amitpatelx’s gists

amitpatelx / change_primary_key_type_on_content_unit.rb

Created May 23, 2016 08:33

	class ChangePrimaryKeyTypeOnContentUnit < ActiveRecord::Migration
	def change
	change_column :content_units, :guoid, :integer, limit: 8
	end
	end

amitpatelx / create_content_units.rb

Created May 23, 2016 10:02

Override default primary key Raw - Solution

	class CreateContentUnits < ActiveRecord::Migration
	def up
	create_table :content_units, id: false do \|t\|
	t.boolean :active, default: false
	end
	execute 'ALTER TABLE content_units ADD guoid BIGINT(20) PRIMARY KEY AUTO_INCREMENT FIRST;'
	end

	def down
	drop_table :guoids

amitpatelx / create_content_units.rb

Created May 23, 2016 11:01

Override default primary key - Using a Gem

	class CreateContentUnits < ActiveRecord::Migration
	def change
	create_table :content_units, id: false do \|t\|
	t.integer :guoid, limit: 8, auto_increment: true, primary_key: true
	t.boolean :active, default: false
	end
	end
	end

amitpatelx / content_unit.rb

Created May 23, 2016 13:16

	class ContentUnit < ActiveRecord::Base
	self.primary_key = :guoid
	end

amitpatelx / create_content_units.rb

Last active May 25, 2016 10:53

How to increase primary key column size(type) using Rails migration with MySQL?

	class CreateContentUnits < ActiveRecord::Migration
	def up
	create_table :content_units do \|t\|
	t.string :name, null: false
	t.boolean :active, default: false
	end
	execute('ALTER TABLE `content_units` CHANGE `id` `id` BIGINT(20) NOT NULL AUTO_INCREMENT')
	end

	def down

amitpatelx / content_unit.json

Created June 17, 2016 11:43

/api/content_unit.json?id=1

amitpatelx / 2.3.0

Last active June 22, 2016 10:49

Comparing Array#max time between Ruby 2.4.0-preview1 and 2.3.0

	2.3.0 :001 > require 'benchmark'
	=> true
	2.3.0 :002 > x, y = 1, 2;
	2.3.0 :003 > puts Benchmark.measure { 10000000.times { [x, y].max } }
	3.300000 0.000000 3.300000 ( 3.301698)
	=> nil

amitpatelx / download_image.rb

Created June 24, 2016 14:14

How to download images from different rails application sharing a session?

	# This code is assumed to be part of one application(http://microservices2.btdashboard.com) sharing session with other(http://microservices1.btdashboard.com)

	# '_your_app_session' is session_store key config in session_store.rb
	# 'KzBxYy9jUURwbEYxR3ZCRmI3' is value of session cookie read in controller action
	cookie = Mechanize::Cookie.new('_your_app_session', 'KzBxYy9jUURwbEYxR3ZCRmI3')
	cookie.domain = ".btdashboard.com" # check domain config in session_store.rb
	cookie.path='/' # Set as per your application settings
	# More cookie settins as required

	uri = URI.parse('http://microservices1.btdashboard.com')

amitpatelx / camscan.rb

Created July 18, 2016 12:09

Scan for virus

	# scan file on disk
	options = {location: '/path/to/file'}

	# initiate scan - returns ClamScan::Response object
	respone = ClamScan::Client.scan(options)

	# check output from clamscan
	puts response.body

	# check response status

amitpatelx / clamscan_initializer.rb

Created July 18, 2016 12:11

ClamScan Initializer to remove infected file

	ClamScan.configure do \|config\|
	config.default_scan_options.merge {remove: 'yes'}
	end

Amit Patel amitpatelx