Jwan622 questions

• Ruby's &method notation. what is going on?
• Find the 5 longest names in ActiveRecord
• How does the index affect the output of "git diff"?
• Ruby rspec converting mock hash with strings into hash with symbol
• How to get rid of pytest warnings
• Easier way to require spec files in Sinatra
• instance methods of classes vs module methods
• Java uncovered switch statements in a method. Does the method need to return something?
• What's the purpose of having both db level and code level uniqueness validations in Rails?
• How to test that a method gets called twice with different arguments in Python unittest

Jwan622 answers