А что если нет элемента в массиве?

Why inner join?

junior code =D

This answer return new string. I thought the problem stated that "returns the same string with all even indexed characters in each word upper cased, and all odd indexed characters in each word lower cased."

Bro, I tried the same thing but they showed me error! donno why!

I used a really long winded recursion implementation and I feel so stupid looking at this

Yeah, that = is pointless

semi colons in sql are just query separtors, if it's one query it's fine

How do you guys solve such problems? Just interesting, do you google for a formula and build an algorithm based on the formula or you just trying to recreate the formula by yourself?

I was really struggling with the iterative solution, but this is so cool.

I wonder why when I change (principal, interest, tax, desired) by (p, i, t, d) do I get 3.92 instead of 1, when I try to pass calculate_years(1000,0.01625,0.18,1001)...
Am I missing something here?