大约有 43,700 项符合查询结果(耗时:0.0374秒) [XML]

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nginx showing blank PHP pages

... 252 For reference, I am attaching my location block for catching files with the .php extension: l...
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Maximum length for MySQL type text

... 772 See for maximum numbers: http://dev.mysql.com/doc/refman/5.0/en/storage-requirements.html TINYB...
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What is the list of possible values for navigator.platform as of today? [closed]

...er is running a browser compiled for 16-bit, even though the user is on a 32-bit or 64-bit Windows machine. Of course W3Schools lists the old definition (I'm not even gonna link to them). W3 and MDN have agreed on a different definition though: navigator.platform represents the platform on which th...
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How to split a delimited string in Ruby and convert it to an array?

... >> "1,2,3,4".split(",") => ["1", "2", "3", "4"] Or for integers: >> "1,2,3,4".split(",").map { |s| s.to_i } => [1, 2, 3, 4] Or for later versions of ruby (>= 1.9 - as pointed out by Alex): >> "1,2,3,4".sp...
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How to change the color of an svg element?

... 215 You can't change the color of an image that way. If you load SVG as an image, you can't change...
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Error while installing json gem 'mkmf.rb can't find header files for ruby'

...rn era update, as stated by mimoralea: In case that you are using ruby 2.0 or 2.2 (thanks @patrick-davey). sudo apt-get install ruby2.0-dev sudo apt-get install ruby2.2-dev sudo apt-get install ruby2.3-dev or, generic way: sudo apt-get install ruby-dev or sudo apt-get install ruby`r...
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count the frequency that a value occurs in a dataframe column

...ame({'a':list('abssbab')}) df.groupby('a').count() Out[37]: a a a 2 b 3 s 2 [3 rows x 1 columns] See the online docs: http://pandas.pydata.org/pandas-docs/stable/groupby.html Also value_counts() as @DSM has commented, many ways to skin a cat here In [38]: df['a'].value_counts() Out[...
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EC2 Instance Cloning

Is it possible to clone a EC2 instance data and all? 7 Answers 7 ...
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How to quit scala 2.11.0 REPL?

In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work. ...
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How to add title to subplots in Matplotlib?

... 225 ax.title.set_text('My Plot Title') seems to work too. fig = plt.figure() ax1 = fig.add_subplo...