billykwok

function insertSortRec(array) {
  if (array.length <= 1) {
    return array;
  } else {
    const key = array.pop();
    let subArray = insertSortRec(array);
    let i = subArray.length - 1;
    while (i >= 0 && subArray[i] > key) {
      subArray[i + 1] = subArray[i];
      --i;

billykwok

function selectSort(array) {
  for (let j = 0; j < array.length; ++j) {
    let indexOfMin = j;
    for (let i = j + 1; i < array.length; ++i) {
      if (array[i] < array[indexOfMin]) indexOfMin = i;
    }
    [ array[j], array[indexOfMin] ] = [ array[indexOfMin], array[j] ];
  }
  return array;
}

billykwok

function minMax(array) {
  if (array.length <= 1) {
    return [ array[0], array[0] ];
  } else if (array.length == 2) {
    return array[0] < array[1] ? [ array[0], array[1] ] : [ array[1], array[0] ];
  } else {
    const breakpt = array.length / 2;
    const [ minLeft, maxLeft ] = minMax(array.slice(0, Math.floor(breakpt)));
    const [ minRight, maxRight ] = minMax(array.slice(Math.floor(breakpt)));
    return [ minLeft < minRight ? minLeft : minRight,

billykwok

#include "smallsh.h" /* include file for example */
#include <stdlib.h>
#include <signal.h>

/* program buffers and work pointers */
static char inpbuf[MAXBUF], tokbuf[2*MAXBUF], *ptr = inpbuf, *tok = tokbuf;
int intr_p = 0;
char *prompt = "Command>"; /* prompt */
int fg_pid = 0;

billykwok

char decodeKey(unsigned long key, unsigned char times) {
  switch (*key) {
    case REMOTE_BTN_0: return ' ';
    case REMOTE_BTN_1: return '1';
    case REMOTE_BTN_2:
      switch (times) {
        case 2: return 'B';
        case 3: return 'C';
        case 2: return 'B';
        case 3: return 'C';

billykwok

Keybase proof

I hereby claim:

• I am billykwok on github.
• I am billykwok (https://keybase.io/billykwok) on keybase.
• I have a public key ASBUqKMA-0HO7jfigtVIq4kvqTmuVwCMqqdzha_DOE2Wqgo

To claim this, I am signing this object:

billykwok

#define _TASK_MICRO_RES

#include <TaskScheduler.h>
#include <TaskSchedulerDeclarations.h>
#include <TaskSchedulerSleepMethods.h>

#define PWM_PERIOD 10000
#define SAMPLING_FREQUENCY 150
#define LED_BLUE LED_BUILTIN
#define LED_RED PIN_SPI_MISO

billykwok

import SerialPort from 'serialport';
import Vibrant from 'node-vibrant';
import readline from 'readline';
import util from 'util';

(async () => {
  const entries = await SerialPort.list();
  const entry = entries.find(
    (it) => it.manufacturer && it.manufacturer.includes('Arduino')
  );

billykwok

#define BAUD_RATE 9600
#define DELIMITER '\n'
#define SAMPLING_RATE 100

#define LED_RED 9
#define LED_GREEN 10
#define LED_BLUE 11

int t = 0;
int dt = 1;

billykwok

import SerialPort from 'serialport';
import readline from 'readline';

(async () => {
  const entries = await SerialPort.list();
  const entry = entries.find(
    (it) => it.manufacturer && it.manufacturer.includes('Arduino')
  );
  if (!entry) {
    console.warn('No Arduino found');