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Theory alone won't land you a job. Employers want candidates who have already written production-grade code, debugged real issues, and worked on liv
Learn what Dependency Injection is, why it matters in Spring Boot, and how to implement it using Java 21 with practical examples, REST APIs, and best
Recursion → Memoization → DP Intuition Given an m x n grid, a robot starts at the top-left corner and can only move right or down. Find the
The vatnode.dev API runs on a €6/month VPS. Not a €50/month managed service, not a Kubernetes cluster — a single Vultr instance in Amsterdam with 1 vC
Copilotkit – TypeScript Project: Complete Ai And Automation Use-Cases Guide (2026) How to use AI and automation with Copilotkit – TypeScri
Rails GuardDog: Advanced Security Scanner for Rails Introduction Today I'm excited to announce Rails GuardDog v0.1.0 — an open-s
We shipped a big update to AnimaStage Lite — MMD in the browser (WebGL + WASM) We just pushed a major update to AnimaStage Lite — a browser
Gubernator Orchestrator Update! Just shipped some major improvements examples to Gubernator (the lightweight Go container orchestrator): Premium D
The Go runtime is essentially an implementation of UNIX ideas within a single OS process. The OS process becomes the "Host OS", while goroutines act a
Crucible v1.1.0 — The App-Building Kit Release 🚀 Most component libraries give you a black box: install a package, fight its API, and inher
Given an integer array nums, return all elements that appear more than ⌊n/3⌋ times. Key Observation An element must appear more than n/3 t
React 19 useActionState for Form-Driven AI Features: Building Progressive Enhancement Without JavaScript Frameworks Complexity I've built n
React 19 useOptimistic for Instant UI Feedback: Building Confidence in AI Feature Interactions Without Optimistic Update Complexity I've sh
TypeScript Generics for Polymorphic API Responses: Building Type-Safe Client Code Without Response Union Hell I've built CitizenApp with 9
23 commits, 3 PRs, and a 7-day streak. This week was a balance of deep-diving into Rust CLI logic, refining my Neovim setup, and a massive +4,500 lin
39 commits, 11 PRs, and 50 issues across 5 repos. This week was all about making trx feel like a first-class tool and dumping my entire brain into th
Caching improves application performance by storing frequently accessed data in memory, reducing database calls and response time. Redis is commonly u
最近发布了 xlt-token@1.0.0-rc.1，一个为 NestJS 设计的 Token 鉴权库，灵感来自 Java 生态的 Sa-Token。 仓库：github.com/xiaoLangtou/xlt-token 功能列表看起来不复杂——登录、登出、踢人、权限校验、会话存储——但动手实
A while back I started building Nimble Agent — a LangChain-based coding agent in Python. The idea was to fix the things that annoy me about other AI a
Over the past decade, software infrastructure has moved decisively toward cloud-native architectures. AI agents followed the same path—cloud-hosted mo