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Manu

@manu-j.com

Creator: https://zestui.com - UI Kit for Ruby on Rails using Tailwind & Phlex Engineering Lead @ Lodgistics

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06.08.2023
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Latest posts by Manu @manu-j.com

"They're trying to convince people they can't do the things they've been doing easily for years - to write emails, to write a presentation. Your daughter wants you to make up a bedtime story about puppies - to write that for you." We will get to the point, she says with a grim laugh, "that you will essentially become just a skin bag of organs and bones, nothing else. You won't know anything and you will be told repeatedly that you can't do it, which is the opposite of what life has to offer. Capitulating all kinds of decisions like where to go on vacation, what to wear today, who to date, what to eat.
People are already doing this. You won't have to process grief, because you'll have uploaded photos and voice messages from your mother who just died, and then she can talk to you via Al video call every day. One of the ways it's going to destroy humans, long before there's a nuclear disaster, is going to be the emotional hollowing-out of people."

"They're trying to convince people they can't do the things they've been doing easily for years - to write emails, to write a presentation. Your daughter wants you to make up a bedtime story about puppies - to write that for you." We will get to the point, she says with a grim laugh, "that you will essentially become just a skin bag of organs and bones, nothing else. You won't know anything and you will be told repeatedly that you can't do it, which is the opposite of what life has to offer. Capitulating all kinds of decisions like where to go on vacation, what to wear today, who to date, what to eat. People are already doing this. You won't have to process grief, because you'll have uploaded photos and voice messages from your mother who just died, and then she can talk to you via Al video call every day. One of the ways it's going to destroy humans, long before there's a nuclear disaster, is going to be the emotional hollowing-out of people."

This. Is. Why. I. Paint.

04.10.2025 04:52 πŸ‘ 1390 πŸ” 582 πŸ’¬ 13 πŸ“Œ 58

Had a great time presenting Multitenancy Patterns at PGConf NYC 2025 @pgconfnyc.bsky.social

Slides: speakerdeck.com/andyatkinson...

SQL demos/GitHub Repo: github.com/andyatkinson...

29.09.2025 18:39 πŸ‘ 12 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

Andres Freund sharing some very exciting performance gains being worked on with Async IO infrastructure now in place in 18.

Future Postgres versions will benefit from this for index scans, backwards scans, bgwriter, checkpointer, copy, vacuum and much more. @pgconfnyc.bsky.social

30.09.2025 16:03 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Best of luck!

Your talk on Ruby GC is one of the best conference talks I have watched.

21.09.2025 04:31 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Herb with Marco Roth - Remote Ruby In this episode of Remote Ruby, Andrew and Chris chat with guest, Marco Roth, to discuss the challenges of working with ERB templates in Ruby on Rails, and Marco's ongoing project, Herb. They dive int...

Thanks to @excid3.com and @andrewm.codes for having me!

Listen here: www.remoteruby.com/2260490/epis...

10.08.2025 17:42 πŸ‘ 5 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Sounds good to me. The left and right sides being very different is distracting.

09.08.2025 04:46 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Best of luck!

09.08.2025 04:32 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
What’s wrong with the JSON gem API? As I mentioned at the start of my Optimizing Ruby’s JSON series of posts, performance isn’t why I candidated to be the new gem’s maintainer.

Beyond performance work, I deprecated a bunch of APis in the JSON gem, and added others, so I figured it would be a good occasion to talk about API design: byroot.github.io/ruby/json/20...

02.08.2025 16:19 πŸ‘ 26 πŸ” 8 πŸ’¬ 2 πŸ“Œ 0

Thank you!

02.08.2025 08:16 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Looks great. Can you provide some details on how you built this?

01.08.2025 05:35 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Honored to be presenting at PGConf NYC in a couple of months! Hope to see you there. #postgresql

bsky.app/profile/pgco...

