# Understanding Algorithmic Complexity (Big-O Notation)?

Published on 17/03/2025

What is Landau notation, also known as Big-O notation, for evaluating the performance of an algorith...

Understanding the concept of recursion in programming

Published on 07/10/2024

Understanding the concept of recursion, important in algorithmics, in just a few minutes!

How does emoji search work on Slack?

Published on 05/08/2024

Slack implements "subsequence matching" for its emoji search. Let's discover how it works and how to...

What is GZIP compression?

Published on 06/11/2023

Enabling gzip on your web server, sure, but what exactly is it for?

How to compare two strings containing typos?

Published on 10/02/2022

or how to make your code understand that "aéroport" and "aréoport" mean the same thing.

# Introduction to Data Compression with the RLE Algorithm

Published on 19/03/2021

Do you think data compression algorithms are very complex? RLE can be understood in just a few minut...