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Using withCache

const myFriends: CacheMap<{ name: string; age: number }> = {}

async function fetchMyFriendsFromCity(fromCity: string) {
  // This is to preserve the name of the function in the stack trace
  const fetchMyFriendsFromCity = async () => {
    console.log('Fetching my friends from the database...')
    return (await db.query('SELECT * FROM friends WHERE city = ?', [fromCity])).rows

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'use strict'

const password = 'secure secret key'

const encrypt = (content, password) => CryptoJS.AES.encrypt(JSON.stringify({ content }), password).toString()
const decrypt = (crypted, password) => JSON.parse(CryptoJS.AES.decrypt(crypted, password).toString(CryptoJS.enc.Utf8)).content

// Encrypt
const encryptedString = encrypt('This is a string', password)
const encryptedObject = encrypt({ test: 'This is an object' }, password)

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/**
 * CodeMirror NPM dynamic language module loader.
 * To be used with WebPack.
 *
 * @example
 * loadCodeMirrorModule(codeMirrorLanguages.JavaScript.codeMirrorMode)
 *
 * @author rigwild <https://github.com/rigwild>
 * @see https://gist.github.com/rigwild/ce6b4c6a893c3a95f75cc0aca633f037
 * @license MIT

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Red Hat free repositories

You need a subscription to access Red Hat sources servers.

Fortunately, you can access most of the packages freely with other sources.

Note: Edit scripts to match your RHEL version! You can view it with hostnamectl.

EPEL repository

EPEL is a repository targetted at Fedora users. It can be used with the following systems:

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# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

# If not running interactively, don't do anything
case $- in
    *i*) ;;
      *) return;;
esac

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Patch APK

Full tutorial to patch APKs on Android using apk-mitm and APKLab. Support for bundle APKs.

Pull APK

adb shell pm list packages
adb shell pm path <package_name>

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PgpHelper

Super simple helper class to use OpenPGP.js without getting an headache

See https://github.com/openpgpjs/openpgpjs

Install dependencies

npm i openpgp

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#!/bin/bash

set -e
set -x

# Directory to save the JSON files and images
mkdir -p coolcats
cd coolcats

# Loop from 1 to 9999

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' Save presentation as pptm then create a macro in "View > Macros", run it
Sub MkVideo()
If ActivePresentation.CreateVideoStatus <> ppMediaTaskStatusInProgress Then
ActivePresentation.CreateVideo FileName:=Environ("USERPROFILE") & "\Desktop\video.wmv", _
UseTimingsAndNarrations:=True, _
VertResolution:=1080, _
FramesPerSecond:=60, _
Quality:=100
Else: MsgBox "There is another conversion to video in progress"
End If

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Introduction

The goal of this this tutorial is to fully deploy a VM with multiple apps.

All the apps data will be stored in Docker volumes mounted to the host at /var/www/my-deploys for easy edit and backup. The benefit of this is you can create a GitHub repository and store all your configuration files in one place.

To deploy the docker-compose.yml of the apps below into Portainer, go to Stacks > Add stack.

Pre-requisites