Skip to content

Instantly share code, notes, and snippets.

View iuliandumitru's full-sized avatar

Iulian Dumitru iuliandumitru

  • London
  • 05:06 (UTC)
View GitHub Profile
@rain-1
rain-1 / LLM.md
Last active February 24, 2026 02:03
LLM Introduction: Learn Language Models

Purpose

Bootstrap knowledge of LLMs ASAP. With a bias/focus to GPT.

Avoid being a link dump. Try to provide only valuable well tuned information.

Prelude

Neural network links before starting with transformers.

@ellerbrock
ellerbrock / Free O'Reilly Books.md
Last active March 1, 2026 11:52 — forked from augbog/Free O'Reilly Books.md
Free O'Reilly Books

Free O'Reilly books and convenient script to just download them.

Thanks /u/FallenAege/ and /u/ShPavel/ from this Reddit post

How to use:

  1. Take the download.sh file and put it into a directory where you want the files to be saved.
  2. cd into the directory and make sure that it has executable permissions (chmod +x download.sh should do it)
  3. Run ./download.sh and wee there it goes. Also if you do not want all the files, just simply comment the ones you do not want.
@roubles
roubles / gist:79ede5f7410b0ff4c44046f1f50838c8
Last active November 23, 2023 16:17
A pattern for creating a reliable unique constraint in Cassandra

Unique Constraints in Cassandra

Cassandra is a NoSQL database, and is meant for different applications than traditional relational databases. Nevertheless, developers will want (and try) to implement RDBMS features in Cassandra. Unique constraints is one such example.

Many people have asked about creating unique constraints in Cassandra: 1, 2, 3, 4. There is no definitive answer. The most popular answer seems to be to not even try it. Square peg, round hole. If you need unique constraints, Cassandra may not be the tool for the job. Others have suggested to use LWT/CAS. It should be noted that, simply using LWT/CAS does not give us reliable unique constraints that we get i

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.


Effective Engineer - Notes

What's an Effective Engineer?

@augbog
augbog / Free O'Reilly Books.md
Last active November 23, 2025 23:36
Free O'Reilly Books

Free O'Reilly books and convenient script to just download them.

Thanks /u/FallenAege/ and /u/ShPavel/ from this Reddit post

How to use:

  1. Take the download.sh file and put it into a directory where you want the files to be saved.
  2. cd into the directory and make sure that it has executable permissions (chmod +x download.sh should do it)
  3. Run ./download.sh and wee there it goes. Also if you do not want all the files, just simply comment the ones you do not want.

Applied Functional Programming with Scala - Notes

Copyright © 2016-2018 Fantasyland Institute of Learning. All rights reserved.

1. Mastering Functions

A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.

val square : Int => Int = x => x * x
# see https://www.topbug.net/blog/2013/04/14/install-and-use-gnu-command-line-tools-in-mac-os-x/
# core
brew install coreutils
# key commands
brew install binutils
brew install diffutils
brew install ed --default-names
brew install findutils --with-default-names
@vasanthk
vasanthk / System Design.md
Last active March 13, 2026 10:40
System Design Cheatsheet

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?