Pry for Rails (Chris McIntyre)
How to use Pry to inspect what your application is doing.
Scraping With Import.io (Nehemiah Andrews)
Using Import.io to quickly and efficiently scrape websites to import into your RoR app.
Illustrator for Developers (Mikaila Waters)
How to quickly get started with Illustrator and apply it to your workflow.
Vim (Ben Ricker)
Vim, a command line editor. Why you should use it? How you should use it? Advantages/Disadvantages?
Continuous Integration (Faisal Farooq)
What is Continuous Integration? How does it work? Travis CI, CodeShip, etc?