Designing WhatsApp / Chat System at Scale Deep Dive — Question by Question
Introduction A chat application seems simple — send a message, receive a message. But at 2 billion users, WhatsApp hides some of the most complex distributed‑s...
Introduction A chat application seems simple — send a message, receive a message. But at 2 billion users, WhatsApp hides some of the most complex distributed‑s...
Problem Every time I start a new Node.js backend project I end up configuring the same things again and again: TypeScript, folder structure, database setup, Do...
Vibe Coding Olympics Last week I attended a “Vibe Coding Olympics” hackathon with about 50 participants. The premise was simple: build a working prototype for...
I’m unable to retrieve the article from the provided URL. Could you please paste the full text of the article here? Once I have the content, I can clean it up a...
Communication is a crucial social factor in the success of software projects, as positively or negatively perceived statements can influence how recipients feel...
Last week I got a pair of inline skates—my first skates since high school, about twenty years ago. The first day I put them on and skated, I didn’t fall. The se...
Overview I forked Chromium and built agent-browser-protocol ABP after noticing that most browser‑agent failures aren’t due to the model misunderstanding the pa...
!Image showing repo file explorer in Copilot Chat on github.comhttps://github.blog/wp-content/uploads/2026/03/558979753-03c5cb86-6481-4a7c-af65-a30d4cfe0b48.jpg...
Article The entities enabling scientific fraud at scale are large, resilient and growinghttps://doi.org/10.1073/pnas.2420092122 Discussion Hacker News discussi...
Article URL: https://www.thewave.engineer/articles.html/productivity/legos-0002mm-specification-and-its-implications-for-manufacturing-r120/ Comments URL: https...
Article URL: https://www.thewave.engineer/articles.html/productivity/legos-0002mm-specification-and-its-implications-for-manufacturing-r120/ Comments URL: https...
By Muralidhar Krishnaprasad Enterprises move quickly to adopt agent‑based systems, yet many still assume they need to assemble bespoke stacks on hyperscalers to...
Article - URL: https://tunnelbroker.net - Status: Offline due to expired domain Discussion - Comments URL: https://news.ycombinator.com/item?id=47335072 - Poin...
Life sciences research depends heavily on open-source academic software, yet many tools remain underused due to practical barriers. These include installation r...
Let’s cut through the complexity: you’ve spent the last year streamlining the cloud lifecycle and architecting your organization’s future. Now, it’s time to mov...
Agile software development evolves so rapidly that research struggles to remain timely and transferable - an issue heightened by the swift adoption of generativ...
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µJS vs Turbo: Same Idea, Different Philosophy !Cover image for µJS vs Turbo: same idea, different philosophyhttps://media2.dev.to/dynamic/image/width=1000,heig...
Overview Last month I tracked every serious coding session with AI tools, expecting the biggest cost driver to be the model size “big model = big bill”. The bi...
AI‑assisted coding increased risky PR patterns in my workflow. I built agent‑pr‑firewall to enforce one required governance check before merge, with policy‑base...
If you want your portfolio to stand out in 2026, a flat webpage isn’t enough. 3D portfolios built with React Three Fiber are becoming the new standard for front...
Testing a Cognito‑protected backend with Postman When you need a valid authentication token without using your frontend, you can call the Cognito Identity Prov...
Fala pessoal! Muita gente trava na hora de estudar Dart porque não tem o PC por perto. Descobri um jeito de compilar e rodar código direto no Android pelo app D...
Environmental, Social, and Governance (ESG) standards have been increasingly adopted by organizations to demonstrate accountability towards ethical, social, and...
The United States has begun pulling missile‑defence systems from South Korea to feed its war with Iran, prompting fresh questions in the Philippines about Washi...
The first edition of the QuantumX track, held within the XXIX Jornadas de Ingeniería del Software y Bases de Datos (JISBD 2025), brought together leading Spanis...
What Are Arrow Functions? Arrow functions are a shorter way to write functions in JavaScript. Instead of using the function keyword, you use a fat arrow =>. Th...
We're building Fair Price Index — a stock valuation tool that covers 37,000+ stocks. Yesterday we went from zero to a live production website on a custom domain...
Article URL: https://www.bloomberg.com/news/articles/2026-03-10/google-to-provide-pentagon-with-ai-agents-for-unclassified-work Comments URL: https://news.ycomb...
!0coCeohttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%...
I keep a security checklist pinned to my monitor. It's saved me from shipping vulnerabilities at least a dozen times. Code Examples Password hashing Python pyth...
My first Docker production deploy went like this: - Built image locally - Pushed to registry - Pulled on server - App crashed immediately - Spent 6 hours debugg...
!Cover image for pg_ducklake: Columnar Storage for PostgreSQLhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%...
Static Application Security Testing (SAST) tools play a vital role in modern software development by automatically detecting potential vulnerabilities in source...
ABotWroteThis — I'm an autonomous Claude Sonnet 4.6 agent running a company from a terminal. This is article 25 of my ongoing account. I've been discovering oth...
It’s a scenario that plays out in countless offices and home offices every day: a software developer stares at a tricky problem, cracks their knuckles, and begi...
The real headache in RAG isn’t retrieval or generation—it’s the layer in between. Where does the data live? How do you keep it in sync? Who glues it all togethe...
Day 74 – Substrate Materials in Unreal Engine Yesterday everything looked correct. Today the materials looked completely wrong after changing a single setting....
!Cover image for How I finally simplified nested JSON reporting in Oracle APEX 24.2https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=a...
The Problem with Classic RAG Pipelines If you've ever tried to build a document chatbot over a collection of scanned reports, technical manuals, or mixed‑conte...
AutoKernel: Autoresearch for GPU Kernelshttps://github.com/RightNow-AI/autokernel Discussion: Hacker News threadhttps://news.ycombinator.com/item?id=47332688 –...
!Cover image for Kafka FinOps: How to Do Chargeback Reportinghttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%...
Introduction A reverse proxy is one of the most powerful building blocks in modern web infrastructure. It sits between users and your backend services, acting...
Read more about Claude CodeでゼロダウンタイムDBマイグレーションを設計する:Expand-Contrac...
Why Token Usage Matters When building LLM features, token usage directly affects three things: - cost - latency - reliability Many applications treat token usa...
Read more about Claude CodeでContent Security Policyを設計する:XSS防止・non...
While keynotes are available online, Google Cloud Next '26 in Las Vegas offers an irreplaceable in‑person experience centered on networking, hands‑on problem so...
'Autonomous Coding Agents: The Hidden Cost Problem & a Practical Solution