What’s new in Android’s October 2026 Google System Updates [U]

The double-booking bug I shipped in my Next.js booking app (and how Postgres fixed it)

I build a multi-tenant booking template with Next.js, Drizzle and Postgres. During an audit I found that my "double booking protection" didn't protect anything. Here's the bug, and the fix.

• Double-booking bug flaw in Next.js booking app's protection mechanism
• Postgres advisory locks implemented to serialize bookings per resource
• Timezone bug resolved by converting to UTC using tenant's IANA timezone

2h ago ·dev.to

Spoofing is not stealing: the CVE-2026-104935 authentication problem

Spoofing is not stealing: the CVE-2026-104935 authentication problem A distinction that changes the response Most authentication incidents involve a credential that was supposed to work.

2h ago ·dev.to

Why Old Server CPUs Are Cheap: A Practical Buying Guide

Why Old Server CPUs Are Popular Among Buyers Old server CPUs, often several generations behind the latest models, are highly sought after by buyers looking to save money without significantly…

• Older server CPUs are affordable despite being several generations old.
• Benchmarks show minimal performance loss for general tasks.
• They are energy-efficient, reducing power bills and server cooling strain.

2h ago ·dev.to

A cheap-onboarding trick that works for tiny SaaS: the free-tier cap

For my $5.50 lifetime ScsDriver WebDAV mount tool, I have a 7-day free trial. The trial converts at 14% to paid. After 8 months I tried a tiny change — adding a "trial features used: 3 of 3" cap…

• Limiting trial users to three uses of each feature increases conversion from 14% to 22%, a 57% lift.
• Visible counter displays per-feature counts, creating urgency without feeling punitive.
• Resetting the counter upon upgrading maintains a positive user experience.

2h ago ·dev.to

3M rises after disclosing expanded Amazon data center products relationship

2h ago ·seekingalpha.com