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Should You Use ClickHouse as a Main Operational Database?

Percona

What if we use ClickHouse (which is a columnar analytical database) as our main datastore? Well, typically, an analytical database is not a replacement for a transactional or key/value datastore. However, ClickHouse is super efficient for timeseries and provides “sharding” out of the box (scalability beyond one node).

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Front-End Testing is For Everyone

CSS - Tricks

Cem Kaner, “Exploratory Testing” (November 17, 2006). Some test types have a test coverage analytic that shows just how much of your code (as a percentage) is looked at by that particular test. At its most basic, testing is an automated tool that finds errors in your development as early as possible.

Testing 95
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Data Mining Problems in Retail

Highly Scalable

most of them are structured as data scientist manuals focusing on algorithms and methodologies and assume that human decisions play a central role in transforming analytical findings into business actions. This framework will later be used to describe analytical problems in a more uniform way.

Retail 152
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Improving The Performance Of Wix Websites (Case Study)

Smashing Magazine

This includes building websites, hosting websites, managing campaigns, SEO, analytics, CRM, and much more. It was founded in 2006 and has since grown to have over 210 million users in 190 countries, and hosts over five million domains. This required a lot of planning and forethought, and quite a bit of trial and error.

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