Vitamin B1, also known as Thiamine, is essential for energy metabolism, nerve function, and muscle health. A deficiency in B1 can lead to conditions like beriberi and Wernicke-Korsakoff syndrome. Top…
Vitamin A is essential for maintaining healthy vision, immune function, and skin health. It exists in two forms: Preformed Vitamin A (Retinol): Found in animal products. Provitamin A (Beta-Carotene): Found…
Vitamin C (ascorbic acid) is an essential nutrient that helps boost immunity, improve skin health, and enhance iron absorption. Here’s a quick guide to the best sources of Vitamin C.…
General Shortcuts Shortcut Action Ctrl + C Copy Ctrl + X Cut Ctrl + V Paste Ctrl + Z Undo Ctrl + Y Redo Ctrl + A Select all Ctrl…
1. Connecting to PostgreSQL Start PostgreSQL Service sudo systemctl start postgresql Access PostgreSQL Shell psql -U postgres -U – Specifies the user (default is postgres) Exit psql: \q Connect to…
1. Connecting to MongoDB Start MongoDB mongod Connect to MongoDB Shell mongosh Connect to a Specific Database mongosh <database_name> Show Current Database db 2. Database Management List All Databases show…
1. SQL Syntax Overview SQL (Structured Query Language) is used to manage and manipulate databases. 2. Database and Table Management 1. Create a Database CREATE DATABASE my_database; 2. Delete a…
1. What is PowerShell? PowerShell is a command-line shell and scripting language designed for system administration and automation on Windows. It extends the capabilities of the traditional Command Prompt (CMD)…
1. Opening Command Prompt Method 1: Press Win + R, type cmd, and press Enter. Method 2: Search for “Command Prompt” in the Start menu. Method 3: Shift + Right…
1. What is Ruby on Rails? Ruby on Rails (RoR) is a web application framework written in Ruby. It follows the Model-View-Controller (MVC) architecture and promotes convention over configuration. 2.…