Today I Learned¶

Welcome to my digital garden / second brain where I try to dump everything I learn in its most raw form 🌱

43 TILs and counting...

Categories¶

Recent TILs 🆕¶

Artificial Intelligence¶

• Data Pre-Processing
• Feature Scaling Techniques
• Reinforcement Learning: The 3^rd class of Learning Problems
• MCP Server: What is it all about?
• Deep Learning: Resources for learning
• Deep Learning: CNNs
• Papers on the reading list
• Regularization: A way to select features
• Datasets for practicing
• Large Language Models: Locally running one
• RAG: What is it?

Bash¶

• Basic syntax: What is it really?

C++¶

• Shallow Copy vs Deep Copy
• std::copy and its design
• malloc vs new
• lock_guard: Locking mechanism

Command Line Tools¶

• bat: cat, but with syntax highlighting!
• yadm: Yet Another Dot Manager
• zoxide: cd on steroids
• fzf: A general-purpose command-line fuzzy finder
• jq: JSON formatter for the terminal
• fzf: Previewing a file

Computer Networks¶

• Sniff packets on the network
• Sockets: A guide
• Signals
• SSH: Cool way to connect to another machine in a local network

Docker¶

• Docker in 70 or so lines

Git¶

• Change git history with force pushing

Kubernetes¶

• Helm Charts: the package manager for Kubernetes

Miscellaneous¶

• Formatting Syntax for Github Markdown
• Data structures used for string matching and checking for existence in a hashmap
• ANSI escape codes
• Compression: Byte Pair Encoding

Operating Systems¶

• Installing a Linux Distro alongside Windows
• Removing write protection from disk / USB drive
• Never defrag an SSD

Python¶

• Important Modules To Learn About
• Find out last modified date of a file
• uv: The new virtual environment
• Walrus operator

Web Development¶

• What is web?
• Basics of HTML
• Intro to CSS

About¶

I found out about TILs from Bhupesh-V/til.

Other resources: - jbranchaud - thoughtbot - simonw