Here we start! So on the first day itself, let's understand networking from scratch, starting from server-client architecture, UDP/TCP, etc to sharding, load balancing, scaling, distributed transactions, rate limiting, gRPC, quic, etc Let's first und...
Hello there! Well, 2023 is about to end and 2024 is just around the corner. Before the end of this December, I am planning to make a High-Level Design series where I will be posting blogs related to all the HLD concepts that I have learned so far in ...
RabbitMQ is a popular message broker that plays a crucial role in distributed systems. We often use a message queue between two microservices for efficient uptime of the service. RabbitMQ helps when our app has many tasks or messages to handle. It's ...
Let's dive into a frequently asked JavaScript interview question: the distinction between "Call," "Bind," and "Apply" functions. But before we tackle these functions, it's crucial to grasp the concept of 'this'. Understanding 'this' is like having th...
Learn everything about `this` in JavaScript
In React, the reconciliation process is the core algorithm responsible for efficiently updating the user interface to reflect changes in the application state. The diffing algorithm is a key part of the reconciliation process and is used to determine...
JavaScript engine creates the global execution context before it starts to execute any code. Variables and functions that are not inside any parent function, are accompanied by new execution contexts which are created every time when a new function i...
Cross-origin resource sharing (CORS) is a mechanism that allows restricted resources on a web page to be requested from another domain outside the domain from which the first resource was served. -Wikipedia CORS is an HTTP-header based mechanis...
The path module is one of several Node js modules that make our lives as developers easier. In my opinion, the route module is one of the most misunderstood modules in nodejs, and today I will try to explain what the most commonly used path module me...