大约有 47,000 项符合查询结果(耗时:0.0715秒) [XML]

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Create request with POST, which response codes 200 or 201 and content

...code indicates that the request has been fulfilled and has resulted in one or more new resources being created. The primary resource created by the request is identified by either a Location header field in the response or, if no Location field is received, by the effective request URI. This mean...
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Best practices for circular shift (rotate) operations in C++

Left and right shift operators (>) are already available in C++. However, I couldn't find out how I could perform circular shift or rotate operations. ...
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How is the AND/OR operator represented as in Regular Expressions?

I'm currently programming a vocabulary algorithm that checks if a user has typed in the word correctly. I have the following situation: The correct solution for the word would be "part1, part2". The user should be able to enter either "part1" (answer 1), "part2" (answer 2) or "part1, part2" (answer ...
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How to get the first element of the List or Set? [duplicate]

I'd like to know if I can get the first element of a list or set. Which method to use? 9 Answers ...
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Accessing class variables from a list comprehension in the class definition

...les from a list comprehension within the class definition? The following works in Python 2 but fails in Python 3: 5 Answer...
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How to convert a std::string to const char* or char*?

How can I convert an std::string to a char* or a const char* ? 8 Answers 8 ...
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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]

I've seen Bash scripts test for a non-zero length string in two different ways. Most scripts use the -n option: 6 Answers...
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How does “do something OR DIE()” work in PHP?

I'm writing a php app to access a MySQL database, and on a tutorial, it says something of the form 4 Answers ...
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Why is the order in dictionaries and sets arbitrary?

I don't understand how looping over a dictionary or set in python is done by 'arbitrary' order. 6 Answers ...
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Why does typeof NaN return 'number'?

...avascript but common computer science principle. From http://en.wikipedia.org/wiki/NaN: There are three kinds of operation which return NaN: Operations with a NaN as at least one operand Indeterminate forms The divisions 0/0, ∞/∞, ∞/−∞, −∞/∞, and −∞/−...