Introductions and tips for various useful development tools & utilities.
Category: Tools
Episode #643
Rake Introspection
You tell a build tool where you want to go, and it figures out the shortest path to get there. But when things go wrong, understanding why can be challenging. …
Episode #640
Autosplit
Ruby has tools like -n and -p for filtering and summarizing text right from the command-line. But what about columnar input, like process listings or CSV? Today we'll see how …
Episode #638
Ruby as a Filter
Learn how Ruby's -p flag along with a bunch of handy shortcuts can take a script's worth of text filtering and shrink it to a one-liner!
Episode #637
mitmproxy
Have you ever needed to understand the HTTP[S] communication between a client program and its server? Learn to use the mitmproxy server to spy on HTTP requests---even if they are …
Episode #634
You Could Have Sed It in Ruby
Don't spend time mastering UNIX tools if you can use Ruby one-liners instead.
Episode #628
Process Substitution
In this Bash-focused episode, we'll explore a nifty trick for reading from subcommands as if they were files!
Episode #627
Rake Global Tasks
Rake isn't just for running tests. You can use Rake to organize all your favorite development automation tasks across ALL your projects. Find out how, in this episode!
Episode #625
Docker Diff
"What did that program change?!!" - In today's episode you'll see how you can definitively answer this question, using a built-in feature of Docker!
Episode #624
ltrace
As we've explored recently, strace is a powerful tool for understanding how a program interacts with the operating system. But it's only for system calls. Learn how to use ltrace …