Ahmad hamza ahmad19

Ruby developer

ahmad19 / put_request_as_json.rb

Created October 21, 2020 10:32

Put request with correct headers and params in order to send array as parameters in request body.

	put(
	"/admin/prizes.json",
	headers: { 'CONTENT_TYPE' => 'application/json; charset=UTF-8' },
	params: { prizes: [] }.to_json
	)

ahmad19 / Gemfile

Last active September 22, 2020 01:01

Validate and save json data into database using dry-rb gems and without using active record.

ahmad19 / stripe_accept_payment.rb

Last active July 11, 2020 05:12

Use stripe to accept payment

	current_user = User.last
	receipt = Receipt.last
	pm = Stripe::PaymentMethod.create({
	type: 'card',
	card: { token: 'tok_visa' }, #no PCI complaint thats why
	billing_details: {
	address: {
	city: 'Pune',
	country: receipt.customer_country,
	line1: 'Somji Petrol',

ahmad19 / ruby-menu.rb

Last active July 8, 2020 13:06

Sample code for displaying a menu terminal using ruby

	def menu
	puts 'List your options below: \n
	1. first option \n
	2. second option \n
	3. Exit'
	end

	loop do
	menu
	option = gets.chomp

ahmad19 / encrypt_alt.rb

Created June 6, 2020 17:10

	def encrypt_alt(message,final_shift)
	character_set = ("a".."z").to_a << " "
	split_message = message.split("")
	offset_array = split_message.map.with_index do \|char, index\|
	f_index = (index % 4) + 1
	new_index = final_shift[f_index - 1]
	char_index = character_set.find_index(char)
	new_char_index = (char_index + new_index) % 27
	character_set[new_char_index]
	end.join

ahmad19 / where_in_ruby.rb

Created June 4, 2020 16:57

Search through array of objects by hash in ruby

	class ItemCollection
	def where(data)
	items.select do \|item\|
	item.fetch(data.keys.first) == data.values.first.to_s
	end.map { \|item\| Item.new(item) }
	end
	end

	item_collection = ItemCollection.new
	item_collection.where({merchant_id: 2})

ahmad19 / something.ino

Created March 12, 2020 14:10

	#include <LiquidCrystal.h>
	LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
	#include <SoftwareSerial.h>
	float pulse = 0;
	float temp = 0;
	SoftwareSerial ser(9,10);
	String apiKey = "OO707TGA1BLUNN12";

	// Variables
	int pulsePin = A0; // Pulse Sensor purple wire connected to analog pin 0

ahmad19 / sidekiq-installation-on-digital-ocean.rb

Last active December 31, 2019 06:34

Sidekiq installation on digital ocean droplet

	# Log in to the droplet
	ssh deploy@ip_address

	# install redis server
	sudo apt-get install redis-server

	# create sidekiq pid file
	sudo nano project/shared/tmp/pids/sidekiq.pid

	# give permission to the pid file

ahmad19 / sidekiq_useful_commands.rb

Created November 22, 2019 14:27

	# To cancel busy jobs in sidekiq
	# Stop sidekiq
	redis-cli KEYS '*' \| xargs -n1 redis-cli DEL

ahmad19 / usage_of_select_tag.rb

Last active November 6, 2019 13:57

	# Examples of select_tag in forms

	```ruby
	class SomeModel < ActiveRecord::Base
	enum status: %i[draft pending paid]
	end
	```

	```html
	<%= f.select :status, Receipt.statuses.keys.map{ \|w\| [w.humanize, w] }, { include_blank: true }, { class: 'form-control', required: true } %>