Johan Jacobs

Co-founder and CTO at @20fiftyco
Tech | Cloud | AWS | F1 | Amateur Astronomy

Cover image credit @Werner

[NRF|SAAO @SAAO]

🌕 A “Blood Moon” for Cape Town!

A deep partial lunar eclipse may turn much of the Moon red before dawn on Friday, 28 August.

04:33 – Partial begins
06:12 – Maximum
07:12 – Moonset while still eclipsed

Details: https://t.co/WQQXK3jO0g

📷 © https://t.co/87ReVEuB0o

[Johan Jacobs @F2006]

@JohannBiermann1 13 Minutes Presents: https://t.co/IZ5hTXoUrL
F1 Beyond the Grid: https://t.co/usE35gqvYJ
F1 Nation: https://t.co/zJvGwEqtYW
Essential F1: https://t.co/lzB3Z9fBJv

[NRF/SARAO @SKA_Africa]

MeerKAT discovers record-breaking cosmic laser halfway across the universe

University of Pretoria-led team opens a new frontier using the power of MeerKAT and strong gravitational lensing

Astronomers using the MeerKAT radio telescope in South Africa have discovered the most distant hydroxyl megamaser ever detected. It is located in a violently merging galaxy more than 8 billion light-years away, opening a new radio astronomy frontier.

Read full article
https://t.co/Y6dP50qU2w

#meerkat #radioastronomy #science #radiotelescope

[NRF|SAAO @SAAO]

🌌 What’s Up – June 2025 🌕

Moon phases, planet pairings, & the winter solstice (21 Jun)!

Spot Venus, Mars, & the Milky Way’s core in Sagittarius 🌠

Details 👉 https://t.co/zoHVVvftU6

#WhatsUp #NRFSAAO #Stargazing

[Verry 💙 @verry_codes]

In case someone struggles for hours (like me) to build a #flutter app using firebase on ios 18.1 with no error at all and trying every little trick you know without success - just try to run:

"dart pub global activate flutterfire_cli"

And then enjoy the time you did not waste on finding the solution 👍!

https://t.co/Lb9VvTNvb6

#flutterdev

[Johan Jacobs @F2006]

@alexprocter101 @WoganMay Gemini can do that, not sure what it will do with 7000+ unread mails though. In Gmail web open Gemini at the top right and ask it to summarize unread emails.

[ARCHIVED - NASA Moon @NASAMoon]

In celebration of International #ObserveTheMoon Night, tune in to our broadcast on Sept. 14! You'll find lunar science updates, preparations for Artemis, interviews with NASA experts, solar eclipse highlights & a glimpse of participation around the world. https://t.co/sL2VIxuLG4

[Johan Jacobs @F2006]

@nolegirl Not 100% related to your question, but could have interesting insights: https://t.co/u4q5EjcRLT

[Johan Jacobs @F2006]

@RedBullZA Will the showrun come to Cape Town again?

[Johan Jacobs @F2006]

@LuckyGordy I use Authy https://t.co/K51XuaNi5D

[Tamaryn @HellaTamaryn]

Hi y’all. I am a freelance copywriter with immediate availability. Please HMU to outsource:
👏 SEO website copy
👏 Blog articles/newsletters
👏 Social media content
👏 Everythang else
Tamarynshepherd (at) gmail (dot) com

[Geordin Hill-Lewis @geordinhl]

Hey Cape Town, did you know that Amazon Web Services (@awscloud) has built their first skills centre outside of the USA right here in Cape Town? 🇿🇦

That means more tech talent and more tech JOBS in Cape Town! 🧑‍💻📡

They're offering FREE tech classes to get you started 👏✅

Sign up here: https://t.co/8okRd3WndH

[Johan Jacobs @F2006]

@davidperel @CrazyStiggy Was also looking at Temu the other day and they seem to have a lot of options that does not break the bank. Think this is the one above: https://t.co/jBW6usp40d

[Johan Jacobs @F2006]

@verry_codes The zxing libary is the general goto for QR and barcodes. I have not used it in Flutter yet, but it seems like this one supports Windows: https://t.co/gEem9XHqMw

[Johan Jacobs @F2006]

@LuckyGordy Stellenbosch

[Volkswagen Motorsport ZA @VWMotorsport_za]

The VW Rookie Cup is a series created for 14 - 16 y/o, who have a valid MSA license and interested in transitioning to the next level of Motorsport.
Email us on [email protected] for more info, with the subject line "Ref: VW Rookie Cup".
#GoProZa
@VolkswagenSA @Dunloptyres_SA

[Johan Jacobs @F2006]

@verry_codes @nilsreichardt Sounds like an infinite loop. I would start with adding the --verbose flag when running or building and see if there are any clues in there.

[NRF|SAAO @SAAO]

"🌟🔭✨ January's celestial calendar is packed! Don't miss the cosmic show—watch Jupiter near Aries, Saturn in Aquarius, and Venus, Mars, and Mercury in the morning sky. Keep an eye out for the alpha-Centaurids meteor shower on its way! #Astronomy #Stargazing"

[ISS Above @ISSAboveYou]

Good morning people of Cape Town, South Africa 🇿🇦. This is you from 428km above - captured live from the @space_station at 9:50 a.m. SAST today.
@CityofCT @lovecapetown @SABCNews
Jan 8, 2024

[Johan Jacobs @F2006]

@hermux I think a trial period is required before any subscription can can be activated: https://t.co/oOG9oMKmF6