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

...olumn, 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: 1 In [13]: df Out[13]: 0 1 0 NaN 0.0000...
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Only detect click event on pseudo-element

... This is not possible; pseudo-elements are not part of the DOM at all so you can't bind any events directly to them, you can only bind to their parent elements. If you must have a click handler on the red region only, you have to make a child element, like a span, place it right after the ...
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When to use extern in C++

...larify, using extern int x; tells the compiler that an object of type int called x exists somewhere. It's not the compilers job to know where it exists, it just needs to know the type and name so it knows how to use it. Once all of the source files have been compiled, the linker will resolve all of ...
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How to manage REST API versioning with spring?

...the evaluation in the method body? As described in this SO answer you actually can have the same @RequestMapping and use a different annotation to differentiate during the actual routing that happens during runtime. To do so, you will have to: Create a new annotation VersionRange. Implement a Req...
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Canvas width and height in HTML5

...t would be much faster to just reset the css, no?(rather than loop through all objects)... – EnglishAdam Sep 11 '14 at 9:28 ...
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html select only one checkbox in a group

So how can I only allow a user to select only one checkbox? 16 Answers 16 ...
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How to read attribute value from XmlNode in C#?

... To expand Konamiman's solution (including all relevant null checks), this is what I've been doing: if (node.Attributes != null) { var nameAttribute = node.Attributes["Name"]; if (nameAttribute != null) return nameAttribute.Value; throw new InvalidOp...
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How to export/import PuTTy sessions list?

...utty-sessions.reg" HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions All settings: regedit /e "%USERPROFILE%\Desktop\putty.reg" HKEY_CURRENT_USER\Software\SimonTatham Powershell: Only sessions: reg export HKCU\Software\SimonTatham\PuTTY\Sessions ([Environment]::GetFolderPath("Desktop") ...
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grunt: command not found when running from terminal

... I'm guessing you used Brew to install Node, so the guide here might be helpful http://madebyhoundstooth.com/blog/install-node-with-homebrew-on-os-x/. You need to ensure that the npm/bin is in your path as it describes export PATH="/usr/local/share/npm/bin:$...
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How to fix the flickering in User controls

...f controls, those holes are visible to the user for a while. They are normally white, contrasting badly with the BackgroundImage when it is dark. Or they can be black if the form has its Opacity or TransparencyKey property set, contrasting badly with just about anything. This is a pretty fundamen...