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Curated by: Xah Lee (862 videos)
Video Summary (Generated by AI, Edited by Human.) The video, "Xah Talk Show 2026-02-24 Ep767. fsharp exploration," features Xah Lee as he works on his F# programming language tutorial, also referred to as his F# learning notes (0:10-0:21). He makes several updates and refinements to his tutorial, focusing on formatting strings (2:11), converting strings to different data types (34:46), and handling named literals (1:01:03). Here's a breakdown of the key topics and discussions: F# String Formatting (2:11-8:12): Xah delves into the printf and sprintf functions in F#, explaining their purpose in formatting values into strings. He criticizes their design, attributing it to conventions inherited from C (4:32), and recommends his video, "C Printf Crime and New Syntax for String: Rock String" (6:38), for a better approach to string formatting. Object-Oriented Programming (OOP) Critique (10:16-19:56): Xah expresses his disdain for OOP, advocating for functional programming instead (11:18). He recommends two articles for further reading: "Object-Oriented Programming Jargons and Complexities" by Xah Lee (17:21) and "History of Object-Oriented Programming" by Casey Muratori (18:20), a renowned game programmer (18:39). Emacs and Xah Fly Keys (20:12-24:11): Xah briefly discusses his Xah Fly Keys, a key-binding system for Emacs that he claims makes Emacs more efficient than Vim or NeoVim (20:41). He also points viewers to his Emacs video tutorials for learning the editor (22:50). String Manipulation in F# (34:46-46:19): The video covers converting strings to integer, float, and byte array types (34:46). Xah also touches on splitting strings into characters, particularly ASCII and Unicode characters (41:13). Named Literals and Constants in F# (1:01:03-1:10:11): Xah explains the concept of named literals, which are compile-time constants, contrasting them with runtime constants (1:02:19). He clarifies how to declare compile-time literals in F#. Random Interludes (27:32-32:51, 1:08:10-1:09:53): The video includes several digressions, such as Xah's thoughts on Twitter's content flagging policies (28:42) and a question from a viewer about what it takes to be middle class (1:08:10).