大约有 40,000 项符合查询结果(耗时:0.0427秒) [XML]

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“static const” vs “#define” vs “enum”

...sion for static arrays at function scope; both (2) and (3) can. Under C99, all of these can be used for local arrays. Technically, using (1) would imply the use of a VLA (variable-length array), though the dimension referenced by 'var' would of course be fixed at size 5. (1) cannot be used in place...
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`if __name__ == '__main__'` equivalent in Ruby

... 132 From the Ruby I've seen out in the wild (granted, not a ton), this is not a standard Ruby desig...
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New Array from Index Range Swift

... Pedantic point, but this isn't really casting the Slice to an Array, but rather creating a new array from a slice. A cast would use the as operator: numbers as Array which would result in an error. – j b Jun 10 '14 at 9...
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Deep copy of a dict in python

... @BuvinJ The issue is that json.loads doesn't solve the problem for all use cases where python dict attributes are not JSON serializable. It may help those who are only dealing with simple data structures, from an API for example, but I don't think it's enough of a solution to fully answer th...
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Rename specific column(s) in pandas

I've got a dataframe called data . How would I rename the only one column header? For example gdp to log(gdp) ? 5 Answe...
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What are the rules about using an underscore in a C++ identifier?

...FC background, you'll probably use m_foo . I've also seen myFoo occasionally. 5 Answers ...
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Inherit docstrings in Python class inheritance

... John FeminellaJohn Feminella 272k3939 gold badges320320 silver badges337337 bronze badges ...
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What predefined macro can I use to detect clang?

... To get a list of all the predefined macros that the compiler uses, use this: clang -dM -E -x c /dev/null You can do the same for gcc. share | ...
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Progress indicator during pandas operations

...se you're interested in how this works (and how to modify it for your own callbacks), see the examples on github, the full documentation on pypi, or import the module and run help(tqdm). Other supported functions include map, applymap, aggregate, and transform. EDIT To directly answer the original ...
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How to link C++ program with Boost using CMake

... In CMake you could use find_package to find libraries you need. There usually is a FindBoost.cmake along with your CMake installation. As far as I remember, it will be installed to /usr/share/cmake/Modules/ along with other find-scripts for common libraries. You could just check the documentation...