Introduction The Proxy Design Pattern is a structural design pattern that provides a surrogate or placeholder for another object to control access to it. This pattern is useful when creating objects is resource-intensive, or when access to the real object needs to be controlled or restricted. Purpose The main goal of the Proxy Pattern…
What is the Facade Pattern? The Facade Pattern is a structural design pattern that provides a simplified interface to a complex subsystem. It hides the complexities of the system and provides a cleaner and easier-to-use API to the client. Intent Provide a unified, high-level interface to a set of interfaces in a subsystem. Make…
The Prototype Pattern is a creational design pattern that enables you to create object copies (clones) without depending on their concrete classes. Purpose Avoid the cost of creating a new object from scratch. Simplify object creation when it’s complex or time-consuming. Duplicate objects dynamically at runtime. Components Prototype InterfaceDeclares a clone() method. Concrete PrototypeImplements…
Introduction to JWT JSON Web Token (JWT) is a compact, URL-safe token format that is used for securely transmitting information between parties as a JSON object. JWT is widely used for authentication and authorization purposes in web applications and APIs. Unlike traditional session-based authentication, JWT allows for stateless authentication, meaning that no session data…
As we move further into the digital age, VPNs (Virtual Private Networks) continue to evolve to meet the changing needs of users and the challenges of online security. Here’s a look at the emerging trends and predictions for VPN technology in 2025. 1. Enhanced Privacy Features Advanced Encryption Standards: VPNs will adopt even stronger…
Using a VPN (Virtual Private Network) can sometimes lead to connection issues, which can be frustrating. Understanding how to troubleshoot these common problems can help you get back to a secure and private browsing experience quickly. Here’s a guide to solving common VPN issues. 1. VPN Connection Drops Check Your Internet Connection: Ensure your…
Using a VPN (Virtual Private Network) can have an effect on your internet speed. While VPNs offer enhanced security and privacy, they can sometimes slow down your connection. Understanding how VPNs impact internet speed and what factors influence this can help you make an informed choice. How VPNs Affect Internet Speed Encryption Overhead: VPNs…
Selecting the right VPN service can be challenging, especially with so many options available. This guide will help beginners navigate the key factors to consider when choosing a VPN, ensuring they make an informed decision that meets their needs. 1. Determine Your Needs Privacy: If your primary concern is online privacy, look for a…
Setting up a VPN on your device is a crucial step in securing your online activities and protecting your privacy. Whether you’re using a smartphone, laptop, or even a smart TV, this guide will walk you through the process of installing and configuring a VPN on various devices. 1. Setting Up a VPN on…
Internet censorship is a significant issue in many parts of the world. Governments and ISPs often block access to certain websites, social media platforms, and online services, restricting users' access to information. VPNs (Virtual Private Networks) provide a way to bypass these restrictions and regain online freedom. Here's how they work: How Internet Censorship…