大约有 47,000 项符合查询结果(耗时:0.0701秒) [XML]

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multiprocessing.Pool: When to use apply, apply_async or map?

...ot seen clear examples with use-cases for Pool.apply , Pool.apply_async and Pool.map . I am mainly using Pool.map ; what are the advantages of others? ...
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In a Git repository, how to properly rename a directory?

... to copy the directory to be renamed to a new directory with desired name, and delete the old directory , and git add , git commit and push everything. But is this the best way? ...
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JavaScript open in a new window, not tab

...,location=0,menubar=0'. You can verify it by omitting this third parameter and leaving '_blank' there as the 2nd parameter. – user1451111 Aug 25 '17 at 4:49 1 ...
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How do you manage databases in development, test, and production?

...a hard time trying to find good examples of how to manage database schemas and data between development, test, and production servers. ...
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?

Is there any difference between :key => "value" (hashrocket) and key: "value" (Ruby 1.9) notations? 5 Answers ...
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Configure WAMP server to send email

...auth_password=your_password The above will work against a Gmail account. And then configure php.ini: sendmail_path = "C:\wamp\sendmail\sendmail.exe -t" Now, restart Apache, and that is basically all you need to do. sha...
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How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples g

...ring for string, numeric ordering for integers). When you order a numeric and a non-numeric type, the numeric type comes first. >>> 5 < 'foo' True >>> 5 < (1, 2) True >>> 5 < {} True >>> 5 < [1, 2] True When you order two incompatible types where n...
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How to place and center text in an SVG rectangle

... An easy solution to center text horizontally and vertically in SVG: Set the position of the text to the absolute center of the element in which you want to center it: If it's the parent, you could just do x="50%" y ="50%". If it's another element, x would be the x o...
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Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind

...do this I'm using jQuery's click() function. I have used $().trigger() and window.location also, and I can make it work as intended with all three. ...
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Pass a data.frame column name to a function

I'm trying to write a function to accept a data.frame ( x ) and a column from it. The function performs some calculations on x and later returns another data.frame. I'm stuck on the best-practices method to pass the column name to the function. ...