out not all compilers respect this when optimizing..
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 explained. I've added some Delphi code down below and some comments where appropriate. I chose Delphi since my other main programming..
Do the parentheses after the type name make a difference with new? http://stackoverflow.com/questions/620137/do-the-parentheses-after-the-type-name-make-a-difference-with-new your code's behavior. Much of the following is taken from comments made to an Old New Thing article . Sometimes the memory returned..
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability library like libicu. Updates Following many very nice comments I'd like to add a few observations If your application explicitly..
Why should `new` be used as little as possible? http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible std string when using std list std string and one of the comments says this Stop using new so much. I can't see any reason you..
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 normally expect. As @Stephen Cannon points out in the comments there is very likely possibility that this alignment causes..
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 input. This has been educational. Thanks to all for your comments and suggestions. Edit 6 As suggested by J.F. Sebastian in the.. suggestions. Edit 6 As suggested by J.F. Sebastian in the comments below the GNU wc utility uses plain C read within the safe read.c..
Extend the life of threads with synchronization (C++11) http://stackoverflow.com/questions/15252292/extend-the-life-of-threads-with-synchronization-c11 on it. Below is a simple program that follows this design. Comments should be sufficient to explain what it does #include thread..
Performance profiling on Linux http://stackoverflow.com/questions/1875167/performance-profiling-on-linux for which pstack is useful. Here's some more information Comments on gprof . How stackshots work. A blow by blow example. A very..
http://stackoverflow.com/questions/3046747/selective-iterator current insert after line.insert index index length Comments are welcome as always c algorithm stl iterator find share..
A doxygen eclipse plugIn with automatic code completion? http://stackoverflow.com/questions/3537542/a-doxygen-eclipse-plugin-with-automatic-code-completion preferences you can do c c Code Style Code Templates Comments Automatically add comments for new methods and classes You can..
http://stackoverflow.com/questions/579887/how-expensive-is-rtti works on lots of architectures including i686 x86_64. Comments in GCC's internal source and STL code refer to Itanium as the..
Does MSVC10 Visual Studio 2010 support C++ range based loops http://stackoverflow.com/questions/6898859/does-msvc10-visual-studio-2010-support-c-range-based-loops altered too late in Visual Studio 2010's release cycle. Comments on the Visual Studio Team's blog http blogs.msdn.com b vcblog..
Cross-platform way to get line number of an INI file where given option was found http://stackoverflow.com/questions/8358975/cross-platform-way-to-get-line-number-of-an-ini-file-where-given-option-was-foun mark the individual text nodes. See test output for a demo Comments # ... style have been implemented Whitespace is 'tolerated'..
What data structure, exactly, are deques in C++? http://stackoverflow.com/questions/8627373/what-data-structure-exactly-are-deques-in-c I think I have an implementation that fulfills both below. Comments We start with an implementation someone else suggested we allocate..
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