大约有 11,400 项符合查询结果(耗时:0.0363秒) [XML]

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Argparse: Way to include default values in '--help'?

...rmatter) To quote the documentation: The other formatter class available, ArgumentDefaultsHelpFormatter, will add information about the default value of each of the arguments. Note that this only applies to arguments that have help text defined; with no help value for an argument, there is n...
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JavaScript by reference vs. by value [duplicate]

...me good comprehensive reading material on when JavaScript passes something by value and when by reference and when modifying a passed item affects the value outside a function and when not. I'm also interested in when assigning to another variable is by reference vs. by value and whether that follo...
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Check if something is (not) in a list in Python

...t of tuples in Python , and I have a conditional where I want to take the branch ONLY if the tuple is not in the list (if it is in the list, then I don't want to take the if branch) ...
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How to determine the encoding of text?

I received some text that is encoded, but I don't know what charset was used. Is there a way to determine the encoding of a text file using Python? How can I detect the encoding/codepage of a text file deals with C#. ...
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Get month name from number

How can I get the month name from the month number? 12 Answers 12 ...
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Ruby - elegantly convert variable to an array if not an array already

Given an array, a single element, or nil, obtain an array - the latter two being a single element array and an empty array respectively. ...
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How to use hex color values

... Swift, instead of the few standard ones that UIColor allows you to use, but I have no idea how to do it. 38 Answers ...
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SQLite table constraint - unique on multiple columns

I can find syntax "charts" on this on the SQLite website, but no examples and my code is crashing. I have other tables with unique constraints on a single column, but I want to add a constraint to the table on two columns. This is what I have that is causing an SQLiteException with the message "syn...
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python pandas dataframe to dictionary

...ame, and intend to convert it to python dictionary - the first column will be the key and the second will be the value. Thank you in advance. ...
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Simple explanation of MapReduce?

Related to my CouchDB question. 8 Answers 8 ...