iiinova — where your digital self keeps evolving

Alejandro Duarte @alejandro-du.bsky.social · 06/10/2026

😍 Cover design ready! Also, MariaDB for Developers is now SELECT to Ship. Going to the printers soon. Check it out! 👉https://selecttoship.com

Cover for the book "SELECT to Ship" by Alejandro Duarte.

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Alejandro Duarte @alejandro-du.bsky.social · 04/10/2026

Actual developer productivity gains from AI are around 13% not 2x, not 5x, not 10x. www.youtube.com/watch?v=Se8j...

youtube.com

The State of AI in Software Development: Data from 400+ Orgs — Justin Reock, DX

YouTube video by AI Engineer

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Alejandro Duarte @alejandro-du.bsky.social · 29/09/2026

The simplest program that truly learns from data, implemented in plain C. #ML

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Alejandro Duarte @alejandro-du.bsky.social · 24/09/2026

I wonder if #OpenSource contributions will eventually become #AI prompts rather than actual code 🤔

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Alejandro Duarte @alejandro-du.bsky.social · 01/09/2026

My book about #databases and #MariaDB is ready for @starbuxman.joshlong.com's favorite place: Production! mariadbfordevelopers.com

Chapter 10 of "SELECT to Ship: MariaDB for Application Developers".

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Alejandro Duarte @alejandro-du.bsky.social · 01/09/2026

Another “must-watch” on AI and the impact on developer’s minds. youtu.be/iPUn1Fnfn0k?...

youtu.be

The True Cost of AI Coding

YouTube video by Syntax

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Alejandro Duarte @alejandro-du.bsky.social · 31/08/2026

The TIOBE index for #Python shows it stable from 2004 to 2018 when it started to climb like crazy through the AI/ML boom. Then it hit an all-time record high in mid 2025. However, after that, it has been declining steadily. Python devs, what are your thoughts on this?

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Alejandro Duarte @alejandro-du.bsky.social · 28/08/2026

On a serious note, now that I tasted it myself, I see why #PyTorch is so popular. The code is so easy to understand 👏

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Alejandro Duarte @alejandro-du.bsky.social · 28/08/2026

I could have Googled/ChatGPTed it but there's nothing like seeing it in action. So, as a software developer who can write code, I obviously asked Claude to write a short #PyTorch program to test it 🧵👇

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Alejandro Duarte @alejandro-du.bsky.social · 28/08/2026

I got curious about how many TFLOPS my macbook's M4 integrated GPU would run vs CPU-only 🧵👇 #PyTorch #Python

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Alejandro Duarte @alejandro-du.bsky.social · 27/08/2026

TIOBE measures developer interest, not the amount of #Java running in production. Java remains strong in enterprise software, backend systems, and Android's ecosystem. However, is hard to ignore the trend. Java devs, what are your thoughts?

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Alejandro Duarte @alejandro-du.bsky.social · 27/08/2026

"Searches for “developer relations” are at all time highs!" 👉https://dx.tips/devrel-is-back

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Alejandro Duarte @alejandro-du.bsky.social · 27/08/2026

I tried some spec-driven development (SDD) frameworks/tools/methodologies for AI-assisted software development with coding agents. Here are some thoughts: programmingbrain.com/2025/07/how-...

programmingbrain.com

Using AI to modernize a Java project

How I used AI coding agents to modernize a Java library.

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Alejandro Duarte @alejandro-du.bsky.social · 20/08/2026

If you need a good European alternative to OpenRouter, check cortecs.ai

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Alejandro Duarte @alejandro-du.bsky.social · 05/08/2026

Wow. This book turns five today 🎂 www.amazon.com/dp/1484271785

Alejandro Duarte, author of "Practical Vaadin" published in 2021 by Apress (Springer Nature).

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Alejandro Duarte @alejandro-du.bsky.social · 29/07/2026

🤩 Chapter 9 of my book "MariaDB for Developers" is ready. This chapter will give software engineers knowledge and tools to go to production with confidence. 👉 mariadbfordevelopers.com Also, the book title is going to change. I'll share an update later. #Databases #SQL #Developers #DevRel

Chapter 9 of the book "SELECT to Ship: MariaDB for Application Developers" by Alejandro Duarte.

