Sumal Surendra

@sssurendra99

Learning DevOp & SRE from Scratch. Mastering what I've learned. One Hack at a Time.

Colombo, Sri LankaJoined December 2023

About

I'm Sumal Surendra, an Information Systems undergrad from Sabaragamuwa University of Sri Lanka on a mission to decode the mysteries of the digital world. Think code whisperer, data detective, and all-around tech enthusiast!

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Sumal Surendra's blogs

Sumal Surendrasumalsurendra.hashnode.dev8 posts

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Recently published

SSSumal Surendrasumalsurendra.hashnode.devMar 23, 2025 · 4 min read

AJAX: The Unsung Hero behind Modern Web Apps

Introduction Ever wondered how Gmail loads emails instantly or how Twitter updates your feed in real-time? The technology making this possible is AJAX (Asynchronous JavaScript and XML). AJAX changed the web by allowing pages to send and receive data ...

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SSSumal Surendrasumalsurendra.hashnode.devMar 3, 2025 · 3 min read

Let’s Do Entity Framework Migrations the Right Way!

Entity Framework Core (EF Core) makes handling database migrations easier, but running them in a release pipeline can get tricky. Normally, you’d need the .NET SDK and EF CLI tools, which adds extra setup steps. That’s where EFBundles come in! They p...

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SSSumal Surendrasumalsurendra.hashnode.devJul 8, 2024 · 7 min read

The SOLID principles - Let's get to know OOP better!

The Story When I was training a kata in codewars I had this question which is "What is the difference between these two lines?" the code below. 1. Map<Integer, String> charCounterMapping = new HashMap<>(); 2. HashMap<Integer, String> charCountMapping...

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SSSumal Surendrasumalsurendra.hashnode.devJun 7, 2024 · 5 min read

What the heck is Cloud computing?

Cloud computing is one those things you may hear often and everybody thinks that they know what it is but nobody knows. So, Today I am going to explain you the concept behind cloud computing and most importantly the reason we are using cloud computin...

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SSSumal Surendrasumalsurendra.hashnode.devMay 28, 2024 · 3 min read

I created an script to automate my Arch Linux installation.

For a long time, I wanted to automate all of the arch installations I do on my virtual machine from time to time, not because I don't enjoy it anymore but just because I want to put my skills in bash scripting into practice. So, I coded the following...

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Sumal Surendra

About

Available for

Sumal Surendra's blogs

Recently published

AJAX: The Unsung Hero behind Modern Web Apps

Let’s Do Entity Framework Migrations the Right Way!

The SOLID principles - Let's get to know OOP better!

What the heck is Cloud computing?

I created an script to automate my Arch Linux installation.

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Sumal Surendra

About

Available for

Sumal Surendra's blogs

Recently published

AJAX: The Unsung Hero behind Modern Web Apps

Let’s Do Entity Framework Migrations the Right Way!

The SOLID principles - Let's get to know OOP better!

What the heck is Cloud computing?

I created an script to automate my Arch Linux installation.