In this duo episode, Jason and Patrick introduce us to the world of hash maps, from buckets and hash functions, to differences between open and closed addressing, to minimal perfect hashes and locality sensitive hashing. A familiarity with hash maps is an oft-overlooked but highly sought-after skill, and it can be a valuable asset for those eyeing a career in programming.Along with the main topic, Jason and Patrick also talk about some of their latest interests: books, gadgets, tools and games.This episode touches on the following key topics and ideas:00:01:27 Playing games with Oculus Quest: Acron, Racket: Nx, Gorn, Superhot 00:11:05 News: “I Made a Water Computer” by Steve Mould00:14:56 colinfurze00:15:52 News: Comprehensive guide to Attention Mechanisms00:21:53 News: Starship SN1500:25:18 News: MailSync now Open source (GPL)00:28:34 Jason’s Book of the Show: Elon Musk00:32:04 Patrick’s Book of the Show: Ready Player Two00:33:40 Jason’s Tool of the Show: Datadog00:38:44 Patrick’s Tool of the Show: I Expect You to Die 00:40:30 Escape rooms00:45:39 Sudoku00:48:35 Hash maps: the promise and idea00:50:59 Hash Functions00:52:34 Examples of hash functions: Cryptographically Secure and Non-Crypto01:01:05 Load Factors01:03:43 Open vs Closed Addressing01:15:10 Minimal Perfect Hash 01:16:25 salts01:19:00 Locality Sensitive HashingResources mentioned in this episode:Tools
Mailsync http://mailsync.sourceforge.net/

Mailspring https://getmailspring.com/

Datadog https://www.datadoghq.com/

SHA https://en.wikipedia.org/wiki/Secure_Hash_Algorithms

MD5 https://en.wikipedia.org/wiki/MD5

MurmurHash https://github.com/aappleby/smhashera

xxHash https://cyan4973.github.io/xxHash/

MapReduce https://www.ibm.com/analytics/hadoop/mapreduce

Books
Elon Musk: Tesla, SpaceX, and the Quest for a Fantastic Future by Ashlee Vance 
Ready Player Two by Ernest Cline
Gadgets
Oculus Quest 2 https://www.oculus.com/quest-2/

Oculus Link https://www.oculus.com/accessories/oculus-link/

Games
Acron: Attack of the Squirrels! https://www.resolutiongames.com/acron

Racket: Nx https://www.oculus.com/experiences/quest/2255408847836468

Gorn https://www.oculus.com/experiences/quest/3349689215139117

Superhot https://www.oculus.com/experiences/quest/1921533091289407

I Expect You to Die https://www.oculus.com/experiences/quest/1987283631365460

The Legend of Zelda: Breath of the WIld https://www.zelda.com/breath-of-the-wild/

Videos:
I Made A Water Computer And It Actually Works https://www.youtube.com/watch?v=IxXaizglscw

colinfurze YouTube channel https://www.youtube.com/user/colinfurze

Articles:
Comprehensive guide to Attention Mechanisms https://www.analyticsvidhya.com/blog/2019/11/comprehensive-guide-attention-mechanism-deep-learning/

Starship SN15 https://www.space.com/spacex-starship-sn15-launch-landing-success

MailSync is now Open Source (GPL) https://community.getmailspring.com/t/a-free-open-source-future-for-mailspring/484

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