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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?

...360 -0.229738 4 0.000000 0.000000 To fill the NaNs in only one column, select just that column. in this case I'm using inplace=True to actually change the contents of df. In [12]: df[1].fillna(0, inplace=True) Out[12]: 0 0.000000 1 0.570994 2 0.000000 3 -0.229738 4 0.000000 Name...
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Error: Could not find or load main class in intelliJ IDE

...e's what I did: Goto File | Project Structure, or press Crtl+Shift+Alt+S Select Modules under the Project Settings section. In the Sources tab click Sources on the 'Mark as:' line. Click the Apply button. For some reason, all my classes then had blue C's. Someone with a better understanding...
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Setting CSS pseudo-class rules from JavaScript

I'm looking for a way to change the CSS rules for pseudo-class selectors (such as :link, :hover, etc.) from JavaScript. 12 ...
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How to debug a maven goal with intellij idea?

...log) and set a breakpoint. Right-clicking on the desired Maven target and selecting 'Debug' as others have mentioned worked perfectly – Patrick Herrera Aug 29 at 8:10 add a c...
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Get a random item from a JavaScript array [duplicate]

...a way to "scramble" an array, but the question is about getting a randomly selected element from an array. There's a big difference. – damd Mar 4 '16 at 15:04 16 ...
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Read first N lines of a file in python

...Nlines One advantage compared to the other answers is the possibility to select easily the range of lines e.g. skipping the first 10 lines [10:30] or the lasts 10 [:-10] or taking only even lines [::2]. share | ...
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PHP: How to remove specific element from an array?

...ving the chosen items, "strawberry" in this example. So, the user enters a selection => the code searches under submenus and finds any list that has that option => turns that list into an array => removes the chosen option. – dcp3450 Mar 15 '10 at 18:1...
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What's the best three-way merge tool? [closed]

... Good, but no support for selecting folders – Michael Fitzpatrick Nov 22 '11 at 21:34 9 ...
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How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?

... mysql_query("SET NAMES utf8"); before my select query fixed the issue for me . thanks :) – Deepak Goswami Mar 4 '16 at 5:59 add a comment ...
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Django templates: verbose version of a choice

...choices are stored in the variable CHOICES and the model field storing the selected choice is 'choices' then you can directly use {{ x.get_choices_display }} in your template. Here, x is the model instance. Hope it helps. ...