Urgent.News

What's breaking now, across thousands of outlets.

More in Tech

Instant Data Scraper Chrome Extension: A Practical Guide to What It Can—and Can’t—Do

You find a directory page with 80 entries. Each entry has a name, category, and website link. You could copy the information by hand—or try a Chrome extension that turns repeated page elements into a…

  • Instant Data Scraper analyzes webpage HTML to identify data fields
  • Users can export results as CSV or Excel files
  • Extension does not guarantee data accuracy or completion

Two Pods, One Job Table: A Safe Postgres Queue with SKIP LOCKED in Spring Boot

It's 10:20 AM on a Monday and support has forwarded three screenshots of the same "Your invoice is ready" email, received three times by one customer. The dashboards look fine.

  • NotificationWorker processed same jobs three times due to lack of locking mechanism
  • FOR UPDATE SKIP LOCKED clause prevents lock contention in PostgreSQL
  • Spring Boot code example demonstrates efficient job queue processing

More from Tuesday 3 November →