awilliams

// HTTP server which periodically emits a message, in this case, "💩 ".
//
// Idea taken from http://robpike.io/
// Test with: curl -i -N http://localhost:8080

package main

import (
	"fmt"
	"io"

awilliams

This is available at: gist

Raspberry Pi

Creating image

• Download image from http://www.raspberrypi.org/downloads/
• Check where the SD card is mounted df -h
• Unmount SD card diskutil unmountDisk /dev/disk2

awilliams

# Add this to ~/.ssh/config, changing the Host and IdentifyFile definitions as needed.
# Run `vagrant ssh-config` for more info.

Host devbox
      HostName 127.0.0.1
      User vagrant
      Port 2222
      ForwardAgent yes
      IdentityFile ~/vms/devbox/.vagrant/machines/default/virtualbox/private_key
      UserKnownHostsFile /dev/null

awilliams

go test -run none -bench . -benchtime 3s -benchmem
testing: warning: no tests to run
PASS
BenchmarkAlgorithmOne-8      2000000          2590 ns/op          53 B/op          2 allocs/op
BenchmarkAlgorithmTwo-8      5000000           957 ns/op           0 B/op          0 allocs/op
BenchmarkAlgorithmThree-8    3000000          1470 ns/op          16 B/op          1 allocs/op
BenchmarkAlgorithmFour-8     2000000          1907 ns/op           1 B/op          1 allocs/op
BenchmarkAlgorithmFive-8     2000000          2026 ns/op           1 B/op          1 allocs/op
BenchmarkAlgorithmSix-8      2000000          2177 ns/op          16 B/op          1 allocs/op
BenchmarkAlgorithmSeven-8    2000000          1878 ns/op         176 B/op          3 allocs/op

awilliams

#!/usr/bin/env bash
set -eu

# Proof-of-concept script to demonstrate using an AppRole
# generated token for the kubernetes-vault controller.
# https://github.com/Boostport/kubernetes-vault

# Expects vault local development server to be running.
# Launch with:
#   vault server -dev

awilliams

package main

// Duplicate image detector.
//
// Usage:
// ./dupimgs -dir .
//
// This will recursively search the given directory for files with
// {.jpg, .jpeg} extensions (currently hardcoded). For each file with
// such an extension, the MD5 hash of the file's contents will be calculated.