What does it mean to have a block of c++ code with
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IhaverecentlyseenblocksofC++codewherethereisa"\"aftereachsemicolon.Itseemsveryoddtome.Perhapsitis......
Why is a forward declaration in a function declara
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: WhilereadingaboutthevisitorpatternIranintothissnippetofcode: virtualvoidvisit(classComposite*,Component......
Copy assign a map if element is not assignable
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: structconst_int{constintx=1;}; intmain(intargc,char**argv) { std::unordered_map<int,const_int>map0; ......
What does '_GLOBAL__sub_I_' mean in nm out
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: WhileIwastryingtoresolveaprobleminstaticlinking,Iencounteracoupleof_GLOBAL__sub_I_prefixesinfrontofs......
C++ program crashes with EXIT CODE: 9 (SIGKILL)
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: MyapplicationprogramcrasheswithEXITCODE:9(SIGKILL) Ineverrunanycommandsuchas'kill-9(pid)'or'pkill(pr......
C++1y/C++14: Assignment to object outside its life
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IsthefollowingC++14/C++1yprogramill-formedaccordingtothecurrentdraft? #include<cstddef> template<typenameT,......
how to debug “Invalid parameter passed to C runtim
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Background I'vegotaboutaterabyteoffileswithrawdata,witharelativelysmallsubsetoflabelleddata.I'vewritte......
Incomplete types in member function definitions
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: [dcl.fct.def]p2states: Thetypeofaparameterorthereturntypeforafunctiondefinitionshallnotbeanincompl......
SFINAE template specialization precedence
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: #include<iostream> #include<array> #include<vector> template<typenameT,typenameSFINAE=void> structtrait; templa......
Why would a compiler generate this assembly?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: WhilesteppingthroughsomeQtcodeIcameacrossthefollowing.ThefunctionQMainWindowLayout::invalidate()hasthefol......
How can I intentionally discard a [[nodiscard]] re
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: SayIhave [[nodiscard]]intfoo() { return0; } intmain() { foo(); } then error:ignoringreturnvalue......
Why include related header first?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: OnthequestionC/C++includefileorder/bestpractices,thebestanswerrecommendstoincludetherelatedheaderfirst. ......
Qt documentation and reentrancy
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: TheQtdocumentationstatesthisaboutthread-safetyandreentrancy: Note:Qtclassesareonlydocumentedasthread-s......
Forward declaration of inline functions
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihaveaheaderfilethatisgoingtocontainalargeamount(30+)ofinlinefunctions. Ratherthanhavingthereaders......
temporary object in range-based for
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Iknowthatingeneralthelifetimeofatemporaryinarange-basedforloopisextendedtothewholeloop(I'vereadC+......
gdb - list source of current function without typi
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: InGDB,thecommand: listfunction willlistallthesourceforthefunction. Isthereacommandthatwilllistallo......
No implicit conversion from std::string to std::st
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: MyquestionisregardingC++17:http://en.cppreference.com/w/cpp/string/basic_string_view/basic_string_view What'sthec......
static const in c++ class: undefined reference
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihaveaclassforlocaluseonly(i.e.,itscopeisonlythec++fileitisdefinedin) classA{ public: staticco......
Length of a C++ std::string in bytes
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I'mhavingsometroublefiguringouttheexactsemanticsofstd::string.length(). Thedocumentationexplicitlypointsout......
What is wrong with my usage of C++ standard librar
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I'mtryingtousetheC++standardlibrary'sfindalgorithmlikethis: template<classT> constunsignedintAdjacenc......