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How to sort a dataFrame in python pandas by two or more columns?
Suppose I have a dataframe with columns a , b and c , I want to sort the dataframe by column b in ascending order, and by column c in descending order, how do I do this?
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Where is the warnings screen option in Android Studio?
I want to see warnings of my code in Android Studio, But i am unable to find the option to display warnings view. In case of eclipse we can see the warnings in the "Problems" view.
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Available text color classes in Bootstrap
I'm developing a sign up page, by putting some text as the title at the navigation bar. I want to give those texts different colors. For this purpose I'm using a separate CSS file, but I want to do this using bootstrap's CSS file.
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What is the significance of initializing direction arrays below with given values when developing ch
I am new to competitive programming, and I noticed frequently, many of the great coders have these four lines in their code (particularly in those involving arrays):
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What is the difference between a dialog being dismissed or canceled in Android?
...ed and it is being removed from the screen. A dialog is canceled when the user wants to escape the dialog and presses the Back button.
For example, you have a standard Yes/No dialog on the screen. If the user clicks No, then the dialog is dismissed and the value for No is returned to the caller...
How to set the title of DialogFragment?
This should be a simple task, but for some reason I can find a way to set the title of a DialogFragment . (I am setting the dialog contents using onCreateView overload).
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CSS Pseudo-classes with inline styles
Is it possible to have pseudo-classes using inline styles?
4 Answers
4
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The “backspace” escape character '\b': unexpected behavior?
So I'm finally reading through K&R , and I learned something within the first few pages, that there is a backspace escape character, \b .
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Append column to pandas dataframe
This is probably easy, but I have the following data:
5 Answers
5
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What is the difference between location list and quickfix list in vim
The following is from the documentation about the quickfix list and location list. But I am not sure what actually different. The image below shows the same things from the location list and quickfix list. When do I use one or another in vimgrep and lvimgrep.
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