interactive development

David Nolen explains how ClojureScript is used at Vouch.io to build mobile and web software with a single language and REPL-driven workflow. The talk includes a live coding demo of React Native development.

NASASpaceflight's 24/7 live stream from SpaceX's Starbase in Boca Chica, Texas, showing Starship and Super Heavy development, testing and launches.

A five-minute C-SPAN clip of Dr. Jared Cooney Horvath testifying to a US Senate committee that screen time, including in schools, harms children's learning and cognitive development.

Valve's two-hour documentary for Half-Life 2's 20th anniversary, with team members discussing development, nearly running out of money, being hacked, the publisher lawsuit and the birth of Steam.

A five-minute demo of the Common Lisp debugger fixing a bug, recompiling a single function, and resuming execution from the failed stack frame. It shows how to avoid re-running long computations.

A 2023 University of Toronto conversation between Geoffrey Hinton and Fei-Fei Li on responsible AI development. They look back at the history of deep learning and ImageNet and discuss the ethics and risks of AI.

Rich Harris's Svelte Summit 2020 talk on what a modern web development workflow could look like. It announced that Sapper would give way to what became SvelteKit.

Lilium's CTO gives a short update on the electric jet's design, certification and development. It shows the canard and rear wing layout and the wheel design.

Not Just Bikes contrasts traditional and suburban development in North America. It looks at the financials behind each pattern and argues that suburban development leaves cities unable to pay for their own infrastructure.

Lex Fridman interviews MIT physicist Max Tegmark, co-founder of the Future of Life Institute, about the case for pausing giant AI experiments and the risks of advanced AI.

A short demo of interactive AI live painting in Krita using the Stable Diffusion plugin, where canvas changes update the generated image immediately. It uses an LCM sampler for speed and needs a high-end GPU for the interactive feel.

A 35-minute demonstration of NeXTSTEP Release 3 by Steve Jobs. It shows the object-oriented development environment and features such as dragging a live chart between apps.

In Ars Technica's War Stories, Naughty Dog co-founder Andy Gavin explains how the team squeezed Crash Bandicoot onto the original PlayStation. They overwrote Sony library code in RAM, built custom animation compression, and streamed assets around slow seek times.

Jeremy Howard defends Jupyter notebooks as a serious development environment, especially when paired with nbdev. He responds directly to Joel Grus's talk about why he dislikes notebooks, and contrasts REPL-style and notebook-style work.

Fons van der Plas introduces Pluto.jl, a reactive notebook for Julia that tracks references between cells and re-runs affected cells when code changes. The talk was given at JuliaCon 2020.

In an Ars Technica War Stories episode, Prince of Persia creator Jordan Mechner describes how he made the game on the Apple II, fighting hardware memory limits and the platform's decline. It covers the rotoscoped animation and the engineering tricks involved.

David Guillot describes how his team replaced a two-year-old React UI of their SaaS product with Django templates and htmx in a couple of months. The talk gives concrete indicators on code size, performance and team impact.

James Trunk introduces Clojure syntax and thinking, covering its core data structures, immutability, the thread-last macro and live data analysis in the REPL.

TJ DeVries coins the term PDE (Personalized Development Environment) to describe editors like Neovim that you shape to your own workflow. He contrasts this with out-of-the-box IDEs and discusses why customizable tools appeal to developers.

Linus Tech Tips builds a Linux PC together with Linus Torvalds, who talks through parts selection, kernel development and some of his side projects. The conversation also touches on AI in kernel work.

A ten-minute clip from Jonathan Blow's talk on preventing the collapse of civilization, arguing that software quality and the knowledge to build it are in decline.

Adam Robinson-Yu's GDC 2020 talk on how he shelved a big project to prototype what became A Short Hike. He covers the solo development process and technical choices like a pixel shader over low-poly models.

The Godot Engine 2022 showreel of apps and tools built with Godot, with a timestamped list of each project. It shows the engine being used well beyond games.

Internet Historian tells the story of No Man's Sky, from its over-hyped and badly received launch to years of updates by Hello Games that redeemed the game. It is a long, comedic mini-documentary.

Jack Rusher's Strange Loop 2022 talk argues that most programming languages are still designed around punchcard-era assumptions. He makes the case for live, interactive programming environments, drawing on Lisp, Smalltalk and REPL-driven development.

Allan Blomquist demonstrates the internal programming and debugging tools Tomorrow Corporation uses to make games, including live modification of a running game and time-travel debugging.

A /noclip interview with Tarn Adams of Bay 12 Games about Dwarf Fortress: where the ASCII simulation came from, how it works, and the plans for its Steam release. It includes his telling of the famous bug in which cats were poisoned by alcohol.

Myst co-creator Rand Miller recounts how the HyperCard-built game struggled to run on 1x CD-ROM drives. He and his brother Robyn compressed image and audio data heavily to get acceptable performance. Part of Ars Technica's War Stories series.

AngeTheGreat describes building a physically realistic internal combustion engine simulator in C++, drawing on fluid dynamics, physics and chemistry. It generates procedural audio for engines such as a V8.

Herbert Wolverson's Roguelike Celebration 2020 talk surveying procedural map generation techniques, including integration of hand-crafted prefabs and vaults.

Curt Jaimungal interviews biologist Michael Levin of Tufts about consciousness, bioelectricity, emergence, and cancer research. The conversation challenges reductionist views of life.

DHH's opening keynote at Rails World 2024 in Toronto, where Rails 8 beta shipped. It covers built-in authentication, Propshaft, Solid Cache, Solid Queue, Solid Cable, Kamal 2 and Thruster, pitching the One Person Framework that needs no PaaS.

Michael Levin presents his lab's work on how cellular collectives use bioelectric networks to make anatomical decisions. Topics include pattern memories, regeneration and synthetic living organisms.

Andreas Kling ports the game Diablo to SerenityOS, his from-scratch Unix-like operating system, using the devilutionX project. The roughly 80-minute session shows what porting third-party software to the OS involves.

Aaron Francis walks through how PHP has changed from 2012 to 2023, covering traits, array destructuring, generators, typed properties and more. It is a quick chaptered tour of modern PHP features.

CodeParade's short devlog on how spherical geometry looks in 2D and 3D and why it feels so unusual, part of the Hyperbolica series on a non-Euclidean game.

Nicholas Carlini of Anthropic talks at [un]prompted 2026 about how adversaries could misuse current LLMs for attacks. He shows recent models finding zero-day vulnerabilities in heavily tested software, including a SQL injection in Ghost.

Andy Bell's 2022 talk on hinting the browser rather than micromanaging it, using progressive enhancement, CSS layout, fluid type and space, and modern CSS to build resilient front-ends.

A two-hour extended interview in which Crash Bandicoot co-creator Andy Gavin tells how he and Jason Rubin built the game at Naughty Dog. It includes the custom Lisp tools used.

A five-minute video showing how to build a counter in the Imba web programming language in under a minute, then style it.