Dev.to Articles

Updated 2 min ago · 12 articles from Dev.to

Dev.to 22 min ago

"My AI Assistant Could See the Screenshot. Feishu Still Got No Image"

The most confusing delivery bug is not when an image upload fails loudly. It is when the assistant can clearly see the screenshot, tells you it is sending it...

Dev.to 24 min ago

Old Reddit Users Face Inaccessible World Cup Post; Redirect Link Offers Full Content Access

Introduction The Round of 16 clash between Argentina and Egypt in the World Cup was a high-stakes encounter that captivated global audiences. This stage of t...

Dev.to 25 min ago

Piscine Survival Guide: What I'd Tell Myself Before Day 1

A few months into my apprenticeship at Zone01 Kisumu now, and looking back at the Piscine, here's what I wish someone had told me before I walked in. It's no...

Dev.to 26 min ago

The Complete Guide to yait_aichain's Model Registry

Most AI frameworks make you hardcode provider details into every function call. You write openai.ChatCompletion.create(model="gpt-4") in forty places, then O...

Dev.to 30 min ago

That 300% funding APR is not free money: screening for squeeze traps on Binance perpetuals

In late December 2023, TRB went from around $200 to over $600 in a single session on Binance, then collapsed just as fast. Hundreds of millions in short posi...

Dev.to 41 min ago

Understanding RxJS Mapping Operators with a Hospital Story

If you've been learning RxJS in Angular, you've probably come across these four operators: mergeMap concatMap switchMap exhaustMap At first, they all seem to...

Dev.to 44 min ago

Closures in Python Explained by Tracing Through the Code

Closures in Python Explained by Tracing Through the Code Most explanations of closures start with a definition. This one starts with code. Understanding what...

Dev.to 45 min ago

12.4 Million US Business Registrations Are Sitting on State Open-Data Portals, Free

Five US states — New York, Colorado, Pennsylvania, Oregon, and Connecticut — publish their entire business registries as open data with commercial use explic...

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Dev.to 50 min ago

Is True Database Elasticity Still a Myth?

Is True Database Elasticity Still a Myth? A New Reality Unfolds Introduction For years, the promise of truly elastic, "serverless" databases felt like a mira...

Dev.to 52 min ago

"KakaoTalk Source Code for Sale" — Anatomy of a Dark-Web Claim, the Real Target, and the Blast Radius If It's True

id CTI-2026-0708-KAKAO title "KakaoTalk Source Code for Sale" — Anatomy of a Dark-Web Claim, the Real Target, and the Blast Radius If It's True subtitle Not ...

Dev.to 53 min ago

Why Software Can't Tell You It's Wrong

Software architecture debates have a problem that most other engineering disciplines don't: the alternative was never built. When a bridge fails, the failure...

Dev.to 54 min ago

SIGTERM Had Two Owners: Why Our Shutdown Hooks Ran Twice

Originally published at blog.whynext.app. Every deploy dropped the same error into Sentry: Transaction already closed. That's Prisma failing with P2028 when ...