amalloy

amalloy has asked 35 questions and find answers to 593 problems.

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About

I play with Haskell and Clojure, and at work I develop Error Prone and other Java language tooling.

amalloy questions

Why is Postgres scanning a huge table instead of using my index?
How to create a limited version of the IO monad
How can I debug a non-responsive server, when the profiler can't collect samples?
How can I generate Modified http headers with Compojure?
Can I make git merge --ff act like --ff-only?
Working with data types parameterized by a functor
Mutually referring deftypes in Clojure
Why doesn't `coerce` implicitly apply Compose to these functions?
How to use recursion-schemes to `cata` two mutually-recursive types?
How to implement zip with foldl (in an eager language)

amalloy answers

How to use the map function on a vector of maps in clojure
Why does my Clojure import fail?
clojure equivalent of python defaultdict
Creating a list of all possible lists, given each element can take one of n values
Extracting Information from Haskell Object
RejectedExecutionException and clojure concurrency
Clojure: Chaining group-by :key with select-keys on remaining keys
Clojure recursive function
Expression expansion using recursion schemes
Using Haskell map when functions needs an intermediate result