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@harlow
harlow / worker-pool.go
Last active July 15, 2024 07:55
Worker pool to control concurrency and collect results
package main
import (
"fmt"
"sync"
"time"
)
const concurrency = 3
@stevenharman
stevenharman / _compose_query_objects.md
Last active December 19, 2017 21:33
Build compose-able query objects by delaying query execution and delegating to the underlying `ActiveRecord::Relation` for everything else. #ruby #rails

Compose-able Query Objects in Rails

Example usage:

old_accounts = Account.where("created_at < ?", 1.month.ago)
old_abandoned_trials = AbandonedTrialQuery.new(old_accounts)

old_abandoned_trials.find_each do |account|
 account.send_offer_for_support
@bokmann
bokmann / ActiveRepository.rb
Created March 27, 2012 16:15
ActiveRepository Strawman
# MOTIVATION: As rails apps are growing, people are noticing the drawbacks
# of the ActiveRecord pattern. Several apps I have seen, and several
# developers I have spoken to are looking towards other patterns for object
# persistence. The major drawback with ActiveRecord is that the notion
# of the domain object is conflated with what it means to store/retrieve
# it in any given format (like sql, json, key/value, etc).
#
# This is an attempt to codify the Repository pattern in a way that would
# feel comfortable to beginner and seasoned Ruby developers alike.
#
@seancribbs
seancribbs / gist:1359079
Created November 11, 2011 20:08
Combining Roar with Webmachine.
require 'bundler/setup'
require 'roar/representer/json'
require 'roar/representer/feature/hypermedia'
require 'webmachine'
class Product
include Roar::Representer::JSON
include Roar::Representer::Feature::Hypermedia
property :name