Theory

Continuing with our System Design series we’ll be discussing message queue, an essential component in building scalable, decoupled systems. Message queues help systems handle communication between different parts asynchronously, ensuring smooth data flow even during heavy traffic. What is a Message Queue? A message queue is a system that allows different parts of a system to communicate with each other in an asynchronous manner. It acts as a buffer between a producer (the part that sends messages) and a consumer (the part that processes messages), allowing the producer to continue…

Let’s continue the journey in System Design. In this post, we’ll explore the concept of forward and reverse proxy, which play a crucial role in optimizing and securing web traffic. Proxies act as intermediaries, improving efficiency, security, and management of requests between clients and servers. What is a Proxy? A proxy is essentially an intermediary that sits between a client and a server, forwarding requests and responses between the two. It can be used for various purposes such as load balancing, security, caching, and more. Real-World Example: Imagine a bookstore…

Let us continue our System Design series! In this post, we’ll dive into the concept of indexing in databases. Indexing is a technique that allows for faster data retrieval by organizing and optimizing the way data is stored. What is Indexing? Indexing is like creating a shortcut for finding the right data quickly. Instead of scanning the entire database, the index helps you jump directly to the location of the data you need, improving the performance of your queries. Real-World Example: Let’s go back to our bookstore analogy. Imagine you…

Welcome again to System Design series! In this post, we will explore the concept of databases, which are fundamental to storing, organizing, and managing data in any application. Databases are the backbone of any data-driven system, providing the infrastructure needed to handle, retrieve, and manipulate data efficiently. What is a Database? A database allows users to easily access, manage, and update a structured collection of data. It serves as a digital ledger, storing information in an organized way, allowing quick retrieval and manipulation of data. Real-World Example: In our bookstore…

Welcome back to the System Design series! In this post, we will explore the concept of caching, a powerful technique used to enhance the speed and performance of applications. Caching plays a critical role in optimizing data retrieval and ensuring a smooth user experience. What is Caching? Caching is a technique where systems store frequently accessed data in a temporary storage area, known as a cache, to quickly serve future requests for the same data. This temporary storage is typically faster than accessing the original data source, making it ideal…

Boolean Algebra and introduction with examples. A key concept to determine logic in computer programming as well as mathematical problems.

A queue is a linear data structure working on First In First Out policy. But some use cases can require different solutions. We can create different queue types with the same basic idea. This post describes more about them

Radix Sort is an unconventional sorting technique that does not work based on comparison. It works best when all the input elements of a list has the same number of characters.

Bucket Sort is a sorting technique which puts limitations on the input set to get an improved performance. But, before we start learning about this, let us take a quick recap. This is essential so that you understand what are the use cases of Bucket Sort. The sorting techniques that work in an average time complexity of are: Selection Sort Insertion Sort Bubble Sort Some sorting techniques that have an average time complexity of are: Merge Sort Quick Sort Counting Sort is a special sorting technique that does not work…

An array is the most basic data structure one can think of. It may seem very easy to use and in a lot of my posts we have been solving problems using arrays. However, if you are just getting started with programming this post is probably for you. I would like to cover some of the basic concepts that makes this data structure so desirable and easy to use. If you have been programming for a while now this post is probably not written for you. Read along keeping that…