amalloy

amalloy has asked 37 questions and find answers to 650 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

How to find most-correlated X for each Y?
Anyone using webtest without ant?
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?

amalloy answers

Iterate over all keys of nested map
macro form of clojure.core apply function
Slow parsing CSV file into a map of vectors
Infinite lists that depend on each other in Haskell?
How to traverse the AST using the language-javascript module?
How do I run multiple functions which operate on the same collection, but only traverse the collection once? (clojure, example included)
Thread safe file writing in Clojure
Can you set the field of a record using an IO function (inside a do statement)?
How to chain function calls in Clojure?
squaring a very large BigInteger is very slow