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c++ Programming Glossary: byWhat 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 using just an underscore as in _foo . Is this allowed by the C standard c standards c faq share improve this question.. underscore _ _ or begins with an underscore followed by an uppercase letter 2.11 is reserved to the implementation for.. in a context in which it is reserved other than as allowed by 7.1.4 or defines a reserved identifier as a macro name the behavior..
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 recursion. The reason is that the time that would be saved by removal of an instruction is approximated by the fraction of.. be saved by removal of an instruction is approximated by the fraction of samples containing it regardless of the number..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three 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 initializer.. scenarios. The initialization person b a is performed by the copy constructor . Its job is to construct a fresh object.. of an existing object. The assignment b a is performed by the copy assignment operator . Its job is generally a little..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points the first place so your answer is very likely to get read by those who came up with the idea. c c undefined behavior c faq.. points. An alternation definition of seq points given by the comp.lang.c author Steve Summit Sequence point is a point.. object shall have its stored value modified at most once by the evaluation of an expression. What does it mean Informally..
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 at the moment is to implement them in header files by using inline functions. Why is this c templates c faq share..
How do you make a HTTP request with C++? http://stackoverflow.com/questions/1011339/how-do-you-make-a-http-request-with-c http www.wikipedia.com Send request and get a result. By default the result goes to standard output. Here I use a shortcut..
Start thread with member function http://stackoverflow.com/questions/10673585/start-thread-with-member-function created by std ref . std thread foo std ref arg1 By doing this you are promising that you will take care of guaranteeing..
Why use iterators instead of array indices? http://stackoverflow.com/questions/131241/why-use-iterators-instead-of-array-indices you may elect to use std for_each std transform and so on. By using a standard algorithm rather than an explicit loop you're..
What open source C++ static analysis tools are available? [closed] http://stackoverflow.com/questions/141498/what-open-source-c-static-analysis-tools-are-available that will run on multiple platforms Windows and Unix . By using an open source tool it could be modified to fit certain..
http://stackoverflow.com/questions/1761626/weighted-random-numbers if this helps or hinders then there is an optimisation By storing the cumulative weight sum in each item you can use a..
Reading from text file until EOF repeats last line http://stackoverflow.com/questions/21647/reading-from-text-file-until-eof-repeats-last-line while true int x iFile x if iFile.eof break cerr x endl By the way there is another bug in your code. Did you ever try..
Comparison of c++ unit test frameworks [closed] http://stackoverflow.com/questions/242926/comparison-of-c-unit-test-frameworks the articles Exploring the C Unit Testing Framework Jungle By Noel Llopis. And the more recent C Test Unit Frameworks I have..
Optimizing away a “while(1);” in C++0x http://stackoverflow.com/questions/3592557/optimizing-away-a-while1-in-c0x Is that correct and is the compiler allowed to print Bye for the above program There is an even more insightful thread.. guy summarizes the proposed change in C 0x and C201X By writing a loop the programmer is asserting either that the loop..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c need and you know that you don't ever want to deallocate. By the way embedded environments may be thought of as having only..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three if they are used. ... end note n3126.pdf section 12 §1 By default copying an object means copying its members The implicitly..
Thou shalt not inherit from std::vector http://stackoverflow.com/questions/4353203/thou-shalt-not-inherit-from-stdvector is there any other realistic peril in using MyVector By saying realistic I discard things like imagine a function which..
Undefined Behavior and Sequence Points Reloaded http://stackoverflow.com/questions/4638364/undefined-behavior-and-sequence-points-reloaded involved in the expression. Am I correct even partly By the way how about this expression Consider two cases 1. if a..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c p i yields a pointer to the i th element of the array. By dereferencing that pointer afterwards one can access individual..
undefined reference to `WinMain@16' http://stackoverflow.com/questions/5259714/undefined-reference-to-winmain16 s linker is non standard by default for GUI subsystem . By default when the subsystem is GUI then Microsoft's linker uses..
How do I pass a unique_ptr argument to a constructor or a function? http://stackoverflow.com/questions/8114276/how-do-i-pass-a-unique-ptr-argument-to-a-constructor-or-a-function as an argument as well as their associated meaning. By Value Base std unique_ptr Base n next std move n In order for.. the value from nextBase into the function argument n . By non const l value reference Base std unique_ptr Base n next.. . Because of that I wouldn't suggest this as an interface. By const l value reference Base std unique_ptr Base const n I don't..
Difference between private, public, and protected inheritance in C++ http://stackoverflow.com/questions/860339/difference-between-private-public-and-protected-inheritance-in-c No one but Base is aware of privateMember. By is aware of I mean acknowledge the existence of and thus be..
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 readline getline share improve this question By default cin is synchronized with stdio which causes it to avoid..
Get the field on which the explorer window is sorted http://stackoverflow.com/questions/14401016/get-the-field-on-which-the-explorer-window-is-sorted Explorer window are sorted. Kind of having the ORDER BY clause of the window. Example Name ascending or Date Modified..
Boost multi_index composite keys using MEM_FUN http://stackoverflow.com/questions/3481089/boost-multi-index-composite-keys-using-mem-fun names.insert Name nora iris mitchell cout SORTED BY FIRST NAME endl for Name_set_by_first iterator itf names.get.. .begin itf names.get first .end itf cout itf cout SORTED BY MIDDLE NAME endl for Name_set_by_middle iterator itm names.get.. .begin itm names.get middle .end itm cout itm cout SORTED BY LAST NAME endl for Name_set_by_last iterator itl names.get last..
Is 'volatile' needed in this multi-threaded C++ code? http://stackoverflow.com/questions/3612505/is-volatile-needed-in-this-multi-threaded-c-code I've stripped away irrelevant parts CODE EXECUTED BY THE GUI THREAD class ProgressBarDialog protected Dialog This.. break return TRUE return FALSE ... CODE EXECUTED BY THE WORKER THREAD class CsvFileHandler This points to the variable..
Input line by line from an input file and tokenize using strtok() and the output into an output file http://stackoverflow.com/questions/4328685/input-line-by-line-from-an-input-file-and-tokenize-using-strtok-and-the-output file What I am trying to do is to input a file LINE BY LINE and tokenize and output into an output file.What I have..
In which scenario do I use a particular STL Container? http://stackoverflow.com/questions/471432/in-which-scenario-do-i-use-a-particular-stl-container
Move semantics & returning const values http://stackoverflow.com/questions/7138780/move-semantics-returning-const-values c_str std string const BUT I THINK THE TEMPORARY RETURNED BY my_join v IS NO LONGER ALIVE BY THE TIME WE ARE INSIDE std.. THE TEMPORARY RETURNED BY my_join v IS NO LONGER ALIVE BY THE TIME WE ARE INSIDE std puts AS WE ARE TAKING THE c_str OF..
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