大约有 35,100 项符合查询结果(耗时:0.0429秒) [XML]

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How to import data from mongodb to pandas?

...f _connect_mongo(host, port, username, password, db): """ A util for making a connection to mongo """ if username and password: mongo_uri = 'mongodb://%s:%s@%s:%s/%s' % (username, password, host, port, db) conn = MongoClient(mongo_uri) else: conn = MongoClient(ho...
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Convert a positive number to negative in C#

You can convert a negative number to positive like this: 22 Answers 22 ...
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What is a Y-combinator? [closed]

...e concept from the “functional” side of things. Most programmers don't know much at all about combinators, if they've even heard about them. ...
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?

... remap is an option that makes mappings work recursively. By default it is on and I'd recommend you leave it that way. The rest are mapping commands, described below: :map and :noremap are recursive and non-recursive versions of the various mapping co...
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Bash script plugin for Eclipse? [closed]

... syntax highlighting. I've googled about but did not see anything that looked like "the" bash plug-in. 11 Answers ...
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How do I fix “for loop initial declaration used outside C99 mode” GCC error?

I'm trying to solve the 3n+1 problem and I have a for loop that looks like this: 11 Answers ...
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join list of lists in python [duplicate]

... CTTCTT 14.2k55 gold badges3636 silver badges3636 bronze badges ...
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What do two question marks together mean in C#?

... It's the null coalescing operator, and quite like the ternary (immediate-if) operator. See also ?? Operator - MSDN. FormsAuth = formsAuth ?? new FormsAuthenticationWrapper(); expands to: FormsAuth = formsAuth != null ? formsAuth : new FormsAuthenticationWrapper(); w...
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How to find the last day of the month from date?

... SilentGhost 246k5454 gold badges286286 silver badges278278 bronze badges answered Nov 6 '09 at 10:32 Dominic RodgerD...
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Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int

I know that PHP is compiled to byte code before it is run on the server, and then that byte code can be cached so that the whole script doesn't have to be re-interpreted with every web access. ...