Kamran Ahmed

Learn to become a modern frontend developer using this roadmap. Community driven, articles, resources, guides, interview questions, quizzes for modern frontend development.

In this video, we look at different consistency models in distributed systems. We will look at what the strong/strict consistency and the eventual consistenc...

In this video, we look at what SSH, TLS and SSL are and what are the differences between them. After watching this video, you will be able to answer the belo...

In this visual lesson, we learn how to write asynchronous JavaScript using Async/Await. We will also look at the callbacks and promises and see the drawbacks...

There is nothing truly random when it comes to computers. Computers do what they are told to do. In this video, we cover all about random numbers, pseudo-ran...

The intent of this guide is to give you an idea about the Go ecosystem and to help guide your learning if you are confused.

The intent of this guide is to give you an idea about the Python ecosystem and to help guide your learning if you are confused.

In this video, we look at the algorithmic complexity or asymptotic notation, we learn to measure it for any algorithm, and look at some of the common algorit...

The intent of this guide is to give you an idea about the Android development landscape and to help guide your learning if you are confused.

In this roadmap, I cover everything that there is to learn about Angular and the ecosystem. It should serve as a guide for the new developers as well as the experienced ones to get an idea about the landscape, identify where their skills are lacking and improve on them.

YAML is a data-serialization language similar to JSON and XML. It is often used as a format for configuration files. In this video, we will be covering every...

In this video, we look at the arithmetic operations applied to the floating-point numbers. We will understand why the results of such operations might be dif...

In this roadmap, I cover everything that there is to learn about React and the ecosystem. It should serve as a guide for the new developers as well as the experienced ones to get an idea about the landscape, identify where their skills are lacking and improve on them.

In this illustrated video we talk about the CAP theorem. We will learn what the CAP theorem is, what it means for a distributed system to be Consistent, Available, and Partition Tolerant. Also, we will look at some examples to get the proof of the CAP theorem.

In this video, we talk about what does it mean for a database to be ACID compliant. After watching this video, you will be able to answer the following quest...

Learn how to avoid render blocking JavaScript using async and defer scripts.

Learn what are the core web vitals and how to measure them.

Learn what are different indicators for performance identification of any service.

Learn the basics of CI/CD and how to implement that with GitHub Actions.

Learn the basics of SAML and understand how does Single Sign On work.

Learn and understand what is OAuth and how it works

Understand what is JWT authentication and how is it implemented

Understand what is token based authentication and how it is implemented

Understand what is session based authentication and how it is implemented

Understand what is basic authentication and how it is implemented

Covers the basics of character encodings and explains ASCII vs Unicode

The intent of this guide is to give you an idea about the Java ecosystem and to help guide your learning if you are confused.

Tips on getting getting familiar with an unfamiliar codebase

Here is what happens when a new device joins the network.

Quick tidbit on the differences between SSL, TLS, HTTPS and SSH

Learn the basics of measuring the time and space complexity of algorithms

Easy to understand explanation of Big-O notation without any fancy terms

Learn how they are generated and why they may not be truly random.

Learn the ups and downs of different database scaling strategies

makers.ae is the community of developers and designers in UAE focusing on open-source, practical knowledge, tech culture, career growth and connecting the developers. There are some really talented developers and designers in the region but unlike Europe or US, the community isn't really strong here in UAE. With makers.ae our aim is to bring all the makers of the region together under one umbrella and to facilitate growth.

In this podcast I join Jerod from changelog.com to talk through the 2021 roadmaps to becoming a developer. We cover why I created these resources, who they’re for, how to interpret them, and then take a stroll down the paths to becoming a frontend and backend developer.

In this video, we look at what the TCP/IP model is, what is the difference between the OSI Model and TCP/IP model, different layers of the TCP/IP model, and the protocols involved at each of the layers.

In this video, we look at what the OSI Model is, what are the different layers of the OSI model, and the roles of each of the layers in the OSI model.

