Spark style guide

Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.

This is a Refactoring Kata based on the rules of Tennis

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

Scala's Types of Types

Repertoire of datastructures and utilities for competitive programming in Scala

Java tips for codingame multiplayers

Create Better CG Bot in Scala

A curated and opinionated list of resources for Chief Technology Officers, with the emphasis on startups

A collection of inspiring resources related to engineering management and tech leadership

Good-lookin' diffs. Actually… nah… The best-lookin' diffs. 🎉

Simulateur de SASU

Sample code from talk "New types as a solution to primitive obsession"

ebpf profiler for jvm

Advent of Code solutions of 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and 2023 in Scala

Techniques and numbers for estimating system's performance from first-principles

Lat/long to timezone mapper in Java. Does not require web services or data files - just pure Java or Swift.

This is a repository of themes for GNU ls (configured via GNU dircolors) that support Ethan Schoonover’s Solarized color scheme.

sbt plugin to automate Sonatype releases from GitHub Actions

Codingame Challenge Post-Mortem

A Scala library for working with system processes

BigQuery data source for Apache Spark: Read data from BigQuery into DataFrames, write DataFrames into BigQuery tables.

Introduction to concepts of asynchronous and concurrent programming in Scala, based on the Cats Effect library.

A local arena for codingame multiplayer puzzles

A comprehensive Domain-Driven Design example with problem space strategic analysis and various tactical patterns.

Refinement types for Scala

Support SBT plugin for kantan libraries