Technology9

Category: SWE

  • Augmented Reality’s Potential: Deep Dive

    Augmented Reality (AR): A Synergistic Convergence of Computer Vision, Machine Learning, and Spatial Computing AR is a multifaceted technology that integrates computer vision, machine learning, and spatial computing to create an immersive, interactive experience. This is achieved through the seamless fusion of: Key AR Components Technical Architecture Advanced AR deConcepts Technical Challenges Future Directions By…

  • SOLID Principles : Deep Dive

    In the vast expanse of object-oriented programming, crafting robust, maintainable, scalable, and adaptable software systems is the holy grail. This is where the SOLID principles come into play, a quintessential set of five indispensable tenets that guide developers in creating resilient, efficient, and modular designs. SOLID Principles: A Taxonomy of Excellence. SOLID is an acronym…

  • ACID Compliance : Deep View

    In the rarefied realm of database management, ensuring the integrity, consistency, and reliability of transactions is paramount. This is where ACID compliance comes into play, a set of principles that guarantees the accuracy, consistency, and durability of database transactions, thereby mitigating the risk of data corruption, inconsistencies, and anomalies. ACID is an acronym that encapsulates…

  • Browser Object Model (BOM)

    The Browser Object Model (BOM) serves as the programming interface for web developers to interact directly with the browser environment. Unlike the Document Object Model (DOM), which primarily deals with the structure of the HTML document, the BOM provides access to browser-specific features such as the window, location, history, and screen. This article offers a…

  • (ctype.h) Library in C (full reference)

    The <ctype.h> library in C provides essential tools for character classification and transformation, supporting streamlined text validation, formatting, and case conversion. Its functions are optimized for efficiency, making it a core component for C developers working with user input, data validation, and text processing. Core Functions of <ctype.h> Each function in <ctype.h> operates on single…

  • (stdio.h) Library in C Programming

    The <stdio.h> header file is an essential component of the C standard library, integral for performing input and output (I/O) operations. This library streamlines interactions with standard I/O streams, such as reading from and writing to the console and managing file operations effectively. Whether you’re developing console applications or file-processing utilities, mastering <stdio.h> is crucial…

  • Caching to drive efficiency and reduce latency

    Caching is more than a quick hack for website speed; it’s a sophisticated system for optimizing data retrieval, a hidden architecture for efficiency, and honestly, one of the most underrated innovations in computing. As a tech-savvy, socially-conscious developer, understanding caching means understanding how to balance speed, sustainability, and reliability in digital infrastructure. Let’s break it…

  • Create and Use : AWS Network Load Balancer (NLB)

    In the grand landscape of modern computing, where applications dance across servers and data flows unimpeded, an unseen champion manages the traffic with elegance and precision—AWS’s Network Load Balancer (NLB). Introduced to handle high levels of traffic with low latency, the Network Load Balancer holds a unique and indispensable role in the cloud infrastructure of…

  • Create and Use an AWS Lambda Function

    AWS Lambda is a serverless computing service from Amazon Web Services that allows you to run code without managing servers. By using AWS Lambda, you can scale your applications automatically, execute code in response to events, and only pay for the compute time you use. This guide provides a clear and concise walkthrough on creating…

  • API Gateway at Layer 4

    In the world of network architecture, the API Gateway is the unsung hero, standing guard at the gateway to application services, orchestrating requests, enforcing security, and ensuring that client applications communicate seamlessly with backend systems. When we focus specifically on an API Gateway functioning at Layer 4 of the OSI (Open Systems Interconnection) model, we…

  • Creating, managing and scaling SNS

    Creating, managing, and scaling AWS Simple Notification Service (SNS) is essential for businesses and developers looking to implement effective messaging systems within their cloud applications. SNS is a powerful, fully managed service that allows for the seamless delivery of messages and notifications to multiple subscribers simultaneously. In this article, we will explore the detailed steps…

  • Integrate and Scale AWS SNS

    Amazon Simple Notification Service (SNS) is a fully managed messaging service that enables you to send notifications from the cloud. Whether you’re developing applications that need to alert users or process events asynchronously, AWS SNS provides a scalable and reliable way to communicate across distributed systems. What is AWS SNS? AWS SNS allows you to…

  • Connecting AWS EC2 with AWS SNS

    Connecting AWS EC2 (Elastic Compute Cloud) with AWS SNS (Simple Notification Service) enables seamless message communication between your applications. This integration allows EC2 instances to publish notifications or messages to various subscribers, enhancing your system’s efficiency and responsiveness. Here’s a concise guide to set up this connection. Step 1: Launch an EC2 Instance 1. Access…

