jboner

Latency Comparison Numbers (~2012)
----------------------------------
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

reiki4040

package main

import (
	"fmt"
	"os"
	"os/signal"
	"syscall"
)

func main() {

pkulak

package main

import (
	"bufio"
	"log"
	"os"
)

var concurrency = 100

artemgordinskiy

# For example, run "npm install"
docker run -v "$PWD":/usr/src/app -w /usr/src/app node:4 npm install

# This command creates a container (downloading one first if you don't have it locally), runs the command in a current directory and quits the container
# Great Success!

cecilemuller

How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

---

Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

archy-bold

<?php

use Illuminate\Foundation\Testing\WithoutMiddleware;
use Illuminate\Foundation\Testing\DatabaseMigrations;
use Illuminate\Foundation\Testing\DatabaseTransactions;

class ExamplePassportTest extends \PassportTestCase
{
    use DatabaseTransactions;

montrealist

How to get auto-deploy working from Gitlab to your Digital Ocean (DO) server.

Install https://github.com/olipo186/Git-Auto-Deploy (via apt-get):

sudo apt-get install software-properties-common
sudo add-apt-repository ppa:olipo186/git-auto-deploy
sudo apt-get update
sudo apt-get install git-auto-deploy

montanaflynn

package main

import (
	"fmt"
	"sync"
	"time"
)

func main() {