Proto Coders Point

New Articles

Login-Registration UI Screen using Android Expandable CardView Library

Android April 10, 2020

How to create TabBar in flutter

Flutter January 24, 2022

Alphabets Spinning A – Z & Picking Random Letter with Javascript

Scripting Languages February 28, 2024

Adding a flutter bottom navigation bar in android studio

Flutter October 13, 2019

Shared Preferences in Flutter – shared preferences to keep user logged?

Flutter March 5, 2020

Build WhatsApp Clone App UI Design using Flutter

Flutter April 23, 2020

What Are DNS Records & What are the kinds of DNS records?

Technical Blogs October 25, 2023

Flutter

Flutter password validation – Capital Small letter, number & special character

Hi Guys, Welcome to Proto Coders Point. In this Flutter Article, will learn how to validate a password field in flutter so that we...

Rajat Palankar - April 19, 2022

Android

Shimmer Effect Android – A Facebook Github – Display loading indicator

Rajat Palankar - January 13, 2020

Flutter

How to preserve scroll position of listview – flutter PageStorageKey

Rajat Palankar - June 26, 2022

Latest Articles

Database Management

AWS RDS MySQL Made Easy: A Step-by-Step Guide

Rajat Palankar - July 4, 2026

AWS

Build a Real-Time IoT Data Pipeline on AWS Using IoT Core, Kinesis, Lambda, S3, and DynamoDB

Rajat Palankar - May 24, 2026

AWS

Connect to AWS IoT Core using NodeJS & Publish MQTT Messages

Rajat Palankar - February 23, 2026

Node.js

Ultimate Node.js Backend Interview DSA Guide – 2026

Rajat Palankar - February 8, 2026

Flutter

Flutter Interview Questions and Answers (2026 Updated)

Rajat Palankar - January 12, 2026

Development Tools

DevOps Commands cheat sheet – Download PDF

Rajat Palankar - January 10, 2026

Error Solution

SSH Troubleshooting flowchart

Rajat Palankar - December 4, 2025

AWS

How to Set Up AWS Auto Scaling Group: Complete Step-by-Step Guide

Rajat Palankar - July 30, 2025

AWS

AWS Load Balancers with EC2 Instances – Complete Tutorial [2025]

Rajat Palankar - June 23, 2025

Node.js

Node.js Backend Developer Interview Prep (2025)

Rajat Palankar - June 2, 2025

Error Solution

How to Fix WSL Not Starting in Windows: 6 Easy Step-by-Step Solutions

Rajat Palankar - May 15, 2025

Development Tools

Getting Started with New Relic in Node.js Applications

Rajat Palankar - March 28, 2025