Hoseok LEE

Hoseok LEE

Studying CS/Statistics in SNU

Sitemap

A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.

Pages

project

[LoRa] 00. Project Overview

less than 1 minute read

Published:

In this post, a brief overview of LoRa Demodulator/Decoder Project is shown.

[NBA Vision] 06. Training

less than 1 minute read

Published:

In this post, evaluation metrices for training is introduced.

[DL 2026] 1. Project Settings

4 minute read

Published:

In this post, Project Settings for Introduction to Deeplearning class is introduced.

snack

study

[CS50] 02-2 Problem Set

4 minute read

Published:

In this post, the solution for the problem set of the second lecture of CS50 is summarized.

[CS50] 02 Data Types

7 minute read

Published:

In this post, the second lecture of CS50 is summarized.

[CS50] 03-2 Problem Set

6 minute read

Published:

In this post, the solution for the problem set of the third lecture of CS50 is summarized.

[CS50] 04 Algorithm

6 minute read

Published:

In this post, the fourth lecture of CS50 is summarized.

[CS50] 04-2 Problem Set

6 minute read

Published:

In this post, the solution for the problem set of the fourth lecture of CS50 is summarized.

[CS50] 05 Memory

21 minute read

Published:

In this post, the fifth lecture of CS50 is summarized.

[CS50] 05-2 Shorts

12 minute read

Published:

In this post, the shorts video of the fifth lecture of CS50 is summarized.

[CS50] 05-3 Problem Set

5 minute read

Published:

In this post, the solution for the problem set of the fifth lecture of CS50 is summarized.

[CS50] 07 Python

8 minute read

Published:

In this post, the seventh lecture of CS50 is summarized.

[CS50] 09 SQL

22 minute read

Published:

In this post, the ninth lecture of CS50 is summarized.

[CS50] 09-2 Shorts

3 minute read

Published:

In this post, the shorts video of the ninth lecture of CS50 is summarized.

[Linux] Shell

less than 1 minute read

Published:

In this post, the concept of Shell is introduced.

[Linux] Process

1 minute read

Published:

In this post, the concept of Process is introduced.

[Linux] PATH

less than 1 minute read

Published:

In this post, the concept of PATH is introduced.

[Linux] bashrc

1 minute read

Published:

In this post, the concept of .bashrc is introduced.

[CS50] 09-3 Problem Set

5 minute read

Published:

In this post, the solution for the problem set of the ninth lecture of and more details about SQLite is summarized.

[CS50] 10-2 Shorts

10 minute read

Published:

In this post, the shorts video of the tenth lecture of CS50 is summarized.

[Linux] shebang

1 minute read

Published:

In this post, the concept of shebang is introduced.

[Linux] which python

less than 1 minute read

Published:

In this post, the concept of ‘which python’ is introduced. *Reference Site: https://cosmosproject.tistory.com/479

[Linux] .sh

less than 1 minute read

Published:

In this post, the concept of .sh file is introduced. *Reference Site:

[WAFFLE] 0-2 venv & Poetry

2 minute read

Published:

In this post, concept of virtual environment and usage of venv and Poetry is introduced.

[WAFFLE] 0-3 Server Basic2

1 minute read

Published:

In this post, relationship between web server, web container, WAS, web application, and fastapi is provided.

[WAFFLE] 0-4 API

1 minute read

Published:

In this post, concept of API is introduced.

[WAFFLE] 01-2 Factory

less than 1 minute read

Published:

In this post, basic concepts about Factory is introduced.

[WAFFLE] 01-3 Decorator

1 minute read

Published:

In this post, basic concepts about Decorator is introduced.

[WAFFLE] 02-1 SQL

1 minute read

Published:

In this post, concepts about database and SQL are introduced.

[WAFFLE] 02-2 SQLAlchemy

less than 1 minute read

Published:

In this post, concepts about SQLAlchemy are introduced.

[WAFFLE] 04-4 ChatGPT Q&A

6 minute read

Published:

In this post, terminology explanation about concurrent programming by ChatGPT will be provided.

[WAFFLE] 05-2 Agile

less than 1 minute read

Published:

In this post, concepts of Agile will be provided.

[WAFFLE] 05-3 Docker

less than 1 minute read

Published:

In this post, concepts of Docker will be provided.

[WAFFLE] 05-4 Command

less than 1 minute read

Published:

In this post, linux commands for FastAPI project are written.

[Python] Advanced Concepts

6 minute read

Published:

In this post, advanced concepts and grammar of python is introduced.

[Java] Basic Concepts

4 minute read

Published:

In this post, basic concepts and grammar of java is introduced.

[FastAPI] 01 unknown

less than 1 minute read

Published:

In this post, overral concepts of cache, pipelining and ISA is introuduced.

[HTML] 01 HTML Basic

less than 1 minute read

Published:

In this post, overral grammar of HTML is introuduced.

[JavaScript] 04 CSS

1 minute read

Published:

In this post, 04 JavaScript lecture is introuduced.

