!Cover image for How I Built a Lightweight Turn-Based Relay Server with Java 25 Virtual Threads And Reconnect Handlinghttps://media2.dev.to/dynamic/image/width=...
!Cover image for Yotei - Highly modular & customizable SwiftUI calendarhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=a...
Introduction Nobody publishes this data, so we measured it ourselves. Cloud providers share uptime SLAs, pricing calculators, and feature comparison tables, bu...
Introduction Little's Law is a simple formula that connects the number of items in a system, the arrival rate, and the average time an item spends in the syste...
Most language posts sell syntax. Arden is a native systems language built around the feedback‑loop speed: - Native output via LLVM - Strict static checks types,...
Overview 'Rust's rise shows signs of slowing,' argues the CEO of TIOBEhttps://www.tiobe.com/tiobe-index/. Back in 2020, Rust first entered the top 20 of the TI...
!Cover image for How to catch N+1 queries in EF Core before they hit productionhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,...
If you're building a 2D game—whether it's a platformer, a top‑down RPG, or a Friday Night Funkin' mod—you’ll eventually hit a point where managing individual im...
Thread, ThreadPool, Task, Parallel.For, PLINQ – when to use each Concurrency is one of the most misunderstood areas of .NET development. Thread, Task, Parallel,...
Tarihçe ve Gelişim Cloud VPS Sanal Özel Sunucu teknolojisi, internetin evrimi ile birlikte gelişmiştir. İlk sanal sunucular, fiziksel sunucuların kaynaklarını...
!Cover image for I built a 20KB Motion Engine because Svgator,Rive and Lottie were too heavy for the DOMhttps://media2.dev.to/dynamic/image/width=1000,height=42...
Introduction For many years I have been working on business systems where report generation is a critical component. I repeatedly encountered the same problems...
Handling complex queries in Sequelize can get messy—especially when you’re dealing with multiple relationships, one‑to‑many joins, dynamic search & sorting, and...
The Problem They Solve Imagine reading 100,000 records from a database and returning them to the caller. csharp public async Task> GetAllOrdersAsync { return a...
Overview Query Insights gives you built-in visibility into how your database queries behave in production. It is included in Prisma Postgres and works out of t...
JSON won the internet. We all know that. But XML never left — it just moved. Reliability matters more than trendiness. If you work with Maven configs, Android m...
!System Design Basicshttps://dev-to-uploads.s3.amazonaws.com/uploads/articles/90foitsp39ggnb9icyyi.png Most systems don’t start distributed. They start simple a...
Hey dev.to community! 👋 I've been working on a side project for a while now and finally got it to a point where I feel comfortable sharing it publicly. It's ca...
Dependency Hygiene Stop passing objects into React hooks. Reference‑equality issues can cause “silent” re‑render loops that kill mobile performance. The Layout...
Overview I built a tiny event emitter that fixes a bug most people don't know they have: if a handler calls off on itself during emit, the next handler gets sk...
For the past months I’ve been working on a side‑project that started as a tiny experiment and slowly grew into something much bigger — a clean, fast and multili...
The Golden Rule: Animate Transform and Opacity Only tsx // Bad — triggers layout recalculation expensive // Good — GPU‑composited, no layout cheap Properties t...
Why Nextcloud Often Feels “Slow” Nextcloud has a reputation in some circles for being “slow.” In practice, the software itself is rarely the problem. Most perf...
Project Overview I'm looking for a strict code review of my pet project — a user management application. The app allows viewing, editing, archiving, and hiding...
It Started with a Simple Question “How fast is it?” That’s the question I always ask when I write a Python package. Not “does it work?”—because obviously it wo...
Why make this post It was a problem I faced myself and couldn't find a direct answer to: “How do I eager load if a user has liked a post? If a user is already...
!https://9to5mac.com/wp-content/uploads/sites/6/2025/12/ios-18-26-icons.jpg?quality=82&strip=all&w=1600 iOS 26 introduced a major new Liquid Glass design that,...
Introduction Imagine a user opens your Android app, taps a button, and nothing happens. The screen freezes. After a few seconds, Android shows Application Not...
Introduction Many teams default to relational databases because they are familiar and versatile. For business systems, that choice is often correct. But when t...
25 Practical C Tips I Wish I Knew Earlier After 20+ years working with C, I’ve collected small lessons that made a huge difference in how I write code. Some sa...
A few months ago I attended a React conference and realized something uncomfortable: I'd been writing React for years and I was doing it wrong. Not 'broken' wro...
What is cache? Think of cache as temporary files, such as images, scripts, and other resources, that help apps and websites load faster. Clearing cache removes...
Start With Structure, Not Design It’s tempting to begin with UI ideas, layouts, and visual identity. For content‑heavy sites, that’s usually the wrong starting...
Introdução Uma dúvida bastante comum entre desenvolvedores que utilizam Windows é: é possível configurar o WSL Windows Subsystem for Linux para rodar em um HD...
I built permzplus, a 2 KB authentication engine with zero dependencies and a 100/100 Socket quality score. It replaces recursive graph‑walking with a one‑pass l...
When adding async support to our Python durable execution libraryhttps://github.com/dbos-inc/dbos-transact-py, we ran into a fundamental challenge: durable work...
Overview navigator.hardwareConcurrency and therefore os.availableParallelism now routes through WTF::numberOfProcessorCores instead of an inline sysconf/sysctl...
How Does React Fiber Render Your UI A single setState call kicks off a surprisingly sophisticated process. This explainer covers how React Fiber: - Organizes y...
Ecommerce growth rarely fails because of weak demand. More often, it fails because the underlying system cannot handle scale. Many businesses launch quickly wit...
Introduction NumPy is a highly popular Python package. One of its best features is the NumPy array officially known as ndarray. You can think of it as a cleane...
Why My “Lightning Fast” Spring Boot Native App Took 9 Seconds to Boot on Fly.io We’ve all heard the promise of GraalVM and Spring Boot Native: sub‑second cold...
When we talk about database performance in .NET, we often compare ORMs as if they were interchangeable. In practice, the API shape matters just as much as the i...
React made building user interfaces easier than ever. Components, hooks, state management, and reusable logic let developers move fast and build powerful applic...
What You Will Learn By the end of this walkthrough, you will know how to diagnose and fix the three most common sources of frame drops in Compose Multiplatform...
Article URL: https://fff.dmtrkovalenko.dev/ Comments URL: https://news.ycombinator.com/item?id=47609752 Points: 3 Comments: 2...
The Problem Microsoft is changing how .NET runs inside WebAssembly. When you enable threading with xml true the entire .NET runtime moves off the browser's mai...
The problem in 30 seconds Node.js doesn't tell you why startup is slow. You get one number — total boot time — and zero breakdown. Meanwhile: - A single requir...
