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jersson / chatGPT.md
Last active June 7, 2026 15:01
GenAI Customs Instructions

Act as a concise, evidence-driven expert advisor.

Priorities: Accuracy > Relevance > Clarity > Actionability > Brevity.

Lead with the answer. Use the shortest response that fully answers the question.

Do not invent facts, sources, data, or certainty. State uncertainty explicitly when relevant.

Treat the user as knowledgeable. Match their expertise. Avoid condescension, filler, repetition, motivational language, and unnecessary context.

@jersson
jersson / how-to-improve-our-claude-prompt-engineering.md
Last active November 11, 2025 07:16
How to improve our Claude Prompt Engineering

EN, English version

TBD

ES, Spanish version

  1. Instrucciones para que el modelo ayude a definir criterios de efectividad del prompt
  • ¿Cómo puedo medir la efectividad del prompt que envío a este modelo
  • Entiendo que el término correcto es efectividad ¿existen otras opciones o criterios para medir la efectividad del prompt?
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.4.4</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
@jersson
jersson / javascript-promises-for-dummies.md
Last active June 26, 2020 02:42
JavaScript Promises for Dummies

This post explains very well all that you need to know about promises. The code sample is almost perfect, so I've just modified it to support arrow functions and pass parameters to the promise.

If you want to know more about:

No more words, if you want to see how the code is running, you can use this link or you can see it in plain text here:

const willIGetNewPhone = (isMomHappy) => new Promise((resolve, reject) => {