大约有 48,000 项符合查询结果(耗时:0.0678秒) [XML]

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R - Concatenate two dataframes?

Given two dataframes a and b : 5 Answers 5 ...
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How do I compare strings in Java?

.... However, I ran into a bug, changed one of them into .equals() instead, and it fixed the bug. 23 Answers ...
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WebKit issues with event.layerX and event.layerY

... deprecation warning on an event (at least in my opinion). One mousemove handler and your console explodes. :) Here's a recent jQuery ticket: http://bugs.jquery.com/ticket/10531 UPDATE: This is fixed now if you upgrade to jQuery 1.7. Please note that if upgrading jQuery doesn't fix the issue for...
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The object cannot be deleted because it was not found in the ObjectStateManager

...ext, outside of a TransactionScope. Moved the parent call inside the scope and same context and my problem was solved. – dan richardson Feb 7 '13 at 10:31 1 ...
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How to concatenate strings with padding in sqlite

...operator is "concatenate" - it joins together the two strings of its operands. From http://www.sqlite.org/lang_expr.html For padding, the seemingly-cheater way I've used is to start with your target string, say '0000', concatenate '0000423', then substr(result, -4, 4) for '0423'. Update: Looks...
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How to calculate the time interval between two time strings

I have two times, a start and a stop time, in the format of 10:33:26 (HH:MM:SS). I need the difference between the two times. I've been looking through documentation for Python and searching online and I would imagine it would have something to do with the datetime and/or time modules. I can't ge...
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Including non-Python files with setup.py

...f you just want to control the contents of the source distribution (sdist) and have files outside of the package (e.g. top-level directory) is to add a MANIFEST.in file. See the Python documentation for the format of this file. Since writing this response, I have found that using MANIFEST.in is ty...
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How to Customize a Progress Bar In Android

...in which I want to show a ProgressBar , but I want to replace the default Android ProgressBar . 9 Answers ...
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How do I purge a linux mail box with huge number of emails? [closed]

I have setup some cron jobs and they send the crons result to an email. Now over the months I have accumulated a huge number of emails. ...
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Chrome refuses to execute an AJAX script due to wrong MIME type

I'm trying to access a script as JSON via AJAX, which works fine on Safari and other browsers but unfortunately will not execute in Chrome. It's coming with the following error: ...