  • Connecting AWS EC2 with AWS SQS

    Connecting AWS EC2 with AWS SQS (Simple Queue Service) enables you to create a decoupled architecture for handling messages between distributed systems. This integration allows your EC2 instances to send, receive, and process messages asynchronously, enhancing your application’s scalability and reliability. This guide provides a professional, step-by-step approach to setting up the connection between AWS…

  • Connecting AWS Lambda and API Gateway

    Here are the Step-by-Step Guide to Connect AWS Lambda with API Gateway Step 1: Set Up Your AWS Lambda Function 1. Log in to the AWS Console: Navigate to AWS Management Console and access Lambda under Compute services. 2. Create a New Lambda Function: Click on Create function. Choose Author from scratch and give your…

  • Connect EC2 Instance to AWS API Gateway

    Connecting an EC2 instance to the AWS API Gateway can enable you to securely expose and manage your server’s APIs through a highly scalable, managed gateway. Here’s a step-by-step guide: Step 1: Launch and Configure Your EC2 Instance 1. Log in to AWS Console: Go to the AWS Management Console and navigate to the EC2…

  • HTML : Full roadmap

    Here is a complete road map to learn HTMl and start the Front end development journey. Follow each chapter closely and master it to ace HTML development. Chapter 1: Introduction to HTML 1.1 Brief History and Evolution of HTML – Early versions (HTML 1-4)– HTML5 features and improvements– Future developments (HTML 5.1, 5.2, etc.) 1.2…

  • Integrating EC2 with Lambda (serverless)

    Integrating EC2 Servers with Lambda Functions: A Comprehensive Guide, explore the comprehensive step by step guide. Prerequisites Connection Methods API Gateway provides a secure and scalable entry point for your application programming interface (API). Step 1: Create API Gateway Step 2: Integrate with Lambda Step 3: Connect EC2 to API Gateway SQS provides a reliable…

  • IPV4

    IPV4 is the fourth version of Internet protocol which was deployed in 1981, IPV4 is a 32 bit addressing schema, IPV4 has around 4.3 Billion Addresses, IPV4 is numeric dot decimal notation based. DHCP servers are integrated with computing systems in order to lease – in / Lease out IP ADDRESSES and all is done…

  • API Gateway and Load Balancer Integration

    API gateway and Load Balancer Integration is very vital to render scalable and robust infrastructure. The API gateway is the first point of contact for the internet and protocol-specific traffic, the api gateway is the gateway where user identity, TLS offloading, metrics, and traffic monitoring takes place. The API gateways are integrated with WAF; WEB ACCESS FIREWALL is a very vital…

  • Network Layer Load balancer (NLB)

    The network layer load balancer will carry out load balancing activities in the layer 4 (transport layer OSI MODEL); the TCP and UDP connection-based load balancing will be carried out by the network layer load balancer.  In an enterprise setting, API gateways, application layer load balancers, and network layer load balancers are all utilized to effectively manage…

  • Application Layer Load Balancing (ALB)

    The application layer load balancing is needed to ensure a safe, secure flow of traffic from API gateways to the healthy servers, different set of load balancing algorithms are implemented to carry out different types of load balancing.  The load balancer serves as the primary interface for clients, efficiently spreading incoming application traffic among a range of…

  • OOP : Inheritance

    Object-oriented programming (OOP) is a programming paradigm centered on objects and classes, OOP Ensures code reusability, modularity, and the capability to construct complex systems by leveraging existing objects and classes. Inheritance is a very vital part of object oriented approach. Inheritance empowers programmers to derive a class from another class, passing on objects, methods, properties, variables,…

  • Linked List

    In computer science, a linked list is a fundamental data structure consisting of nodes with data and a reference to the next node. The nodes are liked with each other by pointers. This allows for dynamic memory allocation and efficient insertion and deletion operations as compared to arrays. A linked list is a data structure where the nodes are connected…

  • CIRCULAR LINKED LIST

    In CIRCULAR LINKED LIST all the nodes in the linked list are connected circularly. The first and the last node are connected, the NULL is not present in the Circular linked list as the LAST NODE will be connected with the FIRST NODE.  A circular linked list is of TWO TYPES:  1) Circular single linked list: A Mix of a…

  • Types of Array

    An array in computer programming is a data structure that consists of a collection of elements or data items of the same type, stored in contiguous memory locations. It allows for the organization and manipulation of data in a systematic and linear way. There are 2 types of array. Arrays are commonly used to store…

