Damien delba

delba / application.js

Last active December 17, 2015 04:19

Setting relative date with moment.js

delba / index.html

Created May 9, 2013 21:25

Using tabindex on inputs

delba / Gemfile

Last active December 17, 2015 04:59

Using Server-send Events with Rails

	gem 'puma'
	gem 'redis'

delba / index.js.coffee

Last active December 17, 2015 05:18

Replacing current page with ajax response

	xhr = new XMLHttpRequest

	xhr.onreadystatechange = (e) ->
	if @readyState is 4 and @status is 200
	document.body.innerHTML = @responseXML.body.innerHTML

	xhr.open 'GET', '/page'
	xhr.responseType = 'document'
	xhr.send()

delba / cameras.coffee

Last active December 17, 2015 06:18

Mapping Objects in CoffeeScript

	data =
	X100:
	description: "A really cool camera"
	stock: 5
	X1:
	description: "An awesome camera"
	stock: 6

	# Multiline: parentheses not required
	cameras = for own name, info of data

delba / documents_controller.rb

Last active December 17, 2015 06:19

Uploading a file

	class DocumentsController < ApplicationController
	def create
	FileUtils.mv document.tempfile, upload_path
	end

	private
	def document
	params[:document]
	end

delba / file.js.coffee

Last active December 17, 2015 06:19

File uploading with ajax

	reader = new FileReader

	reader.onload = (e) ->
	@file.data = @result

	$('#file_field').on 'change', (e) ->
	reader.file = e.target.files[0]
	reader.readFileAsDataURL reader.file

	###

delba / data_uri.rb

Last active December 17, 2015 08:59

Inline image with ruby

	# data:[<MIME-type>][;charset=<encoding>][;base64],<data>

	require 'base64'

	file = File.new('my_file.png')
	filename = File.basename(file)

	mime_type = %x[file --brief --mime-type #{filename}].chomp
	data = Base64.encode64(file.read).delete("\n")

delba / event.rb

Last active December 17, 2015 09:19

Creating an event with recurring dates

	class Event < ActiveRecord::Base
	attr_reader :start_date, :end_date, :days

	has_many :performances

	def build_performances
	(start_date..end_date).each do \|date\|
	next unless days.include? date.wday
	self.performances << Performance.new(date: date)
	end

delba / application_controller.rb

Created May 15, 2013 22:50

Raising an exception if an action isn't explicitly authorized

	class ApplicationController < ActionController::Base
	# ...
	include AuthorizationSystem
	after_filter :validate_authorization_checked
	end