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How to test non-deterministic user flows with Playwright

End-to-end testing and synthetic monitoring of interactive apps and sites is challenging. It's especially tough when non-deterministic flows such as cookie banners or promotion popups interrupt your test automation. This video teaches how to write Playwright tests that handle optional and surprising UI interactions. Note: Stefan decreased the default action timeout in this video to avoid spending time waiting for `click()` to timeout.

How to securely query AWS S3 from ClickHouse

ClickHouse is a powerful analytical database, loading data from an AWS S3 bucket allows you to quickly start analyzing the data without having to download and upload them manually in the database. Writing data to S3 allows you to offload some cold data, while keeping all the hot data in ClickHouse and, with the usage of federated queries, being able to query both hot and cold data at the same time.