John Skolfield skolf
skolf
/ process.rb
Created
June 19, 2014 22:28
An extension to the Ruby Process module for checking if a given process is running.
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| # usage: Process.alive? 1 | |
| # > true | |
| module Process | |
| class << self | |
| def alive?(pid) | |
| return false if pid.nil? | |
| begin | |
| Process.kill(0, pid.to_i) | |
| status = true | |
| rescue Errno::ESRCH |
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| source 'http://rubygems.org' | |
| # app base | |
| gem 'logger' | |
| gem 'rack' | |
| gem 'sinatra' | |
| gem 'sinatra-assetpack' | |
| gem 'sprockets' | |
| gem 'sprockets-helpers' |
skolf
/ row-striping.rb
Last active
August 29, 2015 14:02
This is an extension for any MySql-backed ActiveRecord model. It provides a convenient method for filtering results by row number on the database side.
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| # extend any ActiveRecord model with a fast method | |
| # for selecting rows. | |
| # | |
| # this is useful for parallel processes that work on | |
| # subsets of large tables. | |
| # | |
| # ex: | |
| # process A needs to work on all odd numbered Posts, | |
| # process B needs to work on all even numbered Posts. | |
| # |
skolf
/ backbone-data-queue.js
Last active
August 29, 2015 14:02
This is a simple extension to the base Backbone Router class to provide batch loading of models and collections. It's useful in single-page apps when multiple models/collections need to be loaded before transitioning to a different view.
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| // backbone-data-queue.js 1.0.0 | |
| // extends the base Backbone Router class with a helper method to | |
| // perform a batch data load. | |
| // | |
| // call this with an array of Backbone models/collections. it returns | |
| // a function that accepts success and error callbacks. the appropriate | |
| // callback will be fired when the batch operation is complete. | |
| // | |
| // usage (in a Backbone router): |