Karol Kuczmarski

Malicious code that crept into event-stream JavaScript library went undetected for weeks.

I am excited to announce the results of the 2017 state of Haskell survey, published by Haskell Weekly! To the 1,335 people that responded to the survey: Thank you! I appreciate your feedback. You c...

For work-related reasons, I had to recently get up to speed on programming in Haskell. Before that, I had very little actual experience with the language, clocking probably at less than a thousand lines of working code over a couple of years. Nothing impr

A debugging story covering such varied topics as ResourceT, monad-control, and different bracket type signatures

…or: Is Rustwebscale? In this day and age, no language can really make an impact anymore unless it enables its programmers to harness the power of the Internet. Rust is no different here. Despite posing as a true systems language (as opposed to those only

Towards the end of my previous post about for loops in Rust, I mentioned how those loops can often be expressed in a more declarative way. This alternative approach involves chaining methods of the Iterator trait to create specialized transformationpipeli

The writing has been on the wall for many months now, but I think the time has come when we can officially declareit. Stable Rust is dead. Nightly Rust is the onlyRust. Saywhat? If you're out of the loop, Rust is this newfangled system programming languag

Today's announcement of Rust 1.12 contains, among other things, this innocous littletidbit: Option implements From for its containedtype If you're not very familiar with it, From is a basic converstion trait which any Rust type can implement. By doing so,

A Promise is an object representing the eventual completion or failure of an asynchronous operation. Since most people are consumers of already-created promises, this guide will explain consumption of returned promises before explaining how to create them

Updated: Code pulled from NPM - which everyone was using