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收录了59512篇文章 ·61549个问题 · 0人关注
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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......

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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......

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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; ......

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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......

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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......

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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,......

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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......

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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......

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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......

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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......

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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......

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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. ......

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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......

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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......

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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+......

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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......

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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......

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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......

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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......

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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......