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

9 votes307 views6 answers
Join pandas dataframe by column
Python
6 votes338 views1 answer
Django desc order
Python Django
0 vote302 views1 answer
How to capitalize words in python
Python
0 vote339 views1 answer
How to remove explicit string concatenation
Python
0 vote314 views2 answers
Join in pathlib path
Python
1 vote305 views1 answer
Convert a Video in python to individual Frames
Python
87 votes306 views2 answers
How to write a while statement in python
Python
2 votes317 views2 answers
Correlation plot python seaborn
Python
10 votes322 views1 answer
Main function python\
Python
13 votes351 views4 answers
Python calculate age from date of birth
Python