JongHwa

Junior Full-Stack Developer | Passionate about Spring Boot & learning React for modern web development. A collection of my 'Aha!' moments. 💡

Paraná, Entre Ríos Province, Argentina Joined on Dec 4, 2025 sola120731@gmail.com

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JongHwa

Jan 10

[Simple SNS Project] Step 4. Search Implementation & Logging Strategy

#sql #database #springboot #java

1 min read

JongHwa

Jan 9

[Simple SNS Project] Step 3. Building the Follow System & Timeline (N:M Relationship)

#backend #java #mysql #tutorial

2 min read

JongHwa

Dec 29 '25

[Simple SNS Project] Step 2. Optimizing Feed Performance: DB Indexing & Rate Limiting

#database #backend #springboot #performance

2 min read

JongHwa

Dec 29 '25

[Simple SNS Project] Step 1. User Registration & Handling Forbidden Words with Spring Boot

#java #springboot #tutorial #react

2 min read

JongHwa

Dec 19 '25

Stop Asking for Data! Master the "Tell, Don't Ask" Principle

#architecture #design #programming

2 min read

JongHwa

Dec 18 '25

My Service is Slow! Where Do I Start? (Performance Tuning Basics)

#beginners #performance #backend #architecture

3 min read

JongHwa

Dec 13 '25

How to Limit Comment Nesting Depth in Self-Referencing Tables

#architecture #database #sql

2 min read

JongHwa

Dec 13 '25

Why I Can't Use Java Records as JPA Entities

#architecture #backend #java

2 min read

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JongHwa

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[Simple SNS Project] Step 4. Search Implementation & Logging Strategy

[Simple SNS Project] Step 3. Building the Follow System & Timeline (N:M Relationship)

[Simple SNS Project] Step 2. Optimizing Feed Performance: DB Indexing & Rate Limiting

[Simple SNS Project] Step 1. User Registration & Handling Forbidden Words with Spring Boot

Stop Asking for Data! Master the "Tell, Don't Ask" Principle

My Service is Slow! Where Do I Start? (Performance Tuning Basics)

How to Limit Comment Nesting Depth in Self-Referencing Tables

Why I Can't Use Java Records as JPA Entities