大约有 47,000 项符合查询结果(耗时:0.0595秒) [XML]

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Shortest distance between a point and a line segment

I need a basic function to find the shortest distance between a point and a line segment. Feel free to write the solution in any language you want; I can translate it into what I'm using (Javascript). ...
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Mapping two integers to one, in a unique and deterministic way

Imagine two positive integers A and B. I want to combine these two into a single integer C. 18 Answers ...
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How can I check if a string represents an int, without using try/except?

Is there any way to tell whether a string represents an integer (e.g., '3' , '-17' but not '3.14' or 'asfasfas' ) Without using a try/except mechanism? ...
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Why `null >= 0 && null

I had to write a routine that increments the value of a variable by 1 if its type is number and assigns 0 to the variable if not, where the variable is initially null or undefined . ...
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Pandas groupby: How to get a union of strings

I have a dataframe like this: 8 Answers 8 ...
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How to drop rows of Pandas DataFrame whose value in a certain column is NaN

I have this DataFrame and want only the records whose EPS column is not NaN : 12 Answers ...
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Simplest way to profile a PHP script

What's the easiest way to profile a PHP script? 13 Answers 13 ...
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Pandas index column title or name

How do I get the index column name in python pandas? Here's an example dataframe: 9 Answers ...
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Should I return EXIT_SUCCESS or 0 from main()?

It's a simple question, but I keep seeing conflicting answers: should the main routine of a C++ program return 0 or EXIT_SUCCESS ? ...
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Why is it slower to iterate over a small string than a small list?

I was playing around with timeit and noticed that doing a simple list comprehension over a small string took longer than doing the same operation on a list of small single character strings. Any explanation? It's almost 1.35 times as much time. ...