TechBlog

Distributed systems fail in ways unit tests never simulate. A replica set lags behind, a dependency times out under load, a deployment rolls out to half the cluster before someone notices the new health check is wrong. On the client, a payment API returns an empty body after thirty seconds of latency and checkout silently confirms $0.00. Monitoring tells you something broke after the fact. Load tests tell you how the system behaves when everything is working but busy. Chaos engineering asks a sharper question: when this specific component fails, does the rest of the system absorb it? ...

In the ever-evolving landscape of web development, ensuring optimal performance and excellent SEO (Search Engine Optimization) has become paramount. One of the techniques gaining significant traction is Server-Side Rendering (SSR), especially with modern frameworks such as Next.js for React, Nuxt.js for Vue.js, and NestJS for Node.js. This post delves into SSR, its impact on performance and SEO, and how it compares to traditional Client-Side Rendering (CSR). Understanding Server-Side Rendering (SSR) Server-Side Rendering involves rendering web pages on the server instead of the client’s browser. This means that when a user requests a webpage, the server processes the necessary data, renders the HTML, and sends it to the client’s browser. The browser then simply displays the pre-rendered HTML, resulting in faster initial load times and improved SEO. ...

In the evolving landscape of technology, edge computing has emerged as a transformative approach to data processing and delivery. By bringing computation and data storage closer to the data sources, edge computing significantly reduces latency, enhances data security, and enables real-time processing. This post delves into the architecture of edge computing, explores its benefits, and highlights practical applications in IoT and content delivery. Understanding Edge Computing Architecture At its core, edge computing shifts the computation and data storage from centralized data centers to the edge of the network, closer to where data is generated. This architectural change is driven by the need to process large volumes of data quickly and efficiently. ...

In today’s world of massive-scale applications and services, distributed systems have become the backbone of modern computing. They enable applications to handle vast amounts of data, remain resilient in the face of failures, and deliver high performance across the globe. However, designing these systems is not a trivial task. It involves understanding complex principles and implementing robust patterns to ensure they meet the desired specifications. In this blog post, we’ll dive deeper into the core principles and patterns of distributed system design, covering consistency models, the CAP theorem, fault tolerance, and essential patterns like Saga, Circuit Breaker, and Bulkhead. ...

APIs are the cornerstone of modern applications, enabling seamless communication between services. The design of these APIs plays a crucial role in determining the efficiency, scalability, and overall performance of an application. Three of the most prominent approaches in API design are REST, GraphQL, and gRPC. Each approach has unique strengths and weaknesses, making them suitable for different use cases. In this post, we’ll dive deep into these advanced techniques, discuss best practices, performance considerations, and provide guidance on choosing the right protocol for your specific needs. ...

In today’s fast-paced digital landscape, the ability to build scalable and resilient systems is crucial for businesses to thrive. Event-driven architectures (EDA) have emerged as a powerful paradigm to address these needs. By focusing on events as the primary means of communication between components, EDA allows for systems that are not only scalable and resilient but also flexible and easier to maintain. In this blog post, we’ll delve into the principles and practices of event-driven architectures, including event sourcing, CQRS (Command Query Responsibility Segregation), and the use of message brokers like Kafka or RabbitMQ. ...

In the ever-evolving landscape of web development, performance and capability are paramount. WebAssembly (Wasm) has emerged as a powerful tool, allowing developers to enhance web performance and unlock new functionality. This blog post delves into the advanced capabilities of WebAssembly, explores its use cases, shares best practices, and highlights tools like AssemblyScript and Emscripten that facilitate its adoption. What is WebAssembly? WebAssembly is a binary instruction format designed to be a portable compilation target for high-level languages like C, C++, and Rust. It allows code written in these languages to run in the web browser with near-native performance. WebAssembly is designed to complement JavaScript, providing a way to execute compute-intensive tasks efficiently. ...

In the world of web development, security is paramount. As developers, we strive to build robust and secure applications that protect user data and ensure a seamless user experience. Angular, being one of the most popular frameworks for building web applications, offers several features and best practices to enhance the security of your applications. In this post, we’ll delve into advanced security topics such as XSS protection, CSRF prevention, JWT authentication, and secure HTTP headers. Let’s explore how you can safeguard your Angular applications. ...

In the fast-paced world of web development, efficiency and consistency are key. Repetitive tasks can slow down productivity, and inconsistent code can lead to maintenance nightmares. Enter Angular Schematics—a powerful tool to automate code generation, enforce architectural standards, and improve code quality. In this comprehensive guide, we’ll delve into creating custom Angular schematics, helping you streamline your development workflow and ensure your codebase remains robust and maintainable. Companion resource Companion Project Explore the complete working example on GitHub. github.com/omidfarhang/example-projects/examples/angular-custom-schematics View on GitHub What are Angular Schematics? Angular Schematics are code generators that transform a software project by creating, modifying, or removing files and code snippets. They’re integral to the Angular CLI (Command Line Interface) and are used to scaffold new applications, add features, and enforce best practices. ...

In the ever-evolving landscape of web development, the question of whether to build and develop your own design system is a common one. As design systems become more integral to creating cohesive, scalable, and efficient applications, it’s crucial to weigh the benefits and challenges. This blog post delves into the worthiness of developing a custom design system, best practices for building one, when it’s needed, and the role of JavaScript frameworks like Angular. Additionally, we’ll explore which development teams should be involved in this process and provide a real-world example for clarity. ...