Brian Hempel

active_record_union. UNIONs in ActiveRecord! Adds proper union and union_all methods to ActiveRecord::Relation.

nadocast. Tornado probabilities via post-processing weather model outputs with machine learning.

mongo_session_store. Rails 3 and 4 session store class implemented for MongoMapper and Mongoid or any other MongoDB ODM

isrubyfastyet. Practical, daily benchmarks of Ruby implementations.

rounding. Round by any arbitrary step in Ruby.

live-ghci. Evaluate special comments in your program on file save.

stream_json_demo. Demo of HTTP chunked streamed JSON with lazy enumerators, ActionController::Live, and deflate.

simple_stats. Finally, simple mean, median, mode, sum, and frequencies for Ruby arrays and enumerables!

fuzzy_tools. Fuzzy document finding in Ruby

hash_to_hidden_fields. In goes a hash, out comes hidden fields. Great for preserving Rails parameters without abusing the session.

base_x. Convert numbers into and out of any base in Ruby; avoid ambiguous characters like 1, l, and I!

maniposynth. Bimodal text editing and direct manipulation-driven synthesis on tangible values for (some subset of) OCaml.

sneakynote.com. Share Secrets Securely: Read-once, self-destructing, URL-sharable secret storage. https://sneakynote.com/

mongo_sequence. Atomically incrementing sequences in MongoDB. Useful for auto-incrementing id's or other counters that can't collide.

human_token. Random tokens without ambiguous characters—friendly for humans!

gogo. Pseudo-shell hack with Rails environment preloaded for faster tests and faster generators and faster rake commands. Go go go go!

mm-logged-time. Logging of query time and load time for MongoMapper (Works through MongoMapper 0.9.0, broken on 0.9.1)

facepals.fun. https://facepals.fun

sketch-n-plot. In-notebook bidirectional GUI for matplotlib. Edit your plots with code and mouse!

autocomplete-better-generic. Generic autocomplete provider for Atom with smarter and more aggressive heuristics than autocomplete-plus's built-in provider.

MemoryConstrainedTreeBoosting.jl. Fast Julia language gradient boosted decision trees with careful use of RAM

chromedriver-gem. Gem to download chromedriver so Chrome can be used with selenium-webdriver

commitables. Yep this happened.

plucky. Fancy query magic for the mongo ruby driver

demarcken_word_segmentation. Implementation of Carl de Marken's unsupervised word segmentation algorithm

dragonfly. A Ruby Rack-based gem for on-the-fly processing - suitable for image uploading in Rails, Sinatra and much more!

fuzzy-string. fuzzy string matching alorithms

adjusted_severe_training_targets. Spatial normalization factors to make estimated severe wind reports match the climatology measured by permanent weather stations.

chess_clock. A simple, online, javascript-driven chess clock.

mongomapper. A Ruby Object Mapper for Mongo

campfire-plugin. Jenkins campfire plugin

plottery. Jupyter Notebook