#474 – DHH: Future of Programming, AI, Ruby on Rails, Productivity & Parenting

#474 – DHH: Future of Programming, AI, Ruby on Rails, Productivity & Parenting

David Heinemeier Hansson (aka DHH) is a legendary programmer, creator of Ruby on Rails, co-owner & CTO of 37signals that created Basecamp, HEY, & ONCE, and is a NYT-best-selling author (with Jason Fried) of 4 books: REWORK, REMOTE, Getting Real, and It Doesn't Have To Be Crazy At Work. He is also a race car driver, including a class-winning performance at the 24 hour Le Mans race. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep474-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/dhh-david-heinemeier-hansson-transcript CONTACT LEX: Feedback - give feedback to Lex: https://lexfridman.com/survey AMA - submit questions, videos or call-in: https://lexfridman.com/ama Hiring - join our team: https://lexfridman.com/hiring Other - other ways to get in touch: https://lexfridman.com/contact EPISODE LINKS: DHH's X: https://x.com/dhh DHH's Website: https://dhh.dk/ Ruby on Rails: https://rubyonrails.org/ 37signals: https://37signals.com/ DHH's books: Rework: https://amzn.to/44rSKob Remote: https://amzn.to/44GFJ91 It Doesn't Have to Be Crazy at Work: https://amzn.to/46bzuwx Getting Real: https://amzn.to/4kzoMDg SPONSORS: To support this podcast, check out our sponsors & get discounts: UPLIFT Desk: Standing desks and office ergonomics. Go to https://upliftdesk.com/lex Lindy: No-code AI agent builder. Go to https://go.lindy.ai/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex Shopify: Sell stuff online. Go to https://shopify.com/lex NetSuite: Business management software. Go to http://netsuite.com/lex OUTLINE: (00:00) - Introduction (00:58) - Sponsors, Comments, and Reflections (08:48) - Programming - early days (26:13) - JavaScript (36:32) - Google Chrome and DOJ (44:19) - Ruby programming language (51:30) - Beautiful code (1:09:31) - Metaprogramming (1:12:52) - Dynamic typing (1:20:10) - Scaling (1:33:03) - Future of programming (1:50:34) - Future of AI (1:56:29) - Vibe coding (2:05:01) - Rails manifesto: Principles of a great programming language (2:29:27) - Why managers are useless (2:38:48) - Small teams (2:44:55) - Jeff Bezos (3:00:13) - Why meetings are toxic (3:07:58) - Case against retirement (3:15:15) - Hard work (3:20:53) - Why we left the cloud (3:24:04) - AWS (3:33:22) - Owning your own servers (3:39:35) - Elon Musk (3:49:17) - Apple (4:01:03) - Tim Sweeney (4:12:37) - Fatherhood (4:38:19) - Racing (5:05:23) - Cars (5:10:41) - Programming setup (5:25:51) - Programming language for beginners (5:39:09) - Open source (5:48:01) - WordPress drama (5:59:18) - Money and happiness (6:08:11) - Hope

Jaksot(481)

#184 – Katherine de Kleer: Planets, Moons, and Asteroids in Our Solar System

#184 – Katherine de Kleer: Planets, Moons, and Asteroids in Our Solar System

Katherine de Kleer is a professor of Planetary Science and Astronomy at Caltech. Please support this podcast by checking out our sponsors: - Fundrise: https://fundrise.com/lex - Blinkist: https://blinkist.com/lex and use code LEX to get 25% off premium - ExpressVPN: https://expressvpn.com/lexpod and use code LexPod to get 3 months free - Magic Spoon: https://magicspoon.com/lex and use code LEX to get $5 off EPISODE LINKS: Katherine's Website: http://web.gps.caltech.edu/~dekleer/ PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (07:07) - Pluto (12:14) - Kuiper belt (16:12) - How to study planets and moons (19:54) - Volcanoes on Io - moon of Jupiter (32:25) - Is there life in the oceans of Europa? (41:46) - How unlikely is life on Earth? (52:15) - Life on Venus (54:30) - Mars (1:01:17) - What is interesting about Earth as a planet? (1:11:55) - Weather patterns (1:17:04) - Asteroids (1:26:06) - Will an asteroid hit Earth soon? (1:34:50) - Oumuamua (1:50:00) - Book recommendations (1:56:37) - Advice for young people

