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Connect Claude to a live options-analytics API over MCP (the 2-endpoint gotcha)

FlashAlpha ships two MCP endpoints with the same tool catalogue but different auth, and picking the wrong one is the single most common setup failure. This walks both paths and the errors you will act

dev.to May 29, 2026 Read more →

From Kernel Scheduler to Python Source Line: Tracing a GPU Stall End to End

TL;DR A GPU that reports 97% utilization can still be the slowest part of a training step, and the reason usually lives outside the GPU: a CPU scheduler preemption, a driver-level allocatio

dev.to May 29, 2026 Read more →

Shopify Data Mapping Strategies: Patterns That Prevent Silent Integration Failures

Poor data quality costs $12.9M per year on average (Gartner, 2022). In Shopify integrations, the failure mode is specific: an unmapped field silently drops a value, an incorrect type coercion truncate

dev.to May 29, 2026 Read more →

Copilot is making juniors mass-produce code they can't debug

We have created a generation of developers who are able to write code at a pace that they cannot read. This shouldn't be a skill. By early 2024, over 1.8 million paid subscribers trusted GitHub Copil

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Done means released. Everything else is inventory.

Part 3. Part 1 was trunk-based development. Part 2 was continuous integration. Trunk-based development and CI enable Continuous Delivery. What it is Continuous Delivery means the head of m

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My Productivity System Is a Desktop Wallpaper

Most productivity discussions start with a tool recommendation. Notion. Trello. Jira. Obsidian. Linear. The list never ends. My current productivity system uses none of them. It's a desktop wallpa

dev.to May 29, 2026 Read more →

Building a Multi-Seller Marketplace with Next.js + Whop (No Stripe Connect)

A few weekends ago we built Stax — a multi-seller template marketplace where any signed-in user can become a seller, upload Notion/Figma/Webflow/code templates, set their own price, and start collecti

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Stop Using WebSockets for Everything 🚨

When developers hear "real-time communication," the first thing that comes to mind is usually WebSockets. But here's the thing: WebSockets are not always the best solution. Choosing the wrong real-

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Hey just joined this community, I am the founder of blog2video.app

dev.to May 29, 2026 Read more →

@media css

@media is a CSS rule that applies different styles based on device characteristics (screen size, orientation, resolution, etc.) — the foundation of responsive web design. What use??? @media applies

dev.to May 29, 2026 Read more →

Blog2Video - The story behind it and the journey so far!

The complete inside story behind blog2video.app A few weeks ago, I was sitting in my room, anxious about a problem I had seen for quite some time. I have relied on writing to be the main marketing cha

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UUIDs in Practice — When Auto-Increment Falls Short

Most of us learned databases with auto-increment IDs. id INT AUTO_INCREMENT is in every tutorial. It works — until it doesn't. The Case for Auto-Increment Auto-increment integers are fast,

dev.to May 29, 2026 Read more →

Multi-Tenancy Database Patterns with examples in Go

Multi-tenancy is a fundamental architectural pattern for SaaS applications, allowing multiple customers (tenants) to share the same application infrastructure while maintaining data isolation. Choosi

dev.to May 28, 2026 Read more →

Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL Operator: Backup-Restore and Persistent Volume Reuse

A Percona PostgreSQL operator pgBackRest restore is the simplest way to move off the Crunchy Data PostgreSQL Operator: take a full Crunchy backup, point the new Percona cluster's dataSource at the e

dev.to May 28, 2026 Read more →

Como eu criei uma plataforma de cultura pop usando 100% IA e vibe coding

Nos últimos anos, o desenvolvimento de software mudou completamente. Hoje, é possível criar uma plataforma inteira em produção usando IA, sem precisar de uma equipe gigante ou meses de desenvolviment

dev.to May 28, 2026 Read more →

You Don't Own It: The Quiet Theft of Digital Ownership

There's a word for what Amazon did to Luna this month, and it isn't "evolving." In April 2026, Amazon told Luna customers they could no longer buy games through the service. Worse, the games people h

dev.to May 28, 2026 Read more →

I Built an AI Issue Triage Bot in 500 Lines of TypeScript — Here's How

Every open-source maintainer knows the feeling. You wake up, check your repo, and there are 12 new issues. Half are duplicates, a few are missing reproduction steps, one is a rant disguised as a bug r

dev.to May 28, 2026 Read more →

The const enum that took down our payments

Three minutes That's how long I'd sit there every time I changed a file on our server. Three to four minutes for the dev server to rebuild and come back up. Long enough to check Slack, scro

dev.to May 28, 2026 Read more →

Building Embeddable Browser Games for Website Engagement

Most websites are built to be read. But sometimes, reading is not enough. Visitors land on a page, scroll for a few seconds, and leave. That is common for blogs, business websites, restaurant websi

dev.to May 28, 2026 Read more →

Stop Paying Per Cert. It's Crazy.

Per-certificate pricing isn't certificate management. It's accounting pressure cosplaying as architecture. A certificate is not a luxury item. It is not a seat. It is not a consumable to ration. It i

dev.to May 28, 2026 Read more →
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