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Alejandro Duarte @alejandro-du.bsky.social · 22/07/2026

I'm now close to finishing Chapter 9 and there is also some work completed (from months ago) for Chapter 10 which is the final chapter. So I'm starting to see the light! If you want to learn more about the book, see mariadbfordevelopers.com. #technicalwriting #book #author #devrel

mariadbfordevelopers.com

MariaDB for Developers

Learn and master MariaDB with this comprehensive, easy-to-follow guide, tailored to software developers. Learn everything you need to build data-centric apps.

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Alejandro Duarte @alejandro-du.bsky.social · 22/07/2026

A chapter that would take me +3 months to write while working full-time, now takes me 3-5 focused days.

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Alejandro Duarte @alejandro-du.bsky.social · 22/07/2026

Now I'm working 8 hours a day on it, and I can see a huge increase in productivity. Not only because of the time available for writing but because I removed most of the context switching between my day job and the book.

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Alejandro Duarte @alejandro-du.bsky.social · 22/07/2026

So, that friendly question made me realize that I started writing the book more than two years ago while working full-time as a Developer Relations Engineer in parallel.

mariadbfordevelopers.com

MariaDB for Developers

Learn and master MariaDB with this comprehensive, easy-to-follow guide, tailored to software developers. Learn everything you need to build data-centric apps.

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Alejandro Duarte @alejandro-du.bsky.social · 22/07/2026

I do use LLMs to help fact-check claims, suggest diagrams (I do not use AI-generated images), assist with early technical reviews, post-editing, and proofreading. But the actual writing is mine.

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Alejandro Duarte @alejandro-du.bsky.social · 22/07/2026

I was asked today "why is your book not finished yet?" It was a friendly question. Well, this picture partially tells why: I'm writing the text "by hand".

A photo of a word processor showing the work in progress of writing the book MariaDB for Developers by Alejandro Duarte.

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Alejandro Duarte @alejandro-du.bsky.social · 21/07/2026

📘 Chapter 8 is ready! This took long to write. Months. But I'm confident it explains what developers need to know about transactions to use persistence frameworks like #Hibernate, #SQLAlchemy, #Sequelize, #MyBatis, and others more confidently. 👉 mariadbfordevelopers.com

Chapter 8 (Transaction Management and Concurrency) of MariaDB for Developers by Alejandro Duarte.

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Alejandro Duarte @alejandro-du.bsky.social · 21/07/2026

#Kubernetes simulator in the browser by @ngrok.com. It supports namespaces, pods, events, ReplicaSets. webernetes-demo.ngrok.app

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Alejandro Duarte @alejandro-du.bsky.social · 21/07/2026

El capítulo 8 se enfoca en transacciones y rutinas. Desde BEGIN/COMMIT/ROLLBACK, phenomena, isolations levels, locks, deadlocks, stored functions, stored procedures, triggers y eventos programados. El capítulo 10 trata sobre producción incluyendo replicación: mariadbfordevelopers.com

mariadbfordevelopers.com

MariaDB for Developers

Learn and master MariaDB with this comprehensive, easy-to-follow guide, tailored to software developers. Learn everything you need to build data-centric apps.

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Alejandro Duarte @alejandro-du.bsky.social · 20/07/2026

From their website: "Every solution must pass both behavioral tests and React Doctor, our open-source, deterministic verifier for React code. Its 400+ rules scan the agent's code for broken effects, unnecessary renders, accessibility problems, and maintainability issues."

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Alejandro Duarte @alejandro-du.bsky.social · 20/07/2026

Interesting benchmark for coding #agents on #React work: www.reactbench.com

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Alejandro Duarte @alejandro-du.bsky.social · 19/07/2026

A tiny Orange Pi (Raspberry Pi alternative) cluster running Valkey (Redis-compatible #opensource database) deployed on K3s. Failover works flawlessly. This is just for fun and learning, not a production environment by any means. www.youtube.com/shorts/qUapw...

youtube.com

🤩 Kubernetes cluster running ValKey #redish #programmer #database #programming

YouTube video by Programming Brain

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Alejandro Duarte @alejandro-du.bsky.social · 19/07/2026

#DeepSeek is changing their pricing strategy. See the peak hours (x2 pricing) in your local time: 1:00 AM UTC sharetime.zone/UTC/0100 to 4:00 AM UTC sharetime.zone/UTC/0400 And: 6:00 AM UTC sharetime.zone/UTC/0600 to 10:00 AM UTC sharetime.zone/UTC/1000

DeepSeek is changing their pricing strategy (announcement)

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Alejandro Duarte @alejandro-du.bsky.social · 17/07/2026

🥇🥈🥉Top 100 Programming Languages by social mentions. www.libhunt.com/index They monitor everything that's posted on Reddit, HackerNews & Dev.to. #Python #TypeScript #Rust #GoLang #JavaScript

Programming language ranking by number of social media posts

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Alejandro Duarte @alejandro-du.bsky.social · 14/07/2026

😊 A small milestone for my #YouTube channel www.youtube.com/programmingb...

