Digests » 456

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this week's favorite

GPS

Global Positioning System is, without a doubt, one of the most useful inventions of the late 20th century. It made it significantly easier for ships, airplanes, cars, and hikers to figure out where they are with high degree of accuracy.

An analysis of a gif file and some weird gif features

Yes I am referring to the mainstay common gif you’ll find all over the web at large sites like Google’s owned Tenor or Facebook’s owned giphy. Everyone’s favorite file format for sharing short animated snippets.

How we saved 70K cores across 30 mission-critical services

As part of Uber engineering’s wide efforts to reach profitability, recently our team was focused on reducing cost of compute capacity by improving efficiency. Some of the most impactful work was around GOGC optimization. In this blog we want to share our experience with a highly effective, low-risk, large-scale, semi-automated Go GC tuning mechanism.

Figma for developers

If you're a developer who works with designers, you're already familiar with the infamous "handoff" – that point in the workflow when you start turning wireframes and mockups into code. Even if you're not personally familiar with the process, it's probably unsurprising to hear that this can be a real pain point. This pain can be lessened, however, when both sides have an understanding of what the other will be looking for in the handoff process.

Hate leap seconds? Imagine a negative one

You’d think that I’d be done writing about time, leap seconds and atomic clocks. Heck, *I* thought I was about done writing about those topics already too. But, alas, it was not meant to be. Earth has found a way to drag me back into this fascinating mess.