  • React.js

    React.js is an open-source javascript-based library that is used to render User interfaces, react js is being widely implemented all across the globe as a front-end technology to render and enhance user experience. React JS was first released by Meta in 2013 and is still being maintained by Meta and the developer community. It is a front-end technology that is…

  • CSS

    CSS stands for Cascading Style Sheets. It is used in conjunction with HTML and JavaScript to create an intuitive, interactive, and seamless web and mobile experience. CSS adds style, animation, and interaction to the websites. The majority of the websites on the internet are based on HTML, CSS, and JS, all three of them together…

  • Web Server & DATA STORES integration

    Web server & DATA STORES integration renders a full stack experience. Web server are integrated with data stores to carry out database driven operations. The web server will store the code base and will process the code once the read and write request is generated by the end user.  The web server will not be…

  • Php (hypertext processor)

    Php (hypertext processor) is a backed high-level language that is implemented as a back-end infrastructure to carry out back-end operations. The PHP package manager is called COMPOSER. Composer contains packages that are utilized to carry out php-based development activities. Php is a general-purpose scripting language that is leveraged to develop web infrastructure. It offers both procedural and object-oriented approaches.  Major implementation…

  • Node.js

    Node.js is a Javascript runtime which is open source in nature. The node.js has both front-end and back-end capabilities; it runs on a Javascript V8 engine. Node.js is developed by OPEN JS FOUNDATION and since its inception, it has dropped many releases. Its initial release was in the year 2009. It is advised to check the official website to get more information…

  • Distributed System

    A distributed system is a big network of computing systems that are connected via the World Wide Web. The distributed network consists of servers and systems that are connected through a networking mechanism, it can be a World Wide Web, and it can be Radio frequency-based private networking systems. The distributed system can be homogeneous or heterogeneous.  The computers and servers will be communicating with each other through private internet…

  • API Gateway and Web servers integration

    The API gateways are connected with  caching layer, CDN layer, and the load balancers. API GATEWAY’s job is to provide a gateway for all types of web based and protocol specific traffic. API Gateway and Web servers needs to be tightly coupled in a distributed system. API gateways will be connected with a load balancer, the load balance will transfer the…

  • MAN (Metropolitan Area Network)

    MAN is called a metropolitan area network and it is a subset of WAN, the coverage area of MAN is lesser than WAN but more than LAN, LAN is a subset of MAN, MAN has multiple devices connected, LAN Range and proximity is way smaller than WAN, MAN is a complex and sophisticated in nature, maintenance, and development of…

  • Running Code

    Code execution is a complex process and during the code compilation and interpretation encountering errors and exceptions is a highly probable event, hence making the exceptions  and errors more detailed helps in better trouble shooting and code rectification. Running Code can be complex process if not organized well via leveraging version control and IDEs. It is always better to…

  • SEO (Search Engine Optimization)

    SEO is the most important aspect of the website that needs to be taken care of in order to publish the website globally. The website needs to be search engine optimized in order to attract organic traffic. Search engine optimization has to be carried out in order to be acknowledged by the top search engines. With the…

  • IPV6 (Internet protocol version 6)

    The IPV6 is an addressing mode just like IPV4 but with many added features and way more addresses (Trillions of addresses). The IPV6 is designed keeping in mind the limited amount of IPV4 ADDRESSES AVAILABLE, IPV6 COMES WITH ADDITIONAL ADDRESSES AND MORE SECURITY UPGRADES. IPV6 is based on NDP and comes with IPSEC integration.    IPV6 IS BASED ON 128 BIT…

  • Hybrid App Development

    Hybrid app development is a process of developing cross-platform apps for multiple OS with a single code base, in a hybrid app single code base needs to be developed and maintained.  With the same source code, multiple versions of apps compatible with specific Operating systems will be rendered. The point is to reduce the development, testing, and designing overheard and just centralize the whole…

  • HLD (distributed system)

    The HLD (high-level diagram) in a distributed system is a high-level visualization of the underlying components that needs to be connected with first-party and third-party systems in order to make the distributed system operational. Business Requirement Documents, system requirements specification documents, and technical requirements specifications documents are analyzed by the project managers, solution architects, and system designers to render High-level designs which needs to be baselined…

  • SSL Termination in API Gateway

    SSL termination is a process of decrypting the encrypted SSL TRAFFIC and transforming heavy HTTPS packets into lighter HTTP packets. It is job of the web server to offload the SSL traffic but instead of relying upon the web server computational capabilities, API GATEWAYS takes care of SSL TERMINATION. Denser SSL Traffic via HTTPS protocol…

