The Preconditions library provides a simple set of methods for checking arguments being passed into a method. Instead of writing custom checks and raising exceptions directly in your code you can use Preconditions to verify basic properties of your arguments (not-nil, satisfying a boolean expression, being of a certain type/duck-type) and raise the appropriate exception for you.

Implements #pred, the inverse of #succ. The goal is to include this gem on multiple projects and to gift extended Range objects with proper reverse functionality.

Shortcut for prepend-ing Module. Maybe useful for debugging.

a library for writing parameterized SQL queries, executing them and mapping the result to on to objects.

Parse Cappuccino Literal predicated and sort descriptors to arel expressions

Check whether an ActiveRecord instance satisfies the conditions of a relation, in memory

A secure, non-evaling condition (boolean predicate) engine for end users

Can add a csv with names and emails and then predict what a person's email will be by looking at patterns used by other people from same company.

Dummy pipeline

Prefab provides Twitter Bootstrap generators for Rails 5 (supported Rails >= 5.0.1). Checkout http://getbootstrap.com.

Feature Flags, Live Config, and Dynamic Log Levels as a service

Create factory objects in before-all blocks for fixture-like performance

A source for data about Jpanese prefectures.

It's an extraction of the Spree Ecommerce Preferences. All the credits goes to the Spree authors.

This gem provides possibility to have 'fresh' prefetched result of external http request all the time

Ruby API for Prefinery.com

Generate a prefix API key for your application

Allows you to expire parts of your cache separately

Enhance delegate method by prefixed option

wrapper for prefixfree.js(https://github.com/LeaVerou/prefixfree/) javascript library in rails