Idempotent schema management for MySQL, PostgreSQL, and more

データサイエンス100本ノック（構造化データ加工編）

Code for my book on Multi-Armed Bandit Algorithms

gRPC Web implementation for Golang and TypeScript

Qiita slide mode embed library

GraphQL is a query language and execution engine tied to any backend service.

The web, with simplicity.

Jasper - A flexible and powerful issue reader for GitHub

GraphQL server with a focus on ease of use

Embed apps in other apps, as if they were components

Practical Gremlin - An Apache TinkerPop Tutorial

RSpec matchers for JSON strings with the power of built-in matchers and composable matchers

Ruby implementation of GraphQL

Dataloader is a generic utility for batch data loading with caching, works great with GraphQL

OpenSheetMusicDisplay renders sheet music in MusicXML format in your web browser based on VexFlow. OSMD is brought to you by PhonicScore.com.

MusicXML specification

Export Mixpanel people properties to an Excel Compatible CSV

An alternative side effect model for Redux apps

Keep your bundle size in check

🌺 A next-generation plugin manager for zsh

Vim motions on speed!

A golang ebook intro how to build a web with golang

Make text objects with various ruby block structures.

How to create an OS from scratch

Simulate user keyboard DOM events in tests.

If you build software, keep a changelog.

A pure Ruby code highlighter that is compatible with Pygments

Vim-fork focused on extensibility and usability

Easy building and installing of Erlang/OTP instances

The Definitive Guide to Elasticsearch