Recent questions tagged C++

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - noexcept, stack unwinding and performance

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237 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Why vector access operators are not specified as noexcept?

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198 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Why can't I static_cast between char * and unsigned char *?

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267 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - lambdas require capturing 'this' to call static member function?

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206 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Why can't we declare a namespace within a class?

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121 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - What is difference between const and non const key?

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105 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Get Pixel color fastest way?

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486 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - zero initialization and static initialization of local scope static variable

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143 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - converting cv::Mat for tesseract

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400 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - const pointer assign to a pointer

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299 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - how to pan images in QGraphicsView

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207 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Do I really have to worry about alignment when using placement new operator?

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376 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - C++11 scope exit guard, a good idea?

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524 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Opening a window that has no title bar with Win32

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321 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Is std::string thead-safe with gcc 4.3?

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75 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - What is the size of a pointer? What exactly does it depend on?

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121 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - How to define a move constructor?

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111 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - How do you get the icon, MIME type, and application associated with a file in the Linux Desktop?

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237 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - aligned_storage and strict aliasing

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116 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Difference between global non-throwing ::operator new and std::malloc

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136 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Accessing elements of a cv::Mat with at<float>(i, j). Is it (x,y) or (row,col)?

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278 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - static_assert on initializer_list::size()

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324 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - How to determine the correct size of a QTableWidget?

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181 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - sizeof taking two arguments

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143 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - GLIBCXX versions

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129 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Compile program for 32bit on 64bit Linux OS causes fatal error

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393 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - std::make_tuple doesn't make references

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148 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - Will main() catch exceptions thrown from threads?

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319 views 1 answer

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