Skip to main content

CS Theory

I remember the many "ah-HA!" moments I had when researching these videos. Functional programming especially. I would constantly hear terms flying around that I never properly understood - that's what we focus on with these videos.

A collection of 4 posts

Explain It Like I'm 5 - Why Are Hashes Irreversible?
CS Theory

Explain It Like I'm 5 - Why Are Hashes Irreversible?

How to explain hashing algorithms to 5-year olds? Well... I'll do my best in this post, which comes with a video too!

· Rob Conery

The Fabulous Linked List
CS Theory

The Fabulous Linked List

It’s always fun to study the basics, and in this video we dive into the linked list and how to create one from scratch. Sounds ridiculous, but it can rescue an interview!

· Rob Conery

What’s the Best Hashing Algorithm for Storing Passwords?
CS Theory

What’s the Best Hashing Algorithm for Storing Passwords?

Most people will default to bcrypt when choosing a hashing algorithm for storing sensitive information - but why? Are there other choices? Indeed! In this video we'll take a look at scrypt, PBKDF2 and my favorite: argon2

· Rob Conery

Mod and Remainder Are Not The Same
CS Theory

Mod and Remainder Are Not The Same

A remainder and a modulus look so very similar, but they are not the same thing and worse, are treated differently by different programming languages. Do you know how your language handles mod?

· Rob Conery