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# Load dataset
load("HW1_data.rData")

View(BTC.charts)

# normalize date
BTC.charts$date <- as.Date(BTC.charts$date, format= "%Y-%m-%d")
DASH.charts$date <- as.Date(DASH.charts$date, format= "%Y-%m-%d")
ETH.charts$date <- as.Date(ETH.charts$date, format= "%Y-%m-%d")
LTC.charts$date <- as.Date(LTC.charts$date, format= "%Y-%m-%d")

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RabbitMQ by example

Install with docker

docker run -d --name  myrabbit --hostname rabbit --restart always -p 15672:15672 rabbitmq:3-management

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create user

CREATE USER 'username'@'localhost' IDENTIFIED BY 'password';

grant privilages to user

GRANT ALL PRIVILEGES ON *.* TO 'user'@'localhost';

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 media="none" onload="if(media!='all')media='all'"

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Landing Page Porposal

Features

• Ability to select diffrent templates
• Ability to fill and change template variables ( like images and texts)
• Ability to enable or disable any section or part of template
• We can define templates that use handlebars syntax and save it to db or file system
• Every template contains a config.json file and contains template configuration
• A Template is consis of components and every component has props

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Install and use laravel with nginx in ubuntu 18.04

Install PHP

You need to install PHP 7.1.3 or greater FPM version.

sudo apt install php7.2-fpm php7.2-mbstring php7.2-xmlrpc php7.2-soap php7.2-gd php7.2-xml php7.2-cli php7.2-zip

Install nginx

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Influxdb cheatsheet

Install with docker

Pull the latest version of influxdb official image :

docker pull influxdb

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List all tables of db:

\dt

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require 'sinatra'

get '/' do
	"سلام دنیا"
end

get '/noobi' do
	"سلام نوبی"
end

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require 'ibot'

bot = IBot.new('mybot')

bot.add_group 'greeting'
bot.add_group 'goodby'

bot.add_pattern 'greeting', /hi/i
bot.add_pattern 'greeting', /hello/i