lhammond

To forward X11 from inside a docker container to a host running macOS

1. Install XQuartz: https://www.xquartz.org/
2. Launch XQuartz. Under the XQuartz menu, select Preferences
3. Go to the security tab and ensure "Allow connections from network clients" is checked.
4. Run xhost + ${hostname} to allow connections to the macOS host *
5. Setup a HOSTNAME env var export HOSTNAME=`hostname`*
6. Add the following to your docker-compose:

 environment:

lhammond

• Gstreamer Pipeline Samples
  • Video
    • display test video
    • record to file
    • record and display at the same time(queue)
    • record webcam to *.mp4(jetson nano)
    • fps test
  • Audio
  • Mux Video and Audio
• Media File

lhammond

# Use this file for a user-configurable ALSA soundcard setup.
# Place in the user's home folder (/home/ham/.asoundrc).

# This file is built for a Tigertronics Signalink USB, a USB
# soundcard designed to interface a computer with an amateur
# radio transceiver for digital mode operation. This
# configuration allows multiple programs to access the same
# sound device simultaneously without blocking the device.
# This configuration is built on a custom modprobe
# configuration file (/etc/modprobe.d/alsa-base.conf) to

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node_modules

lhammond

http://stackoverflow.com/questions/22667401/postgres-json-data-type-rails-query
http://stackoverflow.com/questions/40702813/query-on-postgres-json-array-field-in-rails

#payload: [{"kind"=>"person"}]
Segment.where("payload @> ?", [{kind: "person"}].to_json)

#data: {"interest"=>["music", "movies", "programming"]}
Segment.where("data @> ?",  {"interest": ["music", "movies", "programming"]}.to_json)
Segment.where("data #>> '{interest, 1}' = 'movies' ")
Segment.where("jsonb_array_length(data->'interest') > 1")

lhammond

sudo apt-get install libgd2-xpm-dev
sudo add-apt-repository ppa:ubuntugis/ubuntugis-unstable
sudo apt-get update
sudo apt-get install libgdal20 libgeos-c1v5 libmapserver2 cgi-mapserver mapserver-bin
sudo apt-get install spawn-fcgi

create /etc/init.d/mapserv
add the following

lhammond

#!/usr/bin/ruby

# README
# gem install aws-sdk
# add this to bashrc
# export HT_DEV_AWS_ACCESS_KEY_ID=????
# export HT_DEV_AWS_SECRET_ACCESS_KEY=????
# put your pem file in ~/.ssh and chmod 0400
# for more info see; https://rubygems.org/gems/aws-sdk

lhammond

export default class GeoJsonMapLayer extends React.Component {
  render() {
    return (
      <div>
      </div>
    );
  }

  componentWillUnmount() {
    if (this.layer) {

lhammond

var path = require('path');
var paths = require('./ionic.config').paths;


module.exports = {
  entry: [
    path.normalize('es6-shim/es6-shim.min'),
    'reflect-metadata',
    path.normalize('zone.js/dist/zone'),
    path.resolve('app/app')

lhammond

var gulp = require('gulp'),
    gulpWatch = require('gulp-watch'),
    del = require('del'),
    runSequence = require('run-sequence'),
    argv = process.argv;


/**
 * Ionic hooks
 * Add ':before' or ':after' to any Ionic project command name to run the specified