大约有 16,300 项符合查询结果(耗时:0.0268秒) [XML]

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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?

I'm looking for a way to dump the structure of an object, similar to the PHP functions print_r and var_dump for debugging reasons. ...
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How do I remove leading whitespace in Python?

I have a text string that starts with a number of spaces, varying between 2 & 4. 5 Answers ...
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postgresql - replace all instances of a string within text field

In postgresql, how do I replace all instances of a string within a database column? 4 Answers ...
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Why is using “for…in” for array iteration a bad idea?

I've been told not to use for...in with arrays in JavaScript. Why not? 27 Answers 27...
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What's the proper way to install pip, virtualenv, and distribute for Python?

In my answer to SO question 4314376 , I recommended using ez_setup so that you could then install pip and virtualenv as follows: ...
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Is there a Subversion command to reset the working copy?

Is there a single Subversion command that would “reset” a working copy exactly to the state that’s stored in the repository? Something like git reset --hard or (ha, hard Git reset does not remove unversioned files either!) rm -rf wc && svn co <url> wc . ...
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How can I extract the folder path from file path in Python?

I would like to get just the folder path from the full path to a file. 6 Answers 6 ...
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How to convert milliseconds to “hh:mm:ss” format?

I'm confused. After stumbling upon this thread, I tried to figure out how to format a countdown timer that had the format hh:mm:ss . ...
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Remove last character from string. Swift language

How can I remove last character from String variable using Swift? Can't find it in documentation. 22 Answers ...
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Script Tag - async & defer

I have a couple of questions about the attributes async & defer for the <script> tag which to my understanding only work in HTML5 browsers. ...