spidergears

def verified_request?
  !protect_against_forgery? || request.get? || request.head? ||
    form_authenticity_token == params[request_forgery_protection_token] ||
    form_authenticity_token == request.headers['X-CSRF-Token']
end

spidergears

class ApplicationController < ActionController::Base
  protect_from_forgery
end

def protect_from_forgery(options = {})
   self.request_forgery_protection_token ||= :authenticity_token
   prepend_before_action :verify_authenticity_token, options
 end

def verify_authenticity_token

spidergears

class ApplicationController < ActionController::Base
  # Prevent CSRF attacks by raising an exception.
  # For APIs, you may want to use :null_session instead.
  protect_from_forgery with: :exception
end

def protect_from_forgery(options = {})
   self.forgery_protection_strategy = protection_method_class(options[:with] || :null_session)
   self.request_forgery_protection_token ||= :authenticity_token
   prepend_before_action :verify_authenticity_token, options

spidergears

class Exception
  def initialize(controller)
    @controller = controller
  end

  def handle_unverified_request
    raise ActionController::InvalidAuthenticityToken
  end
end

spidergears

==> day5_nethttp1.rb <==
# nethttp1.rb
require 'net/http'
url = URI.parse('http://ruby-metaprogramming.rubylearning.com/html/ruby_metaprogramming_1.html')

Net::HTTP.start(url.host, url.port) do |http|
  req = Net::HTTP::Get.new(url.path)
  puts http.request(req).body.split(/\W+/).count('the')
end

spidergears

// MOve to the directory containing the video files.
// Audio Files will be create with same name as the originalfile with ".mp4" appended to it.
// Generated content is stored into Audio directory under the current directory.

for file in *.*; do vlc -I dummy --no-sout-video --sout "#std{access=file,mux=raw,dst=output}" "$file" vlc://quit; mv output Audio/"$file".mp4; done

spidergears

//Simple CSV reader
package main

import (
	"encoding/csv" //Package csv reads and writes comma-separated values (CSV) files.
	"fmt"          //Package fmt implements formatted I/O with functions analogous to C's printf and scanf.
	"io"           //Package io provides basic interfaces to I/O primitives.
	"os"           //Package os provides a platform-independent interface to operating system functionality.
)

spidergears

record1a, record1b, records1c
record2a, record2b, records2c
#This is a comment: DO NOT PROCESS
record3a, record3b, records3c
record4a", record4b, records4c
record5a, record5b, records5c

spidergears

> tempfile = Tempfile.new(["temp", "text"])
 => #<Tempfile:/tmp/temp20141109-10110-2pjq04text> 
> tempfile.write("sample tempfile.")
 => 16 
> tempfile.rewind
 => 0 
> tempfile.read
 => "sample tempfile." 
> tempfile.close
 => nil 

spidergears

> tempfile = Tempfile.new(["temp", "text"])
 => #<Tempfile:/tmp/temp20141109-10110-2pjq04text> 
> tempfile.write("sample tempfile.")
 => 16 
> tempfile.rewind
 => 0 
> tempfile.read
 => "sample tempfile." 
> tempfile.close
 => nil