Daniele Spinosa microspino

## arel_cheatsheet_on_steroids.md

      
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                microspino
                / arel_cheatsheet_on_steroids.md
            
            
              Created
              November 22, 2022 17:17
                — forked from ProGM/arel_cheatsheet_on_steroids.md
            
              
                Arel cheatsheet on Steroids
              
          
    Arel Cheatsheet on Steroids

A (more) complete cheatsheet for Arel, including NamedFunction functions, raw SQL and window functions.
Tables

posts = Arel::Table.new(:posts)
posts = Post.arel_table # ActiveRecord
Table alias


## editor.html
<!DOCTYPE html>
<html>
  <head>
    <style>
      .editor { font-family: 'Roboto Mono', monospace; font-size: 12px; outline: none; overflow-y: auto; padding-left: 48px; counter-reset: line; }
      .editor div { display: block; position: relative; white-space: pre-wrap; }
      .editor div::before { content: counter(line); counter-increment: line; position: absolute; right: calc(100% + 16px); opacity: 0.5; }
    </style>
  </head>

## rspec_cheatsheet_controller_spec.rb
require 'rails_helper'

RSpec.describe TodosController, :type => :controller do

  describe "GET #index" do
  #describe "POST #create" do
  #describe "GET #show" do
  #describe "PATCH #update" do (or PUT #update)
  #describe "DELETE #destroy" do
  #describe "GET #new" do

## OpenWrt detect new device and send text message.md

      
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                microspino
                / OpenWrt detect new device and send text message.md
            
            
              Created
              June 22, 2018 20:35
                — forked from jwalanta/OpenWrt detect new device and send text message.md
            
              
                Detect new network devices connecting to OpenWrt and send text message
              
          
    Add the following line in /etc/dnsmasq.conf

dhcp-script=/etc/detect_new_device.sh
Setup sendmail to send email to your text number.

Reference:

https://wiki.openwrt.org/doc/howto/smtp.client


## gist:dc38f7a6f76f52e56c2e3805f8ba171c
module InterruptibleSleep
  def interruptible_sleep(seconds)
    @_sleep_check, @_sleep_interrupt = IO.pipe
    IO.select([@_sleep_check], nil, nil, seconds)
  end

  def interrupt_sleep
    @_sleep_interrupt.close if @_sleep_interrupt
  end
end

## interruptible_sleep.rb
# Shamelessly stolen from https://gist.github.com/ileitch/1459987

module InterruptibleSleep
  def interruptible_sleep(seconds)
    @sleep_check, @sleep_interrupt = IO.pipe
    IO.select([@sleep_check], nil, nil, seconds)
  end

  def interrupt_sleep
    @sleep_interrupt.close if @sleep_interrupt

## grrrid.css
.grrrid {
  display: grid;
  grid-template-columns: repeat( auto-fit, minmax( 200px, 1fr ) );
  grid-gap: 10px;
}

## mcfly_deploy
task :ask_confirmation do
  on roles(:all) do
    run_locally do
      puts "##########################################################".red
      puts "# Are you sure you want do deploy #{fetch :branch} to #{fetch :stage}".red
      puts "##########################################################".red

      if fetch(:stage) == "live" && fetch(:branch) != "master"
        abort "Mcfly? Anybody home? you can deploy live only from master"
      end

## dominant_colors.rb
require 'RMagick'

TOP_N = 10           # Number of swatches

# Create a 1-row image that has a column for every color in the quantized
# image. The columns are sorted decreasing frequency of appearance in the
# quantized image.
def sort_by_decreasing_frequency(img)
  hist = img.color_histogram
  # sort by decreasing frequency

## index.html
<!DOCTYPE html>
<html>
  <head>
    <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script>
    <script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js"></script>
    <style type="text/css">

rect {
  fill: none;
  stroke: #fff;
	<!DOCTYPE html>
	<html>
	<head>
	<style>
	.editor { font-family: 'Roboto Mono', monospace; font-size: 12px; outline: none; overflow-y: auto; padding-left: 48px; counter-reset: line; }
	.editor div { display: block; position: relative; white-space: pre-wrap; }
	.editor div::before { content: counter(line); counter-increment: line; position: absolute; right: calc(100% + 16px); opacity: 0.5; }
	</style>
	</head>
	require 'rails_helper'

	RSpec.describe TodosController, :type => :controller do

	describe "GET #index" do
	#describe "POST #create" do
	#describe "GET #show" do
	#describe "PATCH #update" do (or PUT #update)
	#describe "DELETE #destroy" do
	#describe "GET #new" do
	module InterruptibleSleep
	def interruptible_sleep(seconds)
	@_sleep_check, @_sleep_interrupt = IO.pipe
	IO.select([@_sleep_check], nil, nil, seconds)
	end

	def interrupt_sleep
	@_sleep_interrupt.close if @_sleep_interrupt
	end
	end
	# Shamelessly stolen from https://gist.github.com/ileitch/1459987

	module InterruptibleSleep
	def interruptible_sleep(seconds)
	@sleep_check, @sleep_interrupt = IO.pipe
	IO.select([@sleep_check], nil, nil, seconds)
	end

	def interrupt_sleep
	@sleep_interrupt.close if @sleep_interrupt
	.grrrid {
	display: grid;
	grid-template-columns: repeat( auto-fit, minmax( 200px, 1fr ) );
	grid-gap: 10px;
	}
	task :ask_confirmation do
	on roles(:all) do
	run_locally do
	puts "##########################################################".red
	puts "# Are you sure you want do deploy #{fetch :branch} to #{fetch :stage}".red
	puts "##########################################################".red

	if fetch(:stage) == "live" && fetch(:branch) != "master"
	abort "Mcfly? Anybody home? you can deploy live only from master"
	end
	require 'RMagick'

	TOP_N = 10 # Number of swatches

	# Create a 1-row image that has a column for every color in the quantized
	# image. The columns are sorted decreasing frequency of appearance in the
	# quantized image.
	def sort_by_decreasing_frequency(img)
	hist = img.color_histogram
	# sort by decreasing frequency