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Contiguous US Breaks Its Record For Hottest Month Ever, NOAA Says

An anonymous reader quotes a report from the Associated Press: The contiguous United States sizzled to its hottest month ever last month, according to the National Oceanic and Atmospheric Administration. July averaged 76.89 degrees Fahrenheit (24.94 degrees Celsius) across the Lower 48 states, eclipsing the Dust Bowl's July 1936 by an eighth of a degree. Records go back to 1895. [...] Although it…

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What Actually Happens When You Put a CDN in Front of Your Website?

If you've worked on web performance for any amount of time, you've probably heard the advice: “Put it behind a CDN.” But what does a CDN actually do between the browser and your server?

  • CDN creates edge servers closer to users, reducing latency
  • Without CDN, user in Singapore accesses US-origin server, increasing latency
  • CDN effectiveness depends on TTL, cache hits/misses, purge mechanism

How We Reset Monthly Quotas Without Race Conditions or Cron Drift

This article was originally published on Jo4 Blog . If you're billing monthly via Stripe or RevenueCat, it's tempting to reset usage quotas inside your webhook handler.

  • Reset monthly quotas without race conditions or cron drift
  • Use Spring Scheduler with 5-minute past midnight UTC cron
  • Instance-level advisory lock prevents simultaneous resets

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