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Working with HLS Data in QGIS: Access, Visualization, and Analysis

Qiusheng WuMay 24, 2026

A tutorial on accessing, visualizing, and analyzing NASA Harmonized Landsat Sentinel-2 (HLS) imagery in QGIS using the NASA Earthdata, GEE Data Catalogs, and OpenGeoAgent plugins, including RGB composites, NDVI, monthly time series, pixel extraction, and voice-driven workflows.

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Command line Norse God of Wind Hræsvelg move the clouds

Debian PlanetMay 23, 2026

A while back, I came across the AI Fabric system created by Daniel Miessler. I liked its approach of providing command-line tools for filtering text using artificial idiocy services, allowing stepwise operations to be applied to a piece of text. The output of one operation can then serve as the…

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Thinking about life - chat with Protesilaos

Debian PlanetMay 23, 2026

In the recent weeks I've been engaging Prot as a coach to help review my new ffs package for GNU Emacs as I worked on preparing it for inclusion in GNU ELPA, as well as discussing other Emacs- and life-related topics. UPDATE 2026-05-23 22:39:15 -0400: Prot also published an article about our…

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How deep is your deceipt

Debian PlanetMay 23, 2026

I am a teacher. Since January 2013, I have been teaching the “Operating Systems” course at the Engineering Faculty of UNAM. And yes, that means May and November are highly stressful months, where I have to review the work done by my students and… <egh… come to the difficult decisions leading to a…

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Christian Hergert: ((lib)Re)bonjour

Gnome PlanetMay 23, 2026

I made another weird side project while unemployed. In fact I’ve wanted it for a while but once I learned that “Rebonjour” is the word for “hello again” I just had to finish the library. librebonjour is an asynchronous DNS-SD and mDNS client library for GLib applications. Or, more practically, it is…

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Which age-gates should be skill-gates and vice-versa?

Terence EdenMay 23, 2026

In the UK, it is illegal to buy alcohol if you are under 18. Similarly, in most countries, you cannot vote until you have reached a specific age. These are age-gates. You do not need to prove your competence to drink, vote, smoke, or get married; you just need to be old enough. Some things have…

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Sean Gillies: May 21, 2017: Festa Trail

OSGeo PlanetMay 23, 2026

Nine years ago, I ran a 18 km race in the hills north of Montpellier, France, part of a big three-day festival of races called Festa Trail. I have good memories of the event. The weather was great, it was more runnable than Trail Quillan, and one of the race organizers emailed me the day after I…

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News about Raspberry Pi 6 and Microcontroller Development

Jeff GeerlingMay 22, 2026

On Thursday, three of the lead Raspberry Pi engineers hosted an AMA on the r/engineering subreddit. Raspberry Pi 6 One of the most interesting tidbits was on the Pi 6. Looking back at previous launches: 2012: Raspberry Pi 2015: Raspberry Pi 2 (+3 years) 2016: Raspberry Pi 3 (+1 year) 2019:…

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Scheme Requests for Implementation: SRFI 263: Prototype Object System

Scheme PlanetMay 22, 2026

SRFI 263 is now in final status.This SRFI proposes a "Self"-inspired prototype object system. Such an object system works by having prototype objects that are derived repeatedly to modify, extend, and use them, and is interacted with by passing messages.

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This Week in GNOME: #250 Sideloading

Gnome PlanetMay 22, 2026

Update on what happened across the GNOME project in the week from May 15 to May 22. Third Party Projects Alexander Vanhee reports Last Saturday, Bazaar was updated to 0.8.0 with the ability to install .flatpak bundles. We created a fancy new dialog so people can better understand what happens when…

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Thibault Martin: I realized that A cheap VPS is a good front

Gnome PlanetMay 22, 2026

I have a server at home. It runs a Kubernetes cluster and a few services. I want to expose them to the Internet, so I can e.g. share public links from my Nextcloud, or synchronize my Kobo reader with Grimmory. But I don't want to expose my home IP to the world, and I want to have some reasonable…

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Oslandia: (Fr) GeoDataDays 2026 à Tours

OSGeo PlanetMay 22, 2026

Sorry, this entry is only available in French.

