Ruby string to int

a = "42" # => '42'
a.to_i # => 42

# But if you might not have a number in your String, you should rather 
# use this instead, as to_i doesn't throw an Error:

"42test123".to_i # => 42
Integer("42test123") # => ArgumentError
Integer("42") # => 42

Similar codes

1 vote261 views1 answer
Rollback specific migration rails
Ruby
0 vote247 views1 answer
Difference between Hash.new and Hash.new { |h, k| h[k] = [] }
Ruby
1 vote279 views2 answers
Ruby iterate hash with index
Ruby
0 vote267 views1 answer
Validate French phone numbers
Ruby
1 vote282 views2 answers
How can I rename a database column in a Ruby on Rails migration?
Ruby
1 vote282 views1 answer
Ruby regexp match all
Ruby
0 vote262 views1 answer
Flash in rails
Ruby
0 vote268 views1 answer
Encryption and decryption in rails
Ruby
0 vote268 views1 answer
Convert to ascii ruby
Ruby
0 vote280 views1 answer
Rails not_found
Ruby