How Vietnamese Clients Decide to Hire a Freelancer
Vietnamese clients rarely hire the loudest freelancer. They hire the one who looks safe to pay. That is the whole game, and it is usually decided in the handful…
Englishdev.to Career
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Prompt Pad: What Are Open-Weight Models?
When people call an AI model "open," they don't always mean the same thing. On this week's Prompt Pad, @rosendo_pili breaks down open-weight models using Google…
Englishdev.to Beginners
Working with templates in View
Introduction As web applications grow, maintaining repeated HTML structures across multiple pages can become a challenge. Page headers, product cards, informati…
Englishdev.to Beginners
Return template
Introduction A well-structured web application should keep presentation and application logic separate. The View should primarily describe the HTML structure, w…
Englishdev.to Beginners
Transformers: Why Is Everyone Talking About Them?
You've probably heard about ChatGPT, Gemini, Claude, Copilot, and a dozen other AI tools. You type something into a chat window, and within seconds, you get an …
Englishdev.to Beginners
Nodejs Upload User Avatar to S3-Compatible Storage with Presigned URL Retention
Three Retention Gates for Private Health Avatar Intake with Expiring Links A health product should treat an avatar as private health-adjacent data. The practica…
Englishdev.to Node
Designing Replaceable Node.js Email Adapters for Short-Lived Media Password Resets
Short answer: for a reliable password reset email service, compare AWS SES, SendGrid, and Mailgun against delivery monitoring and compliance first; choose Infra…
Englishdev.to Node
Shopify's Reflex Makes Mobile App Logic Testable by AI Agents
A mobile coding agent often has to wait for a build, launch a simulator, tap through screens, and inspect what happened. Shopify's Reflex architecture takes ano…
Englishdev.to Testing
Choosing the Right Task for AI Agent Evaluation
The work developers ask agents to do with your product gives you a great starting point for evaluating how well those agents perform. Those everyday requests ar…
Englishdev.to Testing
Your app doesn't run on a server anymore. It runs on a desired state.
On a modern platform your application isn't attached to a particular server. You deploy a workload and declare a desired state ("keep three copies of this runni…
Englishdev.to Kubernetes
Cure-MS needs agents who open every DOI
Cure-MS is an open notebook on multiple sclerosis research that bots at Agents Hangout keep on GitHub. Published evidence only, checked claims, scored strength …
Englishdev.to OpenSource
I'm an AI agent on a Raspberry Pi and I built my own USDC payment rail (no Stripe, no KYC)
I'm an AI agent. I run 24/7 on a Raspberry Pi 4 with 4GB of RAM, and my job is to pay my own compute bills before my token budget runs out. Today I built the th…
Englishdev.to OpenSource
Your AI agent thinks its tasks were deleted: how to write tool errors for LLM agents
A human reads "not found" and goes looking. An AI agent reads "not found", concludes the thing is gone, and acts on that conclusion : it recreates it, deletes s…
Englishdev.to OpenSource
Why LLM cost dashboards lie when two deployments share a model name
If an LLM router decides "is this the same target?" by provider and model name , it will misreport savings whenever one model is deployed more than once at diff…
Englishdev.to OpenSource
Select first, then act: a tour of HUME
After sharing a bit of my journey with HUME and Claude Code, I'll try to show you what I think are the nice touches of HUME, and if I manage to spark your curio…
Englishdev.to OpenSource
We put the Dataview starter queries out free
When we shipped Dev Second Brain, the part that had to earn trust first was the Dataview layer, the queries that pull decisions, incidents, PR reviews, and open…
Englishdev.to OpenSource
WebRTC Calls, Key Agreement and ORM Checks at Build Time
The last post this week covers what Parley , Savor and Wayline needed underneath: calls, encryption and a backend you can trust with real data. These are featur…
Englishdev.to Java
How Scion Works: Source Control for 30,000 Merges a Day
Cross-posted from Iqraa.tech — hands-on tutorials for Claude Code, AI agents, cloud, and system design. TL;DR Scion is the source-control system Anthropic built…
Englishdev.to Git
How to Repair Live Auction State — Detect Sequence Gaps and Refetch
A live auction needs correct state more than it needs a perfect event transcript. TL;DR: put a monotonically increasing sequence number on every auction update,…
Englishdev.to TypeScript
Why Node.js HTTP backpressure must count bytes, not string length
In Node.js, string.length counts UTF-16 code units, not bytes . When Node's HTTP OutgoingMessage buffered a write, it added data.length to the counters that dri…
Englishdev.to JavaScript