Eric Khanh is a full-stack web developer specializing in modern, high-performance applications using Next.js, NestJS, and TypeScript. Helping businesses and teams build scalable digital solutions.https://khanhdang.name/https://khanhdang.name/blog/software/method-of-real-time-communication/https://khanhdang.name/blog/software/method-of-real-time-communication/An overview of methods for implementing real-time communication in web applications.Mon, 23 Mar 2026 00:00:00 GMThttps://khanhdang.name/blog/system/scaling-a-system-from-zero/https://khanhdang.name/blog/system/scaling-a-system-from-zero/Scaling a system from zero to millions of users requires a clear roadmap.Tue, 10 Mar 2026 00:00:00 GMThttps://khanhdang.name/blog/nextjs/i18n-configuration-for-nextjs-project/https://khanhdang.name/blog/nextjs/i18n-configuration-for-nextjs-project/A comprehensive guide to setting up internationalization (i18n) in a Next.js project, enabling support for multiple languages and locales.Sat, 03 Jan 2026 00:00:00 GMThttps://khanhdang.name/blog/guide/init-nextjs-project/https://khanhdang.name/blog/guide/init-nextjs-project/A necessary setup for a Nextjs project.Sat, 27 Dec 2025 00:00:00 GMThttps://khanhdang.name/blog/javascript/non-blocking-io/https://khanhdang.name/blog/javascript/non-blocking-io/To understand what is non-blocking I/O in JavaScript and keep it in mind while coding.Mon, 18 Aug 2025 00:00:00 GMThttps://khanhdang.name/blog/software/internet-and-web-version/https://khanhdang.name/blog/software/internet-and-web-version/Introduction to the internet and web version includes web1.0, web2.0, web3.0, and web4.0Wed, 02 Apr 2025 00:00:00 GMThttps://khanhdang.name/blog/react/react-pattern/https://khanhdang.name/blog/react/react-pattern/Overview of React PatternFri, 28 Mar 2025 00:00:00 GMThttps://khanhdang.name/blog/react/web-worker-pattern/https://khanhdang.name/blog/react/web-worker-pattern/Optimize parallel processing in React application by using Scatter-Gather pattern, Work-stealing patternTue, 25 Mar 2025 00:00:00 GMThttps://khanhdang.name/blog/react/web-worker/https://khanhdang.name/blog/react/web-worker/Web WorkerMon, 24 Mar 2025 00:00:00 GMThttps://khanhdang.name/blog/software/authentication-models/https://khanhdang.name/blog/software/authentication-models/The summary of authentication models which help you to make decision with authentication to your project.Thu, 07 Nov 2024 00:00:00 GMThttps://khanhdang.name/blog/guide/comparison-vite-tsc-swc/https://khanhdang.name/blog/guide/comparison-vite-tsc-swc/Comparison of build tools when coding with Typescript.Mon, 15 Jul 2024 00:00:00 GMThttps://khanhdang.name/blog/algo/string-compression/https://khanhdang.name/blog/algo/string-compression/Solutions for String Compression.Tue, 25 Jun 2024 00:00:00 GMThttps://khanhdang.name/blog/design-pattern/singleton/https://khanhdang.name/blog/design-pattern/singleton/Singleton pattern - Create only one instance on the application lifecycle.Tue, 25 Jun 2024 00:00:00 GMThttps://khanhdang.name/blog/design-pattern/design-pattern/https://khanhdang.name/blog/design-pattern/design-pattern/Overview design pattern - OOP design.Sun, 23 Jun 2024 00:00:00 GMThttps://khanhdang.name/blog/design-pattern/bridge/https://khanhdang.name/blog/design-pattern/bridge/A method to connect multiple standalone objectsSat, 22 Jun 2024 00:00:00 GMThttps://khanhdang.name/blog/design-pattern/composite/https://khanhdang.name/blog/design-pattern/composite/A way to structure a group of objectsSat, 22 Jun 2024 00:00:00 GMThttps://khanhdang.name/blog/design-pattern/adapter/https://khanhdang.name/blog/design-pattern/adapter/Create a layer to connect an old layer to a new layerThu, 20 Jun 2024 00:00:00 GMThttps://khanhdang.name/blog/javascript/arrow-function-vs-regular-function/https://khanhdang.name/blog/javascript/arrow-function-vs-regular-function/The different between regular function and arrow function.Wed, 19 Jun 2024 00:00:00 GMThttps://khanhdang.name/blog/javascript/deep-copy-vs-shadow-copy/https://khanhdang.name/blog/javascript/deep-copy-vs-shadow-copy/The summarize of copy method in javascript.Wed, 19 Jun 2024 00:00:00 GMThttps://khanhdang.name/blog/design-pattern/prototype/https://khanhdang.name/blog/design-pattern/prototype/An object needs to be cloned from an existing object.Sun, 02 Jun 2024 00:00:00 GMThttps://khanhdang.name/blog/design-pattern/builder/https://khanhdang.name/blog/design-pattern/builder/There are many variations for one type; instead of passing parameters to the