crux
fulcro
crux | fulcro | |
---|---|---|
16 | 8 | |
1,475 | 1,519 | |
- | 0.1% | |
9.7 | 8.3 | |
over 2 years ago | 2 months ago | |
Clojure | Clojure | |
MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
crux
- Speeding Up `Atan2f` by 50x
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Bridging the Blockchain / Database Divide (Temporal Graph Queries for Corda)
Hi, a couple of my colleagues spent some time working on this integration with our open source database product (https://opencrux.com), and I'm curious to know - has anyone done similar things to connect Corda with a secondary off-the-shelf query engine?
- Crux 1.18.0 Is Out
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Crux 1.18.0 is out!
For more details, see the release notes.
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Looking for Intermediate & Advanced SQL Users for Research
The context is that I work on on https://opencrux.com, which offers a bi-temporal Datalog query layer (as well as SQL) that more or less addresses the intersection of the two, since Datalog is great for expressing recursive queries.
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How to query Datomic, Datascript, Asami, or other graph databases
I suppose another somewhat important distinction, once again performance related, is that graph databases will typically track index statistics to aid with query planning. For example, Crux uses stored knowledge of attribute-value cardinalities (recently via HyperLogLog) to optimise the join order of a query - this can make a big difference when attempting to traverse large graphs efficiently.
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Free project to practice sql ?
Agreed, recursive querying & bitemporal modelling in SQL are non-trivial problems, and the combination of the two is harder still. For an alternative perspective on tackling such problems I'd suggest looking at Datalog, which makes recursion a breeze, and a database with first-class bitemporality - both of which feature in https://opencrux.com (which I happen to work on :))
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Ask HN: What under-the-radar technology are you super excited about?
I work on Crux so can share a few details about our implementation of Datalog. The query is compiled into a kind of Worst-Case Optimal Join algorithm [0] which means that certain types of queries (e.g. cyclic graph-analytical queries, like counting triangles) are generally more efficient than what is possible with a non-WCOJ query execution strategy. However, the potency of this approach relies on the query planner calculating a good ordering of variables for the join order, and this is a hard problem in itself.
Crux is usually very competent at selecting a sensible variable ordering but when it makes a bad choice your query will take an unnecessary performance hit. The workaround for these situations is to break your query into smaller queries (since we don't wish to support any kind of hinting). Over the longer term we will be continuing to build more intelligent heuristics that make use of advanced population statistics. For instance we are about to merge a PR that uses HyperLogLog to inform attribute selectivity: https://github.com/juxt/crux/pull/1472
[0] https://cs.stanford.edu/people/chrismre/papers/paper49.Ngo.p...
- Bitemporal History
- Git as a NoSql Database
fulcro
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Riff: A “mycelium-clj” for the Clojure ecosystem?
I definitely believe Clojure needs a rails. Not only will it help beginners get started, if it can help people get started faster and build fast like Django and rails do, I think it'll help more with adoption.
Biff and fulcro seems like they have a shot at this
Biff- https://github.com/jacobobryant/biff
Fulcro - https://github.com/fulcrologic/fulcro
- A History of Clojure (2020) [pdf]
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Most commonly used libraries/frameworks in Clojure
A library that is a bit leaning towards a framework is Fulcro, a fullstack library to build SPAs http://fulcro.fulcrologic.com/
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[ANN] London Clojurians Talk: Why you need Fulcro, the web framework to build apps better, faster (by Jakub Holý)
Fulcro (https://github.com/fulcrologic/fulcro) is my web framework of choice whenever I need to create any non-trivial web application thanks to its productivity. Its overarching design goal is sustainable development speed as time goes and code grows and it really shows up. It is developer friendly, with minimal boilerplate, and features you need for any serious application. And it is surprisingly flexible. Fulcro is based on a few simple ideas that combine powerfully to produce a multitude of capabilities, including its Rapid Application Development "add-on". Some people find Fulcro complicated and scary - but it doesn't need to be. Stop choosing "simpler" web frameworks - and ending up implementing half of Fulcro with much more effort and verbosity and much less value. I will present the minimalist way of learning Fulcro with its three corner stones and explain Fulcro's building blocks. After this talk, you will understand the design and value of Fulcro, be motivated to learn it, and equipped to do so quickly.
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Electric Clojure second batch of tutorials - multiplayer chat, backpressure, component lifecycle, todolist
I am curious how this compares to Fulcro both from a conceptual and a usage perspective. Which advantages does this offer over Fulcro?
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Libraries that join front and back end?
Fulcro has a complete "story" for data-driven UIs and backends. https://github.com/fulcrologic/fulcro
- What are some great Clojure libraries, as of 2021?
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Looking for an example of server-side rendering and client-side rendering with Clojure(script)
We do that via Fulcro: render the first frame in CLJ on JVM, then continue with CLJS in browser. The code is a bit dirty and probably won’t tell you much (because I can’t share the whole app), but you can definitely do that.
What are some alternatives?
xtdb - An immutable database for application development and time-travel data compliance, with SQL and XTQL. Developed by @juxt
electric - Local-first sync layer for web and mobile apps. Build reactive, realtime, local-first apps directly on Postgres.
asami - A graph store for Clojure and ClojureScript
electric - a reactive Clojure dialect for web development that uses a compiler to infer the frontend/backend boundary
specter - Clojure(Script)'s missing piece
malli - High-performance data-driven data specification library for Clojure/Script.
materialize - The data warehouse for operational workloads.
reagent - A minimalistic ClojureScript interface to React.js
mergestat-lite - Query git repositories with SQL. Generate reports, perform status checks, analyze codebases. 🔍 📊
mnm - mnm implements TMTP protocol. Let Internet sites message members directly, instead of unreliable, insecure email. Contributors welcome! (Server)
jadak - Web-server for ClojureScript/NodeJS based on Yada