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const fs = require("fs");
const path = require("path");

function readMetadata(audioFilePath) {
	fs.open(audioFilePath, "r", function (err, fd) {
		if (err) {
			console.error("Error opening file:", err);
			return;
		}

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Fib

Simple fibonacci number calculator.

Usage: fib nth Fibonacci number

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netsh int ipv4 show excludedportrange protocol=tcp

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查看 git 日志

git log --author="NovusLio" --pretty=tformat: --numstat --since=1.day.ago | awk '{ add += $1; subs += $2; loc += $1 - $2 } END { printf "added lines: %s, removed lines: %s, total lines: %s\n", add, subs, loc }' -

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migration 的操作

创建 migration

php artisan make:migration [自定义名称]

PHP代码

<?php

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/* LIKE 查询系统配置变量 */
SHOW VARIABLES LIKE '%Trans%';

/* LIKE 查询系统状态 */
SHOW STATUS LIKE  '%变量名% ';

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清理磁盘文件

1. 找出占用空间大的文件

命令格式 :

du -h[输出人类可读的格式] [指定目录] --max-depth=[指定搜索文件层级深度]

命令示例 :

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var IndexRedirect = {
    getUrlVars : function ()
    {
        var vars = {};
        var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi,
            function (m,key,value)
            {
                vars[key] = value;
            });
        return vars;

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crontab -e
* * * * * /usr/bin/curl '$url' >/dev/null 2>&1;