Saturday, November 30, 2024

Real time satellite tracking

LeoLabs Low Earth Orbit Visualizer

LeoLabs web
LeoLabs LinkedIn company profile
Bloomberg Business video - How LeoLabs Is Using New Tech to Target Space Junk [17:36]

Company overview

LeoLabs is the world’s leading mission partner for persistent Orbital Intelligence. We enable military space commands, civil government agencies, and commercial operators to confidently detect, track, characterize, and respond to threats in space. Our proliferated, multi-mission radar network, real-time orbital data catalog, and AI-powered analytics support secure, safe, and dynamic space operations. We are committed to delivering the living map of activity in space that safeguards our way of life on Earth. 

Services

  • LeoTrack - foundational satellite tracking service that enables automated, independent monitoring for fleets of any size.
  • LeoSafe - tailored collision avoidance service providing real-time conjunction alerts to ensure operational safety of flight.
  • LeoLaunch - on-console support service for locating and identifying newly launched payloads.
  • LeoRisk - comprehensive mission risk assessment service for intelligent business planning – serving insurers, investors, and owner-operators.

Visualizer

LeoLabs Low Earth Orbit Visualizer tracks payload (satellites), rocket bodies, debris and unknown things orbiting around Earth, in real time. Your IP address has to be in US in order to access it.


SatelliteMap.space

Link

Showing 'only' Starlink, OneWeb and GNSS (that they named GPS) satellites. 


OrbTrack.org

Link


Satvis.space

Link
GitHub

This one allows you to select several constellations for monitoring. You can also choose between 2D and 3D view, select playback speed, play backwards or forwards into the future.


Satellite Tracker 3D

Link

Awesome satellite tracker built by a single person as a side-project.


Saturday, November 9, 2024

Summer of 2024 swimming

For my personal record: summarizing this summer’s swimming spree, which started later than any previous year — July 1 — and finished November 1.
  • 49 swims × 2.5 km
  • 12 swims × 1 km
Total: 134.5 km — actually not a personal record. Hope to virtually visit Italy again next year.
 
PS: total 697 km since 2021.
 

 

Thursday, November 7, 2024

Quoting email body text

Occasionally, I need to quote text in an email that I originally received through another channel. For instance, imagine you have an online form submission that gets recorded in a spreadsheet, and you want to reply to the submission via email. In a case like this, you’d copy the text from the spreadsheet, paste it into your email client, and prepare your response. To make the reply look 'natural', you might want to quote the original text with the '>' character and perhaps wrap the lines at around 50 characters for readability. Here’s a Bash one-liner that accomplishes this:

cat noquotes.txt | fold -s -w 50 | sed 's/^/> /'

You're welcome!


How to remove credit card from LinkedIn

You can remove your credit cards at the following URL:
https://www.linkedin.com/manage/purchases-payments/payment-methods

Not sure if there is a link to that page from your LinkedIn profile or it's settings.

You're welcome!


Wednesday, October 30, 2024

Najpopularnija eCommerce platforma [2024]

Koju eCommerce platformu koristite?

Postavio sam isto pitanje na Facebook grupi "eCommerce Hrvatska" (53 glasa) i r/ecommerce subredditu (202 glasa).

Prema rezultatima ankete, dvije vodeće platforme su Shopify i WooCommerce, dok Wix nije toliko zastupljen. Suprotno tome, BuiltWith Wix stavlja na drugo mjesto - kako globalno, tako i za Hrvatsku (u ovom slučaju se gledaju samo .hr domene). U oba slučaja, prema BuiltWith-u, Wix drži 3% više tržišta od WooCommerce-a.

Zanimljivo je kako u Hrvatskoj Shopify i WooCommerce drže obrnuta mjesta u odnosu na globalni poredak. Kao glavne razloge preferiranja WooCommerce-a kod nas navode se:

  • neizbježna mjesečna naknada kod Shopify-a
  • manji broj developera upoznatih sa tom platformom
  • agresivno reklamiranje Shopify-a na razvijenim tržištima
Rezultati ankete

BuiltWith - distribucija eCommerce platformi na .hr domenama

BuiltWith - distribucija eCommerce platformi na cijelom internetu




Tuesday, October 22, 2024

Listing directories and their sizes on Windows

All credits go to superuser answer.

Get-ChildItem | Where-Object { $_.PSIsContainer } | ForEach-Object { $_.Name + ": " + "{0:N2}" -f ((Get-ChildItem $_ -Recurse | Measure-Object Length -Sum -ErrorAction SilentlyContinue).Sum / 1MB) + " MB" }

Thursday, October 17, 2024

Time Tracker for Android

Last update: 2026.04.07 

2024.10.17 

Time Tracker for Android is another app I made for my own use. I released it on December 4, 2010, and the last update was 5 years ago. I had pretty much forgotten about it until I started receiving constant warnings from Google Play that my app would be removed from their store. Instead of abandoning it, I decided to update it.

At that time, the app had 22 installs and exactly 0 monthly active users. AdMob was reporting lifetime earnings of $79 USD — another financial success of mine.

The first step was to move the code repository from CVS (anyone remember that one?) to GitHub. Android Studio couldn't even build the code when I opened it.

The app launcher icon, before and after the redesign   

Sample screenshot, before and after the redesign

Time Tracker for Android has been redesigned using Material Design 3 with Dynamic Colors. Check out the short video demo here: Time Tracker for Android video demo.

To sum it up, I invested a few hours, and Time Tracker is back on track! I've also been thinking about the future of this app and my other projects. Once I finish getting my other apps through the F-Droid pipeline, I plan to open-source Time Tracker as well. This will give other developers the opportunity to contribute or fork it for their own purposes.

In the meantime, if you want to try out the updated version, you can download it directly from Google Play: Time Tracker on Google Play.

 

2026.04.07

My other apps are still somewhere in the F-Droid pipeline, but Time Tracker has been open sourced