Recent questions tagged C++

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Is cpu clock time returned by have to be exactly same among runs?

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259 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Is it legal to use placement new on initialised memory?

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164 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Can I initialize a union in a mem-initializer?

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566 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Finding value in unordered_map

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190 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - <string.h> conflicting with my own String.h

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230 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - A failure to instantiate function templates due to universal (forward) reference to a templated type

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188 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Calling a non-exported function in a DLL

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380 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - What blocks implementation of std::to_chars and std::from_chars

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321 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Does one need to call srand() C function per thread or per process to seed the randomizer?

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300 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - error: switch quantity not an integer

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466 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Undefined reference, using FFMpeg-library (AvCodec) on Ubuntu, 64-bits system

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359 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Calling virtual function of derived class from base class constructor?

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555 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Sequencing of function parameter destruction

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210 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Why is C++0x's `noexcept` checked dynamically?

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304 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Is assert(false) ignored in release mode?

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338 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Why ={} initialization doesn't work for tuple?

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158 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - GCC: sorry, unimplemented: 64-bit mode not compiled in

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408 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - C++11 Smart Pointer Policies

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253 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - __int64 on a 32-Bit machine?

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339 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Why is non-const std::array::operator[] not constexpr?

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452 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Optional Template parameter

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176 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Why does division by 3 require a rightshift (and other oddities) on x86?

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136 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Add the installation prefix of "Qt5Widgets" to CMAKE_PREFIX_PATH

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364 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - What is the order of destruction of function arguments?

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271 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Get the Nth type of variadic template templates?

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410 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Is unique_ptr thread safe?

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360 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - calling a global function with a class method with the same declaration

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182 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - When should I use [[maybe_unused]]?

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365 views 1 answer

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