Notes.

Long time between drinks for The REPL. There’s been family illness + work stuff that delayed me writing, but it’s back now.

-main

• Performance improvements to CLJS hash-maps from Promptworks
• Developing the language of the domain

Libraries & Books.

• Matthew Jaoudi mixes up some baking-soda for combining Reagent and Reactstrap
• spec-provider infers a spec based on sample data
• restpect does integration tests for HTTP APIs
• datofu provides common utilities for Datomic

People are worried about Types. ?

• Criss seems a bit worried about Haskell’s runtime type errors
• Martin Trojer thinks “All roads lead to Haskell”

Foundations.

• Truffle Ruby on the substrate VM
• How many Cloud data centre regions are needed world-wide? James Hamilton (Distinguished Engineer at AWS) thinks 10^3.
• The true impact of modular Java

Tools.

• Introducing Gradle build cache

Recent Developments.

• The big Clojure news this week was Clojure 1.9 split spec out into its own library to help Clojure 1.9 move towards production while keeping spec in alpha.
• Much (all?) of Clojure’s infrastructure is now served over HTTPS
• Var serialisation serialises identity, not value

Learning.

• Techniques for Efficiently Learning Programming Languages
• Making software testing easier with Clojure
• On the judicious use of core.async