ythecombinator/You-Dont-Know-X

🙈 curated list of inspiring resources which show you don't know that much about something you thought you knew.

✨"The mind, once stretched by a new idea, never regains its original dimensions" ✨
~ probably ~ Oliver Wendell Holmes, Sr

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Table of Contents

Pick a knowledge area on which you think you've achieved knowledge enough.

• Math
• Miscellaneous
• Programming Languages
  • Go
  • JavaScript
  • Kotlin
• Programming Languages Theory
  • Compilers
  • General
  • Type Systems and related
  • Meta-Programming
  • Programming Paradigms
    • Functional
    • Object-Oriented
• Security
• Blockchain
• Web Development
  • Front-End Development
    • React

Math

• The Genuine Sieve of Eratosthenes
  • Author(s): Melissa E. O’Neill
  • Tags: functional programming, haskell, lazy, Sieve of Eratosthenes

Miscellaneous

• What happens when...
  • Author(s): Alex Gaynor
  • Tags: DNS, ARP, TLS, HTTP, Browser, HTML, JavaScript, CSS

Programming Languages

Go

• Go is not good
  • Author(s): Maksim Kochkin
  • Tags: poor design, immature languages

JavaScript

• How do Promises Work?

  • Author(s): Quil
  • Tags: promises, asynchronous programming

• On semicolons, pseudo-technical and subjective arguments, revisited

  • Author(s): Quil
  • Tags: Automatic Semicolon Insertion

• Why does ++[[]][+[]]+[+[]] return the string “10”

  • Author(s): xufox
  • Tags: operators, precedence, ECMAScript, spec

• You Don't Know JS (book series)

  • Author(s): Kyle Simpson
  • Tags: ECMAScript, Education, E-books

• Immer, Immutability and the Wonderful World of Proxies (talk)

  • Author(s): Michel Weststrate
  • Tags: proxies, immutability

• Why does JavaScript's await only work within async functions?

  • Author(s): Quil
  • Tags: promises, asynchronous programming

Kotlin

• Kotlin: The Good, The Bad, and the Ugly
  • Author(s): AJ Alt
  • Tags(s): Bad and good things using Kotlin

Programming Languages Theory

Compilers

• If C and C++ give the best performance, why do we still code in other languages?
  • Author(s): Quil
  • Tags: compilers, C, C++, optimisations

General

• Are there any programming concepts not yet implemented? What are they?

  • Author(s): Quil
  • Tags: First-class operatives, Kernel, Algebraic Effect Handlers, Eff,Type-Specific Languages, Wyvern

• What are zero-cost abstractions in programming languages?

  • Author(s): Quil
  • Tags: abstractions, zero-overhead principle, zero-cost abstractions

Type Systems and related

• How can a programming language have no primitive types (i.e. strings, integers, booleans)?

  • Author(s): Quil
  • Tags: primitive types, built-in types, Lambda Calculus

• How are higher-kinded types different from type constructors with parametrized generic types?

  • Author(s): Quil
  • Tags: higher-kinded types

Meta-Programming

• Towards a fully-reflective meta-programming language
  • Author(s):
    • Gregory Neverov,
    • Paul Roe
  • Tags: compilers, object-oriented systems, meta-programming

Programming Paradigms

Functional

• Why is a functional language generally better at concurrency than OO?

  • Author(s): Quil
  • Tags: OO, mutability, side-effects, concurrency

• What are monads, in plain English? (Say, for experienced imperative/OOP language programmers, with no or little background in functional programming)?

  • Author(s): Quil
  • Tags: abstract algebra, monads

Object-Oriented

• Organizing Programs Without Classes
  • Author(s):
    • David Ungar,
    • Craig Chambers,
    • Bay-Wei Chang,
    • Urs Hölzle
  • Tags: prototype-based inheritance

Security

• Why you shouldn't use ENV variables for secret data
  • Author(s): Diogo Mónica
  • Tags: Docker, security

Blockchain

• Learn Blockchains by Building One
  • Author(s): Daniel van Flymen
  • Tags: Blockchain, Cryptocurrency

Web Development

Front-End Development

React

• Why Do React Hooks Rely on Call Order?

  • Author(s): Dan Abramov
  • Tags: Hooks

• A Complete Guide to useEffect

  • Author(s): Dan Abramov
  • Tags: Hooks

• React as a UI Runtime

  • Author(s): Dan Abramov
  • Tags: Renderers, Elements, Reconciliation, Effects