26.07.2025 21:47 πŸ‘ 10 πŸ” 2 πŸ’¬ 2 πŸ“Œ 0
RailsConf 2025 10 Costly Database Performance Mistakes (and How to Fix Them) by Andrew Atkinson
RailsConf 2025 10 Costly Database Performance Mistakes (and How to Fix Them) by Andrew Atkinson YouTube video by Ruby Central

RailsConf talks are live. Would love your feedback!

Presentation page with more info and all the links: andyatkinson.com/10-mistakes

RailsConf 2025 10 Costly Database Performance Mistakes (and How to Fix Them) by Andrew Atkinson
www.youtube.com/watch?v=MJ8R...

25.07.2025 18:00 πŸ‘ 8 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0

It was great chatting with you JP!

25.07.2025 16:29 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Preview
DuckLake: SQL as a Lakehouse Format DuckLake simplifies lakehouses by using a standard SQL database for all metadata, instead of complex file-based systems, while still storing data in open formats like Parquet. This makes it more relia...

Ducklake, simplified lakehouses by @duckdb.org

Holy moly, it's amazing when things "just make sense."

duckdb.org/2025/05/27/d...

27.05.2025 14:07 πŸ‘ 5 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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This blog is SO good at pointing out what should have been obvious about AI for coding (Copilot and others)

These tools are good for re-creating whatever they’ve been trained on.

They are not what will create the next, better generation of frameworks, libraries, technologies.

25.05.2025 03:43 πŸ‘ 332 πŸ” 65 πŸ’¬ 15 πŸ“Œ 11
Home High Performance Postgres and Web App Consulting

If your team needs expert help improving performance, scalability, and reliability for your Ruby on Rails and PostgreSQL application, Refined Pages, LLC can help.

We'll systematically refactor Active Record ORM queries to optimize PostgreSQL performance.

Let’s chat:
refinedpages.com

23.04.2025 17:11 πŸ‘ 14 πŸ” 4 πŸ’¬ 1 πŸ“Œ 0
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Improving the initial UX of the Ruby extension for @zed.dev by using the newly introduced `Process` API. Isolated and automatic installation of LSP gems but we check the project gemset first. πŸŽ‰ github.com/zed-extensio...

12.04.2025 06:26 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

The AWS option is using local storage for only temporary data but planetscale is using it for storage of all data. That's not really comparable.

06.04.2025 07:50 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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As revealed at @tropicalonrails.bsky.social today, we are introducing an iOS app for @rubyevents.org to push and support the recent uptick in Ruby Events around the world.

#tropicalonrails #tropicalonrails2025

03.04.2025 17:37 πŸ‘ 27 πŸ” 8 πŸ’¬ 1 πŸ“Œ 0

If you've ever wondered how @rubycentral.org conference talks are decided, Noel wrote up a great thread about the process.

31.03.2025 19:39 πŸ‘ 8 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

You tried both?

25.03.2025 13:58 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

if you're on Mac try orbstack instead of Doctor desktop. It can be significantly faster

25.03.2025 08:03 πŸ‘ 4 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0

Congratulations!

24.03.2025 15:29 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

"start for free" or equivalent CTA

18.03.2025 17:18 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

> It's a thing you mostly get though practice I'd say.

I agree. I tell that to
people about ops. A lot of it is based on intuition/pattern matching which comes from practice.

I wasn't looking for a guide but about sharing more like the memory leak post.

09.03.2025 09:54 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

CI topic is great. What I would also like to see

1. Investigating performance/memory issues using modern tools like Vernier

2. Not sure if this is up your alley but telemetry in production.

09.03.2025 08:07 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I’m still unemployed and looking for a new full time position doing Ruby, Rails, TypeScript, CSS.

If you know people who are hiring, I’d really appreciate an introduction. πŸ™

07.03.2025 12:53 πŸ‘ 46 πŸ” 41 πŸ’¬ 3 πŸ“Œ 1

Done with veto? Do you have a source?

07.03.2025 13:47 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

OMG. This is too cute 😊

06.03.2025 15:32 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Cardboard? I thought 3D printers used plastic resin?

06.03.2025 15:27 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0