seph questions

seph answers

• Adding a newline to a file
• fast approximate string matching in a large array in ruby
• split array to sub array by step in Ruby
• Efficient way (in Ruby), to determine largest matching sequence in an array/string?
• \' (backslash, single quote) in a Ruby string
• In Ruby how to put multiple lines in one guard clause?
• Can I repeat command in irb?
• is there something like 'with_indifferent_access' for arrays usable for include?
• Why is rubocop asking me to put // around regex when i'm using %r already?
• How to lint YAML files, preferably in Ruby