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Split (explode) pandas dataframe string entry to separate rows

I have a pandas dataframe in which one column of text strings contains comma-separated values. I want to split each CSV field and create a new row per entry (assume that CSV are clean and need only be split on ','). For example, a should become b : ...
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Java: Static Class?

I have a class full of utility functions. Instantiating an instance of it makes no semantic sense, but I still want to call its methods. What is the best way to deal with this? Static class? Abstract? ...
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What's the concept of and differences between Framebuffer and Renderbuffer in OpenGL?

I'm confused about concept of Framebuffer and Renderbuffer. I know that they're required to render, but I want to understand them before use. ...
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Expansion of variables inside single quotes in a command in Bash

I want to run a command from a bash script which has single quotes and some other commands inside the single quotes and a variable. ...
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Partly cherry-picking a commit with Git

I'm working on 2 different branches: release and development . 7 Answers 7 ...
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How to display a confirmation dialog when clicking an link?

I want this link to have a JavaScript dialog that asks the user “ Are you sure? Y/N ”. 9 Answers ...
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Determine the line of code that causes a segmentation fault?

How does one determine where the mistake is in the code that causes a segmentation fault ? 6 Answers ...
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Which commit has this blob?

Given the hash of a blob, is there a way to get a list of commits that have this blob in their tree? 7 Answers ...
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Moving from CVS to Git: $Id$ equivalent?

I read through a bunch of questions asking about simple source code control tools and Git seemed like a reasonable choice. I have it up and running, and it works well so far. One aspect that I like about CVS is the automatic incrementation of a version number. ...
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Removing items from a list [duplicate]

While looping through a list, I would like to remove an item of a list depending on a condition. See the code below. 6 Answ...