How to combine multiple conditions to subset a data-frame using “OR”?
I have a data.frame in R. I want to try two different conditions on two different columns, but I want these conditions to … Read more
conditional
How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally … Read more
What command means “do nothing” in a conditional in Bash?
Sometimes when making conditionals, I need the code to do nothing, e.g., here, I want Bash to do nothing when $a is greater … Read more
Check if something is (not) in a list in Python
I have a list of tuples in Python, and I have a conditional where I want to take the branch ONLY if the … Read more