geocodinglife

LLM Wiki

A pattern for building personal knowledge bases using LLMs.

This is an idea file, it is designed to be copy pasted to your own LLM Agent (e.g. OpenAI Codex, Claude Code, OpenCode / Pi, or etc.). Its goal is to communicate the high level idea, but your agent will build out the specifics in collaboration with you.

The core idea

Most people's experience with LLMs and documents looks like RAG: you upload a collection of files, the LLM retrieves relevant chunks at query time, and generates an answer. This works, but the LLM is rediscovering knowledge from scratch on every question. There's no accumulation. Ask a subtle question that requires synthesizing five documents, and the LLM has to find and piece together the relevant fragments every time. Nothing is built up. NotebookLM, ChatGPT file uploads, and most RAG systems work this way.

geocodinglife

http://stackoverflow.com/questions/22667401/postgres-json-data-type-rails-query
http://stackoverflow.com/questions/40702813/query-on-postgres-json-array-field-in-rails

#payload: [{"kind"=>"person"}]
Segment.where("payload @> ?", [{kind: "person"}].to_json)

#data: {"interest"=>["music", "movies", "programming"]}
Segment.where("data @> ?",  {"interest": ["music", "movies", "programming"]}.to_json)
Segment.where("data #>> '{interest, 1}' = 'movies' ")
Segment.where("jsonb_array_length(data->'interest') > 1")

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Log

git config --global alias.lg "log --graph --abbrev-commit --decorate --format=format:'%C(bold blue)%h%C(reset) - %C(bold green)(%ar)%C(reset) %C(white)%s%C(reset) %C(dim white)- %an%C(reset)%C(bold yellow)%d%C(reset)' --all"

Status

git config --global alias.s status --short

Alternativa útil de status

git config --global alias.s status -sb

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Git Cheat Sheet

Basic commands

git init Creates a new git repository in the directory

git add <file name> Adds a specific file to staging

git add . or git add -A Adds the full directory and its contents to staging

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# State - allow an object to alter its behaviour when its internal state
# changes. The object will appear to change its class.

# Key idea - introduce an abstract class called SomethingState to represent the
# states of the object. Subclasses of the abstract class implement
# state-specific behaviour.

class Person
  attr_accessor :state, :name

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# The below script attempts to automate the character encoding challenges
# encountered with mysql, latin1 and UTF8
# http://www.bluebox.net/news/2009/07/mysql_encoding/

# ==============================================================================
# Copyright © 2013 University of Notre Dame
# Additional copyright may be held by others, as reflected in the commit history.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.

geocodinglife

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "[email protected]"

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=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

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PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

• -E: will describe the underlaying queries of the \ commands (cool for learning!)
• -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)

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class MyMailer < ApplicationMailer
  def send_invoice user, invoice
    @user = user
    @invoice = invoice
    invoice_attachment = WickedPdf.new.pdf_from_string(render_to_string(pdf: "invoice", template: 'payments/charges/invoice.pdf.erb'))
    attachments["I#{sprintf('%06d', @invoice.id)}.pdf"] = invoice_attachment
    mail(to: @user.email,
      subject: "Your invoice", template_path: 'users_mailer')
  end
end