Pandula Weerasooriya – Medium

Pandula Weerasooriya

Pandula Weerasooriya

Understanding credit default swaps

Sep 7

Understanding credit default swaps

Sep 7

Pandula Weerasooriya
in
DevOps.dev

Implementing Request Parking in a Go Service with Redis

This short article explains, in essence, how to use Redis to synchronize multiple concurrent requests in a Web service. Although I’ve used…

Sep 1, 2023

Implementing Request Parking in a Go Service with Redis

Sep 1, 2023

Pandula Weerasooriya

Making sense of HTTPS

Image by Freepik

May 20, 2023

Making sense of HTTPS

May 20, 2023

Pandula Weerasooriya
in
Better Programming

How To Use the “thiserror” Crate in Rust

Apr 29, 2023

How To Use the “thiserror” Crate in Rust

Apr 29, 2023

Pandula Weerasooriya

Data modelling patterns in MongoDB

Although MongoDB is often described as a schema-less database, where schemas can be modified without issuing `alter table` queries as in a…

Feb 10, 2023

Data modelling patterns in MongoDB

Feb 10, 2023

Pandula Weerasooriya

A simple wait-group implementation in Rust

When writing concurrent code in Go, wait-groups are used ubiquitously as an important piece of arsenal for syncing go-routines. However, in…

Jul 16, 2022

A simple wait-group implementation in Rust

Jul 16, 2022

Pandula Weerasooriya

Reading and writing multiple records to a file with protobuf format using Go

Protocol buffers are a flexible, efficient, automated data serialization mechanism developed by Google. It’s language-neutral…

Aug 7, 2021

Reading and writing multiple records to a file with protobuf format using Go

Aug 7, 2021

Pandula Weerasooriya

How to rename or replace an Elasticsearch index with zero downtime

Recently I worked on a project where I had to replace an ES index using a new dataset every day. The data was coming from a public…

Jun 13, 2021

How to rename or replace an Elasticsearch index with zero downtime

Jun 13, 2021

Pandula Weerasooriya

Unicode, UTF-8 explained with examples using Go

Unicode and utf-8 are two topics that I’ve always had a lot of trouble wrapping my head around. Although I can memorize specifying…

Oct 4, 2020

Unicode, UTF-8 explained with examples using Go

Oct 4, 2020

Pandula Weerasooriya

Demystify connect in react-redux (Part 1, closures & higher order components)

The natural journey of a React developer is to build a few toy applications using idiomatic React with stateful class components and a…

May 23, 2020

Demystify connect in react-redux (Part 1, closures & higher order components)

May 23, 2020

Pandula Weerasooriya

Pandula Weerasooriya

A fullstack engineer who's passionate about building data intensive products and distributed systems. My stack includes Golang, Rust, React, NodeJS and Python.

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