👋 I'm Ashik Nesin • Principal Software Engineer @Chargebee 👨‍💻• I write about web development & behinds the scenes of startup/side projects that I'm building

How to Fix CORS Issue in Spring Boot

September 28, 2022

In a traditional Single Page Application, we’ll be running two different servers for both API and UI which can be accessed via different…

How To Change Font in Sublime Text 3

May 07, 2021

It’s 2 AM. You just found a bug in the project which needs to be fixed before you meet your client tomorrow morning. You know what causing…

How to handle HTTP 400 Error in Axios

May 29, 2020

Axios is a light weight promised based HTTP client for both nodejs and browser. Let’s see how to handle 400 error message using it. What is…

Hello, Nesin Technologies LLP

July 06, 2019

I’ve always wanted to start my own startup since my eighth grade (2007). And after years and years of just fantasying I’ve finally taken…

Deploying Web App using GitLab CI

September 18, 2017

Whenever we want to deploy a codebase to a server, we need to do lots of process like unit testing, linting, building, uploading it to the…

How to handle file upload with Express

March 05, 2017

Uploading file is one of the most common thing in any web application. Let’s see how we can do that in less than 10 lines of code. In…

How to Validate Email Address in Python

April 19, 2016

We often have a situation where we need to test whether the given string is a valid email address or not. Here’s a quick post on how to it…

jQuery Like Selector in Pure JavaScript

April 17, 2016

Here’s a quick post on how to select elements with the native HTML5 Selectors. It’s based on the Michal Wachowski’s gist And here’s how to…

An Absolute Beginner's Guide to Docker

March 17, 2016

I don’t get it, it works on my machine ! As a developer, we all experience the situation. Most of the time. Let us see how we can solve that…

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