Implement singly_linked_list_detect_loop/js
Remove stack/octave because octave doesn't yet implement OO.
Add some customization notes/instructions to future me.
Implement singly_linked_list_detect_loop/go
Use var
Implement levenshtein_distance/octave
Implement singly_linked_list_remove_duplicates_no_memory/go
Add test to linear_regression_compute_cost/octave
Remove invalid check script
Implement linear_regression_compute_cost/c++
Fix infinite recursion problem in logistic_regression_gradient/octave