vasubabu | HangoutDude

May 28, 20225 min

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...

2,299 views2 comments

Sep 6, 20212 min

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...

1,586 views4 comments

Aug 14, 20214 min

Measuring Performance Metric 📈📈

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

1,539 views4 comments

Aug 3, 20216 min

Beware of slices in Golang

Slices are more powerful than traditional arrays but great power comes with great responsibility. Before jumping into the main topic today,

Jul 20, 20211 min

How to POST multipart/form-data in GO using Mux

Mux is a powerful HTTP router that matches incoming requests against a list of registered routes and calls a handler for the route that...

Jan 21 min

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

Spring boot3: Use jetty instead of tomcat

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

Jun 24, 20236 min

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

H