test if array empty ruby
irb(main):001:0> [].length
=> 0
irb(main):002:0> [1].length
=> 1
irb(main):003:0> [1, 'foo'].length
=> 2
Are there any code examples left?
New code examples in category Ruby
-
Ruby 2022-03-27 13:25:03 ruby assign value to hash
-
Ruby 2022-03-24 19:45:17 rails update without validation
-
Ruby 2022-03-23 05:15:08 ruby hello world
-
Ruby 2022-03-23 02:40:01 rails keep all params except for some
-
Ruby 2022-03-20 06:15:08 rails hidden field default value
-
Ruby 2022-03-19 19:55:31 print things ruby
-
Ruby 2022-03-18 22:15:07 rails command line
-
Ruby 2022-03-18 08:10:03 ruby get the number of same element in array
-
Ruby 2022-03-17 02:40:17 drop rails all db