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Re-ordering columns in pandas dataframe based on column name [duplicate]
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df = df.reindex(sorted(df.columns), axis=1)
This assumes that sorting the column names will give the order you want. If your column names won't sort lexicographically (e.g., if you want column Q10.3 to appear after Q9.1), you'll nee...
Extension methods must be defined in a non-generic static class
I'm getting the error:
10 Answers
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Android: Storing username and password?
If I want to store the username and password to be used inside an Android application, what is the best way to do it? Is it through the preferences screen (but what if the user misses this?), or pop up a dialog box and ask the user for the credentials? If so, I do have to maintain state for the appl...
Linear Layout and weight in Android
I always read about this funny weight value in the Android documentations.
Now I want to try it for the first time but it isn't working at all.
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Architecture for merging multiple user accounts together
Okay, I got a website where you can register yourself and login. You can also login with your facebook, twitter or linkedin account.
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How to reset Jenkins security settings from the command line?
Is there a way to reset all (or just disable the security settings) from the command line without a user/password as I have managed to completely lock myself out of Jenkins ?
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Renaming a branch in GitHub
I just renamed my local branch using
15 Answers
15
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How do I compare two DateTime objects in PHP 5.2.8?
Having a look on the PHP documentation, the following two methods of the DateTime object would both seem to solve my problem:
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Convert timestamp in milliseconds to string formatted time in Java
I am trying to convert a long value ( number of milliseconds elapsed from 1/1/1970 i.e. Epoch ) to time of format h:m:s:ms .
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Difference between Select and ConvertAll in C#
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Select is a LINQ extension method and works on all IEnumerable<T> objects whereas ConvertAll is implemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5.
You should favor S...