muaazsaleem

#!/bin/bash

PNG_PATH=~/Desktop

shopt -s nullglob
png_files=($PNG_PATH/*.png)
shopt -u nullglob

for pfile in "${png_files[@]}"; do
  jfile="${pfile%.png}.jpg"

muaazsaleem

live_loop :rolling_drum do
  sample :drum_roll, amp: 0.5
  sleep 16
end

live_loop :heavy_kick do
  sample :drum_heavy_kick, amp: 0.5
  sleep 0.5
end

muaazsaleem

Latency Comparison Numbers
--------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

muaazsaleem

package main

import (
	"fmt"
	"sync"
)

type Fetcher interface {
	// Fetch returns the body of URL and
	// a slice of URLs found on that page.

muaazsaleem

defmodule PubSubServer do
  def start(subscriber_callback \\ nil) do
    spawn(__MODULE__, :run, [[ ], subscriber_callback])
  end

  def subscribe(server, handler) do
    send(server, {:subscribe, self})
    listen(handler)
  end