donly

import Foundation

/**
 Set FourCharCode/OSType using a String.
 
 Examples:
 let test: FourCharCode = "420v"
 let test2 = FourCharCode("420f")
 print(test.string, test2.string)
*/

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func getSystemUUID() -> String? {
  let dev = IOServiceMatching("IOPlatformExpertDevice")
  let platformExpert: io_service_t = IOServiceGetMatchingService(kIOMasterPortDefault, dev)
  let serialNumberAsCFString = IORegistryEntryCreateCFProperty(platformExpert, kIOPlatformUUIDKey as CFString, kCFAllocatorDefault, 0)
  IOObjectRelease(platformExpert)

  guard let ser: CFTypeRef = serialNumberAsCFString?.takeUnretainedValue() else { return nil }

  if let result = ser as? String {
      return result

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# got this from http://stackoverflow.com/questions/8672809/use-ffmpeg-to-add-text-subtitles

ffmpeg -i infile.mp4 -f srt -i infile.srt -c:v copy -c:a copy -c:s mov_text -metadata:s:s:0 language=chi outfile.mp4


# confirmed working with the following ffmpeg
# (installed using `brew 'ffmpeg', args: ['with-libvorbis', 'with-libvpx']` )
ffmpeg version 4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with Apple clang version 12.0.0 (clang-1200.0.32.2)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.3.1_1 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libx

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//HC-SR04+

const int trigpin = D4;  
const int echopin = D3;  
long duration;  
int distance;  
void setup(){  
  pinMode(trigpin,OUTPUT);  
  pinMode(echopin,INPUT);  
  Serial.begin(115200);

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#define BUZZER D6
#define LIGHTD D11

void setup() {
  Serial.begin(115200);
  Serial.println("setup");
  
  pinMode(BUZZER, OUTPUT);
  digitalWrite(BUZZER, HIGH);

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#define BUZZER D6

void setup() {
  Serial.begin(115200);
  Serial.println("setup");
  
  pinMode(BUZZER, OUTPUT);
  digitalWrite(BUZZER,HIGH);
}

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import Foundation

let names = ["Dong", "Chris", "Alex", "Ewa", "Barry", "Baniella"]

// 1.Origin
func forward(_ s1: String, _ s2: String) -> Bool { return s1 < s2 }
var orderNames = names.sorted(by: forward)

// 2.Closure writen as entired format
var reverseNames = names.sorted (by: { (s1: String, s2: String) -> Bool in

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enum Rank: Int, CustomStringConvertible {
    case ace = 1
    case two, three, four, five, six, seven, eight, nine, ten
    case jack, queen, king

    func simpleDescription() -> String {
        switch self {
            case .ace:
                return "ace"
            case .jack:

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1. Install plugin Custom CSS and JS Loader
2. Open setting.json add lines below

    "vscode_custom_css.imports": ["file:///Users/Don/Documents/vscode/customtheme/vscode-vibrancy.css",
   "file:///Users/Don/Documents/vscode/customtheme/vscode-vibrancy.js"],
   "vscode_custom_css.policy": true,
   "terminal.integrated.rendererType": "dom"
   

3. CMD + Shift + p, reload custom css and js
4. Restart VSCode

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#!/usr/bin/env python3
# -*- coding: utf8 -*-

if __name__ == "__main__":
    import glob, os, datetime, fileinput
    cwd = os.getcwd()
    files = [f for f in glob.glob(cwd + os.path.sep + "**/*.rst", recursive=True)]
    for f in files:
      modifieddate = datetime.datetime.fromtimestamp(os.path.getmtime(f))
      if not ':date:' in open(f).read():