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收录了59512篇文章 ·61549个问题 · 0人关注
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Test group existence in hdf5/c++

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: IamopeninganexistingHDF5fileforappendingdata;Iwanttoassurethatgroupcalled/Aexistsforsubsequentaccess......

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Is it possible to legally overload a string litera

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: IsitpossibleinC++11tooverloadconstchar*'sandstringliterals(constchar[])? Theideaistoavoidhavingtocall......

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ternary operator doesn't work with lambda func

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: Iamassigningtoastd::function<double()>alambdaexpression.Thissnippetworks if(fn_type==exponential) k.*vari......

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What does Clang's 'type_visibility' at

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: Itisusedinlibc++onmanytemplatetypessuchastuple_element,tuple,etc. AsfarasIcantellthereisnopublicd......

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How to deal with arrays (declared on the stack) in

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: Ihaveaclasstoparseamatrixthatkeepstheresultinanarraymember: classParser { ... doublematrix_[4][4]; ......

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Compact a hex number

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: Isthereaclever(ie:branchless)wayto"compact"ahexnumber.Basicallymoveallthe0salltooneside? eg: 0x103......

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Can you turn off (specific) compiler warnings 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: I'vegotathird-partylibrarythatgeneratesatonofwarnings,evenunder/W3.Isthereawayformetotellthecompi......

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Checking the sizeof an integer type in the preproc

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: HowcanIcheckthesizeofanunsignedinthepreprocessorunderg++?sizeofisoutofthequestionsinceitisnotdefi......

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Multiple inheritance pointer comparison

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: IhaveaclassDerivedthatinheritsdirectlyfromtwobaseclasses,Base1andBase2.I'dliketoknowifit'ssafe,ing......

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Linker Trouble: How to determine where a “/DEFAULT

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: Iamtryingtofindagoodwaytodeterminewhatmoduleatlinktimeiscausingacertainlibrarytogetprocessedasa"......

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Standard reference for int foo = foo

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: intfoo=foo;compiles. WhichpartoftheC++standardallowsthis? 回答1: 3.3.1Pointofdeclaration......

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Prettier syntax for “pointer to last element”, std

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'mwonderingifthereisprettiersyntaxforthistogetanormalpointer(notaniterator)tothelastelementinaC++......

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Can dictionaries be used in c++

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: IhavebeenlookingupdictionariesinC#andtheyseemtobehighlyuseful,andwaswonderingifitispossibletouset......

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What is the C++ equivalent of an 'allocated ob

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'mwritingamemorymanagerformyVMinC++.Well,moreexactlytheVMinstructionswillbecompiledintoC++withane......

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unique_ptr compile error

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: IguessthisisembarrassingifItoldyouIcantgetthistocompile.wouldyoupleasehelpme: #include<memory> using......

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What does this C++ syntax mean and why does it wor

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: IwaslookingthroughthesourceofOpenDEandIcameacrosssomewierdsyntaxusageofthearrayindexingoperator'[]'......

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Why does this makefile execute a target on 'ma

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: Thisismycurrentmakefile. CXX=g++ CXXFLAGS=-Wall-O3 LDFLAGS= TARGET=testcpp SRCS=main.cppobject.c......

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Reading a windows *.dmp file

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: Iwaswonderifanyknowshowtoopenupawindows*.dmpfileafteraapplicationcrashwrittenC/C++. 回答1: UsingV......

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What happened when call std::map's operator[]

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: Ihavefollowingcode: #include<functional>//std::less #include<map> #include<iostream> usingnamespacestd; cla......

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Throwing an exception in C++ in a C callback, poss

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'musinglibjpegrightnowtosaveJPEGimages.Ifthereisanerror,libjpeg'sdefaultbehavioristocallexit(),whic......