大约有 35,100 项符合查询结果（耗时：0.0414秒） [XML]
How to check for file existence [duplicate]
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Check out Pathname and in particular Pathname#exist?.
File and its FileTest module are perhaps simpler/more direct, but I find Pathname a nicer interface in general.
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How to check if a class inherits another class without instantiating it? [duplicate]
Suppose I have a class that looks like this:
2 Answers
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Checking whether a string starts with XXXX
I would like to know how to check whether a string starts with "hello" in Python.
4 Answers
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Should I use “camel case” or underscores in python? [duplicate]
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JMax
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answered Jan 18 '12 at 10:48
aayoubiaayoubi
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How can I add comments in MySQL?
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Peter Mortensen
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answered Feb 1 '12 at 15:40
Martti LaineMartt...
How to change a string into uppercase
...h Python. In my research, I got string.ascii_uppercase but it doesn't work.
6 Answers
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Remove duplicate entries using a Bash script [duplicate]
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You can sort then uniq:
$ sort -u input.txt
Or use awk:
$ awk '!a[$0]++' input.txt
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how to use #ifdef with an OR condition?
Sorry for asking very basic question. I would like to set OR condition in #ifdef directive.?
How to do that ?
I tried
2 Ans...
find first sequence item that matches a criterion [duplicate]
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eumiroeumiro
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How to transform array to comma separated words string? [duplicate]
My array looks like this:
4 Answers
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