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Obie Fernandez

@obiefernandez.bsky.social

the one and only

148 Followers  |  22 Following  |  15 Posts  |  Joined: 22.01.2024
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Posts by Obie Fernandez (@obiefernandez.bsky.social)

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Friends, this Wednesday, on May 21, @obiefernandez.bsky.social, author of the Rails Way and Patterns of Application Development Using AI, Principal Engineer at Shopify will speak at the #SFRuby meetup hosted by Cisco Meraki, presenting his new framework for Structured AI Workflows at Scale–Roast!

19.05.2025 17:38 β€” πŸ‘ 10    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0

Looking forward to some experiments with o3 this afternoon.

02.02.2025 16:28 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

@thescumfrog.bsky.social welcome Jesse, happy that you made the jump. agree that IG has become nothing but ads and nonsense

28.01.2025 17:34 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Ruby's predicate (?) and bang (!) methods make code speak for itself:

empty? β†’ returns boolean
sort! β†’ mutates, danger ahead

vs:

isEmpty() β†’ less expressive
sortInPlace() β†’ verbose

Language design choices like this make Ruby a joy to write.

24.01.2025 19:26 β€” πŸ‘ 24    πŸ” 4    πŸ’¬ 4    πŸ“Œ 0
Cover of Shantaram book

Cover of Shantaram book

I read a lot of books, always have. Shantaram by Gregory David Roberts is the best novel I’ve read in decades, possibly ever.

26.01.2025 13:38 β€” πŸ‘ 5    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

"Love is knowing you're right and pretending you're wrong because it just ain't worth it." @mattruby.bsky.social

Flip side is not wanting to do pretend anymore is a sure sign you're falling out of love with someone.

28.12.2024 20:38 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Announcing my first big gig of 2025: 3-hour journey set in Asheville, NC on February 28th!

Ticket link:https://posh.vip/e/cyberia-a-night-of-trance-and-progressive-presents-obie-fernandez

#trancedj #trancefamilync #trancefamily #trancemusic #trance #progressivehouse #progressivetrance #deeptrance

21.12.2024 21:27 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

I devote a chapter of my book Patterns of Application Develoment Using AI to this topic.

15.12.2024 16:01 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Today's huge OpenAI outage taught me an important lesson about Sidekiq queues. Just because jobs are handled at a low priority doesn't mean that they can't bring processing down to a crawl. Segregate critical but potentially laggy jobs into queues that run on _their own_ Sidekiq process.

12.12.2024 03:18 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Codebuff Codebuff is a tool for editing codebases via natural language instruction to Buffy, an expert AI programming assistant.

Codebuff is still my favorite AI pair programmer by a long shot (better than Codeium's Windsurf Cascade and Cursor's Composer). It rocks Ruby on Rails features, refactoring and Rspec tests!

Use this link to get 500 free credits per month in perpetuity codebuff.com/referrals/re...

24.11.2024 22:16 β€” πŸ‘ 5    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Totally, congrats!

21.11.2024 15:20 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Do I know any experienced full-stack engineers that love Next.JS, Ruby on Rails, _and_ Swift? I might have a job lead for you...

19.11.2024 18:01 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
V2 is now the default! | 750 Words Over the last couple days we took the huge step of making 750words.com point to the new version of the site that we’ve been slowly working on and improving over the last few years. The original versio...

Kudos to @buster.bsky.social and the 750words team for a beautiful rewrite of their journaling system. I'm kind of late to the v2 party but wanted to give them some love and publicity anyway. (I've been a customer for almost 15 years at this point!)

community.750words.com/c/blog/v2-is...

19.11.2024 15:27 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

About a week into being forced to re-learn React (this time with Typescript) so that I can integrate some Rails-based API code with a Next.JS front end. It's been painful and everything seems way overcomplicated compared to how beautiful and easy it could be done in full-stack Rails.

19.11.2024 15:23 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Patterns of Application Development Using AI: Fernandez, Obie: 9798346271130: Amazon.com: Books Patterns of Application Development Using AI [Fernandez, Obie] on Amazon.com. *FREE* shipping on qualifying offers. Patterns of Application Development Using AI

Losing interest in Twitter so will try to hang out here more. For starters, let me plug my new programming book now on Amazon

www.amazon.com/dp/B0DN9KK4X7

17.11.2024 14:52 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

First post. Seems like a good replacement for Twitter.

22.01.2024 15:07 β€” πŸ‘ 14    πŸ” 0    πŸ’¬ 3    πŸ“Œ 0