Programming

Mastering Java: Essential Best Practices from 'Effective Java'

September 3, 2024
“Effective Java” by Joshua Bloch is a highly regarded book in the Java programming community. It covers best practices and design principles that help developers write more efficient, reliable, and maintainable Java code. Here are some of the most important topics from the book: 1. Creating and Destroying…
Using Group By and Having clause in SQL
Database

Using Group By and Having clause in SQL

September 1, 2024
Grouping Data with GROUP BY The GROUP BY clause is a powerful tool in SQL for organizing and summarizing data. As the name suggests, GROUP BY groups rows that share the same values in specified columns into aggregated data. When you apply GROUP BY, the database engine sorts and combines rows into groups based on the column(s)…
Indexing and Its Importance in Databases: A Detailed Overview
Database

Indexing and Its Importance in Databases: A Detailed Overview

August 31, 2024
When MySQL processes a query that includes a WHERE clause, it typically has to scan the entire table to locate the matching rows. This kind of full table scan is not very efficient. However, by adding an index to the table, the search for matching rows can be significantly accelerated. The primary purpose of an index is to…
Introduction to Programming in Python
Programming BasicsProgramming

Introduction to Programming in Python

March 6, 2021
Computer – A Smart dumb machine Do you think that your computer is powerful? Computers are particularly good with mathematical computations and are powerful. And they almost never make mistakes. And they don’t get bored doing the same thing repeatedly. But there is a problem, and it is that they cannot solve…