grosser/programming_pearls

Stars
108
Rank 321,259 (Top 7 %)
Language
Ruby
Created almost 16 years ago
Updated over 15 years ago

grosser/programming_pearls

grosser

There are no reviews yet. Be the first to send feedback to the community and the maintainers!

eBook: Programming Pearls Rewritten in Ruby

This is my attempt to solve any ruby-solvable problem of programming pearl in as few, understandable, readable, max 120 character long lines of ruby (with emphasis on understandable and not 1-line-magic...)

Read it - Print it!

Download as PDF: output/output.pdf or as HTML: in output/output.zip, enjoy!

Contribute!

Not all chapters are complete, some problems are unsolved, some code surely can be simplified.

Organisation

columns go into lib, each column has many tasks -> 1.rb, 2.rb
no STDIN since that would complicate running the task

TODO

there are some chapters missing
add cover image (ruby necklace?)
syntax highlighting (with js?)
add statistics: how does readable code compare to wtf-code

Author

Michael Grosser
[email protected]
Hereby placed under public domain, do what you want, just do not hold me accountable...

parallel

Ruby: parallel processing made simple and fast

parallel_tests

Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber

pru

Pipeable Ruby - forget about grep / sed / awk / wc ... use pure, readable Ruby!

smusher

Ruby/CLI: Automatic lossless reduction of all your images

maxitest

Minitest + all the features you always wanted.

fast_gettext

Ruby GetText, but 12x faster + 530x less garbage + simple + clean namespace + threadsafe + extendable + multiple backends

wwtd

WWTD: Travis simulator - faster + no more waiting for build emails

rspec-instafail

Show failing specs instantly

gettext_i18n_rails

Rails: FastGettext, I18n integration -- simple, threadsafe and fast!

test_after_commit

Make after_commit callbacks fire in tests for Rails 3+ with transactional_fixtures = true.

rpx_now

Ruby: RPXNow.com user login/creation and view helpers Facebook, Twitter, Google, MSN, OpenID, MySpace, Yahoo -- All in One

single_cov

Actionable code coverage.

bitfields

n Booleans = 1 Integer, saves columns and migrations.

i18n_data

Ruby: country/language names and 2-letter-code pairs, in 85 languages, for country/language i18n

vendorer

Vendorer keeps your dependencies documented, cached and up to date

ar_after_transaction

Execute irreversible actions only when transactions are not rolled back

url_store

Data securely stored in urls.

kennel

Datadog monitors/dashboards/slos as code, avoid chaotic management via UI

ruco

Desktop-style, Intuitive, Commandline Editor in Ruby. "Better than nano, simpler than vim."

easy_esi

Rails: Cached pages with updated partials

reduce

Ruby/CLI: minify javascript + stylesheets, lossless image optimization

git-autobisect

Find the first broken commit without having to learn git bisect

parallel_split_test

Split a big test file into multiple chunks and run them in parallel

tic_tac_toe

Play Tic-Tac-Toe in Ruby using Curses(full-screen-commandline app)

sort_alphabetical

Ruby: sort UTF8 Strings alphabetical via Enumerable extension

soft_deletion

Explicit soft deletion for ActiveRecord via deleted_at and default scope

youtube_search

Search youtube via this simple ruby api

simple_auto_complete

Rails: Simple, customizable, unobstrusive - Autocomplete

dispel

Ruby: Remove evil curses

preoomkiller

Softly kills your process with SIGTERM before it runs out of memory.

single_test

Rake tasks to invoke single tests/specs with rakish syntax

dotfiles

Clean and powerful dotfiles -- bash / git / ruby / irb / nano / ruco

bundler-organization_audit

Automatic Gemfile security audit for all your organizaition/user repos

fallback

Fallback when original attribute is not present or somethings not right.

record_activities

Rails: Record user activities without controller helpers, build on top of userstamps plugin

ie_iframe_cookies

Rails: Normal cookies inside IFrames for IE via P3P headers

cachy

Ruby: Caching library to simplify and organize caching

zombie_passenger_killer

Guaranteed zombie passengers death.

tracked_plugins

script/plugin now keeps track of installation, can list urls/revisions/install-dates/plugin-locally-hacked? and update.

stub_server

Boot up a real server to serve testing replies

rails2_asset_pipeline

Familiar asset handling for those stuck on Rails 2

request_recorder

Record your rack/rails requests and store them for future inspection

ar_merge

Merge 2 ActiveRecords, preserving attributes, associations and counters

gem-dependent

How many gems depend on your gem ?

