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 vote181 views1 answer
56.5 to 57 in python
Python
0 vote223 views1 answer
How to get a mock image in django?
Python Django
2 votes181 views2 answers
Python array get index
Python
0 vote172 views1 answer
Zip list to dictionary python
Python
7 votes188 views1 answer
Pip pickle
Python
0 vote239 views1 answer
Shutdown flask server with request
Python Flask
0 vote184 views1 answer
Subset data frame by date
Python
1 vote222 views1 answer
Django.db.models avg
Python Django
0 vote170 views2 answers
Change value in excel using python
Python
6 votes209 views1 answer
Getting leap year in python
Python