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Thoughts from Reading Code - Foreman and Pipes

Using Pipes for Cheap IPC

A UNIX pipe is a unidirectional interprocess communication channel with a read end and a write end. You have probably used pipes in the command line. For example,

$ git ls-files | xargs grep foo

This executes both commands concurrently and creates a pipe for interprocess communication …

Thoughts from Reading Code - Foreman

I read a lot of open source code in my free time to make myself a better engineer. Here are some of my notes from reading foreman's cli.rb.

Code Style - Raising Exceptions with a Bang

You might occasionally encounter code that looks like this:

def start(process=nil)
  raise …

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