mngyuan

#!/bin/zsh

FILELIST=$( find *film -maxdepth 2 -mindepth 2 -type f -print )
RANDOMFILE=$( echo $FILELIST | sort --random-sort | head -n 1 )

echo $RANDOMFILE
open $RANDOMFILE

mngyuan

#!/bin/zsh
# requires ffmpeg
# 
# you may need to change "framedump1.avi" to "framedump0.avi" or similar, but it's always "framedump1.avi" for me

cd ~/Library/Application\ Support/Slippi\ Launcher/playback/Slippi\ Dolphin.app/Contents/Resources/User/Dump
ffmpeg -i Frames/framedump1.avi -i Audio/dspdump.wav -map 0:v -map 1:a -c:v copy -shortest output.mp4

# add a bottom part so it's vertical aspect ratio so it can be uploaded to YouTube shorts
ffmpeg -i output.mp4 -i ~/Desktop/overlay.png -filter_complex vstack=inputs=2 -r 60 output-vertical.mp4

mngyuan

# usage: ./download.sh example-file.m3u8 output-name
# credit @brandur see https://brandur.org/fragments/ffmpeg-h265
ffmpeg -i "$1" -c:v libx265 -crf 35 -preset fast -tag:v hvc1 -c:a eac3 -b:a 224k $2.mp4

mngyuan

大家好！我是李梦远。我在找机会练习我的中文。要是你想跟我谈一谈一起练，请送我个短信！@mngyuan

                   d        |      |        i
                   r  ------|------|------  n
                   e     ___|______|___     g
                   a     |   |    |   |
                   m     |___|____|___|     d
                       /-----------------/  r
                   d  /     /________   /   e
                   r      _/        /       a

mngyuan

import React from 'react';

const Home = ({dispatch, currentRoute}) => {
  <span>
    You're at Home {currentRoute}.
    <a onClick={() => dispatch({type: 'PUSH', path: '/about'})}>
        About
    </a>
  </span>
};

mngyuan

Convert a screen recording into a GIF using ffmpeg

Record the screen

on MacOS:

• ⇧⌘5 to record part of the screen
• record with intended final aspect ratio if not padding
• trim recording appropriately

mngyuan

# context:
# list of privacy and security concerns:
# https://techcrunch.com/2020/03/31/zoom-at-your-own-risk/
# july 2019 exploit:
# https://www.theverge.com/2019/7/9/20688113/zoom-apple-mac-patch-vulnerability-emergency-fix-web-server-remove

# open zoom -> click zoom.us next to File -> Uninstall Zoom
# then:
# delete application
sudo rm -rf /Applications/zoom.us.app

mngyuan

image: node:alpine

# Cache node modules - speeds up future builds
cache:
  paths:
  - node_modules

pages:
  stage: deploy
  script:

mngyuan

Process:               tic80 [73213]
Path:                  /Applications/tic80.app/Contents/MacOS/tic80
Identifier:            com.nesbox.tic
Version:               0.70.6 (0.70.6)
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           tic80 [73213]
User ID:               501

Date/Time:             2020-01-30 10:10:31.161 -0800

mngyuan

import React, {useEffect, useRef} from 'react';
import {withRouter} from 'react-router-dom';

const ScrollableArea = ({children, location: {pathname}, resetOnPage}) => {
  const scrollableElem = useRef(null);
  useEffect(
    () => {
      resetOnPage ? (scrollableElem.current.scrollTop = 0) : null;
    },
    [pathname],