Index
Notes
Resources
Bookshelf
Resources
A curated list of useful resources for learning programming, data science, and more.
Jan 8, 2026
Python
Basics
Primitive Data Types
For Loop
While Loop
New Format
Load a CSV file
Load a JSON file
Write a DataFrame to a JSON file
Delete Columns in a DataFrame
Create Arrays with NumPy
Data Wrangling & Analysis
Flatten a Multi-Index DataFrame
Normalising ETF Adjusted Close Prices in a Multi-Index DataFrame
Simple Data Analysis
System
Walking a directory tree with os.walk()
Web Scraping
Requests and Beautiful Soup
Other
Master JavaScript Mindmap
VSC - Inserting Date Time
VSC - Shortcuts
Git - Basic Commands
Git - Adding an Existing Project to GitHub