  • OS Kernel

    OS Kernel can be referred to as the heart and brain of the OS, the kernel is the core program OS is based upon, the kernel resides in the memory of the hardware (HARD DISK) and is responsible for booting and spinning up the servers, the kernel is a bridge between the hardware and software components. The kernel is responsible for controlling,…

  • LAN

    LAN (local area network) is a set of devices that are connected with each other locally, LAN can be established via ETHERNET and WIFI, and LAN SERVERS CAN BE CONNECTED AND SYNCHRONIZED WITH EACH OTHER via LAN CLIENTS. LAN consists of devices that are clustered together in a physical layer, LAN doesn’t cover large geographical areas like…

  • GraphQL (Graph Query Language)

    GraphQL is a data query and manipulation language. Data overhead is low in GraphQL as it is a query-driven standardized API format hence it is much faster and offers lower latency than the restful APIs. The use case of GraphQL is when the precise and targeted data needs to be retrieved at a faster pace.GraphQL is a query runtime engine and needs both the…

  • Css (Cascading Style Sheet)

    CSS is a front-end scripting language that is needed to present any HTML document in a user-friendly way, HTML can only render very basic GUI but with CSS integration the GUI can be highly interactive, highly functional, highly usable, and highly refined, with the right usage of css the webpages can assume lucidity, better readability and usability. CSS is a…

  • Html

    HTML full form is a hypertext markup language, which can be referred to as the markup Language of the web, all the webpages that we use on a day-to-day basis are based on and coded in HTML, but it is not only HTML which is rendering the whole page, HTML is integrated with technologies like Css and Js to make it stylized,…

  • Low Level Languages

    Low level languages have low-level access to system software and hardware components hence execution of instruction can be done in a low level of abstraction. Low level programs are close to hardware as compared to high-level language, low-level memory access is the main feature of low-level language along with low-level hardware/software access. Low level language needs to be converted to machine code to be…

  • Compiler

    COMPILER is a program that carries out source code translation at a go, it is a translator which will compile/translate the whole source code into machine code/ executable code at once. A compiler will translate the high-level language code into machine code before the program runs and will generate an executable which can be directly…

  • Interpreter

    The interpreter is a program that carries out source code translation line by line, it translates High-level code into machine code line by line, the interpreter is a line-by-line translator. The interpreter is procedural and sequential as it carries out the translation line by line and will highlight the error on per line basis. Interpreter code execution time is higher, due…

  • CMD Networking Utilities

    CMD networking utilities (CUI) are leveraged to carry out networking activities and network administration tasks, here are the few most used CMD networking utilities. Ipconfig –> Display IP/TCP network config values & refresh DNS and DHCP. ipconfig/all –> Provides IP Config data. ipconfig/release -> Released all the IP CONNECTIONS. ipconfig /renew -> renewing new IP ADDRESSES in the system. ipconfig/allcompartments -> Will display all…

  • Amazon EC2 (Computing Instance)

    Amazon EC2 is a popular computing instance service that has been around for decades. EC2 can be called the elastic cloud as it is a scalable, resizable computing capacity offered by AWS to handle (Simple to complex, Workloads). AWS EC2 provides a highly secure computing infrastructure. AWS EC2 is feature-loaded and offers quick integration with both first-party and third-party services.  AWS EC2…

  • Data Pipeline and Data Management

    The data pipeline consists of a data producer, data processor, and data consumer, the data producer will produce the data and the data consumer will consume the data and the transfer of data between them will be carried out via the data pipeline. Data Pipeline and Data Management is very vital for data organization. The data pipeline process includes: DATA is cleaned | Data…

  • Bluetooth

    Bluetooth is a communication standard that assists in sharing data over small distances, Bluetooth-connected devices or Bluetooth device clusters are part of PAN (PERSONAL AREA NETWORK). Bluetooth is utilized in all forms of application, the devices need to be paired to transfer data and communicate with each other. Bluetooth devices are paired with just a few clicks via a GUI-based authentication mechanism. The device pairing is…

  • E-Commerce

    E-commerce, electronic commerce is a modern digital business process of selling and buying. Digital commerce is a trillion-dollar space, as the major e-commerce giants are worth 100s of billions of dollars, the commercial activities carried out digitally are referred to as e-commerce. The digitized and standardized form of electronic commerce is referred to as E-commerce. E-commerce transactions worldwide have a…

  • VPS and Virtualization

    VPS are virtual servers with dedicated IP ADDRESSES that are hosted on BARE-METAL devices, many virtual servers can be created with the power of TYPE 1 and TYPE 2 Virtualization. VPS are created via type1 and type 2 virtualization.   The virtual machine will host machine images, and the machine image will consume CPU and MEMORY resources. VPS are highly customizable, portable, and…