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What Is the Maximum max-age?

CSS Wizardry

After all, a year is a very long time in internet timescales. Its content is as follows: c-btn { background-color : #C0FFEE ; } Once our build system has completed, it will fingerprint the file and export it with a unique hash, or fingerprint , in its filename. This post was mostly an exercise in curiosity.

Cache 187
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Interpreting A/B test results: false negatives and power

The Netflix TechBlog

We then used simple thought exercises based on flipping coins to build intuition around false positives and related concepts such as statistical significance, p-values, and confidence intervals. In this post, we’ll do the same for false negatives and the related concept of statistical power.

Testing 202
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Bring Your Own Cloud (BYOC) vs. Dedicated Hosting at ScaleGrid

Scalegrid

These are advanced cloud configurations that allow you to protect your databases from the internet. At ScaleGrid we recommend you deploy your clusters on private VPC subnets so that your database is not routable from the internet. Deploying your application and database on the same VPC also provides the lowest possible latency path.

Cloud 242
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How the Swedish Transport Agency learned distributed systems in six months

Particular Software

We’ve certainly been affected by this shift at Particular with the cancellation of our popular Advanced Distributed Systems Design (ADSD) course this year. We skipped a few sessions (the exercises), but in retrospect we should have watched them all I think. Q: How long did it take? We spent maybe 5 hours each day watching the videos.

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50 ways to leak your data: an exploration of apps’ circumvention of the Android permissions system

The Morning Paper

50 ways to leak your data: an exploration of apps’ circumvention of the Android permissions system Reardon et al., Side-channels are typically an unintentional consequence of a complicated system. USENIX Security Symposium 2019. Each app was then executed on a physical mobile phone equipped with a custom OS and network monitor.

Systems 74
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Google planning a new ‘Badge of Shame’ for slow websites

MachMetrics

Google has announced plans for a new badging system that would let users know whether a website typically loads slowly. With its search engine being easily the most used on the internet, Google has an incredible influence on the web. Most stemmed from Google exercising too much power with this move.

Google 86
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A Decade of Dynamo: Powering the next wave of high-performance, internet-scale applications

All Things Distributed

With these requirements in mind, and a willingness to question the status quo, a small group of distributed systems experts came together and designed a horizontally scalable distributed database that would scale out for both reads and writes to meet the long-term needs of our business. This was the genesis of the Amazon Dynamo database.

Internet 128