I am trying to learn how to restore or rollback files and projects to a prior state, and don't understand the difference between git revert , checkout , and reset . Why are there 3 different commands for seemingly the same purpose, and when should someone choose one over the other? ...

I have two repositories. In one, I make changes to file ./hello.test . I commit the changes and create a patch from that commit with git format-patch -1 HEAD . Now, I have a second repository that contains a file that has the same contents as hello.test but is placed in a different directory under...

I am using R and tried some.function but I got following error message: 10 Answers 1...

From what I understand, Git doesn't really need to track file rename/move/copy operations, so what's the real purpose of git mv ? The man page isn't specially descriptive... ...

I have an array that is made up of AnyObject . I want to iterate over it, and find all elements that are array instances. ...

In all other languages I've worked with the super constructor is invoked implicitly. How does one invoke it in Python? I would expect super(self) but this doesn't work. ...

We use SVN at work, but for my personal projects I decided to use Git. So I installed Git yesterday, and I wonder what is the revision number equivalent in Git . ...

I am not able to understand the difference between a kernel and an operating system. I do not see any difference between them. Is the kernel an operating system? ...

I'm worried that this is a runtime exception so it should probably be used sparingly. Standard use case: 6 Answers ...

The basic "Fragments Tutorial" pattern goes something like this: 5 Answers 5 ...