alanwei43

#!/usr/bin/env node

const hostsFilePath = "/etc/hosts";
const fs = require("fs");
const path = require("path");
fs.readFile(hostsFilePath, (err, data) => {
    let lines = data.toString().split("\n");
    console.log("lines: " + lines.length);

    let hosts = lines.map(line => line.replace(/\s+/g, " "))

alanwei43

获取对象的所有属性(包括原型链上的)

function getAllPropertyNames(obj) {
    const props = [];
    do {
        if (obj === Object.prototype)
            break;
        Object.getOwnPropertyNames(obj).forEach(prop => {
 if (!props.includes(prop)) {

alanwei43

function* createGenerator() {
    let first = yield 1;
    let second = yield first + 2;
    yield second + 3;
}
let iterator = createGenerator();

iterator.next(); // { value: 1, done: false}
iterator.next(4);// { value: 6, done: false}

alanwei43

#!/usr/bin/env dotnet-script

using System.Runtime.CompilerServices;
using System.IO;
using System.Text.RegularExpressions;

public static string GetScriptFolder([CallerFilePath] string path = null) => Path.GetDirectoryName(path);
static readonly var HOST_PATH = Environment.OSVersion.Platform == PlatformID.Unix ? "/etc/hosts" : @"C:\Windows\System32\drivers\etc\hosts";

public static async Task<IDictionary<String, List<String>>> GetPrettyHosts()

alanwei43

#r "nuget: Newtonsoft.Json, 12.0.2"

using System.Net.Http;
using static System.Console;
using Newtonsoft.Json;
using static Newtonsoft.Json.JsonConvert;

if (Args.Count == 0)
{
    Console.WriteLine($@"

alanwei43

# 0. Your file name
FNAME="$2"

# 1. Somehow sanitize the file content
#    Remove \r (from Windows end-of-lines),
#    Replace tabs by \t
#    Replace " by \"
#    Replace EOL by \n
CONTENT=$(sed -e 's/\r//' -e's/\t/\\t/g' -e 's/"/\\"/g' "${FNAME}" | awk '{ printf($0 "\\n") }')

alanwei43

{
    "globals" : 
    {
        "alwaysShowTabs" : true,
        "defaultProfile" : "{61c54bbd-c2c6-5271-96e7-009a87ff44bf}",
        "initialCols" : 120,
        "initialRows" : 30,
        "keybindings" : 
        [
            {

alanwei43

编辑 /etc/apk/repositories，然后在文件的最顶端添加(注意将 3.3 换成需要的版本)

http://mirrors.ustc.edu.cn/alpine/v3.3/main/

参考wiki

alanwei43

/**
 * 所有Promise都被 settled
 * @param {[{promise: function():Promise, data: {}}]} promises
 * @retu {Promise<[{isResolve: boolean, isReject: boolean, error: {}, result: {}, data: {}}]>}
 */
Promise.whenAllSettled = function (promises) {
    const isPromise = function (obj) {
        return obj && typeof obj.then === "function" && typeof obj.catch === "function";
    };

alanwei43

const fs = require("fs"), path = require("path");
let debugMode = false;

//#region 日志函数
function log(txt) {
    if (debugMode) {
        console.log(`[${new Date().toLocaleString()}] ${txt}`);
    }
}
function warn(txt) {