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today's leftovers

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  • GSoC 2018: Coding period (week 4-8)

    Since the last blogpost, the import of JSON files has been significantly improved, now this code is merged into the master branch. Previously, you could import data only from the field of the root object, whose name was specified manually. But then there was implemented the feature to overview the structure of JSON file that lets you import data by selecting an item in the file structure. To implement this, a QTreeView has been added to the ImportFileWidget. To fill it I used QJsonModel, which I and my mentor Alexander Semke improved a little for our needs:we made a display of icons for objects and arrays in the structure, added a display of the root element of the document and more.

  • GUADEC 2018

    Today, my first GUADEC experience has come to an end, and it was great! Kudos to the organizers for a very well-planned and executed event. Being a part of the volunteer team was a fantastic experience and thanks for the nice t-shirt!

    It was wonderful to meet the GNOME community in person, quite a surreal experience to say the least. The talks were a great opportunity to learn about everything going on at GNOME. I had amazing discussions with my mentors on various topics ranging from “Integrating AI in gnome applications” to “The big dilemma: Is a PhD really worth it?” and finally, some stuff about the GSoC project too.

  • GNOME's GLib Finally Has A Generic Reference Counting API

    Fulfilling a 6+ year desire, GNOME's GLib library now has a generic memory reference counting API.

  • My Free Software [Debian] Activities in June 2018

    Welcome to gambaru.de. Here is my monthly report that covers what I have been doing for Debian. If you’re interested in Java, Games and LTS topics, this might be interesting for you.

  • StarTech releases UVCHDCAP HDMI to USB-C Video Capture Device for Windows, Mac, and Linux

    While all desktops (and most laptops) have video outputs, having a video input is much more rare. The reason why is simple -- most people don't need such a thing. Quite frankly, outside of some business use, home users never really had much of a need. With the invent of video gameplay streaming on platforms like Twitch, however, this changed. Now, more and more home users want video capture devices to connect a game console to their PC.

  • Signage-oriented Mini-STX SBC taps Ryzen V1000

    Sapphire has launched a Linux-friendly “FS-FP5V” SBC starting at $325 that features an AMD Ryzen V1000 SoC, as well as SATA III, 2x M.2, 4x DP++, 2x GbE, and 4x USB ports including a USB 3.1 Type-C.

    Sapphire, which makes AMD-based graphics cards and motherboards, has launched a 147.3 x 139.7mm Mini-STX (5×5-inch) form factor SBC that runs Ubuntu 16.04 or Windows on AMD’s new Ryzen Embedded V1000 SoC. AMD’s Ryzen V1000 is highly competitive on CPU performance with the latest Intel Core chips, and the Radeon Vega graphics are superior, enabling four 4K displays to run at once.

  • Elsevier Will Monitor Open Science In EU Using Measurement System That Favors Its Own Titles

        

    In other words, one of the core metrics that Elsevier will be applying as part of the Open Science Monitor appears to show bias in favor of Elsevier's own titles. One result of that bias could be that when the Open Science Monitor publishes its results based on Elsevier's metrics, the European Commission and other institutions will start using Elsevier's academic journals in preference to its competitors. The use of CiteScore creates yet another conflict of interest for Elsevier.

  • 15 open source applications for MacOS
  • 6 Open Source Software Security Concerns Dispelled [Ed: White Source typically badmouths FOSS to sell its wares and services. Anat Richter, for a change, tries a more positive approach.]

    Used by developers around the world, open source components makes up 60%-80% of the codebase in modern applications. Open source components are downloaded thousands of times per day to create applications for organizations of varying sizes and across all industries.

    But despite the continuously growing adoption there are still myths to dispel and concerns to mitigate around the usage of open source components in commercial software. The following is a list of the top concerns associated with open source usage and how to overcome each one of these stumbling blocks:

More in Tux Machines

today's howtos

Linus Torvalds Comments On STIBP & He's Not Happy - STIBP Default Will End Up Changing

It turns out that Linus Torvalds himself was even taken by surprise with the performance hit we've outlined on Linux 4.20 as a result of STIBP "Single Thread Indirect Branch Predictors" introduction as well as back-porting already to stable series for cross-hyperthread Spectre V2 protection. He doesn't want this enabled in full by default. All of the benchmarking I've been doing the past few days to shine the light on the Linux kernel's STIBP addition appears to be paying off. My tests have found Linux 4.20 to incur significant performance penalties in many workloads -- in fact, more so than some of the earlier Spectre and Meltdown mitigations -- and STIBP is already being back-ported to stable series like Linux 4.19.2. PHP, Pythom, Java, and many other workloads are measurably affected and even the gaming performance to some extent. Read more

Submissions now open for the Fedora 30 supplemental wallpapers

Each release, the Fedora Design team works with the community on a set of 16 additional wallpapers. Users can install and use these to supplement the standard wallpaper. Submissions are now open for the Fedora 30 Supplemental Wallpapers, and will remain open until January 31, 2019 Have you always wanted to start contributing to Fedora but don’t know how? Submitting a supplemental wallpaper is one of the easiest ways to start as a Fedora contributor. Keep reading to learn how. Read more

Android Leftovers