semlinker’s gists

semlinker / FinallyTest.java

Last active November 6, 2019 11:01

Java try-catch-finally

semlinker / plink-plonk.js

Created February 20, 2020 00:14 — forked from tomhicks/plink-plonk.js

Listen to your web pages

	/*
	Copy this into the console of any web page that is interactive and doesn't
	do hard reloads. You will hear your DOM changes as different pitches of
	audio.

	I have found this interesting for debugging, but also fun to hear web pages
	render like UIs do in movies.
	*/

	const audioCtx = new (window.AudioContext \|\| window.webkitAudioContext)()

semlinker / on-load.js

Created August 18, 2020 01:07

Code Snippet for MutationObserver

	const watch = Object.create(null);
	const KEY_ID = "onloadid" + Math.random().toString(36).slice(2);
	const KEY_ATTR = "data-" + KEY_ID;
	let INDEX = 0;

	if (window && window.MutationObserver) {
	const observer = new MutationObserver(function (mutations) {
	if (Object.keys(watch).length < 1) return;
	for (let i = 0; i < mutations.length; i++) {
	if (mutations[i].attributeName === KEY_ATTR) {

semlinker / index.html

Created December 23, 2020 03:06

Clipboard API Demo for Copy Image and Text

	<!DOCTYPE html>
	<html lang="zh-cn">
	<head>
	<meta charset="UTF-8" />
	<title>Copy image and text</title>
	<meta name="viewport" content="width=device-width, initial-scale=1" />
	</head>
	<body>
	<div id="container">
	<img

semlinker / index.html

Last active June 4, 2023 07:10

Axios 取消重复请求

	<!DOCTYPE html>
	<html lang="zh-cn">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Axios 取消重复请求示例</title>
	<script src="https://cdn.bootcdn.net/ajax/libs/qs/6.9.6/qs.min.js"></script>
	<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
	</head>

semlinker / index.html

Created April 11, 2021 05:49

Axios 缓存请求数据示例

	<!DOCTYPE html>
	<html lang="zh-cn">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Axios 缓存请求数据示例</title>
	<script src="https://cdn.bootcdn.net/ajax/libs/qs/6.9.6/qs.min.js"></script>
	<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
	</head>

semlinker / axios-retry-adapter.html

Created April 17, 2021 14:49

Axios 请求重试示例

	<!DOCTYPE html>
	<html lang="zh-cn">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Axios 请求重试示例（适配器）</title>
	<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
	</head>
	<body>

semlinker / index.html

Created April 18, 2021 09:22

JavaScript 中实现大文件并行下载

	<!DOCTYPE html>
	<html lang="zh-cn">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>多线程下载示例</title>
	<script src="multi-thread-download.js"></script>
	</head>
	<body>

semlinker / app.js

Last active January 29, 2023 18:55

在线解压ZIP文件

	const path = require("path");
	const Koa = require("koa");
	const cors = require("@koa/cors");
	const Router = require("@koa/router");
	const StreamZip = require("node-stream-zip");

	const app = new Koa();
	const router = new Router();
	const ZIP_HOME = path.join(__dirname, "zip");
	const UnzipCaches = new Map();

semlinker / directory-upload.js

Created May 11, 2021 14:10

	const path = require("path");
	const Koa = require("koa");
	const cors = require("@koa/cors");
	const multer = require("@koa/multer");
	const Router = require("@koa/router");
	const fse = require("fs-extra");

	const app = new Koa();
	const router = new Router();
	const paths = path.sep + ["public", "upload"].join(path.sep);

阿宝哥 semlinker