123 Decks - Latest First - Chse one - invert order

1	The Bowling Game - From Imperative to Functional Programming - Part 2
2	The Bowling Game - From Imperative to Functional Programming - Part 1
3	Imperative Bowling Kata - 20 Years On - Delegating Menial Tasks to Github Copilot Chat - using Scala in IntelliJ IDEA
4	Imperative Bowling Kata - 20 Years On - Delegating Menial Tasks to AI Coding Tool 'Claude Code'
5	AI Concepts - MCP Neurons
6	Combinatorial Interview Problems with Backtracking Solutions - from Procedural to Functional Programming - Part 2
7	Combinatorial Interview Problems with Backtracking Solutions - from Procedural to Functional Programming - Part 1
8	Test Doubles - Terminology, Definitions and Illustrations - with Examples - Part 1
9	ApplicativeError functions handling and recovering from errors: A mnemonic to recall their signatures from their names
10	Folding Cheat Sheet #9 - List Unfolding - 'unfold' as the Computational Dual of 'fold', and how 'unfold' relates to 'iterate'
11	List Unfolding - 'unfold' as the Computational Dual of 'fold', and how 'unfold' relates to 'iterate'
12	Drawing Heighway’s Dragon - Part 4 - Interactive and Animated Dragon Creation
13	The Nature of Complexity in John Ousterhout’s Philosophy of Software Design
14	Drawing Heighway’s Dragon - Part 3 - Simplification Through Separation of Concerns - Rotation Without Matrix Multiplication
15	Drawing Heighway’s Dragon - Part 2 - Recursive Function Simplification - From 2^n Recursive Invocations To n Tail-Recursive Invocations Exploiting Self-Similarity
16	Drawing Heighway’s Dragon - Part 1 - Recursive Function Rewrite - From Imperative Style in Pascal 64 To Functional Style in Scala 3
17	Fibonacci Function Gallery - Part 2
18	Fibonacci Function Gallery - Part 1
19	The Debt Metaphor - Ward Cunningham in his 2009 YouTube video
20	From Subtype Polymorphism To Typeclass-based Ad hoc Polymorphism - An Example
21	Folding Cheat Sheet #8 - Folding with monoids
22	Function Applicative for Great Good of Leap Year Function
23	Folding Cheat Sheet #7 - The three duality theorems of fold
24	Folding Cheat Sheet #6 - Left and right folds and tail recursion
25	Folding Cheat Sheet #5 - Folding a list right and left using Cons and Nil results in the identity and reverse functions
26	Hand Rolled Applicative User Validation Code Kata
27	A Sighting of filterA in Typelevel Rite of Passage
28	Direct Style Effect Systems - The Print[A] Example - A Comprehension Aid
29	Folding Cheat Sheet #4 - For functions that can be defined both as a right fold and as a left fold, one may be more efficient than the other
30	Folding Cheat Sheet #3 - The universal property of fold
31	Folding Cheat Sheet #2 - Programmatic and mathematical definitions of right fold and left fold
32	Folding Cheat Sheet #1 - Folding over recursively defined data structures for natural numbers and lists
33	Folding Cheat Sheet Series Titles
34	Scala Left Fold Parallelisation - Three Approaches
35	Tagless Final Encoding - Algebras and Interpreters and also Programs
36	Fusing Transformations of Strict Scala Collections with Views
37	A sighting of traverse_ in Practical FP in Scala
38	A sighting of traverseFilter and foldMap in Practical FP in Scala
39	A sighting of sequence function in Practical FP in Scala
40	N-Queens Combinatorial Puzzle meets Cats
41	Kleisli composition, flatMap, join, map, unit - implementation and interrelation - V2 updated for Scala 3
42	The aggregate function - from sequential and parallel folds to parallel aggregation
43	Nat, List and Option Monoids - From scratch - Combining and Folding - An example
44	The Sieve of Eratosthenes - Part 2 - Genuine versus Unfaithful Sieve
45	Sum and Product Types - The Fruit Salad & Fruit Snack Example
46	Algebraic Data Types for Data Oriented Programming - From Haskell and Scala to Java
47	Defining filter using (a) recursion (b) folding (c) folding with S, B and I combinators (d) folding with applicative functor and identity function
