payment processor | HangoutDude

May 28, 20225 min read

Design Payment Gateway -Understanding the payment jargons

Payment is a vast domain. To design a payment gateway, one must understand the business and the terms (jargon) behind it. I strongly feel...

2,315 views2 comments

Jan 21 min read

Mac showing wrong date and time despite trying everything

Not very sure about the root cause of the issue but often synching the Apple time servers fixes the issue. From Terminal.app you you...

Sep 15, 20231 min read

Spring boot3: Use jetty instead of tomcat

solution for java.lang.ClassNotFoundException: jakarta.servlet.http.HttpSessionContext with Spring Boot 3 and Jetty server

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Concurrency: How does Postgres handle it like G.O.A.T 🦸 (Part-1)

Article which talks about how postgres handles concurrency, in this article I will go in detail about read phenomena's, isolation levels

May 28, 20225 min read

Design Payment Gateway -Understanding the payment jargons

Payment is a vast domain. To design a payment gateway, one must understand the business and the terms (jargon) behind it. I strongly feel...

Mar 28, 20222 min read

Replace docker with Rancher+Nerdctl 🔥

As most of you know, Docker Desktop and Docker CLI is not free to use from Jan 31st, 2022. Of course, it remains free for small...

Mar 23, 20227 min read

Is Domain-Driven Design really worth it?

Dec 31, 20212 min read

Demystified | Concurrency and Parallelism

Demystifying concurrency and parallelism

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How to visualize/display raw Postgres Ltree data?

Why do we need Ltree? Suppose you had a hierarchical data structure in your application something like the above. How would you save it...

Aug 14, 20214 min read

Measuring Performance Metric 📈📈

Latency Vs Response time: Latency and Response time are often used synonymously but they are different.

Aug 7, 20212 min read

Pinpoint anywhere on earth for better navigation

Have you ever faced an issue telling your address to a delivery agent? Do you still depend on landmarks for navigation ? These three...

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