大约有 10,169 项符合查询结果(耗时:0.0173秒) [XML]

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what is the difference between 'transform' and 'fit_transform' in sklearn

In the sklearn-python toolbox, there are two functions transform and fit_transform about sklearn.decomposition.RandomizedPCA . The description of two functions are as follows ...
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Best design for a changelog / auditing database table? [closed]

I need to create a database table to store different change log/auditing (when something was added, deleted, modified, etc). I don't need to store particularly detailed info, so I was thinking something along the lines of: ...
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what is faster: in_array or isset? [closed]

This question is merely for me as I always like to write optimized code that can run also on cheap slow servers (or servers with A LOT of traffic) ...
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How do I change the language of moment.js?

I am trying to change the language of the date which is being set by moment.js. The default one is English, but I want to set the German language. These is what I tried: ...
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Updating MySQL primary key

I have a table user_interactions with 4 columns: 3 Answers 3 ...
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VIM Replace word with contents of paste buffer?

I need to do a bunch of word replacements in a file and want to do it with a vi command, not an EX command such as :%s///g . I know that this is the typical way one replaces the word at the current cursor position: cw<text><esc> but is there a way to do this with the contents of the u...
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Copy/duplicate database without using mysqldump

Without local access to the server, is there any way to duplicate/clone a MySQL db (with content and without content) into another without using mysqldump ? ...
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How can I change the color of my prompt in zsh (different from normal text)?

To recognize better the start and the end of output on a commandline, I want to change the color of my prompt, so that it is visibly different from the programs output. As I use zsh, can anyone give me a hint? ...
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How do I convert a float number to a whole number in JavaScript?

I'd like to convert a float to a whole number in JavaScript. Actually, I'd like to know how to do BOTH of the standard conversions: by truncating and by rounding. And efficiently, not via converting to a string and parsing. ...
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TSQL - How to use GO inside of a BEGIN .. END block?

I am generating a script for automatically migrating changes from multiple development databases to staging/production. Basically, it takes a bunch of change-scripts, and merges them into a single script, wrapping each script in a IF whatever BEGIN ... END statement. ...