Personalized High-Frequency Trading Bot

CSV++

A simple ruby wrapper for Daisy Diff.

This gem implements pure Levenshtein algorithm, Damerau modification (where 2 character transposition counts as 1 edit distance). It also includes Boehmer & Rees 2008 modification, to handle transposition in blocks with more than 2 characters (Boehmer & Rees 2008).

This gem implements pure Levenshtein algorithm, Damerau modification (where 2 character transposition counts as 1 edit distance). It also includes Boehmer & Rees 2008 modification, to handle transposition in blocks with more than 2 characters (Boehmer & Rees 2008).

Dami is a modern, minimal ORM focusing on a clean query DSL, explicit data validation, and secure attribute protection.

Daru (Data Analysis in RUby) is a library for analysis, manipulation and visualization of data. Daru works seamlessly accross interpreters and leverages interpreter-specific optimizations whenever they are available. It is the default data storage gem for all the statsample gems (glm, timeseries, etc.) and can be used with many others like mixed_models, gnuplotrb and iruby. Daru Lite is a fork of Daru that aims to focus on data manipulation and stability.

Helps building data pipelines. It handles recomputing dependencies and parallel execution.

This small gem contains several data structures that I have implemented in Ruby to learn how they work. Sometimes it is not enough to read the description of a data structure and accompanying pseudo-code. Actually implementing it is often helpful in understanding what is going on. It is also usually fun. The gem contains basic implementions of Disjoint Union, Heap, Priority Search Tree, and Segment Tree. See the homepage for more details.

Rack::Profile lets you easily profile your Rack application

Deferred for Delayer.

A C extension implementation of a d-ary heap data structure, suitable for use in e.g. priority queues or Djikstra's algorithm.

A utility that makes it easy to create "on-the-fly databases"

A basic DNS resolver using Celluloid

Provides a simple executable to drive a dzen2 (or similar) dock with a single YAML config file. Read +example.dock_driver.yml+ for more information about how to get started. It's located in this gem's data directory, which is usually: $GEM_HOME/gems/dock_driver-x.y.z/data/

Library for solving Sudoku-like puzzles (Sudoku, Hexadoku, etc.) using the Dancing Links algorithm.

Create pretty graphs from Ruby objects.

Tools to build your double entry financial ledger

Droom is nice and clean.

Will automatically monitor DynamoDB tables and scale them based on rules.