120 Decks Ordered By Love Count - Lowest First - Chse one - invert order

#	Title	Loves
1	Defining filter using (a) recursion (b) folding (c) folding with S, B and I combinators (d) folding with applicative functor and identity function	6
2	The Functional Programming Triad of fold, scan and iterate	7
3	Imperative Bowling Kata - 20 Years On - Delegating Menial Tasks to Github Copilot Chat - using Scala in IntelliJ IDEA	7
4	AI Concepts - MCP Neurons	8
5	Imperative Bowling Kata - 20 Years On - Delegating Menial Tasks to AI Coding Tool 'Claude Code'	11
6	Combinatorial Interview Problems with Backtracking Solutions - from Procedural to Functional Programming - Part 2	15
7	Combinatorial Interview Problems with Backtracking Solutions - from Procedural to Functional Programming - Part 1	19
8	ApplicativeError functions handling and recovering from errors: A mnemonic to recall their signatures from their names	22
9	Point-free or Die - Tacit Programming in Haskell	25
10	Non-strict functions, bottom, and Scala by-name parameters	28
11	Test Doubles - Terminology, Definitions and Illustrations - with Examples - Part 1	28
12	The Open-Closed Principle - Part 2 - The Contemporary Version - An Introduction	29
13	Drawing Heighway’s Dragon - Part 2 - Recursive Function Simplification - From 2^n Recursive Invocations To n Tail-Recursive Invocations Exploiting Self-Similarity	33
14	Drawing Heighway’s Dragon - Part 4 - Interactive and Animated Dragon Creation	33
15	Drawing Heighway’s Dragon - Part 3 - Simplification Through Separation of Concerns - Rotation Without Matrix Multiplication	33
16	List Unfolding - 'unfold' as the Computational Dual of 'fold', and how 'unfold' relates to 'iterate'	35
17	Folding Cheat Sheet #9 - List Unfolding - 'unfold' as the Computational Dual of 'fold', and how 'unfold' relates to 'iterate'	35
18	De Morgan's Laws are Monoid Homomorphisms	35
19	Addendum to `Monads do not Compose`	36
20	Symmetry in the interrelation of flatMap/foldMap/traverse and flatten/fold/sequence	38
21	Functor Composition	40
22	Fibonacci Function Gallery - Part 1	41
23	Monad as Functor with pair of Natural Transformations	41
24	Scala 3 by Example - Algebraic Data Types for Domain Driven Design - Part 2	43
25	Drawing Heighway’s Dragon - Part 1 - Recursive Function Rewrite - From Imperative Style in Pascal 64 To Functional Style in Scala 3	43
26	Year when lambda functions were introduced in various languages	43
27	Monads do not Compose	44
28	Monad Transformers - Part 1	44
29	From Subtype Polymorphism To Typeclass-based Ad hoc Polymorphism - An Example	44
30	The Nature of Complexity in John Ousterhout’s Philosophy of Software Design	44
31	Function Composition - forward composition versus backward composition	46
32	Fibonacci Function Gallery - Part 2	47
33	Folding Cheat Sheet Series Titles	49
34	‘go-to’ general-purpose sequential collections - from Java To Scala	50
35	Folding Unfolded - Part 5	50
36	Sequence and Traverse - Part 1	50
37	Sequence and Traverse - Part 2	51
38	Arrive at monads by going from composition of pure functions to composition of effectful functions	53
39	Functional Effects - Part 1	55
40	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 2	57
41	Monad Fact #5	57
42	State Monad	58
43	The Uniform Access Principle	58
44	Side by Side - Scala and Java Adaptations of Martin Fowler’s Javascript Refactoring Example	59
45	A sighting of sequence function in Practical FP in Scala	59
46	Folding Unfolded - Part 3	59
47	The Open-Closed Principle - Part 1 - The Original Version	59
48	Fusing Transformations of Strict Scala Collections with Views	59
49	Algebraic Data Types for Data Oriented Programming - From Haskell and Scala to Java	59
50	Monad Fact #3	59
51	The Monad Fact Series	60
52	The aggregate function - from sequential and parallel folds to parallel aggregation	61
53	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 4	62
54	Sierpinski Triangle - Polyglot FP for Fun and Profit - Haskell and Scala	62
