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The REPL

The REPL

Hosted by Daniel Compton

TechnologyInterviews guests

Episodes

56

Latest episode

Jun 2025

Language

EN

About the show

Daniel Compton talks to Clojure and ClojureScript developers about the libraries and systems they have built. They dive into the nitty-gritty details and technical challenges the authors faced.

Listen to episodes

56 recent
June 13, 2025Episode 561 hr 17 min

56: XTDB: A Bitemporal database in Clojure

Jeremy Taylor and James Henderson talk about building XTDB, bitemporality, SQL compatibility, and Apache Arrow. Launching XTDB v2 Grid Dynamics acquires JUXT LSM Tree The Generational Hypothesis JUXT Cast - Viktor Leis HTAP Processing Are We There Yet - Rich Hickey Jepsen Consistency Tree Jepsen Datomic test Jepsen Postgres test Andy Pavlo - CMU Intro to Database Systems sqllogictest

October 18, 2024Episode 5552 min

55: Instant: a modern Firebase in Clojure, with Stepan Parunashvili

Stepan Parunashvili talks about Instant, datalog, building a database in Clojure, and the demands of building modern applications. Instant Datomic Database in the Browser, a spec A Graph-Based Firebase Tonsky (Nikita Prokopov) The Web after Tomorrow WorldStore: Distributed caching with Reactivity - Asana How Figma’s multiplayer technology works Datascript Google CEL: Common Expression Language Amazon Aurora Instant is hiring!

September 17, 2024Episode 5454 min

54: JRuby with Charles Oliver Nutter

Charles Oliver Nutter talks about JRuby, the JVM, JRuby 10, improving JRuby startup time, and going independent. JRuby Headius Enterprises Valhalla - Where Are We? at the JVM Language Summit

April 21, 2024Episode 5333 min

53: Clojure LSP with Eric Dallo

Eric Dallo talks about the LSP protocol, and Clojure LSP. Sorry about the audio quality on this recording, I missed that I was using my MacBook Microphone instead of my podcast microphone. Clojure LSP Langserver.org lsp-mode clj-kondo analysis data clojure-lsp-intellij

April 14, 2024Episode 5258 min

52: Coding in YAML with Ingy döt Net

Ingy döt Net talks about his new programming language YAMLScript, compiling YAML to Clojure, and the development of the YAML format. SML mailing list archive ActiveState Data::Denter Zope Ingy.net personal website Acmeism SnakeYAML / clj-yaml BPAN PST - Package Super Tool YAMLScript docs release-yamlscript file Yes expressions e.g. a(b c) => (a b c) and (a + b) => (+ a b) Deno - capabilities/permissions Advent of YAMLScript New YAML version

March 5, 2024Episode 5157 min

51: Building a text editor with Nate Hunzaker

Nate Hunzaker talks about building a text editor for the web. Slate Lexical beforeInput event Since the podcast was recorded, Whimsical launched our Grammarly integration

February 27, 2024Episode 501 hr 32 min

50: Peter Taoussanis

Peter Taoussanis talks about Sente, Timbre, Carmine, Nippy, Tufte, and many more of his libraries. The work of Peter Taoussanis Encore naming conventions Paul Graham’s A Plan for Spam Quivre Wusoup

December 29, 2023Episode 4932 min

49: Clerk with Martin Kavalar

Martin Kavalar talks about Clerk. Clerk: Moldable Live Programming for Clojure - PX23 paper Source code for the PX23 paper PDF paper from Latex via Pandoc Pandoc https://2023.programming-conference.org/ https://clerk.vision/ https://github.clerk.garden/ https://mybinder.org/ https://daringfireball.net/linked/2012/12/10/bold-poker Úll conference https://boldpoker.net/ https://boldpoker.net/ull https://www.clojuriststogether.org/members/ https://github.com/nextjournal/clerk

September 16, 2023Episode 4849 min

48: Biff with Jacob O'Bryant

Jacob O'Bryant talks about Biff, XTDB, and building a web framework for small teams. Tools for Online Speech - Jacob’s Personal Site Biff website Biff GitHub Biff’s funding announcement Clojurists Together funding announcement XTDB TailwindCSS HTMX Biff upgrade instructions Yakread

January 12, 2023Episode 4754 min

47: Executable textbooks with Sam Ritchie

Sam Ritchie talks about the Mentat Collective, executable textbooks, visual math. Mentat Collective GitHub - read this first to get an overview of all of the pieces. ThinkFun Mark Engelberg Cascalog Google X The Dynamic Notebook Structure and Interpretation of Classical Mechanics SICM free online version maria.cloud Brad Feld, John Underkoffler How to fold a Julia fractal Clerk Sicmutils Scmutils SICM-utils Scicloj meetup Road to Reality Substack

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