Today I Learned

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

Categories

Android[1]	Artificial Intelligence[2]	Aws[1]
Career[9]	Coding Practices[5]	Community Building[5]
Compilers[1]	Data Warehouse[1]	Databases[11]
Devops[7]	Distributed Computing[2]	Ffmpeg[3]
Flutter[3]	Git[10]	Go[16]
Hotwheels[1]	Management[1]	Meta[3]
Miscellaneous[14]	People[2]	Psychology[3]
Public[0]	Python[19]	Sales[1]
Shell[30]	Software Design[1]	Startups[1]
Vim[8]	Webdev[5]

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Android

• Running headless Android Emulator

Artificial Intelligence

• Fundamentals of LLMs
• Retrieval-Augmented Generation (RAG)

Aws

• AWS Elastic Container Registry & Elastic Container Service

Career

• Beating Burnout: Some Thoughts & Resources
• Exploring Large Codebases
• Full employment theorem
• Invest in decision-making skills early in career
• Leveling up from Software Engineer to Senior Software Engineer
• Mentoring
• Pros & Cons of working professionally
• Questions to ask in an interview
• Writing Cover letter - Tips

Coding Practices

• Naming Variables & Functions
• Routines: Functions & Procedures
• SOLID: Design Principles
• Writing Comments
• Writing Functions

Community Building

• How to motivate and encourage volunteers
• Questions for Women in Tech
• Questions to ask every Community Builder
• Questions to ask every community volunteer
• What does a Community Lead (or Organiser) do?

Compilers

• Reference Counting v/s Garbage Collection

Data Warehouse

• Why Reverse ETL

Databases

• CHECK constraint v/s EXCLUSION constraint
• Clustered & Non-clustered Indexes
• Collected notes on Database Sharding 🗃
• EXPLAIN queries in PostgreSQL
• Getting JSON data from PostgreSQL
• Inserting NULL wherever possible on Postgres
• List all values of a custom enum in Postgres
• Postgres 14 Internals: Data Organisation
• Postgres Tips & Tricks
• SQLite db optimization with ROWID
• Slowly Changing Dimensions (SCD)

Devops

• Blue-Green Deployment Strategy
• Chaos Engineering 🐒️
• Docker image load & save
• Docker multi-platform build using buildx
• Docker 🐋 quick guide
• Set up a SFTP server using AWS Transfer Family
• Simulating AWS Lambda locally using LocalStack

Distributed Computing

• 8 Fallacies of Distributed Computing
• Distributed Hash Tables (DHT)

Ffmpeg

• Converting videos to High quality GIFs
• Generate Video thumbnail using ffmpeg
• Record your Desktop using ffmpeg

Flutter

• Decrease lottie size dynamically in flutter
• Get all Hive 🐝 boxes
• Null aware operators in Dart

Git

• Auto-correct Git commands
• Find default git branch name
• Get current branch name
• Get last commit date of file
• Get list of all branches
• How to undo anything in Git
• Parsing `git status` for tracked & untracked changes
• Using multiple git user configs with credentials store (multiple github accounts)
• View a python function's history over-time with Git & FZF
• View git diff since the last git pull

Go

• Add version info in Go projects
• Anatomy of `go.mod` file
• Clearing terminal screen in Go
• Concurrency Comparison: Go v/s Elixir
• Convert `string` to `int` and vice-versa in Go
• Creating Python's next() alternative using Go Closures
• Measure Exection time in Go
• Mega List of Tips for Writing Performant Go Code
• Memoization using Golang Generics
• Parsing changelogs using regex with Go
• Reading & Setting Environment variables in Go
• Resolving merge conflicts in go.sum
• Splitting strings in Go
• Strategy Design Pattern in Go
• Using local Go package path
• Where are my build files when I use `go run`

Hotwheels

• Find when a hotwheels car was manufactured

Management

• The art and science of mess management

Meta

• Checklist for documenting a medium to large scale system architecture
• Tech Writing Cookbook - Writing tips for you & my future self
• The good that comes with maintaining blogs

Miscellaneous

• All .odp files are zip archives
• Creating a Regex Compiler/Parser - Research
• Deploying to Heroku
• Internet search tips & tricks for developers
• Killing Open Ports in Linux
• Navigating your way through Github API
• Net Promoter Score (NPS)
• Releases on GitHub
• SEO Tools
• Semantic Versioning
• Streaming videos, things behind the curtain
• UI-UX Tools to ease your life
• What's a Procfile 👀
• Writing Cleaner Commits - Template

People

• Interesting Views on Tech Hiring
• Questions for you as a tech worker

Psychology

• Einstellung effect
• Eustress: The Good Stress
• Interference theory

Public

Python

• Check if csv has header in python
• Check indentation errors in python 🐍
• Cryptographically strong random string
• Difference b/w Class & Function Based Views in Django
• Dividing Time deltas in python - Difference b/w 2 datetime values
• Downloading files using python the correct way
• Easy & Lazy way to flatten a python list
• Everything about date & time in python
• Fastest Python First: Tips and Tricks 🏃
• Functional Programming in Python 🐍
• Generate random secure password using python
• Measure code execution time using timer
• PEP8 - the fashion 💃 police of Python
• Preventing global package install with `PIP_REQUIRE_VIRTUALENV`
• Publishing a Package on PyPI
• Specify dev dependencies in setup.py
• Using defaultdict to handle key not in dict
• Using difflib in Python for fuzzy string matching
• Writing Unit Tests in Python ✅

Sales

• Consultative Selling / Solution Selling

Shell

• Alternative to 'ls' commnand
• Changing Display Configuration using xrandr
• Changing string case in bash
• Check battery status
• Colorize Output in Terminal
• Copy one file to multiple files in Bash
• Extract file id from drive shareable link
• FZF: Tips and Tricks
• Find boot-up time in linux 🐧
• Find files changed 7 days ago
• Find fonts available in Linux
• Finding all Python Virtual Environments in your system
• Finding the file creation date/time on Linux
• Generate a RSS Feed of recent files inside a Git repository
• Generate random numbers in bash
• Get Release notes from Github API
• Get System info using Shell Commands
• Get Total System Memory using vmstat command
• Get total download stats from GitHub & Homebrew
• Line Discipline in Unix/Linux Machines
• Line Editors in Linux, Tips and Tricks
• Monitor network (data) usage
• Print lines between 2 words
• Print value of `$PATH` in readable format
• Random emoji 😲 in one line
• Reuse arguments from last command
• Seamlessly Exporting Environment Variables for both Shell & VS Code Debugger
• Shell Redirections ↔ Quick Guide
• Writing a simple file watcher using GNU Utils
• grep cheatsheet

Software Design

• Design by contract (DbC)

Startups

• Pitchdeck Resources

Vim

• Configuring LSP on NeoVim
• Convert bulleted/unordered lists to numbered lists
• How to make Vim faster ⚡️
• My Vim Cheatsheet
• Searching your way through vim
• Sum column values in Vim
• ctags in Vim - Quick Cheatsheet
• vim surround: quick cheatsheet

Webdev

• Auto-complete in plain HTML
• I learned about Open Graph protocol
• Live Editing HTML
• Turning Emojis to site favicons
• `async` & `defer` Attributes

About

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