How Linux Actually Boots: From Firmware to the Login Screen
Chris Roy |
Open a terminal on any systemd machine and run this: systemd-analyze On the laptop I'm writing this on, it says: Startup finished in 5.855s (firmware) + 8.469s (loader) + 3.106s (kernel) + 12.181s (u... read more
What a Machine Learning Model is and How to Make One
Eva J Patel |
Machine learning can sound much more complicated than it actually is. You hear words like models, training, features, datasets, predictions, and algorithms, and it can feel like you need a PhD in math... read more
How to Build a Deployment Checklist That Actually Prevents Production Incidents
Manish Shivanandhan |
Count the items on your deployment checklist. If there are more than a handful, the length is worth a second look. Part of it is likely your team being careful. Part of it may be a record of how much... read more
The Composite Design Pattern: How to Work with Individual Objects and Groups Through the Same Interface
Oluwaseyi Fatunmole |
Structural design patterns deal with how objects are created in terms of their structure and hierarchy. One of the patterns that explicitly helps you manage complex hierarchical scenarios is the Compo... read more
How to Use Gradio with Python: A Complete Beginner-to-Advanced Book
Eva J Patel |
Gradio is one of those Python libraries that makes you wonder why building a web interface ever had to be complicated in the first place. You've probably experienced this before: you write a Python pr... read more
Learn Python Interactively
Beau Carnes |
Python continues to be one of the most versatile, widely adopted programming languages in tech. Because its syntax mirrors plain English, it remains the absolute best place for a beginner to start. We... read more
The Gamepad API Lies to You: A Practical Guide to Reading Controller Input in JavaScript
taimoor bamazai |
The Gamepad API is one of the smallest browser APIs you'll ever use. Four properties, one function, and no permissions prompt. You can have a controller drawn on screen in about fifteen lines. Those f... read more
How to Build an AI Chatbot with Gemini and Vercel Serverless Functions 🚀
Johnson Samuel |
A couple of months back, I built a chatbot application using React, Node.js, and Vercel Serverless Functions, which I used in my web app, buildcv.makeadifference.app. In this tutorial, I'll walk you t... read more
How a System Call Actually Works in Linux
Chris Roy |
Here's a small C program. It calls clock_gettime() three times, then writes five bytes to standard output. #include #include #include int main(void) { struct timespe
... read more
How to Refactor a Legacy Application Before Migrating It
Hugo Teijiz |
The moment a team decides to migrate a legacy application, there's usually pressure to start moving code. Move the database, the API, or the UI. Move the application to a new framework, runtime, cloud... read more