- 5 FRP
- 4 Use of monads
- 4 Debugging
- 3 metaprogramming (template Haskell)
- 2 Monad Transformers
- 2 Arrows and laws
- 2 Haskel type extensions
- 2 parallel programing with MPI
- 1 Rank N types
- 1 Monomorphism restriction
- 1 Type classes
- 1 What is a combinator
- 1 parsing
- 1 writing large programs
- 1 Lenses
- 1 logic and theory of Haskell
- 1 GADTS
- 1 Dependently typed programming in Haskell
- 1 Theorem provers
- 1 The foreign function interface
- 1 catamorphisms
- 1 How to be productive when writing in Haskell
- 1 GPUs
- 1 functional graphs and algorithms