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JetBrains
Tell us how you use coding tools. You may win a prize! Are you a developer or a data analyst? Share your thoughts about your coding tools in our short survey and get a chance to win prizes!
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cassowary
The original Cassowary constraint solver for user-interface interactions, layout, and more. Used by SCWM, CCSS, and inspired macOS and iOS AutoLayout (by gjbadros)
Cassowary's big differentiator 25+ years ago was that it is robust against cycles in constraints and supported inequalities. Those two facts made it instantly way easier to use than the local-propagation-based solvers that predated it (think spreadsheet-style formulas referencing cells where you can only compute values using equality assignment and you can't create cyclic references).
Cassowary being able to solve that broader class of problems in an efficient and incrementally (using prior solutions to the problem to make subsequent solutions even faster) was why Apple chose it for Autolayout in the later '00s. Their Visual Formatting Language was a nice ease-of-use enhancement, too.
The original cassowary repo is https://github.com/gjbadros/cassowary and there was a nice improved port to Javascript 15 years ago: https://github.com/slightlyoff/cassowary.js/
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Cassowary's big differentiator 25+ years ago was that it is robust against cycles in constraints and supported inequalities. Those two facts made it instantly way easier to use than the local-propagation-based solvers that predated it (think spreadsheet-style formulas referencing cells where you can only compute values using equality assignment and you can't create cyclic references).
Cassowary being able to solve that broader class of problems in an efficient and incrementally (using prior solutions to the problem to make subsequent solutions even faster) was why Apple chose it for Autolayout in the later '00s. Their Visual Formatting Language was a nice ease-of-use enhancement, too.
The original cassowary repo is https://github.com/gjbadros/cassowary and there was a nice improved port to Javascript 15 years ago: https://github.com/slightlyoff/cassowary.js/
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We use a cassowary based constraint solver within Ratatui [1]. It's kind of neat once you understand the algorithm and add your own UI rules system on top of it. Unfortunately the library[2] that we use for the actual solving is unmaintained for many years now. I've been meaning to rewrite[3] a bunch of things in the lib to be more ergonomic, but it hasn't bubbled to the top of my todo list yet.
[1]: https://github.com/ratatui/ratatui/blob/main/ratatui-core/sr...
[2]: https://crates.io/crates/cassowary/
[3]: https://crates.io/crates/kasuari
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
