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Deviant Ollam's two-hour conference talk explains how elevators work, from the pit and buffers to the car top, controller logic and access-control features. It shows how this knowledge can be used for optimization and for bypassing building security.

Paul Irish and Pavel Feldman present the newest Chrome Dev Tools features at Google I/O 2011, including live CSS editing, saving changes, breakpoints and network analysis. It also covers remote debugging.

Ryan Gordon (Icculus) gives a high-level overview of SDL 2.0 at Steam Dev Days 2014. He covers its features and how it eases building, porting and maintaining games, including Linux ports.

Steve Jobs at Apple's 1997 WWDC, shortly after his return, taking developer questions and describing Apple's direction. He discusses the Newton and says to start from the customer experience and work back to technology.

An F8 2015 talk touring the tool-chain Facebook uses to let thousands of engineers build mobile apps, including its move to Mercurial, an Atom-based IDE and continuous integration.

Philip Roberts explains the JavaScript event loop, call stack, callbacks and asynchronous behavior with live visualizations using a tool he built. It demystifies terms like non-blocking and single-threaded.

Greg Baugues tells his story of living with bipolar II and ADHD as a developer at a Ruby conference. He urges openness about mental illness and explains how to get help and support colleagues.

Chris McCord's ElixirConf EU 2019 keynote introducing Phoenix LiveView, which builds interactive server-rendered apps without writing JavaScript. It explains how only changed dynamic parts are sent over a websocket.

Jake Archibald's JSConf.Asia 2018 talk "In the Loop" explains the browser event loop, covering tasks, microtasks, requestAnimationFrame, and how rendering interleaves with JavaScript. It uses visual walkthroughs to show why code runs in surprising orders and why setTimeout fixes are unreliable.

Deviant Ollam and Howard Payne give an in-depth DEF CON 22 explanation of how elevators work, from the pit to the penthouse. It covers their control modes and how pen testers use elevators to bypass building security.

A HOPE X talk giving an in-depth explanation of how elevators work, from their history in hacker culture to using their control systems to bypass building security. It covers features and abilities of elevators that most people never see.

Greg Young's Code on the Beach 2014 talk on CQRS and event sourcing. He argues mature domains are built on facts that occurred rather than current state, and covers the business and technical benefits.

Chris Domas's DEF CON 23 talk on psychological warfare against reverse engineers. He builds code whose disassembly and control flow graphs mislead, intimidate and demoralize anyone analyzing it.

Daniel Dennett gives a Royal Institution talk toward a unified theory of information, tying together evolution, learning and engineering. He argues that design can arise bottom-up through small steps without a designer.

Bruce Hauman presents Figwheel, a ClojureScript tool for live, interactive development with hot code reloading. He explains the main ideas, demonstrates how it works, and shares tricks for getting the most out of it.

Elias Martenson presents his Emacs-based workflow for building a web application (the Potato chat platform) with Common Lisp on the backend and ClojureScript on the frontend. He demonstrates SLIME, Paredit, CIDER and debugger-driven interactive development. The talk is 79 minutes and was given at Emacs SG.

Alexander Bruce's GDC talk on making Antichamber, from working alone in a bedroom to winning acclaim at the IGF. It focuses on the psychological challenge of seven years of solo development.

Alex Ionescu's OffensiveCon 2019 keynote on how reverse engineering is done on Windows without conventional reversing. It covers legal ways to obtain names of variables, exported functions and structures.

Greg Young, who coined CQRS, gives an in-depth GOTO 2014 talk on what event sourcing is, when it is valuable and when it is not, along with its trade-offs and common misconceptions.

Greg Young, who coined CQRS, looks back on a decade of domain-driven design, CQRS and event sourcing at DDD Europe 2016. He discusses where event sourcing applies and how simple its core can be.

Tudor Girba's Curry On! 2019 talk on moldable development, the idea that developers should build custom tools and views for each software system they work on. It draws on the Pharo and Glamorous Toolkit environments.

Martin Fowler's GOTO Chicago 2017 talk on the different things people mean by event-driven architecture. He identifies four patterns, including event notification and event-carried state transfer.

A DEF CON 19 talk by datagram introducing tamper-evident devices. It reviews how seals and similar products are designed and shows that they are often easily defeated, drawing on the DEF CON tamper-evident contest.

Chris McCord's ElixirConf EU 2023 keynote tracing LiveView's evolution from simple form validation to full apps, with code examples and live demos of what 1.0 will offer.

A 2007 Google Tech Talk introducing Polyworld, an artificial life simulator used to evolve artificial intelligence by designing worlds rather than minds. It presents results from ongoing attempts to evolve intelligent behavior.

A HOPE conference talk by Howard Payne and Deviant Ollam on common keys, such as elevator and fire service keys, that open many buildings. It covers physical security weaknesses from shared key standards.

Paul Irish's Chrome Dev Summit 2016 talk surveys the state of the art in Chrome DevTools debugging. It covers workspaces, diffs, CSS coverage, Node debugging, editor improvements and Lighthouse.

Steve Jobs's January 2007 MacWorld keynote segment introducing the original iPhone. He presents it as a widescreen iPod, a phone and an internet communicator in one device.

The full 1997 WWDC session in which Steve Jobs, newly back at Apple, takes developer questions for about an hour. He discusses OpenDoc, Microsoft, clones, Newton, advertising and Apple's strategy.

Ken Shirriff walks through how to reverse engineer integrated circuits from die photos, using famous chips as examples, in a Hackaday SuperConference talk.

Rare footage of Steve Jobs giving a 22 minute presentation about Apple in 1980, donated to the Computer History Museum. In it he explains the company name and the bicycle-for-the-mind idea for computers.

A 1992 MIT Sloan talk and Q&A by Steve Jobs, then CEO of NeXT, covering NeXT's strategy, co-creating Apple, his ouster, and the value of direct experience. It ranges across technology, business and career advice.

Keynote from the 2016 Dart Developer Summit introducing Flutter, Google's toolkit for building mobile apps from one codebase. It shows early demos aimed at native look and feel.

Jonathan Blow's Reboot Develop 2017 talk on making game programming less terrible, discussing software bloat, slowness and the design goals behind his own programming language.

A 2019 Android Dev Summit session on the scoped storage model in Android 10. It gives a plan overview and best practices for apps adapting to the new restrictions.

Biologist Michael Levin explains the bioelectric layer that coordinates cells to build organs and bodies, showing footage of two-headed worms and introducing xenobots. He discusses implications for medicine and the nature of life.

Aaron Bieber, a longtime Vim user, describes his experience trying Emacs with evil mode. He covers what he found, what he missed from Vim, and what Vim could borrow from Emacs.

Greg Kroah-Hartman's Git Merge 2016 talk on how the Linux kernel is developed, how fast it moves, and how git and email workflows keep it manageable. He is the stable kernel maintainer.

Jake Birkett of Grey Alien Games explains at GDC 2016 how an indie developer survived eleven years without a hit by building a long tail of games and redefining success.

Developmental and synthetic biologist Michael Levin speaks at a Harvard Extension student event on bioelectricity, body intelligence and regenerative medicine. He discusses how cell electrical networks guide growth and form.