大约有 4,768 项符合查询结果（耗时：0.0303秒） [XML]
How to pretty print nested dictionaries?
How can I pretty print a dictionary with depth of ~4 in Python? I tried pretty printing with pprint() , but it did not work:
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What's the difference between std::move and std::forward
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std::move takes an object and allows you to treat it as a temporary (an rvalue). Although it isn't a semantic requirement, typically a function accepting a reference to an rvalue will invalidate it. When you see std::move, it indicates that the value of the obje...
What is the point of noreturn?
...ller. That doesn't mean void functions (which do return to the caller - they just don't return a value), but functions where the control flow will not return to the calling function after the function finishes (e.g. functions that exit the application, loop forever or throw exceptions as in your exa...
Split (explode) pandas dataframe string entry to separate rows
...arated values. I want to split each CSV field and create a new row per entry (assume that CSV are clean and need only be split on ','). For example, a should become b :
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What differences, if any, between C++03 and C++11 can be detected at run-time?
...n enumerator using :::
template<int> struct int_ { };
template<typename T> bool isCpp0xImpl(int_<T::X>*) { return true; }
template<typename T> bool isCpp0xImpl(...) { return false; }
enum A { X };
bool isCpp0x() {
return isCpp0xImpl<A>(0);
}
You can also abuse th...
Test for equality among all elements of a single vector
I'm trying to test whether all elements of a vector are equal to one another. The solutions I have come up with seem somewhat roundabout, both involving checking length() .
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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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Inline functions in C#?
How do you do "inline functions" in C#? I don't think I understand the concept. Are they like anonymous methods? Like lambda functions?
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How to make Visual Studio copy a DLL file to the output directory?
...oject that relies on an external DLL file. How can I make Visual Studio copy this DLL file automatically into the output directory (debug/release) when I build the project?
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Converting RGB to grayscale/intensity
When converting from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140.
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