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Rafał Trojanowski rafaltrojanowski

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@arenoir
arenoir / group-by.js
Last active March 26, 2016 21:39
Ember group by computed macro
import Ember from 'ember';
var get = Ember.get,
arrayComputed = Ember.arrayComputed;
export default function (dependentKey, property) {
var options = {
@wulab
wulab / weather_o_rama.rb
Last active August 6, 2018 10:45
Weather-O-Rama Inc.’s next generation, Internet-based Weather Monitoring Station
module Subject
def register_observer()
raise NotImplementedError
end
def remove_observer()
raise NotImplementedError
end
def notify_observers()
@pwfisher
pwfisher / gtm-util.js
Last active August 15, 2024 15:15
Ember.js Google Tag Manager utility
// Google Tag Manager
(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s);j.async=true;j.src=
'//www.googletagmanager.com/gtm.js?id='+i;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-ABCDEF');
// End Google Tag Manager
App.GtmUtil = {
@hopsoft
hopsoft / db.rake
Last active June 29, 2026 09:49
Rails rake tasks for dump & restore of PostgreSQL databases
# lib/tasks/db.rake
namespace :db do
desc "Dumps the database to db/APP_NAME.dump"
task :dump => :environment do
cmd = nil
with_config do |app, host, db, user|
cmd = "pg_dump --host #{host} --username #{user} --verbose --clean --no-owner --no-acl --format=c #{db} > #{Rails.root}/db/#{app}.dump"
end
puts cmd
@longlostnick
longlostnick / uploads_controller.rb
Created June 17, 2014 18:20
Rails JSON file upload with carrierwave (from base64 string)
class Api::UploadsController < ApiController
def create
@upload = Upload.new(upload_params)
ensure
clean_tempfile
end
private
# Robust JSON output for active record errors
#
# See https://groups.google.com/forum/#!topic/rubyonrails-core/hxgX6D9s2uM
module ActiveRecord
module AutosaveAssociation
def validate_collection_association(reflection)
if association = association_instance_get(reflection.name)
if records = associated_records_to_validate_or_save(association, new_record?, reflection.options[:autosave])
records.each_with_index do |record, index|
association_valid?(reflection, record, index)
# config/routes.rb
resources :documents do
scope module: 'documents' do
resources :versions do
post :restore, on: :member
end
resource :lock
end
end
@ka8725
ka8725 / dbconfig.rake
Last active July 28, 2016 10:03
database.yml generator. Global Rake implementation
require 'yaml'
desc 'Generates database.yml, optional arguments: [adapter, user, password]'
task :dbconfig => 'database.yml'
file 'database.yml', [:adapter, :username, :password] do |t, args|
Dir.chdir('config')
args.with_defaults(:project_path => Dir.pwd)
DBConfigGenerator.new(t, args).generate
end
@zilkey
zilkey / .gitignore
Last active September 14, 2018 20:05
curry example - a way to do dependency injection using lambdas
Gemfile.lock
junk.*
@mkuhnt
mkuhnt / stringify_keys.rb
Last active October 6, 2021 12:48
Deep Stringify Keys of hash even with embedded arrays
def transform_hash(original, options={}, &block)
original.inject({}){|result, (key,value)|
value = if (options[:deep] && Hash === value)
transform_hash(value, options, &block)
else
if Array === value
value.map{|v| transform_hash(v, options, &block)}
else
value
end