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Oslandia: QGIS versions life cycle

OSGeo PlanetMay 22, 2026

Which version of QGIS should I use? With the release of QGIS 4, the question of the QGIS release cycle is arising again for many users. Among the most common: what is the roadmap? how long will this version be maintained? is it a stable version? The official QGIS roadmap page shows the current…

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Secure Boot and Microsoft CA Rollover - a heads-up for distributions

Debian PlanetMay 21, 2026

Background I'm a member of the EFI team in Debian, and I've done much of the work for Debian to support UEFI Secure Boot (SB) in recent years. We have included that support for a number of releases now, starting back with Debian 10 (aka Buster). I'm also a long-time accredited member of the…

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ffs 0.2.2 released

Debian PlanetMay 21, 2026

ffs provides a minor mode for simple plain text presentations in Emacs, where the slides are separated using the page-delimiter, by default the form feed character (^L). I wrote ffs in early 2022 for my LibrePlanet 2022 presentation the Net beyond the Web, and earlier this year decided to polish…

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Michael Catanzaro: Single-Click Code Execution Exploit for Evince, Atril, and Xreader

Gnome PlanetMay 21, 2026

CVE-2026-46529 is an argument injection vulnerability in Evince, Atril, and Xreader caused by missing shell quoting when composing a command line. The reporter, João Medeiros, has published a GitHub repo for the CVE and a blog post with the story of how he discovered the flaw and developed the…

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Scheme Requests for Implementation: SRFI 274: Extended List Conversion Procedures

Scheme PlanetMay 21, 2026

SRFI 274 is now in draft status. A set of modest extensions to list conversion and list copying procedures is proposed that aligns them with other conversion and copying procedures and allows for some operations on improper and circular lists. Authors of further SRFIs that include list…

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Mozilla Data YouTube Channel: Monitoring Sensitive Data: How do we monitor data we don't store?

Mozilla PlanetMay 21, 2026

We try to be responsible with data. For example, we: - store as little sensitive data as possible - monitor changes in incoming data on which we've built models But what happens when those two approaches conflict? How do we monitor changes in incoming data that we don't want to store? This talk…

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GeoSolutions: GEOINT 2026 Symposium: Delivering Real Impact With Open Source Geo

OSGeo PlanetMay 21, 2026

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nanotime 0.3.15 on CRAN: Coping

Debian PlanetMay 21, 2026

Another very minor update, now at 0.3.15, for our nanotime package is now on CRAN, and has been built for r2u and Debian. nanotime relies on the RcppCCTZ package (as well as the RcppDate package for additional C++ operations) and offers efficient high(er) resolution time parsing and formatting up to…

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Bart Piotrowski: Why are Flathub downloads so slow sometimes?

Gnome PlanetMay 21, 2026

It's probably not your fault. On a cache miss, there are two things a reverse proxy (which Fastly is to us) can do. It can make the client wait until the proxy itself fetches the requested content and then serve it, with subsequent requests being served from the cache. From a user's perspective, it…

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Whale Fall

Terence EdenMay 21, 2026

Somewhere, in the endless blue ocean, a gigantic mammal shudders as it takes its last breath. Thanks to science, we know that all dogs go to heaven, but all whales descend through the murky depths until their carcasses litter the seabed. Imagine a giant dying. You can't. They are huge and endless.…

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Sam Thursfield: Status update, 21st May 2026

Gnome PlanetMay 21, 2026

I often write about how when stuff works well, you take it for granted. It’s true for technology: when’s the last time you hit a compiler bug in GCC? Once upon a time these were a common thing and you had to choose your C compiler wisely. Yet I haven’t recently seen an article that says “GCC is…

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Updates from the R7RS standards process: Procedural Fascicle, Draft #1

Scheme PlanetMay 20, 2026

Working Group 2 is pleased to announce the first draft of the second part of the R7RS-Large Foundations, the Procedural Fascicle". This draft encompasses the familiar block programming forms, such as lambda, let, if, or, and set!. The draft is…

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The mysterious XF86AudioPlay issue

Debian PlanetMay 20, 2026

I was getting “<XF86AudioPlay> is undefined” in the status bar of Emacs displayed every 2-3 seconds. Nowhere else I noticed any misbehavior or problems, and also couldn’t find any related log entries. It didn’t stop, though didn’t want to reboot my system to see whether that would fix the problem,…

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