Programming Tutorials

Chain of Responsibility em Java: como transformamos um if de 600 linhas em um pipeline de autorização de pagamentos Padrão comportamental

Ask a coding agent to run a build, and you have just handed a language model the ability to cat ~/.ssh/id_rsa. Prompt-level instructions like "do not

This is a summary of the full tutorial published on howtostartprogramming.in. TL;DR Google Gemini 2.0 Flash API is the ultra‑low‑latency, on‑demand g

Java 26 new features preview and early access guide 2026 — Complete Guide A practical, in-depth guide to Java 26 new features preview and

Java 开发者们，Java 27 即将在本周二（9 月 15 日）正式发布！ Java 每 6 个月一个新版本，虽然节奏很快，但并不是每次更新都值得你停下手里的项目去全量重构。 这篇文章帮大家抓重点： 从 9 个 JEP（JDK 改进提案）中，有哪些是直接能下生产的正式特性？ 哪些默认参数

What this module was really about Plain Spring hands you a powerful toolbox and then asks you to assemble the workshop yourself. You pick t

I just shipped RagLeap Core v0.4.0 after 13 commits in a single day. 480+ commits total, 12 stars, and now it's a production-ready AI Business OS. Wh

Java Concurrency LLD: Build a Custom BlockingQueue From Scratch At Apple and Amazon, implementing a thread-safe BlockingQueue is one of the

A double charge is the payment bug customers actually notice. Two lines on a bank statement, an angry support ticket, and if it's handled badly, a dis

Image Overlap | LEETCODE 835 | Solve In Seconds | Google Microsoft Most Asked Interview 🧠 Want the intuition, not just the code? Join 2,000

The Problem With Cloud AI Every token costs money. Every API call adds up. And your data goes to their servers. The Local Alterna

Java 11 ships with java.net.http.HttpClient, so calling a SERP API from Java needs one small dependency for JSON and nothing else. Here's a client cla

Se você já trabalhou com orientação a objetos por algum tempo, provavelmente já se deparou com este dilema: como adicionar novas funcionalidades a um

Annotation mode keeps requests close to Java, but large integrations raise a fair question: do I want a wall of curl strings inside my service interfa

This is a summary of the full tutorial published on howtostartprogramming.in. TL;DR Claude 3.5 API gives you state‑of‑the‑art language models, simple

Java 21 string templates tutorial with practical examples — Complete Guide A practical, in-depth guide to Java 21 string templates tutoria

I recently wrote about allowlisting actuator endpoints: what to expose and what not to. One question stayed open and kept nagging at me: if you decide

Hace poco escribí sobre allowlist en actuator endpoints: qué exponer y qué no. Quedó una pregunta abierta que me siguió picando: si decidís dejar /act

⚙️ How Java Runs Everywhere: Decoding JDK, JRE, and JVM Java is a high-level programming language used for enterprise applications, web dev

🚀 Java "Hello World" Breakdown A simple, plain-English guide to understanding your first Java program. 📄 The Source Code