Chris Martin

Chris Martin has asked 64 questions and find answers to 140 problems.

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Teaching Haskell at Type Classes.

Chris Martin questions

Is there a Purescript typeclass generalizing integers?
How do I see the comment on a PostgreSQL constraint?
Do scripts in the document head always execute before DOMContentLoaded fires?
Mapping over a JSON array with Argonaut
Piping commands into the Python REPL
Using @Singleton without @Provides in Dagger
Is there a Scala equivalent of Haskell's Data.These (A, B, or (A and B))?
What is the Python equivalent of Javascript's `Date.prototype.toISOString`?
Why can a non-applicable implicit conversion introduce ambiguity?
Cabal: What does "only already installed instances can be used" mean?

Chris Martin answers

In NixOS, how to run a Haskell executable from the command line?
Warning about possible thrown exceptions in Scala
Precise Multiplication without floating point arithmetic
Why can String not be used in a constraint? [duplicate]
Why SBT gives me "not found: object akka" with "import akka._"?
Any way to DRY up these functions that convert numbers with defaults?
Why can traits in scala.collection create an instance?
haskell quick sort complexity?
how to print the iterations inside a Haskell recursion call?
scala pattern match a function - how to get around type erasure