大约有 32,294 项符合查询结果(耗时:0.0532秒) [XML]

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Convert floats to ints in Pandas?

... @alancalvitti what is your intention here to preserve the values or the dtype? If it's dtype then you need to create those columns as dtype object so it allows mixed, otherwise my advice would be to just use float and when doing comparison...
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Efficiently convert rows to columns in sql server

... I can't use a view for that transformation, what about using a TFV? that's why I'm looking for an efficient solution. – tbag Apr 1 '13 at 14:37 4 ...
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Best way to require all files from a directory in ruby?

What's the best way to require all files from a directory in ruby ? 11 Answers 11 ...
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JQuery - $ is not defined

...oaded, and as such, before jQuery is fully loaded. First of all, ensure, what script is call properly, it should looks like <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script> and shouldn't have attributes async or defer. T...
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How to check if click event is already bound - JQuery

... 'click' of undefined or null reference" and obviously that also tells you what you need to know. – Robb Vandaveer Jan 10 '14 at 3:19 ...
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Running script upon login mac [closed]

... Automator solution you can make INTERACTIVE login-scripts - e.g. a script what will ask you for some entry (e.g. additional password or anything like). The world isn't only black or white - at least, it is like a zebra... :) :) – jm666 Nov 6 '13 at 15:25 ...
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How to get UITableView from UITableViewCell?

... Oh man, this is a brutal API change. What's apple's best practice for branching if you support both 6 and 7? – Ryan Romanchuk Sep 11 '13 at 7:23 ...
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How to Execute a Python File in Notepad ++?

... shortcut combination, but then it won't run just by pressing those keys. What am I doing wrong? I can make it a plugin command and use it when the console window is selected. But that completely defeats the point. – AlanSE May 5 '14 at 20:53 ...
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Is “else if” a single keyword?

... Though that this well describes what's going on, you may want to add some references for the actual language definitions to prove better what you are saying. – πάντα ῥεῖ Jun 23 '14 at 19:00 ...
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Database Design for Tagging

...r join question_has_tag qt where tag_id in (select tag_id from tags where (what we want) minus select tag_id from tags where (what we don't) should be fine and scale out assuming the right b-tree indexes exist on the middle table – Adam Musch Feb 24 '10 at 16:4...