Below you will find pages that utilize the taxonomy term “tips and tricks”

How To Check If A File or Directory Exists in Ruby

Even though JavaScript (and node.js!) is/are my first programming language love(s)1, I’ve been trying to hone my skills in Ruby and Python to better merit the whole ‘full-stack’ title thing. Also because there are some really great things that python and ruby are great for that JavaScript isn’t (vice-versa for each language, really). So, I’ll occasionally be sharing some small tips/tricks I pick up along the way in these other realms.

Removing Unused or Untagged Docker Images

Avast, Ye Old Images! If you’ve been trying out Docker or maybe just reading about it, you probably know that one of it’s strengths is the way in which builds progress by layer. RUN commands all get executed in their own intermediate container. This is great for lots of reasons, but if you don’t use the --rm=true flag when you run docker build, you’ll get stuck with lots of these guys after a while: ##Make it so