DEV Community: wilmer jelko lazaro guerra

Migracion de datos en la nube

wilmer jelko lazaro guerra — Mon, 13 Apr 2026 19:15:09 +0000

En un mundo donde la información era el nuevo petróleo, la migración de datos en la nube se había convertido en una carrera de relevos a gran escala. Las empresas corrían para trasladar sus archivos a los servidores virtuales, como si se tratara de una gran evacuación en busca de un refugio seguro. La empresa "Nube y Azul" era una de ellas, y su equipo de expertos trabajaba día y noche para asegur

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Originally published at https://nexmind3.hashnode.dev/migracion-de-datos-en-la-nube-1

Run a 70B Model Locally on Consumer Hardware: A Step-by-Step Guide

wilmer jelko lazaro guerra — Mon, 13 Apr 2026 14:00:08 +0000

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Originally published at https://nexmind3.hashnode.dev

Build a Robust Retry Decorator for Any API in Python

wilmer jelko lazaro guerra — Mon, 13 Apr 2026 03:09:14 +0000

When interacting with external APIs, it's common to encounter temporary failures due to network issues, server overload, or other transient errors. Implementing a retry mechanism can significantly improve the reliability of your system. In Python, you can achieve this using a decorator, a design pattern that allows you to wrap another function to extend its behavior without permanently modifying

In this article:

Introduction to Retry Decorators
Understanding the Requirements
Basic Implementation
Example usage:

Read the full article on NexMind →

Originally published at https://nexmind3.hashnode.dev/build-a-robust-retry-decorator-for-any-api-in-python-1

Build a Local RAG System with Ollama and ChromaDB in 30 Minutes

wilmer jelko lazaro guerra — Mon, 13 Apr 2026 02:48:39 +0000

Building a local RAG (Retrieve, Augment, Generate) system can be a complex and time-consuming process, requiring significant expertise in AI and data engineering. However, with the right tools and a step-by-step approach, you can have a fully functional local RAG system up and running in just 30 minutes. In this article, we will explore how to build a local RAG system using Ollama and ChromaDB.

In this article:

Introduction to RAG Systems
Introduction to Ollama and ChromaDB
Step 1: Install Ollama and ChromaDB
Step 2: Configure Ollama

Read the full article on NexMind →

Originally published at https://nexmind3.hashnode.dev/build-a-local-rag-system-with-ollama-and-chromadb-in-30-minutes-1

Mastering Oracle BULK COLLECT and FORALL: Boost ETL Performance by 500%

wilmer jelko lazaro guerra — Mon, 13 Apr 2026 02:48:20 +0000

As an ETL developer, you're constantly seeking ways to improve the efficiency and speed of your data processing workflows. Oracle's BULK COLLECT and FORALL statements are two powerful features that can help you achieve this goal. In this article, we'll delve into the world of BULK COLLECT and FORALL, exploring their benefits, syntax, and best practices for implementation.

In this article:

Introduction to BULK COLLECT
Benefits of BULK COLLECT
Syntax and Example
Introduction to FORALL

Read the full article on NexMind →

Originally published at https://nexmind3.hashnode.dev/mastering-oracle-bulk-collect-and-forall-boost-etl-performance-by-500

Automate ETL Data Validation in Minutes: No More 1000 Lines of SQL

wilmer jelko lazaro guerra — Mon, 13 Apr 2026 02:48:01 +0000

Validating ETL (Extract, Transform, Load) data quality is a crucial step in the data integration process. It ensures that the data is accurate, complete, and consistent across different systems. However, writing thousands of lines of SQL code to validate ETL data can be time-consuming, prone to errors, and frustrating. In this article, we will explore how to automate ETL data validation without wr

In this article:

Understanding ETL Data Validation
Automating ETL Data Validation
Example: Automating ETL Data Validation with Python
Connect to the database

Read the full article on NexMind →

Originally published at https://nexmind3.hashnode.dev/automate-etl-data-validation-in-minutes-no-more-1000-lines-of-sql

How Tech Freelancers Can Legally Reduce Their Tax Bill by 30%

wilmer jelko lazaro guerra — Mon, 13 Apr 2026 02:46:59 +0000

As a tech freelancer, you're likely no stranger to the challenges of managing your finances and navigating the complex world of taxes. With the rise of the gig economy, more and more tech professionals are turning to freelancing as a way to work on their own terms and pursue projects that they're passionate about. However, this freedom comes with a price: a higher tax bill. In this article, we'll

In this article:

Understanding Freelance Taxes
Business Structuring for Tax Savings
Tax Deductions for Freelancers
Retirement Planning for Freelancers

Read the full article on NexMind →

Originally published at https://nexmind3.hashnode.dev/how-tech-freelancers-can-legally-reduce-their-tax-bill-by-30

How to Build a Local AI Stack With Zero Cloud Cost in 2026

wilmer jelko lazaro guerra — Sat, 14 Mar 2026 06:19:38 +0000

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Originally published at https://nexmind3.hashnode.dev/how-to-build-a-local-ai-stack-with-zero-cloud-cost-in-2026

Prompt Engineering para principiantes

wilmer jelko lazaro guerra — Sat, 14 Mar 2026 06:19:21 +0000

En el vasto universo de la inteligencia artificial, un joven ingeniero se sumergió en el mundo del Prompt Engineering, decidido a dominar el lenguaje de las máquinas. Era como un navegante que se adentra en un mar desconocido, sin brújula ni estrella guía, pero con la determinación de encontrar el tesoro escondido. Sin embargo, pronto descubrió que el Prompt Engineering era un rompecabezas complej

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Originally published at https://nexmind3.hashnode.dev/prompt-engineering-para-principiantes

Generacion de datos sinteticos para QA

wilmer jelko lazaro guerra — Sat, 14 Mar 2026 06:14:05 +0000

En un mundo donde la información era el petróleo que alimentaba las máquinas de aprendizaje, la generación de datos sintéticos se había convertido en una industria en auge. Como un hacker de datos, mi misión era crear conjuntos de información que simularan la realidad, para que los sistemas de inteligencia artificial pudieran aprender a navegar en un mar de incertidumbre. Sin embargo, pronto me en

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Originally published at https://nexmind3.hashnode.dev/generacion-de-datos-sinteticos-para-qa

Ingresos pasivos con contenido digital

wilmer jelko lazaro guerra — Sat, 14 Mar 2026 06:13:59 +0000

En un mundo donde la información fluía como un río desbordado, Sofía buscaba crear un dique que canalizara los ingresos pasivos hacia su cuenta bancaria. Comenzó a generar contenido digital, sembrando semillas de conocimiento en la vasta llanura de internet, esperando que crecieran y produjeran frutos financieros. Sin embargo, pronto se dio cuenta de que la competencia era feroz y que su contenido

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Originally published at https://nexmind3.hashnode.dev/ingresos-pasivos-con-contenido-digital

Productividad con modelos locales Ollama

wilmer jelko lazaro guerra — Sat, 14 Mar 2026 06:08:43 +0000

En un mundo donde la productividad se había convertido en un bien escaso, la empresa Ollama emergió como una solución innovadora. Su modelo de gestión basado en la colaboración y el intercambio de conocimientos locales parecía ser la clave para desbloquear el potencial de las comunidades. Sin embargo, pronto se hizo evidente que la verdadera eficiencia requería algo más que simplemente conectar a

Read the full article on NexMind →

Originally published at https://nexmind3.hashnode.dev/productividad-con-modelos-locales-ollama