SoTosorrow

* at https://github.com/microsoft/WSL/discussions/4872
> touch /etc/fstab
> update-alternatives --set iptables /usr/sbin/iptables-legacy
> update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
> service docker start

SoTosorrow

from PIL import Image, ImageGrab
from plyer import notification
import time
import numpy as np
import pytesseract
import easyocr
import keyboard

class TesseractOcr:
    def __init__(self):

SoTosorrow

fn main() {
    let mut file = File::options().read(true).write(true).open("json.txt").unwrap();
    let mut file_reader = BufReader::new(file);     // Rust文件读写是无缓冲的， 使用BufReader/BufWriter为文件读写增加缓冲
    let mut result = String::new();
    let mut result2 = String::new();
    
    // Rust 文件操作会改变seek位置，且多个clone共享。当某个clone read_to_string后，此时file已经到EOF，其他clone再读也是空。必须重置seek
    // let seek = file.seek(std::io::SeekFrom::Current(0)).unwrap();
    // file.try_clone().unwrap().read_to_string(&mut result).unwrap();
    // file.seek(std::io::SeekFrom::Start(seek)).unwrap();

SoTosorrow

let piano_frequencys = [
    27.500,   29.135,   30.868,   32.703,   34.648,   36.708,   38.891,   41.203, 
    43.654,   46.249,   48.999,   51.913,   55.000,   58.270,   61.735,   65.406,  
    69.296,   73.416,   77.782,   82.407,   87.307,   92.499,   97.999,   103.826,
    110.000,  116.541,  123.471,  130.813,  138.591,  146.832,  155.563,  164.814, 
    174.614,  184.997,  195.998,  207.652,  220.000,  233.082,  246.942,  261.626, 
    277.183,  293.665,  311.127,  329.628,  349.228,  369.994,  391.995,  415.305,
    440.000,  466.164,  493.883,  523.251,  554.365,  587.330,  622.254,  659.255, 
    698.456,  739.989,  783.991,  830.609,  880.000,  932.328,  987.767,  1046.502, 
    1108.731, 1174.659, 1244.508, 1318.510, 1396.913, 1479.978, 1567.982, 1661.219,

SoTosorrow

tokio::runtime::Builder::new_multi_thread().worker_threads(4).enable_all().build().unwrap().block_on(
    async{
        let mut handles = Vec::with_capacity(8);

        for i in 1..4{
            let joinhandle = tokio::spawn(async move{
                tokio::task::yield_now().await;
                co_run(i).await;
            });
            handles.push(joinhandle);

SoTosorrow

风雪渐披肩，入夜阑火蜷