This is the companion repository for the book How Query Engines Work.

TiSpark is built for running Apache Spark on top of TiDB/TiKV

Apache Iceberg

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Performant type-checking for python.

A Data Engineering & Machine Learning Knowledge Hub

Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries.

tesseract-ocrのサンプル

Question2Answer is a free and open source platform for Q&A sites, running on PHP/MySQL.

Automatically exported from code.google.com/p/byte-unixbench

Draw your Japanese writings with a bit of JS and CSS

A PHP extension for Redis

The classic email sending library for PHP

Instant foreign language flashcards (with audio!)

Brotli compression format

Linux kernel source tree

The Apple SDK for Parse Platform (iOS, macOS, watchOS, tvOS)

Codeigniter library for Apple Push Notifications

Standards for developing consistent, flexible, and sustainable HTML and CSS.

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Open source social sign on PHP Library. HybridAuth goal is to act as an abstract api between your application and various social apis and identities providers such as Facebook, Twitter and Google.

HybridAuth - CodeIgniter integration

Notify.js - A simple, versatile notification library

A CodeIgniter Library to Interface with the Memcached cache system

IRCCloud iOS App