How to reverse array in ruby

# ruby
arr = [0,1,2]
# reverse
arr_rev = arr.reverse
# arr_rev = [2,1,0]; arr = [0,1,2]
arr == arr_rev.reverse!
# true
# ! immediately changes the value and stores it back to the variable

Similar codes

0 vote337 views1 answer
Pygame pin to top
Python
0 vote340 views1 answer
Python pandas get dataframe element
Python
0 vote332 views1 answer
Python data structures 9.4
Python
30 votes334 views3 answers
Python read scv
Python
0 vote333 views1 answer
Python ordered indexs of a list
Python
38 votes276 views4 answers
Replace nan with 0 pandas
Python
0 vote313 views1 answer
How to multi thread python
Python
0 vote331 views1 answer
Mnist
Python
0 vote309 views2 answers
Quotation marks n string
Python
1 vote339 views1 answer
Python get last element of iterator
Python