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How do I retrieve the number of columns in a Pandas data frame?

... 115 Alternative: df.shape[1] (df.shape[0] is the number of rows) ...
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Keep only first n characters in a string?

... andrewb 4,80266 gold badges3030 silver badges5151 bronze badges answered Oct 10 '11 at 5:25 ShadShad 12.4k22 gold badges1919...
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Equivalent VB keyword for 'break'

... Markus Safar 5,60155 gold badges2323 silver badges4040 bronze badges answered Apr 15 '13 at 19:08 Ayman El TemsahiAyma...
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AngularJS directive with default options

...e option. doc here – mneute Jan 16 '15 at 14:47 4 Remember, that attributes needs the values as t...
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Installing Apple's Network Link Conditioner Tool

... kevlened 8,61444 gold badges1717 silver badges1515 bronze badges answered Mar 11 '12 at 22:25 Kurt RevisKurt Revis 26.3k44 g...
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How to get the first column of a pandas DataFrame as a Series?

...oting this approach. – gaborous Feb 15 '18 at 23:50 add a comment  |  ...
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?

... answered Sep 8 '13 at 23:15 HammerHammer 8,94911 gold badge3131 silver badges4747 bronze badges ...
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Is it a good idea to use Google Guava library for Android development?

..."Hello world" & not much else (debug): 27KB; "Hello world" with Guava (15.0) dependency and minor Guava usage (debug): 705KB; the same, release build, optimised with ProGuard: 22KB. This test, together with having used Guava while developing a large real-world app, confirmed my belief that Guava...
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jquery how to empty input field

...o be blank? – Kevin Wheeler Jun 10 '15 at 21:49 3 ...
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How to see the CREATE VIEW code for a view in PostgreSQL?

...supplied my need. – Brain90 May 19 '15 at 7:20 Sad thing is: This cannot be used without psql. The "pure" SQL-command-...