大约有 43,000 项符合查询结果(耗时:0.0643秒) [XML]

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How bad is shadowing names defined in outer scopes?

I just switched to Pycharm and I am very happy about all the warnings and hints it provides me to improve my code. Except for this one which I don't understand: ...
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Schema for a multilanguage database

I'm developing a multilanguage software. As far as the application code goes, localizability is not an issue. We can use language specific resources and have all kinds of tools that work well with them. ...
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How to iterate a loop with index and element in Swift

Is there a function that I can use to iterate over an array and have both index and element, like Python's enumerate ? 15 ...
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How to document class attributes in Python? [closed]

I'm writing a lightweight class whose attributes are intended to be publicly accessible, and only sometimes overridden in specific instantiations. There's no provision in the Python language for creating docstrings for class attributes, or any sort of attributes, for that matter. What is the expec...
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n-grams in python, four, five, six grams?

I'm looking for a way to split a text into n-grams. Normally I would do something like: 15 Answers ...
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How to delete multiple values from a vector?

... The %in% operator tells you which elements are among the numers to remove: > a <- sample (1 : 10) > remove <- c (2, 3, 5) > a [1] 10 5 2 7 1 6 3 4 8 9 > a %in% remove [1] FALSE TRUE TRUE FALSE FALSE...
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(this == null) in C#!

Due to a bug that was fixed in C# 4, the following program prints true . (Try it in LINQPad) 6 Answers ...
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What are the differences between “generic” types in C++ and Java?

Java has generics and C++ provides a very strong programming model with template s. So then, what is the difference between C++ and Java generics? ...
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Iterating each character in a string using Python

In C++, I can iterate over an std::string like this: 8 Answers 8 ...
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pyplot scatter plot marker size

In the pyplot document for scatter plot: 6 Answers 6 ...