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Pandas conditional creation of a series/dataframe column

...color'] = np.where(df['Set']=='Z', 'green', 'red') For example, import pandas as pd import numpy as np df = pd.DataFrame({'Type':list('ABBC'), 'Set':list('ZZXY')}) df['color'] = np.where(df['Set']=='Z', 'green', 'red') print(df) yields Set Type color 0 Z A green 1 Z B green 2 ...
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Plotting two variables as lines using ggplot2 on the same graph

... nice example, but how to customize my own colours (E.g. black and orange)?, because it seems that you are using colour= as the variable name. – Darwin PC Oct 27 '15 at 14:23 ...
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How do I create a branch?

... Branching in Subversion is facilitated by a very very light and efficient copying facility. Branching and tagging are effectively the same. Just copy a whole folder in the repository to somewhere else in the repository using the svn copy command. Basically this means that it is by c...
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Explanation of …

...the type to "text/template", it's not a script that the browser can understand, and so the browser will simply ignore it. This allows you to put anything in there, which can then be extracted later and used by a templating library to generate HTML snippets. Backbone doesn't force you to use any par...
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How to center an iframe horizontally?

... So that's what the "i" stands for. – Aayush Jun 9 '13 at 16:53 11 ...
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How do I run a node.js app as a background service?

...means forever, monit, PM2, etc are no longer necessary - your OS already handles these tasks. Make a myapp.service file (replacing 'myapp' with your app's name, obviously): [Unit] Description=My app [Service] ExecStart=/var/www/myapp/app.js Restart=always User=nobody # Note Debian/Ubuntu uses 'n...
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How to set up a PostgreSQL database in Django

I'm new to Python and Django. 11 Answers 11 ...
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How can I make console.log show the current state of an object?

In Safari with no add-ons (and actually most other browsers), console.log will show the object at the last state of execution, not at the state when console.log was called. ...
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Git keeps asking me for my ssh key passphrase

...ed keys as instructed in the github tutorial, registered them with github, and tried using ssh-agent explicitly — yet git continues to ask me for my passphrase every time I try to do a pull or a push. ...
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Forcing a WPF tooltip to stay on the screen

I have a tooltip for a Label and I want it to stay open until the user moves the mouse to a different control. 10 Answers ...