balexand

:aws_signature.sign_v4_query_params(
      s3_config.access_key_id,
      s3_config.secret_access_key,
      s3_config.region,
      "s3",
      :erlang.universaltime(),
      "GET",
      "https://#{s3_config.bucket}.s3.#{s3_config.region}.amazonaws.com/#{asset.key}",
      body_digest: "UNSIGNED-PAYLOAD"
    )

balexand

var svg = document.getElementsByTagName("svg")[0];
var bbox = svg.getBBox();
[bbox.x, bbox.y, bbox.width, bbox.height].join(" ");

balexand

Forked from this, but added slider.

balexand

# add the -t option for tracks
gpsbabel -t -i kml -f Telluride.kml -o garmin -F usb:
  
# To get Caltopo tracks to show up in Backcountry Navigator App, convert the KML using gpsbabel
gpsbabel -i kml -f from_cal_topo.kml -o gpx -F to_app.gpx

balexand

<?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xmlns="http://s3.amazon.com/doc/2006-03-01/">
    <CORSRule>
        <AllowedOrigin>https://tracker-dvd.ufcfit-one.com</AllowedOrigin>
        <AllowedMethod>GET</AllowedMethod>
        <AllowedMethod>POST</AllowedMethod>
        <AllowedMethod>PUT</AllowedMethod>
        <MaxAgeSeconds>3000</MaxAgeSeconds>
        <AllowedHeader>*</AllowedHeader>
    </CORSRule>

balexand

int MOTOR_A_BRAKE = 9;
int MOTOR_A_SPEED = 3;
int MOTOR_A_DIR   = 12;

int MOTOR_B_BRAKE = 8;
int MOTOR_B_SPEED = 11;
int MOTOR_B_DIR   = 13;

void setup() {                
  pinMode(MOTOR_A_SPEED, OUTPUT);

balexand

#!/usr/bin/env ruby
# Remove all gems EXCEPT defaults :)

`gem list -d`.split(/\n\n^(?=\w)/).each do |data|
  match = data.match(/(?<name>([^\s]+)) \((?<versions>.*)\)/)
  name = match[:name]
  versions = match[:versions].split(', ')

  if match = data.match(/^.*\(([\d\.]*),? ?default\): .*$/)
    next if match[1].empty? # it's the only version if this match is empty

balexand

convert -delay 200 -loop 0 -crop 200x200+0+0 +repage *.png animated.gif

balexand

#!/bin/bash

### BEGIN INIT INFO
# Provides:             iptables
# Required-Start:       $syslog
# Required-Stop:        $syslog
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    Firewall
### END INIT INFO

balexand

if Rails.env.development?
  class XipIoMiddleware
    def initialize(app)
      @app = app
    end

    def call(env)
      %w{HTTP_HOST SERVER_NAME SERVER_ADDR HTTP_X_FORWARDED_HOST}.each do |key|
        env[key] = env[key].sub(/myapp\.\d+\.\d+\.\d+\.\d+\.xip\.io/, "myapp.dev") if env[key].present?
      end