17 Touko 20212h 2min

#183 – Po-Shen Loh: Mathematics, Math Olympiad, Combinatorics & Contact Tracing

#183 – Po-Shen Loh: Mathematics, Math Olympiad, Combinatorics & Contact Tracing

Po-Shen Loh is a mathematician at CMU and coach of the USA International Math Olympiad team. Please support this podcast by checking out our sponsors: - The Jordan Harbinger Show: https://jordanharbinger.com/lex/ - Onnit: https://lexfridman.com/onnit - BetterHelp: https://betterhelp.com/lex to get 10% off - Eight Sleep: https://www.eightsleep.com/lex and use code LEX to get special savings - LMNT: https://drinkLMNT.com/lex to get free sample pack EPISODE LINKS: Po's Twitter: https://twitter.com/poshenloh Po's Website: https://www.poshenloh.com/ Daily Challenges: https://daily.poshenloh.com/ NOVID: https://www.novid.org/ PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (08:51) - Planes and bridges (12:28) - Writing a computer game from scratch (14:54) - Programming competitions (18:28) - Math is hard (23:59) - Contact tracing that preserves privacy (1:01:16) - Math Olympiad (1:16:57) - Hard math problem (1:24:14) - Is math discovered or invented? (1:29:09) - Intelligence (1:35:59) - Math education (1:40:10) - How to learn math (1:49:06) - Combinatorics (1:52:13) - Voting trees (2:02:36) - Stochastic coalescence (2:12:23) - P=NP (2:16:39) - Tolkien and WWII (2:19:00) - Advice for young people (2:21:05) - Meaning of life

14 Touko 20212h 27min

#182 – John Danaher: The Path to Mastery in Jiu Jitsu, Grappling, Judo, and MMA

#182 – John Danaher: The Path to Mastery in Jiu Jitsu, Grappling, Judo, and MMA

John Danaher is a coach, scholar, and educator of jiu jitsu, submission grappling, judo, MMA, and the martial arts. Please support this podcast by checking out our sponsors: - Onnit: https://lexfridman.com/onnit - SimpliSafe: https://simplisafe.com/lex and use code LEX to get a free security camera - Indeed: https://indeed.com/lex to get $75 credit - Linode: https://linode.com/lex to get $100 free credit EPISODE LINKS: John's Instagram: https://www.instagram.com/danaherjohn PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (07:02) - Fear of death (17:18) - The path to greatness (22:57) - Judo (27:07) - Seoi nage judo throw (39:21) - Fundamentals of jiu jitsu (45:34) - Developing new techniques (53:24) - Value of training with lower belts (1:03:23) - Escaping bad positions (1:10:18) - Submissions (1:14:30) - Reinventing yourself in 5 years (1:30:38) - Drilling (1:49:10) - Leglock system (2:08:44) - How hard is it to break a leg? (2:12:52) - Greatest jiu jitsu player ever (2:17:42) - Roger Gracie (2:22:25) - Gordon Ryan (2:27:16) - Georges St-Pierre (2:36:26) - Superintelligent Robot vs Cyborg Gordon Ryan (3:12:07) - Advice to white belts (3:15:24) - What does it take to get a black belt (3:16:09) - Best martial art for street fighting (3:23:23) - Tie chokes (3:27:44) - Austin (3:32:23) - Meaning of life