New achievement notification for the ProgrammingBrain YouTube channel.

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Alejandro Duarte @alejandro-du.bsky.social · 10/07/2026

🙋‍♂️ If you are building a #DevRel team, I'm looking for my next challenge :) Open to Developer Advocate / Developer Relations Engineer positions. Coding since the mid-90s. 20 Years of professional experience in software development. 10 years in DevRel. Send me a message :)

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Alejandro Duarte @alejandro-du.bsky.social · 07/07/2026

🤝 Also, I'm looking for my next gig! I'm open to Developer Advocate and Developer Relations Engineer roles. I bring 20 years of professional experience in software development, including 10 years in DevRel. Send me a message :) #DevRel #DeveloperRelations #DeveloperAdvocate

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Alejandro Duarte @alejandro-du.bsky.social · 07/07/2026

🎬 If you create talking-head videos with almost zero editing, you probably know how easy it is to forget that your camera is covering part of the screen. I've caught myself showing things right behind the camera overlay more than once. #DevRel #DeveloperRelations

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Alejandro Duarte @alejandro-du.bsky.social · 07/04/2026

🤓Wrote a short recap of some internal AI demos we ran at @mariadb.bsky.social recently. Mostly #SQL + #Vector search + #RAG patterns. Repo links are in the post if you want to poke around the code: 👉https://mariadb.com/resources/blog/we-ran-an-internal-ai-demo-competition-here-are-the-winners/

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Alejandro Duarte @alejandro-du.bsky.social · 02/04/2026

🚀 New release: #MariaDB Connector/J 3.5.8 🔧 Update your pom.xml and get performance improvements and bug fixes. mariadb.com/docs/release...

mariadb.com

Connector/J 3.5.8 Release Notes | Release Notes | MariaDB Documentation

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Reposted by Alejandro Duarte

MariaDB @mariadb.bsky.social · 31/03/2026

Our acquisition of GridGain is complete! The move marks the launch of #MariaDB’s AI-Ready Operating Platform, a unified system designed to handle the extreme-velocity data requirements of autonomous AI agents. Learn more: mariadb.com/newsroom/pre...

mariadb.com

MariaDB Completes GridGain Acquisition to Power the Next Generation of Agentic AI | MariaDB

Acquisition creates industry’s first AI-Ready Operating Platform, unifying transactions, analytics and in-memory speed to eliminate infrastructure fragmentation.

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Alejandro Duarte @alejandro-du.bsky.social · 26/03/2026

" #MariaDB distance calculations already use inner product internally, there is no need to resort to hacks. Unfortunately, we keep getting these requests and even code contributions regularly." Full story 👉 mariadb.org/mariadb-vect... by Sergei Golubchik

mariadb.org

MariaDB Vector: How it works. Part II - MariaDB.org

In the first post of this series, I’ve described how the vector index is stored in a table and how it achieves full transactional behavior and ACID properties compatible with the storage engine of the...

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Alejandro Duarte @alejandro-du.bsky.social · 26/03/2026

"Inner product is not a proper distance [function] (as it does not have a minimum when a vector is compared to itself), and it is only used as a hack [...] in those #databases" 🧵

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Alejandro Duarte @alejandro-du.bsky.social · 26/03/2026

🤔 Here's why MariaDB doesn't offer an "inner product" distance function 🧵

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Alejandro Duarte @alejandro-du.bsky.social · 25/03/2026

🚀 Open WebUI to support #MariaDB Vector as a vector DB backend: github.com/open-webui/o...

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Alejandro Duarte @alejandro-du.bsky.social · 04/03/2026

🤓 The truck (or bus) factor measures the number of key people who would need to be lost (for example leave the team) before a software project is seriously compromised or unable to continue. This paper from 2016 proposes a method for estimating this factor. arxiv.org/pdf/1604.06766

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