Top "Letters-and-numbers" questions

Characters (e.g., ASCII, Unicode) that represent letters and numbers; also: converting between letters and numbers (i.e., integers)

subtracting letters in c

I would like to know how to "subtract letters" in C: I mean, I have 2 letters, 'a' and 'c' and …

c subtraction letters-and-numbers
How to get python to display the first letter from input

For example, if I entered "Harry Potter" into the following code. What should I write in the blank spaces so …

python letters-and-numbers
How to generate a file with all possible 12 character letter/number combinations?

I have been struggling with this for some time, and I can't even figure out where could I start with …

c# generator letters-and-numbers