48	The Sieve of Eratosthenes - Part 1
49	The Uniform Access Principle
50	Computer Graphics in Java and Scala - Part 1b
51	The Expression Problem Part 2
52	Computer Graphics in Java and Scala - Part 1
53	The Expression Problem Part 1
54	Side by Side - Scala and Java Adaptations of Martin Fowler’s Javascript Refactoring Example
55	Refactoring: A First Example - Martin Fowler’s First Example of Refactoring, Adapted to Java
56	Refactoring: A First Example - Martin Fowler’s First Example of Refactoring, Adapted to Scala
57	‘go-to’ general-purpose sequential collections - from Java To Scala
58	The Functional Programming Triad of map, filter and fold
59	Functional Core and Imperative Shell - Game of Life Example - Haskell and Scala
60	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 4
61	Quicksort - a whistle-stop tour of the algorithm in five languages and four paradigms
62	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 3
63	Left and Right Folds - Comparison of a mathematical definition and a programmatic one
64	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 2
65	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 1
66	Sierpinski Triangle - Polyglot FP for Fun and Profit - Haskell and Scala
67	Function Applicative for Great Good of Palindrome Checker Function
68	Scala 3 enum for a terser Option Monad Algebraic Data Type
69	Folding Unfolded - Part 5
70	The Functional Programming Triad of Folding, Scanning and Iteration - A first example in Scala and Haskell
71	Folding Unfolded - Part 4
72	The Functional Programming Triad of fold, scan and iterate
73	Folding Unfolded - Part 3
74	Folding Unfolded - Part 2
75	Folding Unfolded - Part 1
76	Game of Life - Polyglot FP - Haskell and Scala - Part 3
77	Game of Life - Polyglot FP - Haskell and Scala - Part 2
78	Game of Life - Polyglot FP - Haskell and Scala - Part 1
79	Scala 3 by Example - Algebraic Data Types for Domain Driven Design - Part 2
80	From Scala Monadic Effects to Unison Algebraic Effects
81	Monad Fact #6
82	Monad Fact #5
83	Monad Fact #4
84	Monad Fact #3
85	Monad Fact #2
86	Monad Fact #1
87	The Monad Fact Series
88	Scala 3 by Example - Algebraic Data Types for Domain Driven Design - Part 1
89	State Monad
90	Applicative Functor - Part 3
91	Applicative Functor - Part 2
92	Functional Effects - Part 2
93	Functional Effects - Part 1
94	Symmetry in the interrelation of flatMap/foldMap/traverse and flatten/fold/sequence
95	Ad hoc Polymorphism using Type Classes and Cats
96	Year when lambda functions were introduced in various languages
97	Function Composition - forward composition versus backward composition
98	Non-strict functions, bottom, and Scala by-name parameters
99	Addendum to `Monads do not Compose`
100	Monad Transformers - Part 1
101	Monads do not Compose
102	Functor Composition
103	Sequence and Traverse - Part 3
104	Sequence and Traverse - Part 2
105	Monoids - Part 2 - With examples using Scalaz and Cats
106	Monoids - Part 1 - With examples using Scalaz and Cats
107	Definitions of Functional Programming
108	Sequence and Traverse - Part 1
109	Abstracting over Execution with Higher Kinded Types, and how to remain Purely Functional
110	Applicative Functor - Part 1
111	Writer Monad for logging execution of functions
112	Kleisli Composition
113	Monad Laws Must Be Checked
114	Point-free or Die - Tacit Programming in Haskell
115	Monad as Functor with pair of Natural Transformations
116	Natural Transformations
117	Functor Laws
118	Compositionality and Category Theory
119	Arrive at monads by going from composition of pure functions to composition of effectful functions
120	De Morgan's Laws are Monoid Homomorphisms
121	Lambda Expressions and Java 8 - Lambda Calculus, Lambda Expressions, Syntactic Sugar, First Class Functions
122	The Open-Closed Principle - Part 2 - The Contemporary Version - An Introduction
123	The Open-Closed Principle - Part 1 - The Original Version