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Fernando

Ruby, Rails, Crystal, Docker, Mobile development and lots of random cloud computing plumbing.

Location Costa Rica Joined Joined on  Personal website https://fdo.cr github website twitter website

Education

UCR & UPC BarcelonaTech

Gemma 4 Challenge Completion
Nine Year Club
Eight Year Club
Top 7
2
Seven Year Club
Writing Debut
500 Thumbs Up Milestone
100 Thumbs Up Milestone
Six Year Club
2 Week Community Wellness Streak
4 Week Writing Streak
Tag Moderator 2022
Tracking my cardio with OpenClaw and Gemma 4

Gemma 4 Challenge: Write about Gemma 4 Submission

Tracking my cardio with OpenClaw and Gemma 4

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Comments 2
3 min read

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Clawshier OpenClaw Skill

Honest 60% success rate for receipt extraction

Clawshier OpenClaw Skill

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3 min read
Selfhost Timetagger on a Raspberry Pi

Selfhost Timetagger on a Raspberry Pi

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5 min read
Keeping up with my cat's đź’© using a RaspberryPi

Keeping up with my cat's đź’© using a RaspberryPi

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3 min read
Background jobs for Kemal server in Crystal lang

Background jobs for Kemal server in Crystal lang

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5 min read
Database for Kemal server in Crystal lang

Database for Kemal server in Crystal lang

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3 min read
Algorithms and standard library modules in my Battlesnake

Algorithms and standard library modules in my Battlesnake

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4 min read
Documenting a Crystal open source project

Documenting a Crystal open source project

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2 min read
Deploy a Crystal app with Docker and Opentelemetry

Deploy a Crystal app with Docker and Opentelemetry

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2 min read
Learning Crystal with Battlesnake

Learning Crystal with Battlesnake

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Using Chart.js plugins with webpack

Using Chart.js plugins with webpack

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Integrating the Passport with the Forem Ecosystem

Integrating the Passport with the Forem Ecosystem

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Forem’s Approach to Decentralized Authentication and Authorization

Forem’s Approach to Decentralized Authentication and Authorization

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4 min read
Updates to TLS in the foreseeable future

Updates to TLS in the foreseeable future

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1 min read
Everybody hates CSRF

Everybody hates CSRF

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Do you pay for any indie software?

Do you pay for any indie software?

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1 min read
libusb backend for adb on macOS

libusb backend for adb on macOS

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2 min read
I support women devs

I support women devs

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Browsing a localhost server from any device in your LAN

Browsing a localhost server from any device in your LAN

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I just joined the DEV team!

I just joined the DEV team!

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1 min read
Elastic Beanstalk Apps using Docker Containers

Elastic Beanstalk Apps using Docker Containers

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6 min read
Customizing Jekyll themes

Customizing Jekyll themes

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Reminders

Reminders

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1 min read
PostgreSQL backups to S3 with retention limits

PostgreSQL backups to S3 with retention limits

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4 min read
Headless Chrome - Dual mode tests for Ruby on Rails

Headless Chrome - Dual mode tests for Ruby on Rails

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2 min read
Martilla - A simple backup tool for simple everyday use

Martilla - A simple backup tool for simple everyday use

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Kubernetes integration with Rake tasks

Kubernetes integration with Rake tasks

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Tying Let's Encrypt and Docker Swarm together

Tying Let's Encrypt and Docker Swarm together

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9 min read
Learning Rails in 2017

Learning Rails in 2017

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7 min read
Hi, I'm Fernando Valverde

Hi, I'm Fernando Valverde

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