Haskell articles are largly gather in this, haskell, debrief, but some related topics are in math/ct (category theory; particularly pertinent to Haskell), cs/plt (programming-language-theory; for concepts related to PLs in general).
- Expression problem
- Specification vs implementation
- Termination in Haskell (Total FP)
- Abstraction opportunities
- Software De# Haskell
- Hints for using GHC
- Denotational semantics
- Benefits of laziness
- Natural numbers
- Predicates in Haskell
- Defunctionalization in Haskell
- Observable Sharing Using Data.Reify
Applying Haskell to real-world problems A dead-simple web stack in Haskell Which type-safe database library should you use? Things software engineers trip up on when learning Haskell Exercises for understanding lenses Fundamental concepts Deriving the State monad from first principles Deriving the Reader monad from first principles Deriving the Writer monad from first principles Monad Transformers 101 Why Monad Transformers Matter How to do basic error handling and logging in Haskell Beginner-level Haskell You are already smart enough to write Haskell The road to proficient Haskell High-level design philosophy How does Haskell make your life easier? Permissive, then restrictive: learning how to design Haskell programs Try the advanced stuff A list of Haskell articles on good design, good testing