If you're running Rails in production it will by default be configured to let apache or nginx send files for you. If you're handling file downloads yourself with send_file send_file("path/to/file.txt") you will notice that the downloaded files are empty...

I don't do much python development. I really like the language and there are a lot of great software projects out there for it. Tornado, for example, is a fast non-blocking web server in python, just open sourced by Facebook that is the engine behind Frie...

The documentation for Python's shutil.make_archive is very confusing. Considering that the arguments to this function only need to be source and destination, makes it even more frustrating to try and reason about. Here are the relevant docs from the p...

Short and sweet. Here all the commands I run in this order to set up a brand new box. It usually takes about 10 - 15 minutes on a 256 MB RAM instance. Compiling Ruby Enterprise Edition, which is super easy, will take the most amount of time. It will seem ...

The module and class below demonstrate how to use instance methods and class methods from "module mixins". The thing to remember is scope. For instance, to use class methods within instance methods you need to call them from the class itself. This is acco...