jaz303

Prerequisites

• openport
• netcat

Instructions

NB: server and client can be the same machine.
NB: on first Openport run it's necessary to visit a URL before traffic will be forwarded

jaz303

DROP TABLE IF EXISTS student;

CREATE TABLE student (
	id SERIAL PRIMARY KEY,
	name VARCHAR(255),
	state JSONB
);

INSERT INTO student (name, state) VALUES ('Bob', '{"completed": []}');

jaz303

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

static int do_sub(const char *key, size_t key_len, char *buffer, size_t buffer_len) {
	if (strncmp("HWVERSION", key, key_len) == 0) {
		return snprintf(buffer, buffer_len, "%d.%d.%d", 1, 2, 3);
	} else if (strncmp("xyzzy", key, key_len) == 0) {
		return snprintf(buffer, buffer_len, "%s", "quux");
	} else {

jaz303

database(:db, adapter: :pg, host: '127.0.0.1', port: 5432) do
  # reset logic here?
end

http_endpoint(:api, '127.0.0.1', 8000) do |addr, port|
  working_dir ".."
  run "build/api-server"
  env LISTEN: "#{addr}:#{port}"
end

jaz303

jaz303

ACTION=="add", SUBSYSTEM=="backlight", RUN+="/bin/chgrp video /sys/class/backlight/%k/brightness"
ACTION=="add", SUBSYSTEM=="backlight", RUN+="/bin/chmod g+w /sys/class/backlight/%k/brightness"

jaz303

template <HardwareSerial* T>
class SerialWriter
{
public:
    void        writeMessage(unsigned char *message, int length);
};

template <HardwareSerial* T>
void SerialWriter<T>::writeMessage(unsigned char *message, int length) {
    T->write(SafeSerial::MESSAGE_START);

jaz303

module.exports = function(cb) {
	let state = 'idle', cancel = null, pending = null;

	function submit(promise) {
		let cancelled = false;
		promise.then((res) => {
			if (!cancelled) {
				cb(res);
				oncomplete();
			}

jaz303

function createTransport({fps, reset, update, draw}) {
	const [UNKNOWN, READY, RUNNING] = enumeration('UNKNOWN', 'READY', 'RUNNING');

	const frameLength = Math.floor(1000 / fps);
	const clock = {dt: null};
	let state = UNKNOWN, timer = null, lastFrame = null, nextFrame = null;

	function _start() {
		if (state === RUNNING) return;
		if (state === UNKNOWN) _reset();

jaz303

function enumeration() {
	const out = [];
	for (let ix = 0; ix < arguments.length; ++ix) {
		let val = {};
		Object.defineProperty(val, 'name', {
			value: arguments[ix],
			writable: false,
			configurable: false
		});
		out.push(val);