CSCheon Sejunineliosdevlog.hashnode.dev·Apr 11 · 3 min readBuilding a High-Precision Travel Guide: Optimizing RAG for a Jeju Island AI ChatbotIntroduction: The Limits of Vanilla LLMs When building a tourism assistant for a specific location like Jeju Island, generic LLMs often fall short. They might hallucinate trail names, provide outdated00
CSCheon Sejunineliosdevlog.hashnode.dev·Apr 4 · 3 min readCracking the Recycling VQA Challenge: From Baseline (0.70) to 0.901 with Qwen2.5-VLIntroduction: The VQA Frontier in Recycling In the SSAFY AI Challenge, I was tasked with a complex Visual Question Answering (VQA) problem: building a model that can look at images of recyclable waste00
CSCheon Sejunineliosdevlog.hashnode.dev·Jun 11, 2025 · 7 min readUnderstanding Python Classes: A Beginner's Guide to Object-Oriented ProgrammingIn this document, I aim to organize my thoughts on the Class, the foundation of object-oriented programming (OOP) in Python. I will define the basic concepts and terminology of classes and learn how to design and utilize them through practical exampl...00
CSCheon Sejunineliosdevlog.hashnode.dev·Jun 11, 2025 · 5 min read파이썬 초보 탈출을 위한 클래스(Class) 핵심 가이드 (feat. 던더 메서드, 상속)이번 문서에서는 파이썬 객체 지향 프로그래밍(OOP)의 근간을 이루는 **클래스(Class)**에 대해 정리해보고자 한다. 클래스의 기본적인 개념과 용어를 정의하고, 실제 예제를 통해 클래스를 설계하고 활용하는 방법을 알아본다. 나아가 지난 '리스트(List) 심층 분석'에서 잠시 다루었던 **던더 메서드(Dunder Method)**가 클래스 내에서 어떻게 연산자 오버로딩과 객체 표현을 가능하게 하는지, 그리고 클래스 변수와 상속의 개념까지 ...00
CSCheon Sejunineliosdevlog.hashnode.dev·Jun 10, 2025 · 8 min readMastering Python List Structures: A Detailed Look at Features and OperationsThis document covers an in-depth analysis of the List, one of the most fundamental data structures in Python. The goal is to move beyond the superficial usage of lists and to explore and organize their intrinsic features and core internal operating p...00
