![thoughtbot](https://ph-files.imgix.net/f12081c7-4eca-4484-9250-52284070fdd2.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=64&h=64&fit=crop&frame=1)
An experienced team as Thoughbot shared their learnings about programing and more for free, isn't that amazing?
I've used Upcase extensively over the years to learn things like TDD and VIM. I can honestly say I don't think I'd have the developer job I have today without it.