Sometimes we need to mock an ObjectId for testing.new ObjectId("randomstring") would give an error Error: Argument passed in must be a single String of 12 bytes or a string of 24

I'm really satisfied of using https://github.com/ohmyzsh/ohmyzsh.Since I'm working with different node.js projects, they may use different node versions, and keeping track of node version in console would

Just after setup of raspberry pi, there is an opportunity to connect via ssh to newly created machine just typing:ssh pi@raspberrypi.localAnd the default password is :raspberryAfter the basic configuration a

There are some great tools for connecting the windows and linux, but they comes from mammoth ages, though.You'll need: WinSCP PuTTYgen Install Terminal & ssh add-on.2. Create key with PuTTYgen. Hit

The idea is to split strings into a words, but if there is some groups of characters withing quotes or double quotes it's considered to be a single term.For example: `Multiple "texts

Installing hass.io on a raspberry piSo just flashed my SD card with etcherI dont have a lan cable, so I want plug it into a WiFi alreadyCreated file with no extensionE:\CONFIG\

So, I bought a couple of Sonoff smart switches. T3EU2C and T3EU1C.So the name means T3 - 3rd generation, EU - european power plug, 1C/2C - 1 channel/2 channel switch.

I've tried to find a sane tutorial of creating a ghost theme, but failed.  Most of the tutorials missed the testing part. So you basically have to make your changes on a theme,

I've a smart home setup made of couple of zigbee compatible devices, and hub made up of CC2531 USB stick flashed for zigbee connected to a raspberry pi with homeassistant and zigbee2mqtt services.

Creating an app and dockerizing it is a good experience, but now it's time to run this container somewhere in the cloud. The most popular option nowadays is an Amazon Web Services. In

Lets create simple node appmkdir app && cd app npm init -y -s npm i --save express touch index.jsNow open index.js in your favourite text editor, and paste the sample

Some time ago on the I've been asked about dead zone exception in javascript, I didn't know what it is so started googling.Ok, so there is no any kind of Exception called

The server'use strict'; const fs = require('fs'); const net = require('net'); const filename = process.argv[2]; const server = net.createServer((connection) => { console.log('Subscriber connected.'); connection.write(JSON.stringify({ type: 'watching',

Simple tcp server that watches file changes and notifies clients about em.'use strict'; const fs = require('fs'), net = require('net'), filename = process.argv[2], server = net.createServer((connection) => { console.log('Subscriber

TIL that hash-bang or shebang or #! that I regularly saw the begging of every bash script is more than just some system notation.So create file hello.js with the following content:#!/usr/

Installing DynamoDb locallyIs available via binaries or docker. Or serverless integrated:sls dynamodb installRunning DynamoDb locallyRun using java or docker or using sls dynamodb start . To ignore credentials pass param --shareDb.There is

Version of used dependencies:$ node --version v10.16.0 $ npm --version 6.9.0 $ npx tsc --version Version 3.5.3 $ npx jest --version 24.9.0Jest configuration file jest.config.js for

The package.json scripts section should look like:"scripts" : { "build": "tsc", "prestart": "npm run build", "start": "node out/index.js", ... }My tsconfig.json is looking like this:{ "compilerOptions": { "outDir": "./out", "rootDir": "./src", "sourceMap"

DETAIL: Expected string, but found "}".Usually this occurs because of trailing comma.