9 Touko 20213h 43min

#181 – Sergey Nazarov: Chainlink, Smart Contracts, and Oracle Networks

#181 – Sergey Nazarov: Chainlink, Smart Contracts, and Oracle Networks

Sergey Nazarov is the Co-Founder of Chainlink, a decentralized oracle network that provides data to smart contracts. Please support this podcast by checking out our sponsors: - Wine Access: https://wineaccess.com/lex to get 20% off first order - Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil - Magic Spoon: https://magicspoon.com/lex and use code LEX to get $5 off - Indeed: https://indeed.com/lex to get $75 credit - BetterHelp: https://betterhelp.com/lex to get 10% off EPISODE LINKS: Sergey's Twitter: https://twitter.com/SergeyNazarov Chainlink Website: https://chain.link/ PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (07:56) - Hedgy (08:22) - Digital vs physical world (16:16) - Definitive truth (20:31) - Decentralized finance (29:00) - Smart contracts (35:16) - Hybrid smart contracts and oracle networks (52:02) - Applications of smart contracts (1:10:08) - AI and smart contracts (1:17:40) - What agreements can be turned into smart contracts? (1:28:43) - Privacy (1:39:01) - Trust (1:54:36) - Bitcoin (2:02:50) - Satoshi Nakamoto (2:10:10) - Ethereum (2:15:59) - Chainlink design decisions (2:28:27) - Dogecoin (2:32:44) - Book recommendations (2:44:54) - Advice for young people (2:56:58) - Meaning of life

1 Touko 20210s

#180 – Jeremi Suri: History of American Power

#180 – Jeremi Suri: History of American Power

Jeremi Suri is a historian at UT Austin. Please support this podcast by checking out our sponsors: - LMNT: https://drinkLMNT.com/lex to get free sample pack - Munk Pack: https://munkpack.com and use code LEX to get 20% off - Belcampo: https://belcampo.com/lex and use code LEX to get 20% off first order - Four Sigmatic: https://foursigmatic.com/lex and use code LexPod to get up to 60% off - Eight Sleep: https://www.eightsleep.com/lex and use code LEX to get special savings EPISODE LINKS: Jeremi's Twitter: https://twitter.com/JeremiSuri Jeremi's Website: http://jeremisuri.net This is Democracy Podcast: http://jeremisuri.net/archives/1798 The Impossible Presidency (book): https://amzn.to/2QKC5Jp PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (14:33) - Power of charisma (20:24) - US presidency (31:10) - Aliens (36:17) - Bill Clinton (39:07) - Students of history (43:58) - George Washington (46:44) - Putin (53:27) - FDR (1:08:39) - Henry Kissinger (1:18:32) - Realpolitik (1:30:22) - What is a just war? (1:36:27) - Cold war (1:40:44) - Communism in the United States (1:50:42) - Vaccines and the future of the human species (1:55:57) - Book recommendations (1:57:31) - Learning another language (2:01:58) - Advice for young people (2:08:10) - Grandmother (2:11:03) - Meaning of life

30 Huhti 20212h 14min

#179 – Georges St-Pierre: The Science of Fighting

#179 – Georges St-Pierre: The Science of Fighting

Georges St-Pierre is a martial artist. Please support this podcast by checking out our sponsors: - Allform: https://allform.com/lex to get 20% off - ExpressVPN: https://expressvpn.com/lexpod and use code LexPod to get 3 months free - Blinkist: https://blinkist.com/lex and use code LEX to get 25% off premium - Theragun: https://theragun.com/lex to get 30 day trial - The Information: https://theinformation.com/lex to get 75% off first month EPISODE LINKS: GSP's Twitter: https://twitter.com/GeorgesStPierre GSP's Instagram: https://www.instagram.com/georgesstpierre/ GSP's Facebook: https://www.facebook.com/georgesstpierre GSP's Website: https://www.gspofficial.com PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (08:09) - Love of winning (11:01) - Suffering (12:03) - Fasting (22:01) - Carnivore (28:30) - Fear (36:02) - Strategy (39:12) - Mind games (42:54) - Mental games (48:00) - Science of fighting (1:11:39) - GOAT (1:15:22) - A fight vs Khabib (1:25:03) - Free will (1:28:49) - Consciousness (1:31:05) - AI (1:41:13) - Aliens (1:52:21) - Dreams (1:57:55) - Father (2:02:58) - Life and love (2:17:07) - Advice for young people (2:19:28) - How to learn (2:22:55) - Bruce Lee (2:26:04) - Tie choke (2:32:49) - Best martial art for self-defense (2:37:28) - Meaning of life

