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Anonymous
8/21/2026
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Authorization in Rest API
Authorization in a REST API determines what actions an authenticated user or application can perform on a given resource. While authentication verifies the identity of the user ("who you are"),...
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Anonymous
8/20/2026
4min
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Creation and using of Static files
A webpage is not only made up of HTML. we need to use CSS to design the page and JavaScript to add functionality and images to make website more attractive...
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Anonymous
8/20/2026
4min
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HTML Lists
An HTML list organizes content into ordered or unordered formats, making information clear and easy to read.HTML lists organize content using tags like <ul>, <ol> & <li>.They improve readability by...
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Anonymous
8/20/2026
4min
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"A Beginner’s Guide to Building Scalable Systems"
System Design:Introduction:Have you ever wondered how applications like Amazon, Instagram, YouTube, or Netflix can serve millions of users at the same time without completely breaking down?Behind every large-scale application, there...
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Anonymous
8/20/2026
4min
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SELF JOIN
SQL Self Join is used when a table needs to be joined with itself to compare rows within the same table. It helps in finding relationships between records in a...
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Anonymous
8/20/2026
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FULL JOIN
The FULL JOIN (or FULL OUTER JOIN) in SQL returns all rows from both tables, combining matched rows and filling unmatched rows with NULL values. It is basically the combination...
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Anonymous
8/20/2026
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RIGHT JOIN
RIGHT JOIN OR RIGHT OUTER JOINSIn SQL, the RIGHT JOIN (also called RIGHT OUTER JOIN) is used to combine rows from two tables based on a related column. It returns...
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Anonymous
8/20/2026
4min
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LEFT JOINS
LEFT JOIN OR LEFT OUTER JOINIn SQL, the LEFT JOIN (also called LEFT OUTER JOIN) retrieves all records from the left table and only the matching records from the right...
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Anonymous
8/20/2026
4min
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Uvicorn & Gunicorn
What is Uvicorn?Uvicorn is a lightning-fast, production-ready application server for Python. It acts as the "engine" or translator between web traffic (HTTP and WebSockets) and modern asynchronous Python applications.Technically, it...
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Anonymous
8/20/2026
4min
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HTML Images
HTML Images Images can improve the design and the appearance of a web page. Example<img src="pic_trulli.jpg" alt="Italian Trulli"> Example<img src="img_girl.jpg" alt="Girl in a jacket">Example<img src="img_chania.jpg" alt="Flowers in Chania"> HTML Images SyntaxThe HTML <img> tag...
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Anonymous
8/20/2026
4min
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SQL commands
You know how your social media apps store and retrieve the posts, reels and etc and the answer is simple it uses the data base. where we can do CRUD...
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Anonymous
8/20/2026
4min
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HTML Tables
HTML tables help organize data into rows and columns, making information easy to read and compare. They are useful for displaying schedules, price lists, product details, and more.Can include text,...
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Anonymous
8/20/2026
4min
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HTML Paragraph & Styles
HTML ParagraphsThe HTML <p> element defines a paragraph.A paragraph always starts on a new line, and browsers automatically add some white space (a margin) before and after a paragraph.Example<p>This is...
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Anonymous
8/20/2026
4min
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Important Status Codes for REST API Development
Important Status Codes for REST API DevelopmentHTTP status codes tell the client what happened after sending a request to the API.For REST API development, you don't need to memorize every...
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Anonymous
8/20/2026
4min
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HTML Text Formatting
HTML text formatting refers to the use of specific HTML tags to modify the appearance and structure of text on a webpage. It allows you to style text in different...
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Anonymous
8/20/2026
4min
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What is MongoDB and How to Create a MongoDB Account?
When building an application, we need a database to store and manage data. There are different types of databases available, and MongoDB is one of the popular NoSQL databases.Before creating...
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Anonymous
8/20/2026
4min
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HTTP Status Codes
HTTP Status CodesHTTP status codes are three-digit numbers returned by a server after receiving a request.They tell the client whether the request was successful, redirected, or failed.Status Code CategoriesRangeCategoryMeaning100–1991xxInformational200–2992xxSuccessful300–3993xxRedirection400–4994xxClient Error500–5995xxServer...
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Anonymous
8/20/2026
4min
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Gunicorn vs Uvicorn in FastAPI
What is Uvicorn?Uvicorn is an ASGI server used to run FastAPI applications. It is commonly used during development and can also be used in production.Example: uvicorn main:app --reloadSample Code:import uvicornfrom...
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Anonymous
8/20/2026
4min
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HTML Tags
HTML tags are the building blocks of web pages, used to structure and format content. They guide browsers on how to display text, images, links, and other media.Some tags, like...
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Anonymous
8/20/2026
4min
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REST API Methods
What is a REST API?A REST API is a way for different applications to communicate with each other over the internet using HTTP.For example, a frontend application can communicate with...
