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8/20/2026
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HTML Attribute
HTML Attributes are special words used within the opening tag of an HTML element. They provide additional information about HTML elements. HTML attributes are used to configure and adjust the...
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8/20/2026
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INNER JOIN
INNER JOINSINNER JOIN is used to combine rows from two or more tables based on a related column. It returns only the rows that have matching values in both tables,...
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8/20/2026
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Synch vs Async
1. Synchronous (Sync)In synchronous programming, only one thing happens at a time. The program must finish executing the current line of code before it moves on to the next one.Example:...
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8/20/2026
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Webhooks
What is a Webhook?A Webhook is a way for one application to automatically send information to another application when something happens.Instead of continuously asking a server whether something has changed,...
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8/20/2026
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Basic Python Practice Questions with Answers
1. Python Syntax — 10 Questions1. Print "Hello, World!" print("Hello, World!") Output: Hello, World! 2. Create a variable and print it name = "Vishnu"print(name) Output: Vishnu 3. Create two variables and print them a = 10b = 20 print(a)print(b) Output: 1020 4. Write...
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8/20/2026
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JOINS IN SQL INTRO
SQL JOINSSQL Joins are used to combine data from two or more tables based on a related column. They help in:Retrieving connected data stored across multiple tables.Matching records using common...
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8/20/2026
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WebSockets in FastAPI
What are WebSockets?WebSockets allow a client and server to talk to each other continuously.Normally, with HTTP, the client asks the server for something, and the server sends a response.With WebSockets,...
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8/20/2026
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What are Ports and How Do They Work?
When a device communicates with another computer over a network, we already know that an IP address helps identify the device.But what if that computer is running many different applications...
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8/20/2026
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FastAPI vs Flask
What is FastAPI?FastAPI is a modern, high-performance Python framework specifically built for creating production-ready web APIs (Application Programming Interfaces). Released in 2018, it was designed from the ground up to...
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8/20/2026
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Print Statements in Python
The print() function is used to display information on the screen. It is one of the first and most commonly used functions in Python.1. Printing TextWe can use print() to...
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8/20/2026
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Async Programming in FastAPI
What is Async Programming?Async programming means a program can start a task and, while waiting for that task to finish, work on another task instead of waiting doing nothing.In FastAPI,...
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8/20/2026
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URL Builder
Understanding URL Building in FastAPIWhen we are familiar with the English language, we can often understand a concept by looking at how the word is used in everyday life.In web...
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8/20/2026
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Data Types in Python – Part 2
In Part 1, we learned about numeric, string, and Boolean data types. Now let's look at Python's collection data types.1. List (list)A list is used to store multiple values in...
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8/20/2026
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Data Types in Python – Part 1
Data types tell Python what kind of data a variable contains. Python has different data types for storing different kinds of values.In this part, we will learn about Numbers, Strings,...
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8/20/2026
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Operators in Python – Part 2
In the first part, we looked at arithmetic, comparison, and assignment operators. Now let's look at logical, membership, and identity operators.Logical OperatorsLogical operators are used to combine or reverse conditions.Python...
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8/20/2026
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Operators in Python – Part 1
Operators are symbols used to perform different operations on values and variables. In this first part, we'll look at arithmetic, comparison, and assignment operators.Arithmetic OperatorsArithmetic operators are used for basic...
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8/20/2026
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Loops in Python
A for loop is useful when we want to repeat something a fixed number of times or go through items in a sequence.for i in range(5): print(i)Output0 1 2 3...
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8/20/2026
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Installation of FastAPI
Introduction to FastAPIFastAPI is a modern Python web framework used to build APIs and backend applications quickly and efficiently.Built on top of Starlette and Pydantic, providing high performance and reliable...
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8/20/2026
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Error Handling in Python
While writing Python programs, sometimes we may get errors. Errors can happen because of wrong input, incorrect code, or unexpected situations. Error handling helps us handle these problems without stopping...
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8/20/2026
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Folder Placement & Project Organization
let's talk about the final picture of the folder/project /.venv /accounts /init.py /admin.py /apps.py /models.py ...
