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def index
  @posts = current_user.posts
end

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# app/views/posts/index.jbuilder
json.array! @posts, :id, :title, :description, :created_at, ...

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class PostsController < ApiController
  def update
    @post = current_user.posts.find_by(id: params[:id])
    # For error message
    if !@post
      return render json: { error: 'Unable to find blog post' }, status: :not_found
    end
    if [email protected]_attributes(param[:post])
      return render json: { 
        error: "Could not update post",

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class ApiController < ApplicationController::Base
  
  rescue_from ActiveRecord::RecordNotFound do |e|
    render json: { error: e.message }, status: :not_found
  end
  
  rescue_from ActiveRecord::RecordInvalid do |invalid|
    # You can even use jbuilder templates to make this cleaner!
    render 'shared/record_invalid', locals: { exception: invalid },
      status: :unprocessable_entity

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class PostsController < ApiController
  def update
    @post = current_user.posts.find(params[:id])
    @post.update_attributes!(params[:post])
  end
  
  def create
    @post = current_user.posts.create!(params[:post])
  end
end

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class ApiController < ActionController::Base
  rescue_from ActionController::ParameterMissing do |e|
    # You can even render a jbuilder template too!
    render json: {error: e.message }, status: :unprocessable_entity
  end
end

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class PostsController < ApiController  
  def create
    @post = current_user.posts.create!(params.require(:post))
  end
end

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#!/usr/bin/env ruby
#
# Automatically updates ghost per instructions at:
#
#   http://support.ghost.org/how-to-upgrade/
#
# Make sure to back up your files before proceeding (i.e. git repo)!
# 

require 'tempfile'

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# Creates a degenerate PKCS#7 certificate only in ruby (SCEP application/x-x509-ca-ra-cert)
# Inspiration: https://github.com/AppBlade/TestHub/blob/master/app/controllers/scep_controller.rb#L92-L112
#
# Tested Ruby 2.2.0 OSX 10.10, OpenSSL 1.0.1l
require 'openssl'

cert = OpenSSL::X509::Certificate.new File.read('some_cert.crt')

# Fails ruby 2.2, OpenSSL 1.0.1l!!
p7certs = OpenSSL::PKCS7.new

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// Example:
//
//  System.out.println(Hasher.sha1("hello world"));      // prints: 2aae6c35c94fcfb415dbe95f408b9ce91ee846ed
//  System.out.println(Hasher.sha1AsInt("hello world")); // prints: 896314922

import java.nio.charset.*;
import com.google.common.hash.*;

class Hasher {
  public static String sha1(String input) {