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Drop rows with all zeros in pandas data frame

I can use pandas dropna() functionality to remove rows with some or all columns set as NA 's. Is there an equivalent function for dropping rows with all columns having value 0? ...
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Git add all files modified, deleted, and untracked?

Is there a way to add all files no matter what you do to them whether it be deleted, untracked, etc? like for a commit. I just don't want to have to git add or git rm all my files every time I commit, especially when I'm working on a large product. ...
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How to search through all Git and Mercurial commits in the repository for a certain string?

... repository with few branches and dangling commits. I would like to search all such commits in repository for a specific string. ...
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git undo all uncommitted or unsaved changes

I'm trying to undo all changes since my last commit. I tried git reset --hard and git reset --hard HEAD after viewing this post . I responds with head is now at 18c3773... but when I look at my local source all the files are still there. What am I missing? ...
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SQL JOIN and different types of JOINs

... and start with cross join and then "build" inner join on top of it. After all, the mere concept of cross join invalidates these informal and inaccurate Venn diagram visualisations... – Lukas Eder Apr 21 '17 at 17:25 ...
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Check if two lists are equal [duplicate]

...ceEqual(ints2); Or if you don't care about elements order use Enumerable.All method: var a = ints1.All(ints2.Contains); The second version also requires another check for Count because it would return true even if ints2 contains more elements than ints1. So the more correct version would be som...
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Deleting all records in a database table

How do I delete all records in one of my database tables in a Ruby on Rails app? 7 Answers ...
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Python and pip, list all versions of a package that's available?

Given the name of a Python package that can be installed with pip , is there any way to find out a list of all the possible versions of it that pip could install? Right now it's trial and error. ...
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Send response to all clients except sender

To send something to all clients, you use: 10 Answers 10 ...
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How do I apply CSS3 transition to all properties except background-position?

I'd like to apply a CSS transition to all properties apart from background-position. I tried to do it this way: 6 Answers ...