55	Functional Effects - Part 2	62
56	Monad Fact #4	63
57	The Debt Metaphor - Ward Cunningham in his 2009 YouTube video	63
58	Scala 3 by Example - Algebraic Data Types for Domain Driven Design - Part 1	63
59	Sequence and Traverse - Part 3	63
60	Natural Transformations	63
61	Folding Cheat Sheet #8 - Folding with monoids	63
62	Folding Unfolded - Part 4	64
63	Game of Life - Polyglot FP - Haskell and Scala - Part 3	64
64	The Sieve of Eratosthenes - Part 1	64
65	Lambda Expressions and Java 8 - Lambda Calculus, Lambda Expressions, Syntactic Sugar, First Class Functions	65
66	Monoids - Part 1 - With examples using Scalaz and Cats	66
67	Sum and Product Types - The Fruit Salad & Fruit Snack Example	66
68	Game of Life - Polyglot FP - Haskell and Scala - Part 2	67
69	Folding Cheat Sheet #5 - Folding a list right and left using Cons and Nil results in the identity and reverse functions	67
70	The Expression Problem Part 2	67
71	Kleisli Composition	67
72	Folding Cheat Sheet #3 - The universal property of fold	67
73	A sighting of traverse_ in Practical FP in Scala	67
74	Writer Monad for logging execution of functions	68
75	Function Applicative for Great Good of Palindrome Checker Function	68
76	Left and Right Folds - Comparison of a mathematical definition and a programmatic one	68
77	Monad Fact #6	68
78	Monoids - Part 2 - With examples using Scalaz and Cats	68
79	Ad hoc Polymorphism using Type Classes and Cats	69
80	Monad Fact #1	69
81	Functor Laws	69
82	Folding Unfolded - Part 1	69
83	Applicative Functor - Part 3	70
84	A sighting of traverseFilter and foldMap in Practical FP in Scala	70
85	Folding Cheat Sheet #2 - Programmatic and mathematical definitions of right fold and left fold	71
86	Applicative Functor - Part 2	71
87	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	71
88	The Functional Programming Triad of map, filter and fold	72
89	Monad Fact #2	76
90	Refactoring: A First Example - Martin Fowler’s First Example of Refactoring, Adapted to Java	78
91	Monad Laws Must Be Checked	78
92	From Scala Monadic Effects to Unison Algebraic Effects	79
93	Function Applicative for Great Good of Leap Year Function	79
94	Folding Unfolded - Part 2	79
95	Refactoring: A First Example - Martin Fowler’s First Example of Refactoring, Adapted to Scala	80
96	Kleisli composition, flatMap, join, map, unit - implementation and interrelation - V2 updated for Scala 3	81
97	Compositionality and Category Theory	84
98	Game of Life - Polyglot FP - Haskell and Scala - Part 1	84
99	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 3	86
100	Folding Cheat Sheet #7 - The three duality theorems of fold	88
101	The Functional Programming Triad of Folding, Scanning and Iteration - A first example in Scala and Haskell	90
102	Computer Graphics in Java and Scala - Part 1	91
103	Quicksort - a whistle-stop tour of the algorithm in five languages and four paradigms	92
104	Tagless Final Encoding - Algebras and Interpreters and also Programs	94
105	Scala 3 enum for a terser Option Monad Algebraic Data Type	96
106	The Expression Problem Part 1	97
107	Applicative Functor - Part 1	98
108	Hand Rolled Applicative User Validation Code Kata	99
109	Functional Core and Imperative Shell - Game of Life Example - Haskell and Scala	100
110	Scala Left Fold Parallelisation - Three Approaches	103
111	The Sieve of Eratosthenes - Part 2 - Genuine versus Unfaithful Sieve	104
112	Computer Graphics in Java and Scala - Part 1b	106
113	A Sighting of filterA in Typelevel Rite of Passage	109
114	Folding Cheat Sheet #1 - Folding over recursively defined data structures for natural numbers and lists	113
115	Nat, List and Option Monoids - From scratch - Combining and Folding - An example	134
116	Definitions of Functional Programming	135
117	Direct Style Effect Systems - The Print[A] Example - A Comprehension Aid	142
118	N-Queens Combinatorial Puzzle meets Cats	146
119	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 1	152
120	Folding Cheat Sheet #6 - Left and right folds and tail recursion	229