Luis Guillermo
@luis.rodriguezrullan.com
I am a Denver-based software engineer (Java and GCP). I use old Commodore 64 and Atari ST computers; practice aikido and kenjutsu; am a JD; and like pineapple on pizza. 🇺🇸🇵🇷
Hablo español.
Parlo una mica de català.
Hablo español.
Parlo una mica de català.
Reposted by Luis Guillermo
Picard management tip: Show crew members how impressed you are with their accomplishments. Validation matters.
December 19, 2025 at 8:49 PM
Picard management tip: Show crew members how impressed you are with their accomplishments. Validation matters.
Reposted by Luis Guillermo
One of the biggest moments of my career:
USCIS canceled my client’s naturalization oath ceremony. We filed a lawsuit, went to trial, and the judge swore him in right there in the courtroom!
USCIS canceled my client’s naturalization oath ceremony. We filed a lawsuit, went to trial, and the judge swore him in right there in the courtroom!
December 16, 2025 at 3:21 PM
One of the biggest moments of my career:
USCIS canceled my client’s naturalization oath ceremony. We filed a lawsuit, went to trial, and the judge swore him in right there in the courtroom!
USCIS canceled my client’s naturalization oath ceremony. We filed a lawsuit, went to trial, and the judge swore him in right there in the courtroom!
Reposted by Luis Guillermo
Picard perspective tip: Neither the sun, the moon, the stars, nor any asteroids revolve around you. You are a dust mote with ideas.
December 16, 2025 at 5:22 PM
Picard perspective tip: Neither the sun, the moon, the stars, nor any asteroids revolve around you. You are a dust mote with ideas.
Reposted by Luis Guillermo
Interesting post: The Bet On Juniors Just Got Better open.substack.com/pub/tidyfirs...
by @kentbeck.com #ai
by @kentbeck.com #ai
The Bet On Juniors Just Got Better
Why genies can make hiring juniors more profitable, & what you need to change to get there
open.substack.com
December 12, 2025 at 8:58 PM
Interesting post: The Bet On Juniors Just Got Better open.substack.com/pub/tidyfirs...
by @kentbeck.com #ai
by @kentbeck.com #ai
Reposted by Luis Guillermo
Helpful and concise Brennan Center preview for today’s big case on the unitary executive oral arguments (against the historical claim of an unchecked presidential removal power)
Annotated Guide to Historical Amicus Briefs in the Slaughter and Cook Removal Cases
www.brennancenter.org/our-work/res...
Annotated Guide to Historical Amicus Briefs in the Slaughter and Cook Removal Cases
www.brennancenter.org/our-work/res...
Annotated Guide to Historical Amicus Briefs in the Slaughter and Cook Removal Cases
As the Supreme Court prepares to hear arguments in two cases challenging the removal of independent agency heads, several historians and legal scholars have filed friend-of-the-court briefs focused on...
www.brennancenter.org
December 8, 2025 at 1:53 PM
Helpful and concise Brennan Center preview for today’s big case on the unitary executive oral arguments (against the historical claim of an unchecked presidential removal power)
Annotated Guide to Historical Amicus Briefs in the Slaughter and Cook Removal Cases
www.brennancenter.org/our-work/res...
Annotated Guide to Historical Amicus Briefs in the Slaughter and Cook Removal Cases
www.brennancenter.org/our-work/res...
Reposted by Luis Guillermo
Blog post I wrote about today's Slaughter case, which also links to the brief I filed @ SCOTUS publicknowledge.org/no-one-wins-...
No One Wins Under the Unitary Executive Theory
The Trump administration's use of the "unitary executive theory" could reshape the executive branch as we know it.
publicknowledge.org
December 8, 2025 at 3:15 PM
Blog post I wrote about today's Slaughter case, which also links to the brief I filed @ SCOTUS publicknowledge.org/no-one-wins-...
Reposted by Luis Guillermo
Picard travel tip: Bring a book.
November 20, 2025 at 9:40 PM
Picard travel tip: Bring a book.
Reposted by Luis Guillermo
Spring Boot 4.0.0 is out spring.io/blog/2025/11... Congrats team!
Spring Boot 4.0.0 available now
Level up your Java code and explore what Spring can do for you.
spring.io
November 20, 2025 at 9:40 PM
Spring Boot 4.0.0 is out spring.io/blog/2025/11... Congrats team!
Reposted by Luis Guillermo
Picard management tip: If you're on red alert every day, then red alert means nothing.
November 19, 2025 at 8:31 PM
Picard management tip: If you're on red alert every day, then red alert means nothing.
Reposted by Luis Guillermo
If you have a regional accent, please never try to get rid of it. Accents tell stories.
November 7, 2025 at 8:30 PM
If you have a regional accent, please never try to get rid of it. Accents tell stories.
