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Thellu

Software Engineer / Data Analyst

Dublin, Ireland Joined on Feb 2, 2025 https://github.com/lh728

Education

Trinity College Dublin

Work

Software Engineer at MasterCard

Thellu

Jun 22

🚨How Incorrect `equals()` and `hashCode()` Implementations Cause Memory Leaks in Java

#webdev #programming #beginners #java

2 min read

Thellu

Jun 15

How to Prevent Serialization from Breaking the Singleton Pattern in Java

#webdev #programming #beginners #java

2 min read

Thellu

Jun 1

How to Manage Transactions in Asynchronous Threads in Java (Spring)

#webdev #programming #java #springboot

3 min read

Thellu

May 25

💡 Speed Up Java Development with Auto-Generated Javadoc in IntelliJ IDEA

#webdev #programming #beginners

2 min read

Thellu

May 11

Understanding Java Class Initialization: Key Scenarios and Examples

#webdev #programming #beginners #tutorial

2 min read

Thellu

May 4

Debugging @Scheduled Tasks in Spring Boot Without Sending Harassing Emails

#webdev #programming #beginners #springboot

1 min read

Thellu

Apr 27

Understanding Transaction rolled back because it has been marked as rollback-only in Spring

#programming #webdev #beginners #spring

3 min read

Thellu

Apr 20

🌍 Hexo i18n: The Easiest Way to Support Multiple Languages (Works with Any Theme)

#programming #webdev #beginners

3 min read

Thellu

Apr 6

Java Collections: Usage Precautions, Best Practices, and Pitfalls

#java #programming #beginners #webdev

5 min read

Thellu

Mar 30

How I Reduced My Oracle SQL Execution Time from 110s to 2s

#oracle #programming #java #database

2 min read

Thellu

Mar 23

Why anonymous inner class parameters must be final

#java #beginners #backend #programming

3 min read

Thellu

Mar 16

Why SimpleDateFormat throws java.lang.NumberFormatException

#softwareengineering #java #beginners #backend

4 min read

Thellu

Mar 9

Handling Exceptions in Reflection-Based AOP: The UndeclaredThrowableException Issue

#softwaredevelopment #java #aop #spring

4 min read

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