Learning Data Structures with mycodeschool

Having a solid understanding of data structures is on top of my todo list. I’ve looked on Coursera and other resources such as blogs and stackoverflow, but I find them either not comprehensive enough or at the other end of the spectrum, too dense with…

Atoi Implementation in Ruby

Prompt: Implement your own string to number conversion function. Do not use the following: send, eval, to_i, to_f, Integer(str), Float(str), or any similar method to convert your strings to numbers in your RPN evaluator.

Atoi Implementation in Ruby

Prompt: Implement your own string to number conversion function. Do not use the following: send, eval, to_i, to_f, Integer(str), Float(str), or any similar method to convert your strings to numbers in your RPN evaluator.

Breakfast: Coderbytes and Chocolate Cocoa Puff

Before doing anything in the day, I’d like to start a warm up with some coderbytes exercise just to keep my groggy brain starting. This morning I picked this challenge:

# take the array of strings stored in str_arr and…

Coderbytes: simple_symbols(str)

Using the Ruby language, have the method simple_symbols(str) take the str parameter being passed and determine if it is an acceptable sequence by either returning the string true or false. The str parameter will be composed of + and = symbols with several letters between…