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What Is the Maximum max-age?

CSS Wizardry

If you wanted to cache a file ‘forever’, you’d probably use a Cache-Control header like this: Cache-Control: max-age=31536000 This instructs any cache that it may store and reuse a response for one year (60 seconds × 60 minutes × 24 hours × 365 days = 31,536,000 seconds ). Does Cache-Control say anything different?

Cache 187
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Migrating Critical Traffic At Scale with No Downtime?—?Part 1

The Netflix TechBlog

Behind the scenes, a myriad of systems and services are involved in orchestrating the product experience. These backend systems are consistently being evolved and optimized to meet and exceed customer and product expectations. This is particularly important for complex APIs that have many high cardinality inputs.

Traffic 339
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MySQL Capacity Planning

Percona

As such, one of the more common questions I get from my clients is whether or not their system will be able to endure an anticipated load increase. Global caches like the InnoDB buffer pool and MyISAM key cache and session-level caches like the sort buffer, join buffer, random read buffer, etc.

Traffic 89
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Seamlessly Swapping the API backend of the Netflix Android app

The Netflix TechBlog

This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI. Functional Testing Functional testing was the most straightforward of them all: a set of tests alongside each path exercised it against the old and new endpoints.

Latency 233
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Interactive Learning Tools For Front-End Developers

Smashing Magazine

On design systems, CSS/JS and UX. CSS Selectors Cheatsheet is an interactive exercise to test your understanding of CSS selectors. The first few are fairly easy but the exercises increase in difficulty as you get into more advanced selectors like lesser-used pseudo-classes. TypeScript Exercises. Grid Garden.

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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. The OpenX SDK was found to be using the ARP cache side channel, and the code makes it clear the authors knew what they were doing.

Systems 74
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How to Assess MySQL Performance

HammerDB

Instead, focus on understanding what the workloads exercise to help us determine how to best use them to aid our performance assessment. Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. Operating System: Ubuntu 22.04 Operating System: Ubuntu 22.04