In this lesson, we learn what Object.freeze, Object.seal and Object.preventExtensions are, how they work and how they are different from the variables declared using const with examples.

In this lesson, we look at the different types of caches, we look at the different HTTP cache headers such as expires, pragma, and cache-control. Also, we understand how the cache validation works and what are the different caching strategies.

In this video, we learn what is CDN, how does it work and also we look at the Push CDN vs Pull CDN.

In this video, I cover the basics of load balancers. After watching this video, you will be able to tell, what are load balancers? How do the load balancers work? What are the different types of Load Balancers? What are different load balancing algorithms including Round Robin, Weighted Round Robin, Least Connections, Least Response Time, and IP Hashing Algorithm? What is the difference between the Layer 4 and Layer 7 Load Balancers?

Roadmap.sh is an OpenSource website where I post the roadmaps crafted by me as well as the community helping the developers pick their path, learn, and improve. Also, I have been producing weekly graphical guides on the complex topics and recording videos on the associated youtube channel. The project is quite famous and gets visited by hundreds of thousands of developers every month.

In this video, I explain what the DNS records are and cover some of the commonly used DNS records.

In this visual explanation of DNS, I explain what the DNS is and how it works in finding a website on the internet.

In this series of videos, I teach different tips and tricks while using TypeScript that can be used to write better TypeScript types.

In this beginner-focused video, I explain the basics of System Design covering all the bits and pieces of System Design.

In this video, I explain the usage of JavaScript Fetch API.

In this series of lessons, I explain how to write powerful data transformation logics using MongoDB's Aggregation framework.

In this video, I take a hypothetical example of an application and explain the different issues that can happen in a production application and how to solve them.

iTomate is an iTerm utility that lets you define your iTerm layouts, commands to execute in the form of YAML files, and run a single command to have iTerm prepare itself for you to start working.

Developer roadmap is a set of charts to help the developers learn, provide the landscape, guide them, help them pick their path, and know what they don’t know and improve. I created this project to help others with the struggle that I was once in. I have been maintaining it for the past 4 years where I release a new version showing the changes to the landscape for the past year. The project is the 11th most starred project on GitHub, and gets around 6 to 7000 unique hits on a daily basis.

In this video, I explain what the promises in JavaScript are and how to use them to write asynchronous code.

In this video, I explain what GitHub actions are and how to automate your workflows with GitHub Actions.

I organized this online talk on the topic of React Components. It was an online event and there were around 50 attendees.

In this video, I explain what is dependency injection and we also look at the benefits and how to use dependency injection in your applications.

In this video, I explain what the CSS variables are and how to write scalable CSS using them.

In this lesson, we are going to learn about the CSS variables. We will see how we can write scalable CSS with the help of CSS variables and build a theme swi...

In this talk, I spoke about the JAMStack, discussing the evolution of the Web and how it has evolved over time and how the "modern" web looks like.

In this video, I first explain what is DOM, and then we look at the different types of DOM and understand the differences between the DOM types.

In this lesson, we learn about the Document Object Model. We learn what the DOM, Shadow DOM, and Virtual DOM are and how they work. We also look at some of t...

Copy Marker allows you to select some text on page, right click and "Copy Marker URL" which will copy the URL with your selection information embedded in the URL. You can share it with someone and when they open that URL it will automatically highlight the selection you made and scroll the user to that section of the page.

In this series of videos, I teach the basics of React with a practical example of a react application.

In this short series of lessons, we are going to create a react app from scratch. We are mainly going to use React and Chakra UI and see how we can build an ...

Arrays in JavaScript come with some really helpful methods that allow you to perform operations on them without using loops and custom logic. In this lesson,...

I spoke about my OpenSource journey, explain the benefits of OpenSource, how to get started and how to get the word out for your OpenSource projects.

An express package that lets you handle the API problems with ease. It provides a straightforward implementation of IETF Problem Specification and turns your thrown exceptions to be returned in the below format with the header of content type set to application/problem+json.