Someone accepted a pull request which they shouldn't have. Now we have a bunch of broken code merged in. How do you undo a pull request? I was just going to revert the changes to the commit just before the merge, but I noticed that it merged in a bunch of commits. So now there are all these commits ...

After making it through the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen. ...

I just started using Git and I got really confused between different branches. Can anyone help me to figure out what the following branch types are? ...

What are the pros and cons of importing a Python module and/or function inside of a function, with respect to efficiency of speed and of memory? ...

I have read some posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc. 5 Answer...

I switched from Subversion to Git as my day-to-day VCS last year and am still trying to grasp the finer points of "Git-think". ...

A common task in programming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation. ...

I am having trouble understanding the Initialization of classes. 8 Answers 8 ...

I'm deploying a replacement site for a client but they don't want all their old pages to end in 404s. Keeping the old URL structure wasn't possible because it was hideous. ...

How can you you insert a newline from your batch file output? 18 Answers 18 ...