After adding migration files in the db/migrate folder and running rake db:migrate , I want get back to the previous step, I think using VERSION=n is the right way to do that, but I don't know the correct value of n to use. Is there any command to check the current n value? ...

I had to move my Eclipse workspace from Linux to Windows when my desktop crashed. A week later I copy it back to Linux, code happily, commit to CVS. And alas, windows newlines have polluted many files, so CVS diff dumps the entire file, even when I changed a line or two! ...

I'm working on a project that will read compiler error messages of a particular variety and do useful things with them. The sample codebase I'm testing this on (a random open-source application), and hence rebuilding frequently, contains a few bits that generate warnings, which are of no interest to...

The following code: 4 Answers 4 ...

I am writing my first application in WPF and want to have the user input some data on a modal dialog window. Apparently, this is not simple to do in WPF, because the parent window stays fully enabled, and the method that created the new child window doesn't stop and wait for the child window to cal...

I am trying to understand this code block. In the first one, what is it we are looking for in the expression? 4 Answers ...

This happens intermittently and seems to be related to accidentally hitting a key. 2 Answers ...

I have a bunch of system calls in ruby such as the following and I want to check their exit codes simultaneously so that my script exits out if that command fails. ...

Is it possible to match on a comparison using the pattern matching system in Scala? For example: 4 Answers ...

I'm setting up some goals in Google Analytics and could use a little regex help. 4 Answers ...