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How do I get the type of a variable?
In C++, how does one find the type of a variable?
10 Answers
10
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Conveniently Declaring Compile-Time Strings in C++
Being able to create and manipulate strings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
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Is inline assembly language slower than native C++ code?
I tried to compare the performance of inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code:
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GestureDetect 扩展：手势检测扩展，识别滑动、点击和长按手势 · App Inventor 2 中文网
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What techniques can be used to speed up C++ compilation times?
What techniques can be used to speed up C++ compilation times?
27 Answers
27
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Benchmarking (python vs. c++ using BLAS) and (numpy)
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I've run your benchmark. There is no difference between C++ and numpy on my machine:
Do you think my approach is fair, or are there some unnecessary overheads I can avoid?
It seems fair due to there is no difference in results.
Would you expect that the result would sh...
App Inventor 2 颜色代码块 · App Inventor 2 中文网
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ComponentGroup 组件组扩展：监控内容变化和批量启用禁用组件 · App Inventor 2 中文网
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C++ “virtual” keyword for functions in derived classes. Is it necessary?
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This is true, but the Mozilla C++ Portability Guide recommends always using virtual because "some compilers" issue warnings if you don't. Too bad they don't mention any examples of such compilers.
– Sergei Tachenov
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App Inventor 2 Enhance 拓展：界面增强扩展（颜色渐变、边距、圆角、透明...
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