Explore my blog posts documenting the insights and solutions I've gained from overcoming challenges over the past three years. Dive into a range of topics and lessons that showcase my continuous growth and expertise.
Asynchronous programming is the backbone of modern JavaScript. Whether you’re fetching data from API’s, reading files or managing timers, understanding async patterns is crucial. this...
🥇 SERVICE SELECTION GOLDEN RULE Google always wants the MOST managed service possible. If two answers work → pick the less operational overhead one. 1️⃣...
1. Read the Question Backward First (Most Important Trick) Start with the last line: “What should you do?”“Which two actions should they take?”“Which deployment strategy...
1. IaaS (Infrastructure as a Service) IaaS provides raw infrastructure: We manage OS, runtime, middleware, scaling, security patches. GCP IaaS Services Service Purpose Compute Engine...
The CASE statement is the “if-then-else” of the SQL world. In PostgreSQL, it allows you to add conditional logic directly into your queries without needing...
In PostgreSQL, constraints are rules applied to columns or tables ti prevent invalid data from entering the database. They ensure the accuracy, reliability and integrity...
These three operations are typically performed using the following clauses in a SELECT statement: Operation SQL Clause Function Filtering WHERE Selects which rows to include...
Understanding data types is foundational for optimizing database design, ensuring data integrity, and enhancing application performance. Choosing the Right Data Type Selecting the proper data...
CRUD operations in PostgreSQL are the four basic actions you perform on table data: Create, Read, Update, Delete. These are done with standard SQL commands that...
Logging in Using pgAdmin Logging in Using psql Command Line Commands List all databases Connect to the database named postgres Disconnect Create database Drop database...
As the above image represents “Database vs Schema vs Table,” these are the fundamental hierarchy in a PostgreSQL (and most relational) database system. 1. Database...
GraphQl and REST(Representational State Transfer) are popular architecture for designing APIs to exchange data between a client and server. They achieve the same goal but...
A modern, JWT-based authentication system for WordPress that provides enhanced security, REST API endpoints, OTP verification, and mobile app support. This plugin transforms WordPress from...
These are the core concepts of NestJS, a progressive Node.js framwork designed for building efficient and scalable server-side applications. Let learn each core concept with...
NestJS is a progressive Node.js framework for building efficient and scalable server-side applications. In this guide, we’ll walk through setting up a NestJS project with...