Detecting and Preventing Code Injection Attacks in Python

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In an increasingly interconnected world, security vulnerabilities in code can have severe consequences. One of the most dangerous vulnerabilities is code injection—a critical issue that can allow attackers to execute arbitrary code in your application. Python, like any other language, is susceptible if developers are not cautious. This guide explains what code injection attacks are, …

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Building a Secure API with OAuth2 and JWT in FastAPI

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In today’s API-driven applications, securing endpoints requires you to protect sensitive data and prevent unauthorized access. FastAPI, a modern web framework for Python, makes it easy to build secure, high-performance APIs using standards like OAuth2 and JWT (JSON Web Tokens). This guide explains the core concepts of OAuth2 and JWT, why they matter, and walks …

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How to Reverse a String in Java Using Different Methods

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String reversal is a fundamental problem frequently asked in coding interviews. we will explore multiple approaches to reverse a string in Java, with step-by-step explanations and practical code examples.   1. Using StringBuilder Java provides StringBuilder, which has a built-in reverse() method to easily reverse a string.   public class ReverseStringExample { public static void …

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What is Encapsulation and Abstraction in Python OOP ?

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Encapsulation and Abstraction are concepts of Object-Oriented Programming that can help us create good programs in Python by promoting modularity, security, and maintainability.   Encapsulation: The Python language can use this fundamental concept of OOP programming. In Python, encapsulation is the practice of bundling data and methods that operate on that data into a single …

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Understanding the concept of class and object into the Python.

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Class: A class is a blueprint of object. It can also use to make the templets for objects. Class can provide the initial values for state and implementation of behaviour. The user-define objects are created using the “class” keyword. Example: class Company: # Use the class keyword for create the class in python company_name:”Vanadan Industries” …

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Handling Middleware in Express.js (app.use())

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Handling Middleware in Express.js (app.use()) Hey there! If you’re working with Express.js, you’ve probably heard about middleware—the backbone of Express that helps in handling requests, responses, logging, authentication, and much more. And the magic function that makes all this possible? app.use()! This post will break down app.use(), its parameters, and practical use cases while using …

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“Boosting Web Performance with WebAssembly and JavaScript”

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In the realm of web development, performance is a critical factor that can significantly impact user experience. As applications become more complex and data-intensive, the demand for high-performance computing (HPC) in the browser has surged. Enter WebAssembly (Wasm), a powerful technology that allows developers to run code at near-native speed in the browser. In this …

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How to Securely Store and Hash Passwords in Python (bcrypt, argon2)

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Passwords are the primary method of authentication in most systems, but storing them insecurely can lead to data breaches. If passwords are stored in plain text or using weak hashing methods, attackers can easily compromise user accounts. This is why secure password hashing is critical. In this guide, we will explore password hashing, why it …

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Mastering Asynchronous Programming in Python with asyncio

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Mastering Asynchronous Programming in Python with asyncio Introduction In modern software development, handling concurrency efficiently is crucial for building responsive and scalable applications. Python’s asyncio module provides a powerful framework for writing asynchronous code, allowing developers to execute tasks concurrently without blocking execution. This blog provides an in-depth exploration of asyncio, including its core components, …

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