Programming Tutorials

A Turkish version of this post was originally published on blog.arasmehmet.com. Disclaimer: This is a retrospective analysis of a publicly disclosed

WordPress stores its data in a MySQL database — posts, pages, users, settings. But what if your business data lives somewhere else? Maybe you have a C

Hey DEV community! A few months ago I shared how I built a car rental platform in Moldova. Since then, I've been thinking about something that didn't

Our internal AI agent does in one prompt what used to take ten minutes of clicking through the UI. Users describe an outbound job in natural language,

All tests run on an 8-year-old MacBook Air. You're about to email a contract. It looks clean. But it still has your name, your machine's hostname, t

APEX Code Gen AI-Powered Code Snippet Generator for Developers What it does AI-Powered Code Snippet Generator for Developers

If you've ever wondered how star-history.com plots the growth curve of a repository with 200,000 stars, the answer is: it doesn't — not exactly. GitH

Deep Dive into the Design of JavaScript's Standard Library Table of Contents Introduction Historical Context of JavaScript’s

装饰器模式深度指南：让对象能力动态扩展的艺术 引言 在软件开发的日常中，我们经常遇到这样的需求：需要为某个对象添加新的功能，但又不希望修改原有的类结构。传统的做法是通过继承子类来扩展功能，但这种方式会导致类爆炸问题——每增加一种功能组合，就需要创建一个新的

Your microservice calls an external API. It fails. You add Resilience4j. Now you have 10 transitive dependencies, a 500KB JAR, 3 config classes, and

In the rapidly evolving landscape of quantitative trading and fintech in 2026, market data APIs have become essential infrastructure for both individu

"MCP servers should be tested similarly to web and mobile applications." By the end of this article, you will know the five tests that turn an MCP

Day 1/60: Go backend development setup 60 Day Go Backend Engineering Challenge Today I focused on building a Go backend workspace that mak

I built Inklin because I wanted a better terminal styling experience for Node.js When working on CLI tools, I kept running into the same limitations

AI Artistry Prompt Pack Unlock consistent, stunning AI art with expert prompt templates. What it does Unlock consistent, stunni

在量化交易与金融科技快速发展的 2026 年，行情数据 API 已经成为个人开发者和机构投资者的核心基础设施。选择一个稳定、低延迟、价格合理的股票 API，有时甚至比交易策略本身更能决定成败。然而，面对港股、美股、A 股三个截然不同的市场，API 的选型绝非“一个方案打天下”。本文将从跨境量化视角，

Day 1/60: JavaScript DSA environment setup 60 Day DSA in JavaScript Challenge Today I focused on building a JavaScript setup that makes da

Unlocking the Secrets of the Universe: Insights from the DGCE SIG Seminar The search for answers to humanity's most profound questions has

Transforming Your Obsidian Vault into a Project Manager As a user of Obsidian, you're likely familiar with its powerful note-taking capabil

Day 1/60: Rust DSA environment setup 60 Day Rust DSA Challenge Today I focused on building a Rust workspace that makes daily DSA work fast