Dhruva Sagar

A graph of five hundred interlinked notes taught me that capture and linking are not enough — knowledge needs structure to be documented, referenced, and discovered.

The water holds your body.

Language compresses rich subjective experiences into symbols that others must reconstruct, making misunderstanding inevitable.

Fear in the workplace is not a motivator.

AI is best at removing exactly the friction where craft, focus, and satisfaction used to live.

For years, I thought discipline was simply working hard and striving to improve.

A Claude Code plugin for Ruby and Rails upgrades.

Why getting faster has always required slowing down first — and why the cycle never really ends.

The Matrix got the diagnosis right and the cure wrong — there is no Morpheus, no red pill, no city beneath the city, only the simulation we already inhabit and the seeing of it.

Watching my daughter grip her bike’s handlebars for the first time, I saw the familiar flicker of fear in her eyes, the apprehension of the unknown, the hesitation to stumble, the dread of failure.

How to build a scalable ingestion pipeline with Rust

Exercise is also a form of meditation, has tremendous positive impact on mental health

Neovim has come a long way today from it’s original goal of being able to support asynchronous jobs.

Collection of my notes from the lecture titled ‘How to Speak’ by Patrick Winston

In a recent project, we developed an ingestion pipeline in Rust.

RPi CCTV in Action : A simple web interface to control the RPi CCTV : What you need to build this (hardware) : Raspberry Pi(1) (1)Preferably Raspberry Pi-3, for on-board wireless, or Raspberry Pi Zero W, although you can achieve similar result without much

Update2 : As I have been informed now, there has recently been support added for including external files in the ssh config.

I am a VIM user and have been for quite a long time(1) (1)~7 years .

Recently, I was required to build a template rendering component that should render within a dynamic context, i.e. it would have methods / variables defined within a predefined context available during rendering, apart from what was provided directly.

Slack has gained a lot of popularity in recent times as a tool for inter-team communication and for the right reasons.

WebRTC is fun!

A while back I posted about Amuse my prompt theme for ZSH targeting oh-my-zsh.

I am a huge proponent of open source technologies and having worked predominantly in various web technologies in the course of my career, I mostly work exclusively with open source stacks.

Learning is key in brain development.

Switching to SSD’s for better performance and compromising on disk space can be a tough decision to make.

Google Code Jam has always been a competition I have cherished, simply because the problems they post are brilliant and the closest to reality as compared to problems of other competitions.

Hi guys, VIM has an option tabline that one can use to configure how the tab line would look like.

The other day I wanted to open a scratch buffer to write some temporary code and the pass it on to a repl to test it out, the idea was that I could modify it as needed and resend it back to the repl and see the changes, helps to debug easily.

If you are used to using the quickfix list in VIM there are times when you want to filter certain things out of the quickfix list to narrow it down to relevant results that you need.

Ruby 1.9 introduced a new json style ruby hash syntax.

My development environment setup consists of several tools, however the 2 most used and essential tools that have a great impact on my workflow are tmux & vim.

Edit : Updated the code as per the suggestions made by Masklinn.

Recently I picked up some minor configs for ruby from Time Pope’s vimrc.

Update 3: Improved the code for extraction of fillchar from fillchars option and taking foldcolumn into account.

UPDATE 2: Released v 2.0 of the plugin.

Amuse is a simplistic theme I built for the popular shell ZSH that I use.

VIM in my muscle memory is one of my popular posts, the day I published it, I attracted over 3,200 unique views in a single day, mostly from Hacker News and Reddit Programming.

UPDATE : I released the first stable version 0.2.1, it should be usable as is without any issues.

Tmux is a terminal multiplexer like Screen on steroids.

As I have mentioned before ([Magician Chrome makes RAM disappear][1]), I had been facing several issues with Mac OSX.

Recently I have been experiencing a very weird issue on my Macbook Pro, I have Lion v10.7.4, with a decent configuration : 2.8 GHz Intel Core i7 processor, 8GB Ram with a 750GB sata hard disk.

I have been an ardent VIM user for almost 4 years now, and it’s been a while since I have been wanting to write this Blog.

There has been tremendous advancement in the domain of Artificial Intelligence (AI) and Machine Learning (ML) in the recent years.

Hi, I have written a series of articles (in several parts) in an attempt to guide beginners to get comfortable with Ruby.

There was a requirement at one of our projects here at Artha42 Innovations Private Limited that our Mongo Mapper documents have inherent versioning so as to be able to track the changes being made and also if required revert the changes to a previous stat…

Showcasing how to calculate hashes in Java, C# and Ruby!

After having covered most of the basics of Ruby, lets get started on an actual problem, just like I had promised in my previous article – Getting started with Ruby – Part 5 I am taking a relatively simple problem that came in Google Codejam 2009 qualifica…

Hi in my previous article Getting started with Ruby – Part 4 I covered Hashes & blocks.

In my previous article Getting started with Ruby – Part 3 I started with Collections and covered basics of Ranges & Arrays.

In my previous article Getting started with Ruby – Part 2 I introduced you all to Ruby & its philosophy and I started out with data type classes in Ruby.