a tool to analyze and visualize git logs.

Green Day creates workspaces and tests for Atcoder contests

PyaqはPythonのみで実装された囲碁プログラムです。深層学習を学ぶための教育目的のコードです。

Find out unused things from diff

React Example - Product Compare Page

Data Analysis in RUby

Checklist of security precautions for Ruby on Rails applications.

『ゼロから作る Deep Learning』(O'Reilly Japan, 2016)

The open LMS by Instructure, Inc.

Moodle - the world's open source learning platform

Totara contributions to Moodle upstream

Python SDK for the Microsoft Emotion API, part of Cognitive Services

mitamae is a fast, simple, and single-binary configuration management tool with a DSL like Chef

Repeat & Speed buttons for Vimeo HTML5 video.

The AMP web component framework.

A modular Ruby web server interface.

Swift Web Server Gateway Interface

Awesome npm resources and tips

sprockets implemented by node.js

Simple and safe way to dynamically render error pages or JSON responses for Rails apps

PrettyValidation generate validation modules from database schema

Ruby Tricks, Idiomatic Ruby, Refactoring and Best Practices

Distributed machine learning platform

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Packer Templates

Call all Node.js modules directly from DOM/WebWorker and enable a new way of writing applications with all Web technologies.

Code examples for the new features of iOS 9.