Decorators & Context Managers: The @ and with You Keep Seeing
Decorators and context managers look like magic until you build one. This post explains the @ symbol and the with statement step by step, sh...
Oct 15, 2026
7 min
Iterators, Generators & Comprehensions: How Python Handles Streams of Data
Functions are more powerful than they look. Learn how scope works, why default lists cause bugs, how lambdas and closures work, and how func...
Oct 14, 2026
8 min
Functions in Depth: Scope, Closures, and Passing Functions Around
Functions are more powerful than they look. Learn how scope works, why default lists cause bugs, how lambdas and closures work, and how func...
Oct 13, 2026
7 min
Building a Discord Reminder Bot in Python
A step-by-step guide to building a Discord reminder bot with discord.py. You’ll create slash commands, store reminders in SQLite so they sur...
Oct 14, 2026
9 min
I built an HTTP server from scratch in Python to learn how HTTP really works
Frameworks hide what really travels between a browser and a server. So I built an HTTP server from scratch in Python. It reads raw requests,...
Oct 14, 2026
18 min
Built-in Data Structures: Lists, Dicts, Sets, and Tuples
Lists, dictionaries, tuples, and sets cover most of what you’ll store in Python. This post shows what each one is for, how to pick the right...
Oct 12, 2026
7 min
Python Fundamentals: The Basics You Need Before Anything Else
New to Python? This post covers the basics you need for AI work: variables, data types, strings, if statements, loops, and functions. You’ll...
Oct 11, 2026
7 min
When IP Whitelisting Isn't What It Seems: A Real-World Case Study from the Binance API
A case study on how Binance's listenKey design bypasses IP whitelisting, why Bugcrowd dismissed it, and what this teaches us about API secur...
Sep 21, 2026
7 min
I built my own Redis clone in Python to understand how it works
I used Redis for years without knowing what happens after I type SET. So I built a small clone in Python: it speaks the Redis wire protocol,...
Oct 6, 2026
10 min