travis_dedup

Stop all builds on the same PR when a new job starts

safe_regexp

Ruby Regex Timeout / Backtracking Bomb Safety

translation_db_engine

Rails/AR: engine to manage translations inside a database

rubinjam

Covert ruby gem to universal cross-platform binary

gettext_i18n_rails_example

Rails example application using FastGettext + gettext_i18n_rails + gettext_test_log

url_to_media_tag

Convert an Youtube/Vimeo/Image... Url to image or video embed.

forking_test_runner

Run every test in a fork to avoid pollution and get clean output per test

restful_catch_all_route

One rule for complete restful routing, no helpers, no worries.

scopify

Add named scopes and chainable scopes to any Object / Model.

key_value

Abuse Sql database as Key-Value Store

acts_as_feed

Rails/AR: Transform a Model into a Feed Representation (Feed Reader)

sinatra-magick

Sinatra app to manipulate images given by url via mini_magick and image_magick. completly evented

concern

Ruby: Seperation of concerns without meta-madness and namespace pollution.

has_a_location

AR: Easy location (lat/long) handling + in_radius + find on a given map section

virtual_asset_path

Improve Rails Asset Caching with MD5 and virtual folders

s3_slider

jQuery: slideshow displaying images + description, ~1kb for js+css, simple and elegant

git-whence

Find the merge and pull request a commit came from + fuzzy search for cherry-picks

readable_random

Ruby: Readable random strings for coupons or tokens

testrbl

Run ruby Minitest/Test::Unit/Spec/Shoulda tests by line-number / files / folder

s3_meta_sync

Efficiently sync folders with s3 using a metadata file with md5 sums.

countries_and_languages

Rails: Countries and languages in I18n.locale for select_tag or output in 85 languages

autoscaling

Amazon AWS/EC2 autoscaling All in one

helpful_fields

Simple & Helpful Field Helpers for Rails e.g. check_box_with_label or prefilled fields from params

go-testcov

`go test` that fails on uncovered lines and shows them

cleanser

Find polluting test by bisecting your tests.

repo_dependency_graph

Graph the dependencies of your repositories

get_pomo

Ruby/Gettext: A .mo and .po file parser/generator

honeypot

Rails: Simple honeypots

random_records

Rails/AR: Fast random records for ActiveRecord

rpx_now_example

Example Rails app using RPXNow plugin

logrecycler

Re-process logs from applications you cannot modify to convert them to json and add prometheus/stats metrics

after_commit_exception_notification

Rails: Get notified when an after_commit block blows up

textpow

Read TextMate syntax files and parse text with them

codeclimate_batch

Report a batch of codeclimate results by merging and from multiple servers

dockerb

Dockerfile.erb - use ruby in your dynamic Dockerfile

cia

Central Internal Auditing: Audit model events like update/create/delete + attribute changes + grouped them by transaction, in normalized table layout for easy query access.

cc-amend

Unify reports from all your tests runs and send them as one.

gem_of_thrones

Everybody wants to be king, but only one can rule (synchronized via a distributed cache)

github-grep

Grep through github search results

kube-leader

Simple Kubernetes Leader Election via ConfigMap as ENTRYPOINT

travis_cron

Run travis as cron (also supports travis PRO)

air_man

Email notifications for high-frequency Airbrake errors

i18n-backend-http

Rails I18n Backend for Http APIs with etag-aware distributed background polling and lru-memory+[memcache] caching.

gem_on_demand

Run your own gem server that fetches from github, uses tags as version and builds gems on demand

matching_bundle

Find a matching bundler version for a Gemfile and use it

active_record-comments

Add comments to ActiveRecord queries to see where they came from or what user caused them

translated_attributes

AR/Rails translatable attributes through virtual fields

cmd2json

Covert command output and exit status to json to pipe them atomically into logs

autolang

Automatic translation to a new language for Gettext/JSON using Google translate

db_graph

Easy graphs from AR date fields

organization_license_audit

Audit all licenses used by your github organization/user

ruby-cli-daemon

Make all gem executables execute instantly

ar_multi_threaded_transactional_tests

Execute multithreaded code while still using transactional fixtures by synchronizing db access to a single connection

rhr

Ruby Hypertext Refinement -- the ease of PHP with the elegance of Ruby

git-graph

Date porn from your git history

unicorn_wrangler

Unicorn: out of band GC / restart on max memory bloat / restart after X requests