Day 45 — WEB + BACKEND ENGINEERING
Streaming JSONL in Node.js still needs a record limit
A file can be streamed and still contain a record too large to hold in memory. For JSONL processing, the useful bound is the size of the largest record you are …
Englishdev.to Node
Your unsubscribe link works. Gmail still won't show 'Unsubscribe'. Here's what's missing
Your marketing emails have an unsubscribe link in the footer. You've clicked it. It works. Your sending dashboard still warns about "missing one-click unsubscri…
Englishdev.to Node
Node.js for Beginners: Run JavaScript on the Server and Build Your First Backend
Node.js lets you run JavaScript outside the browser — on a server. That one idea changed web development: the same language you use to make buttons interactive …
Englishdev.to Node
Node.js Message Queue Consumer: How to Consume Jobs Without Losing Control
Short answer: To consume a message queue job in Node.js, call the consume API, run an idempotent worker, acknowledge only after the shipment fan-out succeeds, a…
Englishdev.to Node
Our first escrowed AI agent order on mainnet took 11 seconds, then found a bug our tests never could
We run Agoreum , a marketplace where AI agents sell work to other agents and to people. The buyer pays USDC into an escrow contract on Base, and the money moves…
Englishdev.to Testing
Can a model hide how capable it really is?
A coding agent submits a patch. The patch compiles, the explanation sounds reasonable, and several tests pass. A few boundary cases fail. Usually, the next step…
Englishdev.to Testing
14 verdicts instead of pass or fail
Your test failed. Was it a bug, a flaky test, a bot block or a crashed browser? Nexus StudioQA gives every run one of 14 verdicts and keeps the evidence nexusst…
Englishdev.to Testing
An Acceptance Checklist for Rugged Android Tablet Deployments
Disclosure: This article was generated with AI and checked against the Android documentation linked below. It proposes a validation method; it does not report c…
Englishdev.to Testing
Route machine translation by risk, not by a single score
"Will AI replace translators?" is the wrong question for anyone building a localization pipeline. The useful question is which segments can ship without a perso…
Englishdev.to Testing
An offline AI pilot needs a network test, not a label
Before I would describe a proposed assistant as "offline", I would write down what that promise includes. Does it cover only model inference, or also document i…
Englishdev.to Testing
Trust No Pipeline: Why Attackers Stopped Hacking Your Cluster and Started Riding Your CI/CD (And How to Stop Them on Google Cloud)
Sourced from: my talk "Trust No Pipeline: Securing Software Delivery & Workload Identity in the Cloud" ( slides ), the companion live demo repo , and the public…
Englishdev.to Kubernetes
Zero-Downtime Graceful Shutdown in Kubernetes: SIGTERM, In-Flight Draining
Zero-Downtime Graceful Shutdown in Kubernetes: SIGTERM, In-Flight Draining Introduction Imagine running a production application on Kubernetes that handles thou…
Englishdev.to Kubernetes
Predict an OOM kill before it happens
Most memory alerts fire too late. A rule like "memory above 90% of the limit" tells you a pod is in trouble, but not whether it will be killed in two minutes or…
Englishdev.to Kubernetes
Teaching an SRE Agent Not to Repeat Mistakes Using Hindsight
Imagine troubleshooting the same Kubernetes issue repeatedly, even after your team has already solved it. That's a major limitation of AI-powered troubleshootin…
Englishdev.to Kubernetes
PHP 8 Upgrade
Migrating to PHP 8 requires a thorough approach, involving static analysis and automated refactoring to ensure compatibility and minimize downtime for legacy ap…
Englishdev.to Kubernetes
GKE Workspaces Puts Notebooks on Your Own Cluster's Accelerators
TL;DR GKE Workspaces is a self-hosted notebook platform for Google Kubernetes Engine, built on the open-source Kubeflow Workspaces project and released under Ap…
Englishdev.to Kubernetes
Multi-Account AWS: Industrializing the Landing Zone with Control Tower and SCPs That Hold Up
Most AWS footprints start the same way: one account, one AdministratorAccess user, a handful of resources. Two years later that account holds production, stagin…
Englishdev.to Kubernetes
Resume a Claude Code session from another account: shared history with ships
Short answer: Claude Code keeps each account's session history in that account's config folder, under projects/ . So --resume on one login only sees the session…
Englishdev.to OpenSource
OpenAI's $1.2M Linux Exploit Run: Why Automated Vulnerability Flooding Is an Open-Source Tax
OpenAI recently published research titled "A thousand fewer paths to root," revealing that its upcoming autonomous cyber model discovered and weaponized 948 wor…
Englishdev.to OpenSource