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Tables and Their Structure (<table>, <tr>, <td>)

Table of Contents Introduction to HTML Tables The Basic Structure of an HTML Table Table Rows (<tr>) and Table Cells (<td>) Table Headings (<th>) and Caption (<caption>) Colspan and...

Images and the <img> Tag

Links and Anchor Tags

Table of Contents Introduction to Links and Anchor Tags Creating a Basic Link with the <a> Tag Using the href Attribute Opening Links in a New Tab with...

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Monitoring and Performance Tuning in MongoDB

Table of Contents Introduction to MongoDB Monitoring and Performance Tuning Key Performance Indicators (KPIs) for MongoDB MongoDB Monitoring Tools and Techniques Identifying Performance Bottlenecks Indexing and Query Optimization Resource Management...

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MongoDB Change Streams and Real-Time Event Listening

Table of Contents Introduction to Change Streams How Change Streams Work in MongoDB Benefits of Using Change Streams Use Cases for MongoDB Change Streams Implementing Change Streams in Node.js Handling...

MongoDB Transactions in Replica Sets

Table of Contents Introduction to MongoDB Transactions Why Use Transactions in MongoDB? MongoDB Replica Sets and Transactions How Transactions Work in MongoDB Replica Sets ACID Properties of MongoDB Transactions Example...

Sharding and Horizontal Scaling in MongoDB

Table of Contents Introduction to Sharding and Horizontal Scaling Why Horizontal Scaling is Important for MongoDB Sharding Architecture in MongoDB Shard Key Config Servers Mongos Setting Up Sharding in MongoDB How MongoDB...

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Technologically Advanced Countries in the World

Technology is the application of scientific knowledge for practical purposes, especially in industry. Many nations worldwide have used technology to enhance the quality of...

Milestones in Space Exploration

Milestones in Space Exploration Date Mission Achievements Country/ Organization Mission Name 1931 First German military liquid-fuelled rocket engines developed Germany Walter Riedel 10 May 1946 First space research flight (cosmic radiation experiments) United States captured and...

Use Your Pen Drive as Your System RAM

1) First Insert the Pen Drive at least having a memory of 1GB ,( Preferably 4GB) in the Given USB port of the Computer. 2)...

Computer Devices & their Inventors

Computer Devices & their Inventors=>Key board— Herman Hollerith first keypunch devices in 1930’s=>Transistor— John Bardeen, Walter Brattain & Wiliam Shockley ( 1947-48)=>Integrated Circuit— Jack...

Some Important Portals & their Founders

Some Important Portals & their Founders  1. Google— Larry Page & Sergey Brin2. Facebook— Mark Zuckerberg3. Yahoo— David Filo & Jerry Yang4. Twitter— Jack Dorsey...

Computer Questions

1. A peer-to-peer LAN is an appropriate network architecture for - Home network. 2. In CSMA/CD, the computer sends a fixed unit of data called...

Polar Satellite Launch Vehicle (PSLV)

The Polar Satellite Launch Vehicle (PSLV) is an expendable launch system developed and operated by the Indian Space Research Organisation (ISRO). It was developed...

Global Positioning System (GPS)

The Global Positioning System (GPS) is a space-based satellite navigation system that provides location and time information in all weather conditions, anywhere on or...

MICROSOFT EXCEL SHORTCUT KEYS

MICROSOFT EXCEL SHORTCUT KEYS 1. F2 Edit the selected cell2. F3 After a name has been created F3 will paste names3. F5 Go to a...

More than 100 Keyboard Shortcuts (Microsoft Windows)

1. CTRL+C (Copy) 2. CTRL+X (Cut) 3. CTRL+V (Paste) 4. CTRL+Z (Undo) 5. DELETE (Delete) 6. SHIFT+DELETE (Delete the selected item permanently without placing the item in the Recycle...

Timeline of Indian Space Odyssey

1962 ushered in the space era in India as the Atomic Energy Department set up the Indian National Committee for Space Research, and the...