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Adding new column to existing DataFrame in Python pandas
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Use the original df1 indexes to create the series:
df1['e'] = pd.Series(np.random.randn(sLength), index=df1.index)
Edit 2015
Some reported getting the SettingWithCopyWarning with this code.
However, the code still runs perfectly with the current pandas version 0.16.1.
>>> ...
How to rsync only a specific list of files?
...per-user only)
-D : same as --devices --specials
-q : quiet (https://serverfault.com/questions/547106/run-totally-silent-rsync)
--delete
This tells rsync to delete extraneous files from the RECEIVING SIDE (ones
that AREN’T ON THE SENDING SIDE), but only for the directori...
Working with select using AngularJS's ng-options
I have read about it in other posts, but I couldn't figure it out.
8 Answers
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insert vs emplace vs operator[] in c++ map
I'm using maps for the first time and I realized that there are many ways to insert an element. You can use emplace() , operator[] or insert() , plus variants like using value_type or make_pair . While there is a lot of information about all of them and questions about particular cases, I sti...
Handling InterruptedException in Java
What is the difference between the following ways of handling InterruptedException ? What is the best way to do it?
7 Answ...
How to sort an array in Bash
I have an array in Bash, for example:
16 Answers
16
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How does facebook, gmail send the real time notification?
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Project homepage: http://plugins.jquery.com/project/Comet
Google Code: https://code.google.com/archive/p/jquerycomet/ - Appears to have some sort of example usage in the subversion repository.
That said, the plugin seems to add a fair bit of complexity, it really is very simple on the client,...
What is the difference between RegExp’s exec() function and String’s match() function?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
SQL Server insert if not exists best practice
I have a Competitions results table which holds team member's names and their ranking on one hand.
8 Answers
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Java Stanford NLP: Part of Speech labels?
The Stanford NLP, demo'd here , gives an output like this:
10 Answers
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