26 Huhti 20210s

#178 – Michael Malice and Yaron Brook: Ayn Rand, Human Nature, and Anarchy

#178 – Michael Malice and Yaron Brook: Ayn Rand, Human Nature, and Anarchy

Michael Malice is an anarchist. Yaron Brook is an objectivist. Both are podcasters and authors. Please support this podcast by checking out our sponsors: - Ground News: https://ground.news/lex - Public Goods: https://publicgoods.com/lex and use code LEX to get $15 off - Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil - Brave: https://brave.com/lex - Four Sigmatic: https://foursigmatic.com/lex and use code LexPod to get up to 60% off EPISODE LINKS: Michael's Twitter: https://twitter.com/michaelmalice Michael's Community: https://malice.locals.com/ Michael's YouTube: https://www.youtube.com/channel/UC5tj5QCpJKIl-KIa4Gib5Xw Michael's Website: http://michaelmalice.com/about/ Yaron's Twitter: https://twitter.com/yaronbrook Yaron's YouTube: https://www.youtube.com/user/ybrook Yaron's Website: https://yaronbrookshow.com/ PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (09:43) - Desert island thought experiment (15:00) - Communism (18:30) - Immanuel Kant (19:39) - Donald Hoffman (30:10) - DMT elves (38:52) - Humility (55:45) - Jordan Peterson and religion (1:05:23) - Ben Shapiro: facts don't care about your feelings (1:19:23) - Why Ayn Rand is controversial (1:41:01) - Selfishness (1:44:43) - Communism and fascism (2:11:42) - Authoritarianism (2:20:02) - Bitcoin (2:46:13) - Anarchy debate (3:44:08) - Dangers of communism (3:49:47) - Favorite character in Ayn Rand s Atlas Shrugged (3:58:25) - Advice for young people (4:15:24) - Does love require sacrifice? (4:23:12) - Back to the island

24 Huhti 20210s

#177 – Risto Miikkulainen: Neuroevolution and Evolutionary Computation

#177 – Risto Miikkulainen: Neuroevolution and Evolutionary Computation

Risto Miikkulainen is a computer scientist at UT Austin. Please support this podcast by checking out our sponsors: - The Jordan Harbinger Show: https://jordanharbinger.com/lex/ - Grammarly: https://grammarly.com/lex to get 20% off premium - Belcampo: https://belcampo.com/lex and use code LEX to get 20% off first order - Indeed: https://indeed.com/lex to get $75 credit EPISODE LINKS: Risto's Website: https://www.cs.utexas.edu/users/risto/ PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (06:51) - If we re-ran Earth over 1 million times (10:08) - Would aliens detect humans? (12:46) - Evolution of intelligent life (16:31) - Fear of death (22:47) - Hyenas (26:12) - Language (29:43) - The magic of programming (35:43) - Neuralink (43:15) - Surprising discoveries by AI (46:49) - How evolutionary computation works (58:12) - Learning to walk (1:01:25) - Robots and a theory of mind (1:10:29) - Neuroevolution (1:20:47) - Tesla Autopilot (1:24:11) - Language and vision (1:29:53) - Aliens communicating with humans (1:35:29) - Would AI learn to lie to humans? (1:42:03) - Artificial life (1:46:56) - Cellular automata (1:52:32) - Advice for young people (1:57:09) - Meaning of life

19 Huhti 20212h 2min

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