Programming Tutorials

FOUNDATION: What Makes a Good API? The Core Philosophy An API is a contract. It's not just code — it's a promise to every develo

If you are a developer looking for the best hosting, you already know that speed, stability, and control are not optional. They directly affect how we

Learn the difference between Spring and Spring Boot with practical Java 21 examples, setup guides, REST APIs, benefits, and best practices for beginne

The web is evolving beyond traditional HTTP request-response patterns. Applications increasingly require low-latency, bidirectional communication, unr

Built a JWT Authentication Starter for Spring Boot 🚀 After setting up JWT authentication, filters, token validation, and Spring Security integration

1. The problem Many Java developers looking for a Socket.IO server eventually discover existing implementations, but often encounter: Limited maint

I Built a Local-First AI Toolkit in Pure Rust — Here's What I Learned I got tired of the same cycle every time I wanted to run a local LLM:

Today, I started learning Go(Golang), and I want to note down some key concepts that I think are important to understand and remember. Since this is b

Building a ReAct Chat Agent with the Laravel AI SDK This tutorial walks through how to build a streaming, chat assistant on top of the Lar

Most security scanners check a thing once. You point them at code, they find issues, you fix them, done. That model breaks for MCP servers, and fixing

For a long time, the Factory pattern felt like ceremony to me — an extra class that did nothing my code couldn't already do. Then I thought about ten

Problem Link: https://leetcode.com/problems/two-sum/ The Two Sum problem is one of the most frequently asked coding interview questions. While the br

Your Go struct already describes your API. Let it write the docs too. If you build HTTP APIs in Go, you've lived this: the same endpoint is

TL;DR I replaced a fragile API‑key system with JWT‑based authentication, updated the Swagger UI, hardened the ingestion pipelines, and refa

TL;DR — Leoflow v0.0.2 just shipped, and the headline is one verb: leoflow deploy. It takes a DAG from dag.py on your laptop to a running pod on a Ku

Refresher - I'm building a distributed chunked filestore in Go, and I setup a post for Part 1 here. That part dealt with uploading a file - this post

We built mastacraf, a command-line audio mastering pipeline written in Rust and powered by FFmpeg. The project is designed for self-produced experime

If you told me a few months ago that I would be obsessed with pointers, memory allocation, and low-level strings manipulation, I probably would have l

PDF files contain more information than what appears on the page. Behind every PDF document is metadata that stores information such as the document t

Choosing a stock API looks simple until the project becomes real. At first, you only need a few prices. You send a request, get JSON back, load it int