OSS updates March and April 2025

https://blog.michielborkent.nl/oss-updates-mar-apr-2025.html

In this post I'll give updates about open source I worked on during March and April 2025.To see previous OSS updates, go here.SponsorsI'd like to thank all the sponsors and contributors that make this work possible. Without you the below projects...

clojure #clj #cljs [email protected] @clojure

We built real document versioning on top of Git — with full history, point-in-time access, and chronological restoration.
This is the core of #ChronDB.
👇 Here’s how it works under the hood

https://www.moclojer.com/blog/implementing-versioned-document-history-in-chrondb/

moclojer #clojure #gitbased #git #db @clojure

Models are messy

https://ericnormand.substack.com/p/models-are-messy

Our last episode was with Fogus. It was a great episode where we learn from his experience as a core contributor. The next episode is on Tuesday, May 6 with special guest JP Monetta. Please watch us live so you can ask questions in the chat.If you...

clojure #clj #cljs [email protected] @clojure

When You Get to Be Smart Writing a Macro

https://tonsky.me/blog/hashp/

Day-to-day programming isn’t always exciting. Most of the code we write is pretty straightforward: open a file, apply a function, commit a transaction, send JSON. Finding a problem that can be solved not the hard way, but smart way, is quite rare....

clojure #clj #cljs [email protected] @clojure

CIDER 1.18 (“Athens”)

https://metaredux.com/posts/2025/04/30/cider-1-18.html

Great news, everyone - CIDER 1.18 (“Athens”) is out! This is a huge release that has an equal amount of new features, improvements to the existing ones, and also trimming down some capabilities in the name of improved efficiency and...

clojure #clj #cljs [email protected] @clojure

Next-level backends with Rama: personalized content moderation in 60 LOC

https://blog.redplanetlabs.com/2025/04/29/next-level-backends-with-rama-personalized-content-moderation-in-60-loc/

This is part of a series of posts exploring programming with Rama, ranging from interactive consumer apps, high-scale analytics, background processing, recommendation engines, and much more. This tutorial is self-contained, but for broader...

clojure #clj #cljs [email protected] @clojure

Introducing core.async.flow

https://clojure.org/news/2025/04/28/async/_flow

core.async 1.9.808-alpha1 is now available, featuring the first release of core.async.flow. You can read more about core.async.flow in the rationale and the docs. core.async.flow is in alpha state - all APIs are still subject to change but we...

clojure #clj #cljs [email protected] @[email protected]

Towards the cutest neural network and dubious ideas for a code CAD language

https://kevinlynagh.com/newsletter/2025/_04/_towards/_the/_cutest/_neural/_network/

Towards the cutest neural network I recently needed to use a microcontroller to estimate the pose (translation and orientation) of an object using readings from six different sensors. Since the readings were non-linear and coupled with each other,...

clojure #clj #cljs [email protected] @clojure

Introducing core.async.flow

https://clojure.org/news/2025/04/28/async/_flow

core.async 1.9.808-alpha1 is now available, featuring the first release of core.async.flow. You can read more about core.async.flow in the rationale and the docs. core.async.flow is in alpha state - all APIs are still subject to change but we...

clojure #clj #cljs [email protected] @clojure

Building a Bitemporal Index (part 1): A Taxonomy of Bitemporal Data

https://xtdb.com/blog/building-a-bitemp-index-1-taxonomy

clojure #clj #cljs [email protected] @clojure

How to choose the target language for a migration

https://tomassetti.me/how-to-choose-the-target-language-for-a-migration/

How to choose the target language for a migration? There are moments in the life of a software system—and in the life of those responsible for it—when you feel trapped. Trapped by a language that once served you well but now feels like a cage....

clojure #clj #cljs [email protected] @clojure

Automatic Type Conversion in Clojure

https://clojure-diary.gitlab.io/2025/04/27/automatic-type-conversion-in-clojure.html

Code ;; automatictypecasting.clj 42 (type 42) (type 42.5) (+ 42 42.5) (type (+ 42 42.5)) 42.7M (type 42.7M) (+ 42.5 42.7M) (type (+ 42.5 42.7M)) (type (+ 42 42.0)) (type 994824757458783748579437258798745.278375725925479247582945754M) (type (+...

clojure #clj #cljs [email protected] @clojure

Babashka Java interop, reflection and type hints

https://blog.michielborkent.nl/babashka-java-reflection-type-hints.html

Consider the following Clojure code:(def thread-pool (java.util.concurrent.Executors/newCachedThreadPool)) (def fut (.submit thread-pool (fn [] 3))) @fut ;;= ? I didn't use any type hints, but the names of the vars should give you an idea what's...

clojure #clj #cljs [email protected] @clojure

Compiling Clojure to WebAssembly

https://shagunagrawal.me/posts/compiling-clojure-to-wasm-image/

Post about compiling clojure to a web assembly module using GraalVM native image.

clojure #clj #cljs [email protected] @clojure

Clojure Deref (Apr 25, 2025)

https://clojure.org/news/2025/04/25/deref

Welcome to the Clojure Deref! This is a weekly link/news roundup for the Clojure ecosystem (feed: RSS). Thanks to Anton Fonarev for link aggregation. Podcasts, videos, and media Fogus guests on Apropos Clojure 2025-04-22 - apropos...

clojure #clj #cljs [email protected] @clojure

Clojure Deref (Apr 25, 2025)

https://clojure.org/news/2025/04/25/deref

Welcome to the Clojure Deref! This is a weekly link/news roundup for the Clojure ecosystem (feed: RSS). Thanks to Anton Fonarev for link aggregation. Podcasts, videos, and media Fogus guests on Apropos Clojure 2025-04-22 - apropos...

clojure #clj #cljs [email protected] @[email protected]

JSAM: a simple JSON writer and reader

https://grishaev.me/jsam/

JSam is a lightweight, zero-deps JSON parser and writer. Named after Jetstream Sam. Small: only 14 Java files with no extra libraries; Not the fastest one but is pretty good (see the chart below); Has got its own features, e.g. read and...

clojure #clj #cljs [email protected] @clojure

Fixed Order Sorting in Clojure

https://camdez.com/blog/2025/04/23/fixed-order-sorting-in-clojure/

Here’s another tidy bit of Clojure that makes me happy… Of course it’s easy to sort items in the natural order: (sort [1 3 4 2]) ; = (1 2 3 4) Or via a mapping to elements that sort in a natural order: (sort-by count ["xx" "xxx" "x"]) ; = ("x"...

clojure #clj #cljs [email protected] @clojure

An Appearance on Apropos

https://blog.fogus.me/2025/04/23/apropos-me/

I was fortunate to appear on the April 22, 2025 episode of the Apropos podcast...

clojure #clj #cljs [email protected] @clojure