7kfpun

.selector { 
  /* Positioning */ 
  position: absolute; 
  z-index: 10; 
  top: 0; 
  right: 0; 
  bottom: 0; 
  left: 0;

  /* Display & Box Model */

7kfpun

apt -y install python3-venv python-pip

7kfpun

### Fundamental
- Use auto_increment integer as primary key for **all** tables(make its name be `id`)
- Comment is required for new columns& new tables
- Use `utf8` as the default charset for character type
- Single table size < 50 millions records
- Do not store images, files as binary type in database
- Do not connect **production** database through `ldev`, `dev`, `test` and `sandbox` environment
- Do not do **stress test** on production database

### Naming convention

7kfpun

const AQIURL = 'https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20html%20where%20url%3D%22http%3A%2F%2Fwww.weather.org.hk%2Fenglish%2Faqi.html%22%20and%20xpath%3D%22%2F%2Ftable%2F%2Ftable%2F%2Ftable%22&format=json&diagnostics=true&callback=';
fetch(AQIURL)
  .then(res => res.json())
  .then((json) => {
    // console.log(json.query.results)
    console.log(json.query.results.table[0].tbody.tr.td.center.b.replace('Time: ', ''));
    let result = {};
    json.query.results.table[1].tbody.tr.slice(2).forEach((element) => {
      result[element.td[0]] = {
        NO2: element.td[1].font.content,

7kfpun

# Resizing video to fit App preview requirement
ffmpeg -i input.mp4 -acodec copy -crf 12 -vf scale=1080:1920,setsar=1:1 output.mp4

# Double speed up
ffmpeg -i input.mkv -filter:v "setpts=0.5*PTS" -r 30 output.mkv

# Double speed up/slowing down audio:
ffmpeg -i input.mkv -filter:a "atempo=2.0" -vn output.mkv

ffmpeg -i video.mp4 -i audio.wav \

7kfpun

adb shell screencap -p | perl -pe 's/\x0D\x0A/\x0A/g' > screen.png

7kfpun

{
  "images" : [
    {
      "size" : "29x29",
      "idiom" : "iphone",
      "filename" : "icon-small@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "29x29",

7kfpun

// This API is officially deprecated and will stop working after December 15th, 2016.
// const RSS = (url) => {
//   const GOOGLE_FEED_API_URL = `https://ajax.googleapis.com/ajax/services/feed/load?v=1.0&num=-1&q=${encodeURIComponent(url)}`;

//   return fetch(GOOGLE_FEED_API_URL).then(res => res.json());  // eslint-disable-line no-undef
// };

const RSS = (url) => {
  const YAHOO_FEED_API_URL = `https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20feed%20where%20url%3D%27${encodeURIComponent(url)}%27&format=json&diagnostics=true&callback=`;

7kfpun

### Keybase proof

I hereby claim:

  * I am 7kfpun on github.
  * I am 7kfpun (https://keybase.io/7kfpun) on keybase.
  * I have a public key ASCz-CUriFM3SHBl60Z2asfU2n4ayF8mVEGAp8uCE0TfJgo

To claim this, I am signing this object:

7kfpun

convert -size 512x512 xc:none -draw "roundrectangle 0,0,512,512,40,40" png:- | convert src.png -matte - -compose DstIn -composite dst.png