Reposted by Luis Guillermo
Where users face threats to their privacy and security online, EFF’s technology tools are there to defend them. www.eff.org/tools
Tools from EFF's Tech Team
EFF’s team of technologists and computer scientists engineers solutions to the problems of sneaky tracking, inconsistent encryption, and more. Where users face threats to their privacy and security
www.eff.org
October 30, 2025 at 8:03 PM
Where users face threats to their privacy and security online, EFF’s technology tools are there to defend them. www.eff.org/tools
Reposted by Luis Guillermo
Picard management tip: Refusing to decide is the worst decision you can make.
October 24, 2025 at 6:49 PM
Picard management tip: Refusing to decide is the worst decision you can make.
Reposted by Luis Guillermo
Picard management tip: You're not supposed to come up with all the ideas yourself. Ask for suggestions.
October 13, 2025 at 9:13 PM
Picard management tip: You're not supposed to come up with all the ideas yourself. Ask for suggestions.
Reposted by Luis Guillermo
Reposted by Luis Guillermo
Today is the first day of the Supreme Court's 2025-26 term. You can see all of the cases for which the court has (so far) granted oral argument here.
www.scotusblog.com
October 6, 2025 at 1:02 PM
Today is the first day of the Supreme Court's 2025-26 term. You can see all of the cases for which the court has (so far) granted oral argument here.
Reposted by Luis Guillermo
Sometimes I think about how from 1935-1975ish, Bell Labs produced an insane amount of revolutionary science and technology, including 11 Nobel Prizes, the transistor, UNIX, C, the laser, the solar cell, information theory, etc. The secret? Provide scientists with ample, steady, no-strings funding.
sites.stat.columbia.edu
October 4, 2025 at 5:35 PM
Sometimes I think about how from 1935-1975ish, Bell Labs produced an insane amount of revolutionary science and technology, including 11 Nobel Prizes, the transistor, UNIX, C, the laser, the solar cell, information theory, etc. The secret? Provide scientists with ample, steady, no-strings funding.
Reposted by Luis Guillermo
Good morning. For anyone that needs to hear this:
Boobytrap spelled backwards is partyboob.
Boobytrap spelled backwards is partyboob.
October 4, 2025 at 5:37 PM
Good morning. For anyone that needs to hear this:
Boobytrap spelled backwards is partyboob.
Boobytrap spelled backwards is partyboob.
Reposted by Luis Guillermo
Picard management tip: Even without game-changing results, experimentation is time well spent.
September 26, 2025 at 8:49 PM
Picard management tip: Even without game-changing results, experimentation is time well spent.
Reposted by Luis Guillermo
Picard management tip: If you've recently turned into a monster, go take a vacation.
September 24, 2025 at 6:31 PM
Picard management tip: If you've recently turned into a monster, go take a vacation.
Reposted by Luis Guillermo
Reposted by Luis Guillermo
now is the autumnal equinox of our discontent
September 22, 2025 at 2:03 PM
now is the autumnal equinox of our discontent
🎉 I just finished Day 16 of the #100DaysOfSwiftUI at www.hackingwithswift.com/100/swiftui/16 via @twostraws.bsky.social
Day 16 – 100 Days of SwiftUI
Follow the 100 Days of SwiftUI and learn to build apps for free.
www.hackingwithswift.com
September 21, 2025 at 2:59 AM
🎉 I just finished Day 16 of the #100DaysOfSwiftUI at www.hackingwithswift.com/100/swiftui/16 via @twostraws.bsky.social
🎉 I just finished Day 15 of the #100DaysOfSwiftUI at www.hackingwithswift.com/100/swiftui/15 via @twostraws.bsky.social
Day 15 – 100 Days of SwiftUI
Follow the 100 Days of SwiftUI and learn to build apps for free.
www.hackingwithswift.com
September 14, 2025 at 11:07 PM
🎉 I just finished Day 15 of the #100DaysOfSwiftUI at www.hackingwithswift.com/100/swiftui/15 via @twostraws.bsky.social
Reposted by Luis Guillermo
"The unsettling feeling that your device is spying on you is real — but the culprit isn't a secret microphone. It's the data broker industry," EFF’s @evacide.bsky.social tells @CNET.com. www.cnet.com/tech/servic...
No, Your iPhone Isn't Listening to You. Here's What's Really Happening
There are lots of reasons an ad pops up on your phone, but none involve a microphone listening.
www.cnet.com
September 4, 2025 at 5:04 PM
"The unsettling feeling that your device is spying on you is real — but the culprit isn't a secret microphone. It's the data broker industry," EFF’s @evacide.bsky.social tells @CNET.com. www.cnet.com/tech/servic...
Reposted by Luis Guillermo
Microsoft’s 6502 BASIC is now Open Source opensource.microsoft.com/blog/2025/09...
Microsoft Releases Historic 6502 BASIC - Microsoft Open Source Blog
Explore the original 6502 BASIC—now open source! Dive into retro code, history, and emulators. Fork it, run it, and relive computing's roots.
opensource.microsoft.com
September 3, 2025 at 5:09 PM
Microsoft’s 6502 BASIC is now Open Source opensource.microsoft.com/blog/2025/09...