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Project Info

This example demonstrates how to handle browser push notifications using vanilla HTML & JavaScript via Web Push API. WebPush API sends messages from the server (backend) to the client (browser/mobile phone). The API uses HTTP2 protocol which requires HTTPS connection (unless you're in localhost) The server sends messages to the client's browser via Firebase Cloud Messaging API (or FCM for short).

Prerequisites

• You need to obtain the public VAPID key to be able to connect to the server. Look up generate-VAPID-key.md file.
• Make sure Backend server uses the same VAPID keys.

MirzaLeka

.NET to Node.js via Rabbit MQ

• Sender: .NET 8
• Receiver: Node.js
• Protocol: AMQPS (secured AMQP)
• RabbitMQ Host:: AWS (AMQ)

Package Versions

.NET

MirzaLeka

Angular Reactive Forms with Validations & Async Validations

• Full Guide

MirzaLeka

DayJS Sort By Date

var dayjs = require("dayjs")

let n = [ '2018-10-05T10:30:00',
  '2018-10-05T08:05:00',
  '2018-10-05T08:20:00',
  '2018-10-05T08:30:00',
 '2018-10-05T10:10:00',

MirzaLeka

Angular 18 Upgrade Guide

Version before the update:

• Angular: 17.3
• Node.js: 18.8

Install Node.js LTS

• Download Node.js 20.17.0
• Install on the machine

MirzaLeka

C# - Read Object MetaData using Reflections

C# is statically typed language which requires explicit handling for runtime inspection.

Reflection is what allows C# developers to inspect data structures by looking up:

• The type of an object
• Properties
• Methods, etc.

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Read JSON file into a C# Classes

Create the class skeleton

using Newtonsoft.Json; // Requires installation

public class LINQTutorial
{
    private List<Student> _students;

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Reactive Validation Triggers in Angular Forms

Learn how to enhance Angular form validations using Reactive Forms and a few gimmicks.

Demos

Input + Time based validation trigger

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C# Web API Read Request Headers from Middleware and Controller

Headers Model

Adding [FromHeader(Name = "<header-name>") attribute is crutial for reading the headers on the controller level.

	public class TodoHeaders
	{
		[FromHeader(Name = "header1")]

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Documenting JS/TS Code using JSDoc & Typedoc

Initialize the Node.js project using NPM:

> npm init -y

Update the package.json to use ES Modules