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Codingquark

My hacking adventures

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Quick Capture Safari Links in Obsidian

I’ve built a straightforward capture system in emacs for storing links in a designated file. Lately, however, I’ve ventured into the world of Obsidian , a note-taking application, to explore its capabilities. To make link capturing effortless, I initially experimented with Instapaper . The ease of capturing web content with Instapaper is genuinely remarkable—simply click a button in your browser,…

My Water Usage Follows Normal Distribution

I have been collecting water usage data for three years. The way home-assistant collects data, I get hourly mean, mix and max values for the water level in a sqlite database. Raw Numbers To set the context: Total data points : 13,410 Range of Values : 0.05 - 99.93 Plot of all the points: Cleanup Negative values come from malfunctioning sensors. A lot of jitter from earlier sensors as well.…

How to think rationally about laptop insurance?

This post serves as an exercises in Bayesian thinking as well.

The Echoes

The music is their instrument to assert control. The reverberating air carries the commands. They turn up the heat and ice cube starts melting slowly. They know what they’re doing, they are turning us into water, for the rill is our destiny. Before long, they succeed. We are one with the rill. We flow, we dance, we are euphoric. We fall and rise. Sun rays kissing us, dancing along. It is the…

Arvinddas

Arvinddas was a carefree ascetic who chose to wear white instead of orange. He traversed the country on motorcycles and bicycles, carrying no material possessions. He encountered trouble, offended people, made friends, and shared his experiences and fortunes with generosity. To my family, he was the wanderer who popped randomly in search of food.

The Seed of Science

Listen to Interstellar OST as you read this. As the hour approached, the young boy shouldered his schoolbag and made his way down the stairs. His friends awaited him three stories below, their bicycles ready. During the long summer break, he had eagerly flipped through the pages of the new textbooks, his eyes fixated on the captivating, crude black-and-white line drawings that adorned the science…

Some equations from Concrete Mathematics Chapter 2

Brace yourselves for a wall of equations. These are really just for me, I like them and wanted to have a list.

Concrete Mathematics Chapter 1 Exercise 11

We often see polished proofs and solutions. They have no mistakes, no signs of exploration… I will not do that here, we are going to explore. Apologies for not having images and videos, they would’ve been of much help.

Words Worth The Pain

Pain serves its purpose. It is a message conveying “pay attention here”. Physical pain—of injuries, illnesses—makes damn sure we give it a rest. Pain is essential in identifying what is wrong, where.

Notes on Recurrent Problems — concrete mathematics chapter 1

These are some of the notes to help understand the chapter. It fills in some of the gaps I had while studying. It does not provide a summary of any kind. It shows various inductive proofs, follows algebraic steps in a verbose way and points out some subtlties along the way. There’s also a PDF.