[JavaScript] 08 Function

less than 1 minute read

Published:

In this post, 08 JavaScript lecture is introuduced.

[JavaScript] 09 Object

less than 1 minute read

Published:

In this post, 09 JavaScript lecture is introuduced.

[CSS] 02 Box Model

1 minute read

Published:

In this post, 02 CSS lecture is introuduced.

[CSS] 03 Grid

1 minute read

Published:

In this post, 03 CSS lecture is introuduced.

[Algorithm] 01 Intro

less than 1 minute read

Published:

In this post, 01 Algorithm lecture is introuduced.

[Java] I/O

10 minute read

Published:

In this post, basic grammar of input/output stream is introduced.

[Java] Package

8 minute read

Published:

In this post, basic concpet of package is introduced.

[Java] Memory

5 minute read

Published:

In this post, memory structure of Java, C and python is introduced.

[Java] Dealing with String

less than 1 minute read

Published:

In this post, dealing with String in Java is introduced.

[Markdown] Cheat sheet

1 minute read

Published:

In this post, concept and cheat sheet of markdown, latex, and Typora is introuduced.

[WAFFLE] Connecting the Dots

37 minute read

Published:

In this post, basic concepts of Git, Github, Aws, Poetry, Docker, FastAPI, Sql and their relationship is introduced.

[GIT] Git

5 minute read

Published:

In this post, concept of Git is introduced.

[GIT] Git Push

1 minute read

Published:

In this post, concept and usage of Git Push is introduced.

[WAFFLE] Waffle Account

1 minute read

Published:

In this post, github ornanization, aws, notion information for waffle is recorded.

[GIT] Git Branch

less than 1 minute read

Published:

In this post, concept and usage of Git Branch is introduced.

[Algorithm] 09 Quiz 1

less than 1 minute read

Published:

In this post, 09 Algorithm lecture is introuduced.

[Algorithm] 10 BST

3 minute read

Published:

In this post, 10 Algorithm lecture is introuduced.

[C] C #include

3 minute read

Published:

In this post, basic concepts of using #include in C is introduced.

[Algorithm] 12 DP

17 minute read

Published:

In this post, 12, 13 Algorithm lecture is introuduced.

[Computation] 07 Midterm

2 minute read

Published:

In this post, midterm of Computation lecture is introuduced.

[System Programming] Midterm

less than 1 minute read

Published:

In this post, midterm of System Programming lecture is introuduced.

[Algorithm] 19 Quiz 2

1 minute read

Published:

In this post, 19 Algorithm lecture is introuduced.

[Startup] Asteromorph in SNU

less than 1 minute read

Published:

In this post, On-Campus Company Info Session of Asteromorph is introduced.

[Algorithm] 24 Quiz 3

1 minute read

Published:

In this post, 24 Algorithm lecture is introuduced.

[Linear Algebra] Final Exam

1 minute read

Published:

In this post, my lecture note for Linear Albebra 1, 2 and final exam problems are provided.

[Algorithm] 25 Final Exam

less than 1 minute read

Published:

In this post, final exam of Algorithm lecture is introuduced.

[BigData] 01

3 minute read

Published:

In this post, lecture 01 of BigData math is introduced.

[CS231n] 01 Intro

less than 1 minute read

Published:

In this post, lecture 01 of cs231n is introduced.

[Python] Numpy

19 minute read

Published:

In this post, Numpy, Scipy, Matplotlib are introduced.

[CS231n] 07 RNN

less than 1 minute read

Published:

In this post, lecture 07 of cs231n is introduced.

[GIT] Git Merge, PR

3 minute read

Published:

In this post, concept and usage of Git merge, and PR is introduced.

[VLAM] 01 CLIP

5 minute read

Published:

In this post, CLIP is introduced.

[VLAM] 02 SIGLIP

4 minute read

Published:

In this post, SIGLIP is introduced.

[VLAM] 03 DINO

3 minute read

Published:

In this post, DINO is introduced.

[Python] Decorator

2 minute read

Published:

In this post, Python Decorator is introduced.

[VLAM] 04 ALOHA

8 minute read

Published:

In this post, ALOHA is introduced.

[VLAM] 05 RT-2

17 minute read

Published:

In this post, RT-2 is introduced.

[VLAM] 06 OpenVLA

less than 1 minute read

Published:

In this post, OpenVLA is introduced.

[Physics] From Code to Robots

17 minute read

Published:

In this post, physical principle that enables the robots to move is summarized.

[D30] January, 2026

less than 1 minute read

Published:

In this post, D30 record of April, 2026 is introduced.

[Spring]

less than 1 minute read

Published:

In this post, Spring is introduced.

[GIT] Git log

less than 1 minute read

Published:

In this post, concept of Git log is introduced.

[ROS] 02 ROS2 Node

less than 1 minute read

Published:

In this post, ros lecture 2 is introduced.

[C++] 01.

less than 1 minute read

Published:

In this post, physical principle that enables the robots to move is summarized.

R 1

less than 1 minute read

Published:

In this post, basic grammar of R is introuduced.