Programming Tutorials

MCP Security Is Broken Reading time: ~10 minutes Three CVEs. One major breach. One week. The Model Context Protocol is spreading faster th

Implementing Spring Batch Multi-Step Job with Conditional Flow A comprehensive guide to creating Spring Batch jobs with multiple steps and

O problema Todo dev brasileiro que já tentou construir algo em fintech, trading, análise macro ou planejamento financeiro passou por isso:

🛒 Build a Full E-Commerce App with Flask & React (Complete Tutorial) In this tutorial, you’ll build a full working e-commerce system with:

Most people think hybrid search in RAG is just "run BM25 and vector search, combine the results." There are actually 15 distinct engineering decision

Merging several DOC documents into a single file can quickly become a headache when you have to preserve complex formatting, embedded images, and cust

During my first week working with Golang, I focused less on basic syntax and more on applying familiar backend engineering principles within a new eco

If you're still picking LLM providers by gut feeling, you're leaving money on the table. I ran 5 developer use cases through Claude 3.5 Sonnet, GPT-4o

How to Build a Real-Time Crypto Trading Bot with Node.js What if your trading bot could execute 847 trades while you sleep? That's what I b

When I started building spectr-ai, it only worked with Claude. The Anthropic SDK was hardcoded everywhere — in the analysis function, the prompt forma

Integrating DeepSeek R1 into Your React App DeepSeek R1 is a cutting-edge AI API that provides advanced capabilities for natural language p

You've built a React app. Your users speak different languages. You know you need i18n but the setup feels like a weekend project. It doesn't have to

Vue.js hit 6.4 million weekly npm downloads recently. The framework itself is solid. But the tools around it are what make you productive. Whether yo

If you are building an AI agent that needs Singapore product data, you have two choices: scrape it yourself, or use BuyWhere. Here is an honest compar

Apuntes de programación en Español de Django: relaciones Muchos a muchos (many to many) entre modelos: https://raw.githack.com/manuelcanga/piensa-e

FastAPI is the default Python web framework in 2026 — 38% of Python teams ship on it, up from 29% a year ago. That means a lot of greenfield projects

IT InstaTunnel Team Published by our engineering team SaaS on a Laptop: Monetizing Local AI Models with Token-Gated Tunnels SaaS on a Laptop: Monetizi

A Data Transfer Object (DTO) is a design pattern used in NestJS to define how data is structured and transferred between different layers of an applic

How panic for programming errors, error for user input, CONTRACT comments, checkContracts() invariant methods, and sorted-slice preconditions create a

TL;DR: NestJS is a progressive Node.js framework for building server-side applications. Built on top of Express (or Fastify), it provides an opiniona