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c++ Programming Glossary: answerWhat 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 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
http://stackoverflow.com/questions/236129/how-to-split-a-string-in-c please give precedence to elegance over efficiency in your answer. The best solution I have right now is #include iostream #include..
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 the probable weighting of the coin The respected way to answer is to say that it's a Beta distribution with average value number..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points where the FAQ idea started out in the first place so your answer is very likely to get read by those who came up with the idea... share improve this question Disclaimer Okay. This answer is a bit long. So have patience while reading it. If you already..
http://stackoverflow.com/questions/4421706/operator-overloading rules and idioms for operator overloading in C Note The answers were given in a specific order but since many users sort answers.. were given in a specific order but since many users sort answers according to votes rather than the time they were given here's.. than the time they were given here's an index of the answers in the order in which they make most sense The General Syntax..
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
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong condition considered wrong I just found a comment in this answer saying that using iostream eof in a loop condition is almost..
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 name share improve this question Introduction This answer tries to focus on the basic aspects in current C 03 of dependent.. keywords. Other aspects should be handled in another answer or another FAQ entry. In order to parse a C program you need.. get back to our initial problem how can we parse t x f The answer is In this case we decide how the compiler should parse this...
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope control over keys for example. UPDATE Holy goodness this answer is getting a lot of attention. I'm not sure why I considered..
Performance penalty for working with interfaces in C++? http://stackoverflow.com/questions/113830/performance-penalty-for-working-with-interfaces-in-c virtual functions share improve this question Short Answer No. Long Answer It is not the base class or the number of ancestors.. share improve this question Short Answer No. Long Answer It is not the base class or the number of ancestors a class..
Understanding the difference between f() and f(void) in C and C++ once and for all [duplicate] http://stackoverflow.com/questions/13319492/understanding-the-difference-between-f-and-fvoid-in-c-and-c-once-and-for-a from the application of the default argument promotions. Answer 1 What happens at compile time in cases 1 and 2 when we call.. on in all your projects except for files which use Gtk 2 . Answer 2 If I declare f with arguments but define it without them will..
Does initialization entail lvalue-to-rvalue conversion? Is `int x = x;` UB? http://stackoverflow.com/questions/14935722/does-initialization-entail-lvalue-to-rvalue-conversion-is-int-x-x-ub assuming the conjecture is correct To sum it up A1 Answer to question 1 A2 Answer to question 2 A2 Yes A2 No A1 Yes.. is correct To sum it up A1 Answer to question 1 A2 Answer to question 2 A2 Yes A2 No A1 Yes UB No UB A1 No ill formed..
Do I need to protect read access to an STL container in a multithreading environment? http://stackoverflow.com/questions/187583/do-i-need-to-protect-read-access-to-an-stl-container-in-a-multithreading-environ invalid value i.e. one totally unrelated to the good one Answer In general the reader threads must be protected to avoid race..
C++ templates Turing-complete? http://stackoverflow.com/questions/189172/c-templates-turing-complete part of the question Is this fact useful in practice Short Answer Sort of. Long Answer Yes but only if you are a template daemon... Is this fact useful in practice Short Answer Sort of. Long Answer Yes but only if you are a template daemon. To turn out good..
C++0x memory model and speculative loads/stores http://stackoverflow.com/questions/2001913/c0x-memory-model-and-speculative-loads-stores for the above issue would explain that too. EDIT The Answer The reason why speculative stores are a problem is that in the..
Read whole ASCII file into C++ std::string http://stackoverflow.com/questions/2602013/read-whole-ascii-file-into-c-stdstring Append line to buffer and go on t.close Any ideas Current Answer Updated on Dec 5 2012 Tyler McHenry pointed out that his initial..
How are objects stored in memory in C++? http://stackoverflow.com/questions/405112/how-are-objects-stored-in-memory-in-c all the places you've used it which may be hard to find. Answer to your edit If that's your entire class definition and you're..
Interview question - Search in sorted array X for index i such that X[i] = i http://stackoverflow.com/questions/4172580/interview-question-search-in-sorted-array-x-for-index-i-such-that-xi-i gave me an example Array X 3 1 0 3 5 7 index 0 1 2 3 4 5 Answer is 3 as X 3 3. The best I could think was a linear search. After..
