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Hit 1300 on Chess.com!@

May 23, 2026

How Event Listeners Work

Explained with Java examples

May 5, 2026

ENKI RedTeam CTF

A Developer's Take on a Hacking (RedTeam) Competition

March 21, 2026

Already 2026, Looking Back on My Life

Time, please stop..

December 22, 2025

Someone Please Stop Crazy Broadcom

Redis Incident and Broadcom's Crazy Behavior

November 2, 2025

Why Choosing the Wrong SSL Certificate CA Can Ruin Your Service

October 7, 2025

Why Use JWT? Know Before You Use It

There's a reason session-based auth is the classic approach.

March 30, 2025

Ugh, So Frustrating~ SSE Response Isn't Coming

SSE Timeout Issue in Azure AppGateway Environment

March 29, 2025

Redis-Sentinel Introduction

Let's migrate Redis from standalone operation to a new cluster

February 26, 2025

nginx logrotate Troubleshooting

Why did this take so long...

September 1, 2024

Hosting a Minecraft Server 24/7 in the Cloud

I'm not a kid, okay?

July 21, 2024

Spring Batch, Metadata Table DB Separation and Datasource Configuration

For clean DB configuration!

July 13, 2024

JavaScript, Amazing Uses of Backticks

What else is there besides template literals?

November 20, 2023

SDC 2023 - Refactoring Day

I attended Samsung Developer Conference

November 18, 2023

Let's Learn About Kotlin

They say it's better than Java?

November 4, 2023

Setting up GraphQL Server

The name sounds cool, right?

October 23, 2023

Implementing Priority Queue (Feat. Heap)

Why doesn't JavaScript have a priority queue STL?

October 5, 2023

Creating Puppeteer Web Crawler - 2

Direct implementation

September 17, 2023

Creating Puppeteer Web Crawler - 1

Have you heard of Puppeteer before?

September 14, 2023

JPQL and Native Query

ORM library commonly used with JPA

August 22, 2023

Auto-reload After Thymeleaf Source Changes

Let's set up spring-devtools together and develop comfortably

August 16, 2023

Conquering the Annoying CORS

CORS??? What even is this?

August 6, 2023

What is type: module in package.json?

Let's understand this mysterious option

August 2, 2023

MSA Design and Implementation - 02

Sharing project progress

June 30, 2023

Encryption and Hashing I Write Down Because I Keep Getting Confused

Cryptography - Ciphertext, Masking, Hash

June 3, 2023

Kubernetes - DB in Pods?

May 20, 2023

MSA Design and Implementation - 01

I designed the MSA project that I will be working on

May 13, 2023

Kubernetes - Deployment and Service

New concepts have arrived

May 9, 2023

Building a Kubernetes Cluster 'Directly'

A tearful story

April 21, 2023

Kubernetes Concept Summary

Let's learn about the beautifully abstracted Kubernetes!

April 14, 2023

MSA Design and Implementation - Prologue

What exactly is MSA?

April 13, 2023