Michael de Silva bsodmike

Web fonts are pretty much all the rage. Using a CDN for font libraries, like TypeKit or Google Fonts, will be a great solution for many projects. For others, this is not an option. Especially when you are creating a custom icon library for your project.

Rails and the asset pipeline are great tools, but Rails has yet to get caught up in the custom web font craze.

As with all things Rails, there is more then one way to skin this cat. There is the recommended way, and then there are the other ways.

The recommended way

Here I will show how to update your Rails project so that you can use the asset pipeline appropriately and resource your files using the common Rails convention.

Ruby: Blocks, Procs, Lambdas

Note that for blocks, {} and do ... end are interchangeable. For brevity, only the former will be listed here.

Version differences

Pre-1.9, lambda and proc are synonyms. Essentially the difference is between proc and block.

def method(&block) p block.class; p block.inspect; end
l = lambda { 5 }

You got your hands on some data that was leaked from a social network and you want to help the poor people.

Luckily you know a government service to automatically block a list of credit cards.

The service is a little old school though and you have to upload a CSV file in the exact format. The upload fails if the CSV file contains invalid data.

The CSV files should have two columns, Name and Credit Card. Also, it must be named after the following pattern:

YYYYMMDD.csv.

	require 'minitest_helper'

	ADDRESSES = {
	toledo_ohio: {
	street1: '',
	city: 'Toledo',
	state: '',
	zip: '',
	country: 'United States',
	expected_obfuscated_street: '',

	{
	:name=>"plain-defaults",
	# parameters specific to runit_service
	:sv_bin => "/usr/bin/sv",
	:sv_dir => "/etc/sv",
	:service_dir => "/etc/service",
	:lsb_init_dir => "/etc/init.d",
	:control => [],
	:options => {},
	:env => {},

	var React = require("react"), Dom = React.DOM;
	var LogOutButton = require('./src/logout');
	var events = require('api/events');

	var Main = React.createClass({
	// this mixin provides this.emitLogout, and if we set onLogout it'll be called when "logout" is emitted
	mixins: [events.mixinFor("logout")],

	getInitialState: function(){
	return {

	# Original Rails controller and action
	class EmployeesController < ApplicationController
	def create
	@employee = Employee.new(employee_params)

	if @employee.save
	redirect_to @employee, notice: "Employee #{@employee.name} created"
	else
	render :new
	end

	//
	// API.swift
	//
	// Created by Taro Minowa on 6/10/14.
	// Copyright (c) 2014 Higepon Taro Minowa. All rights reserved.
	//

	import Foundation

	typealias JSONDictionary = Dictionary<String, AnyObject>

	# to generate your dhparam.pem file, run in the terminal
	openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048

	DKIM is DomainKeys Identified Mail and is used in mail servers, such as Postfix or Sendmail to sign e-mails and thus authenticating the sender so that a forgery can be detected. It also reduces the possibility of an e-mail being flagged as spam, but it's not a definite prevention.

	A much simpler method is using SPF (Sender Policy Framework) which, in a nutshell, verifies the sender IP address.

	According to the internet, using both should result to ????, PROFIT !!!.

	SPF does not need a specific configuration. Whitelisted servers are listed in a DNS record, TXT or SPF, and an example record is:

	example.com. IN TXT "v=spf1 a mx ~all"