When will C++0x be finished? [closed] http://stackoverflow.com/questions/5436139/when-will-c0x-be-finished and I didn't know you couldn't answer your own question. Answer March 25 2011. I'm not kidding it's official. Well at least..
How can I use Standard Library (STL) classes in my dll interface or ABI? http://stackoverflow.com/questions/5661738/how-can-i-use-standard-library-stl-classes-in-my-dll-interface-or-abi compiler. How can I use stl classes in my dll interface Answer You can't 1 . Reason The STL is a code library not a binary..
how to output to console in C++/Windows http://stackoverflow.com/questions/587767/how-to-output-to-console-in-c-windows
order of evaluation of function parameters http://stackoverflow.com/questions/6725706/order-of-evaluation-of-function-parameters result of the operation below x 5 printf d d d n x x 2 x 2 Answer 5 20 1 I thought order is undefined yet I found above as interview..
Are get and set functions popular with C++ programmers? http://stackoverflow.com/questions/737409/are-get-and-set-functions-popular-with-c-programmers effort but I mean speaking in terms of good practice is it Answer Why did I choose the answer with less votes I was actually very..
Singleton: How should it be used http://stackoverflow.com/questions/86582/singleton-how-should-it-be-used this question All of you are wrong. Read the question. Answer Use a Singleton if If you need to have one and only one object..
“Undefined reference to” template class constructor http://stackoverflow.com/questions/8752837/undefined-reference-to-template-class-constructor unit' such as main.cpp uses the template class. Answer 1 Explicitly instantiate the template and its member definitions.. of all the functions i.e. at the end of the file . Answer 2 Copy the code into the relevant header file The common answer..
How to write a variadic method which replaces chained method calls? http://stackoverflow.com/questions/14934749/how-to-write-a-variadic-method-which-replaces-chained-method-calls the variadic arguments. Maybe use decltype somehow WORKING ANSWER Ecatmur's answer below outlined a good approach. I had to play..
http://stackoverflow.com/questions/15729765/why-does-the-output-of-applied-on-a-negative-number-is-filled-with-ones-on-th all this three bits are because of sign but not data . ANSWER In your output in first Eight lines ~t is 0 t is FFFFFFFF t..
Does the semantics of `std::memory_order_acquire` requires processor instructions on x86/x86_64? http://stackoverflow.com/questions/18576986/does-the-semantics-of-stdmemory-order-acquire-requires-processor-instruction a simple load instruction mov as said Anthony Williams ANSWER It is the same as this bug report http connect.microsoft.com..
make include directive and dependency generation with -MM http://stackoverflow.com/questions/2801532/make-include-directive-and-dependency-generation-with-mm will make diagnose the missing makefile as a fatal error. ANSWER This is a modification of the answer I accepted. The one thing..
Substraction or decrement random access iterator pointing to begin http://stackoverflow.com/questions/8533875/substraction-or-decrement-random-access-iterator-pointing-to-begin memory of the vector is continouse. Am I right ULTIMATE ANSWER Even if it works now and will be working in the future it is..
std::lower_bound slower for std::vector than std::map::find http://stackoverflow.com/questions/8784732/stdlower-bound-slower-for-stdvector-than-stdmapfind 0.25 but my implementation is still up to 26 slower. POST ANSWER EDIT I made a SSCCE at http ideone.com 41iKt that removes all..
Read and Write on serial port in Ubuntu with C/C++ and LibSerial http://stackoverflow.com/questions/9046649/read-and-write-on-serial-port-in-ubuntu-with-c-c-and-libserial serial_port.get next_byte HERE I RECEIVE THE FIRST ANSWER std cerr next_byte std cerr std endl return EXIT_SUCCESS c..
What is the fastest Dijkstra implementation you know (in C++)? http://stackoverflow.com/questions/938338/what-is-the-fastest-dijkstra-implementation-you-know-in-c much worse with 100.000 elements that with a hand full of. ANSWER After a lot of googling i found it myself. The answer is clearly..
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