constructor, using a builder is more convenient.Sat, 01 Jun 2024 00:00:00 GMThttps://khanhdang.name/blog/design-pattern/abstract-factory/https://khanhdang.name/blog/design-pattern/abstract-factory/Using the Factory Method Pattern to add many types within the same family is considered an Abstract Factory.Fri, 31 May 2024 00:00:00 GMThttps://khanhdang.name/blog/design-pattern/factory-method/https://khanhdang.name/blog/design-pattern/factory-method/If there is only one factory for all Products, it is no longer the Factory Method but a Simple Factory.Thu, 30 May 2024 00:00:00 GMThttps://khanhdang.name/blog/software/solid-dependencies-inversion-principle/https://khanhdang.name/blog/software/solid-dependencies-inversion-principle/Use it when you anticipate that a class or module will have many variations and will be used in multiple places.Thu, 08 Feb 2024 00:00:00 GMThttps://khanhdang.name/blog/software/solid-interface-segregation-principle/https://khanhdang.name/blog/software/solid-interface-segregation-principle/Used to break down large interfaces into smaller ones for easier maintenance and extension.Tue, 06 Feb 2024 00:00:00 GMThttps://khanhdang.name/blog/software/solid-liskov-principle/https://khanhdang.name/blog/software/solid-liskov-principle/When adhering to this principle, derived classes should be substitutable for their base classes without altering the correctness of the program.Sun, 04 Feb 2024 00:00:00 GMThttps://khanhdang.name/blog/software/solid-open-close-principle/https://khanhdang.name/blog/software/solid-open-close-principle/The Open-Closed Principle (OCP) is used to achieve an extensible design for maintaining modules or classes. The principle itself applies to both classes and modules.Sat, 03 Feb 2024 00:00:00 GMThttps://khanhdang.name/blog/software/solid-single-responsibility-principle/https://khanhdang.name/blog/software/solid-single-responsibility-principle/Use when you estimate the class can be reused in many places and has the potential for extension.Fri, 02 Feb 2024 00:00:00 GMThttps://khanhdang.name/blog/javascript/nullish-coalesing-vs-logical-operator/https://khanhdang.name/blog/javascript/nullish-coalesing-vs-logical-operator/The different between ??, ||, !!, ??=, &&= ...Thu, 01 Feb 2024 00:00:00 GMThttps://khanhdang.name/blog/javascript/immutable-in-js/https://khanhdang.name/blog/javascript/immutable-in-js/An immutable value is a variable's value that cannot be changed without creating an entirely new value.Thu, 25 Jan 2024 00:00:00 GMThttps://khanhdang.name/blog/software/coupling-vs-cohesion/https://khanhdang.name/blog/software/coupling-vs-cohesion/Distinguish Coupling and Cohesion.Thu, 25 Jan 2024 00:00:00 GMThttps://khanhdang.name/blog/software/horizontal-vs-vertical-scale/https://khanhdang.name/blog/software/horizontal-vs-vertical-scale/Horizontal scaling can be understood as scaling out by duplicating, while vertical scaling involves upgrading the resources of the individual instance.Thu, 25 Jan 2024 00:00:00 GMThttps://khanhdang.name/blog/software/4-principle-of-oop/https://khanhdang.name/blog/software/4-principle-of-oop/The 4 Principles of Object-Oriented Programming must be remember.Tue, 23 Jan 2024 00:00:00 GMThttps://khanhdang.name/blog/software/monoliths-microservice-serverless/https://khanhdang.name/blog/software/monoliths-microservice-serverless/The different between horizontal scale and vertical scale.Tue, 23 Jan 2024 00:00:00 GMThttps://khanhdang.name/blog/javascript/access-modifier/https://khanhdang.name/blog/javascript/access-modifier/Access modifier - using getter, setter to access property in typescript.Mon, 22 Jan 2024 00:00:00 GMThttps://khanhdang.name/blog/javascript/execution-context/https://khanhdang.name/blog/javascript/execution-context/Execution context is the environment where code is executed, consisting of three main contexts...Tue, 16 Jan 2024 00:00:00 GMThttps://khanhdang.name/blog/javascript/garbage-collection/https://khanhdang.name/blog/javascript/garbage-collection/The mechanism of garbage collection in javascript.Tue, 16 Jan 2024 00:00:00 GMThttps://khanhdang.name/blog/git/commit-convension/https://khanhdang.name/blog/git/commit-convension/Using commit conventions makes it easy to read, easy to find, and reading commit content can also understand the scope and content of code changes.Thu, 28 Dec 2023 00:00:00 GMThttps://khanhdang.name/blog/software/solid-principle/https://khanhdang.name/blog/software/solid-principle/The overview of SOLID.Thu, 07 Dec 2023 00:00:00 GMT