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export interface Cache { | |
addValue(key: any, value: any, ttl?: number): void | Promise<void>; | |
getValue(key: any): Promise<T>; | |
hasExpired(key: string): boolean | Promise<boolean>; | |
deleteValue(key: string): T | Promise<T>; | |
} | |
export class MemoryCache extends Map implements Cache { | |
addValue(key: any, value: any, ttl?: number) { | |
if (typeof ttl !== 'number') { |
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export type Callback = (...args: any[]) => any; | |
export class Callbacks { | |
#callbacks: Map<string, Callback[]>; | |
constructor() { | |
this.#callbacks = new Map(); | |
} | |
add(name: string, fn: any) { |
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version: '2.1' | |
services: | |
kafka-ui: | |
container_name: kafka-ui | |
image: provectuslabs/kafka-ui:latest | |
ports: | |
- "9888:8080" | |
environment: | |
DYNAMIC_CONFIG_ENABLED: "true" |
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import crypto from 'crypto'; | |
export default class AESCipher { | |
#key: Buffer; | |
constructor(key: string) { | |
const hash = crypto.createHash('sha256'); | |
hash.update(key); | |
this.#key = hash.digest(); | |
} |
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写测试 | |
``` | |
time dd if=/dev/zero of=/tmp/test bs=8k count=1000000 | |
``` | |
读测试 | |
``` | |
time dd if=/tmp/test of=/dev/null bs=8k |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta name="content-type" content="text/html;charset=utf-8" /> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0, viewport-fit=cover" /> | |
<title>hello mirror</title> | |
</head> | |
<body> | |
<h1>Hello Mirror</h1> | |
<h2>Support Server</h2> |
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# | |
# /etc/sysctl.conf - Configuration file for setting system variables | |
# See /etc/sysctl.d/ for additonal system variables | |
# See sysctl.conf (5) for information. | |
# | |
#kernel.domainname = example.com | |
# Uncomment the following to stop low-level messages on console | |
#kernel.printk = 3 4 1 3 |
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#!/bin/bash | |
TXT="包含的文本" | |
docker rmi $(docker images | grep $TXT | awk '$1 { print $1":"$2 }') |
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Promise.resolve() | |
.then(() => { | |
return new Promise((resolve) => { | |
setTimeout(() => { | |
resolve(1); | |
}, 3000); | |
}); | |
}) | |
.then((res) => { | |
console.log(res); // 这里就是 1 |
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/** | |
* - | |
* @param {string} fmt - | |
* @returns {string} - | |
*/ | |
Date.prototype.format = function (fmt) { | |
const dateObject = { | |
"y+": this.getFullYear(), | |
"M+": this.getMonth() + 1, // 月份 | |
"d+": this.getDate(), // 日 |
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