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Apache Arrow is a cross-language development platform for in-memory data. It specifies a standardized language-independent columnar memory format for flat and hierarchical data, organized for efficient analytic operations on modern hardware. It also provides computational libraries and zero-copy streaming messaging and interprocess communication. Languages currently supported include C, C++, Java, JavaScript, Python, and Ruby.

Apache arrow

A game to teach functional programming concepts

Automatically exported from code.google.com/p/music-practice-tools

Generate RSS feeds on-the-fly for sites which don't otherwise support them

Resources for Arrow Summit 2025 (PyData Paris 2025)

A basic Python->LLVM specializer, based on http://dev.stephendiehl.com/numpile/

A computer algebra system written in pure Python

Rust implementation of "An Incremental Approach to Compiler Construction"

A minimal, intentionally inaccurate RISC-V ISA simulator in Rust (mirror of https://git.lidavidm.me/rustv/)

A Rust/terminal homage to LEGO's old browser game, "Spybotics: The Nightfall Incident" made for the 2016 Github Game Off

Learn OOP/Python through a hybrid visual and code interface. A Cornell class project.

Simple Python text game

WebGL toolkit

Ace (Ajax.org Cloud9 Editor)

emacs config

The official source code repository for the calibre ebook manager

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Config files for my GitHub profile.

Partial implementation of Hunter's Insertion Minimalist Grammars

A basic roguelikelike in Rust

Learning OpenGL/gfx-rs through a simple space shooter game

StackOverflow-like site in Haskell and Yesod

re/hack - Canvas/TypeScript clone of Lego's "Spybotics: The Nightfall Incident"

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The source for the code at live.sympy.org

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A classy JavaScript class library

Go MySQL Driver is a MySQL driver for Go's (golang) database/sql package

dbc is the command-line tool for installing and managing ADBC drivers

A lightweight tool to report on the licenses used by a Go package and its dependencies. Highlight! Versioned external URL to licenses can be found at the same time.

ADBC-compatible driver for Exasol with Apache Arrow data format support. Written in Rust 🦀

the official Rust and C implementations of the BLAKE3 cryptographic hash function

Google Cloud Client Libraries for Go.

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The web-based visual programming editor.

PostgreSQL driver and toolkit for Go

GO DRiver for ORacle DB

Code/slides for PyCon Japan 2025 presentation

Microsoft SQL server driver written in go language

Header-only TOML config file parser and serializer for C++17.

Official Rust implementation of Apache Arrow

Autodoc-style extraction into Sphinx for your JS project

A conda-smithy repository for arrow-adbc-split.

Apache Iceberg

Apache Iceberg C++

Go Snowflake Driver

Apache PyIceberg

Official Go implementation of Apache Arrow

Official Java implementation of Apache Arrow

A conda-smithy repository for arrow-c-glib.

A conda-smithy repository for prometheus-cpp.

A conda-smithy repository for sphinx-basic-ng.

The (B)ig (F)unction (T)axonomy is a detailed reference for common compute functions executed by different libraries, databases, and tools.

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A conda-smithy repository for cpp-opentelemetry-sdk.

A conda-smithy repository for grpc-cpp.

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CS 5152

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Mirror of Apache Arrow site

Helpers for Arrow C Data & Arrow C Stream interfaces

A conda-smithy repository for zlib.

Ibis Substrait Compiler

Expressive analytics in Python at any scale.

Auxiliary testing files for Apache Arrow

Reproduction/demo for https://issues.apache.org/jira/browse/ARROW-14771

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A conda-smithy repository for grpcio-reflection.

Reproduction for https://github.com/grpc/grpc/issues/29185

A conda-smithy repository for nlohmann_json.

A conda-smithy repository for arrow-cpp.

A conda-smithy repository for cpp-opentelemetry-api.

A place to submit conda recipes before they become fully fledged conda-forge feedstocks

Apache Arrow Cookbook

A light weight conda interface library

mimalloc is a compact general purpose allocator with excellent performance.

The OpenTelemetry C++ Client

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R package for benchmarking

Job executor for Apache Arrow CI

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

Apache Spark - A unified analytics engine for large-scale data processing

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@twosigma's artificial intelligence programming challenge

Homeless Foreigner in Japan Simulator 2018

P4_16 prototype compiler

Season 2 of @twosigma's artificial intelligence programming challenge

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Trillian implements a Merkle tree whose contents are served from a data storage layer, to allow scalability to extremely large trees.

WARNING: Quite a lot of force pushing will be done while this is in progress

Playing around with GBA + Rust, based on rusty-TONC

The new OpenSourceCornell website

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CFSSL: Cloudflare's PKI and TLS toolkit

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The new unofficial Cornell CS Wiki!

BearLibTerminal pure FFI

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CANONICAL URL: https://github.com/lidavidm/rehack

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A high-performance, bindless graphics API for Rust.

A prototype of a game to teach programming

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S expression parser for rust

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Skulpt is a Javascript implementation of the Python programming language

A safe ncurses wrapper for Rust

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Awesome Projects @ Cornell

Dependency free publish/subscribe for JavaScript

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A library for generating conventional changelogs from git metadata, written in Rust

gtk-rs examples

GTK+ 3.x bindings and wrappers for Rust

GDK binding for Rust

An open-source music library manager / player for Linux, Windows, and OS X

Student and instructor exercise answers.

A Rust raytracer.

a general-purpose computer algebra system

Cross-platform, Python-agnostic binary package manager

Common styling for SymPy's websites

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seniorproject

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SymPy web page

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Deploy a Mathics server on Heroku. Comes with customizations for Basha High School's math program.

Content presented at the 2013 SciPy conference

serialize all of python

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Android music player