Sunday, December 4, 2011

Learn some Ruby syntaxes from company source code

I think the fastest way to catch up Ruby and Rails idiomatic of my new company is to learn from it directly instead of learning from other available tutorials or books. Below is my note on this learning.

Rake

Exec shell command


  • use back-quote such as `ls`
  • return string from stdout
  • access Process object with $? such as $?.success
  • (not related to Ruby) `command 2>/dev/null` get rid of stderr

- string.chomp to remove new line in end of string

RSpec a lot of things on https://www.relishapp.com/rspec

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[PostgreSQL] How to create read-only standby replica (follower)

This link  and this link explain it really well and concise