Saving and Reviving a Basic Machine Learning Model
{% raw %} In Machine learning, while working with the scikit-learn (sklearn) library or any other modules, we need to save the trained models in a file and restore them in order to reuse them to ...
Chirpy
Introduction to DDL (Data Definition Language) in SQL
{% raw %} When we talk about databases, we usually think of inserting, updating, or deleting data. But before doing any of that, we must first define the structure the blueprint of how data will ...
Understanding Common Table Expressions (CTE) in SQL — Simplifying Complex Queries
{% raw %} In SQL, we often deal with queries that involve multiple subqueries, aggregations, or recursive lookups. When these start to get long and unreadable, that’s where CTE (Common Table Expre...
PostgreSQL Backups: Protecting Your Data Like an Architect
{% raw %} When you run a database, your data is everything. It powers your applications, analytics, and often, your entire business.Now imagine a sudden power failure, a disk crash, or a developer...
Inventory and Order Management System - MongoDB Capstone Project - MDB-P-002
{% raw %} Overview The Inventory and Order Management System is an end-to-end MongoDB project focused on managing products, suppliers, and customer orders. It covers all aspects of database manage...
Student Progress Tracker - MongoDB Capstone Project - MDB-P-001
{% raw %} Objective Build a Student Progress Tracker to manage students, courses, and their grades — focusing on CRUD, indexing, transactions, aggregation, and full disaster recovery (backup, rest...
Consistent Hashing in Load Balancer
{% raw %} The standard hashing algorithm is inefficient while processing network queries. This traditional technique presupposes that we have a set number of servers and that all mapping locations...
Python Generators – The Lazy Workers of Python
{% raw %} When you first learn Python, you’re introduced to functions and loops. As you go deeper, you meet one of Python’s coolest features, Generators. But what is a generator? Why do develope...
Git Reset - A tool to correct your (commited) mistakes.
{% raw %} Terminologies Work Tree: Your working tree are the files that you are currently working on. Your local folder.Git Index/Staging Area: The git “index” is where you place files you want c...
Let's Build a Bank Account Simulation
{% raw %} Problem Statement 🧩 Overview Build a bank system to create and manage user accounts, simulate deposits, withdrawals, interest accrual, and overdraft penalties. 🎯 Goals Support multip...