Insane(ly slow but wicked good) PNG image optimization

Profiler for your development and production Ruby rack apps.

Go faster, off the Rails - Benchmarks for your whole Rails app

memory_profiler for ruby

💨 Writing Fast Ruby 😍 -- Collect Common Ruby idioms.

The simplest way to group temporal data

A collective list of free APIs

No Longer Maintained - A lightning fast JSON:API serializer for Ruby Objects.

An opinionated framework for creating REST-like APIs in Ruby.

System design interview for IT companies

Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala

Starting code for the GildedRose Refactoring Kata in many programming languages.

Ruby wrapper for the LinkedIn OAuth2 API

Tutorial: Natural Language Processing in Python

A very brief introduction to Natural Language Processing programming in Python

a unified interface to key/value stores

🛒 Solidus, the open-source eCommerce framework for industry trailblazers.

Break Apart Documents into Images, Text, Pages and PDFs

Nostalgic collection of Alex Dowad's old Ruby code

All Algorithms implemented in Python

A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and Da…

Feature flippers.

An awesome replacement for acts_as_nested_set and better_nested_set.

Coding exercises and Problem Sets for MITx: 6.00.1x Introduction to Computer Science and Programming Using Python, EdX, Aug-Nov 2016

YARD is a Ruby Documentation tool. The Y stands for "Yay!"

TensorFlow Tutorial and Examples for Beginners (support TF v1 & v2)

Curated list of project-based tutorials

Python初学者（零基础学习Python、Python入门）书籍、视频、资料、社区推荐

The Incredible PyTorch: a curated list of tutorials, papers, projects, communities and more relating to PyTorch.

Ruby FFI