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Programming Leftovers

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Development

  • Rust Lang team March update

    Did you know that you can see the lang team's active projects on our project board? We're still experimenting and evolving the setup, but the goal is that it should give you a quick overview of what kinds of things the lang team is focused on, and what stage they are in their development. Our minutes contain a writeup for each active project, but let me call out a few highlights here...

  • DIY primary/foreign key relationships, again

    In a blog post in 2020 I described a problem I was finding in linked tables. One table had a primary key field and the other had a foreign key field that should have referred back to the first table. That wasn't always the case, because the tables didn't always come from a database with referential integrity. The tables were sometimes built in spreadsheets and the primary and foreign keys were entered by hand.

    The defective tables usually have formatting differences or orphaned foreign keys. The formatting issue is that the primary key is something like "Abc_def_236-ghi" and the foreign key is "Abc-def-236-ghi"; close, but no cigar. Orphaned foreign keys are correctly formatted entries with no match at all in the primary key set.

  • Flutter 2.0 reaches stable and adds support for foldable and dual-screen devices

    For a while now, Flutter for Desktop has been in an alpha stage, which meant changing APIs, bugs, and performance issues. With Flutter 2.0, Google has moved its status to somewhere between beta and stable. What does that mean? Well, it’s available in Flutter 2.0 Stable, but Google doesn’t think it’s fully complete yet. It should be fine for production use, but there may be a bug here and there.

  • How I Built a Web Scraper with Beautiful Soup and Used it to Land My First Job

    Landing any job, let alone a first job, can be a difficult process. Employers often tell you that you don't have enough experience for them to hire you. But that means you also won't get an opportunity to gain that experience (like a job).

    Landing a job in tech can feel even more challenging. On the one hand you have to answer interview questions well, like any other job. On the other you have to prove that your technical skills can do the job you're interviewing for.

    These hurdles can be difficult to overcome. In this article I'll share how I built a web scraper to help me land my first job in tech. I'll explain what exactly I built and the key lessons I learned. Most importantly, I'll share how I leveraged those lessons to ace my interviews and land a job offer.

  • We Sent 304,654 Coding Tests to Developers from 156 Countries – Here’s What We Learned

    At DevSkiller, we are known for our detailed industry reports that assist IT recruitment professionals with their hiring decisions. And this past year has been the most diverse and data-heavy set of information ever compiled by our team.

    Despite the circumstances that 2020 brought us, the show must go on. We have compiled 304,654 coding tests sent to developers in 156 countries to create the 2021 DevSkiller IT skills report.

    Whilst it’s easy to point to the big tech multinationals that will indeed profit from a crisis like we’ve had, many other small businesses will have a hard time adapting to the market’s fluctuating demands.

  • Qt 6.0.2 Released

    We have released Qt 6.0.2 today. As a patch release, the Qt 6.0.2 does not add any new functionality but provides bug fixes and other improvements.

  • The Month in WordPress: February 2021

    That was Josepha Haden Chomphosy on WordPress is Free(dom) episode of the WP Briefing Podcast, speaking about the four freedoms of open-source software. Those four freedoms are core to how WordPress is developed. A lot of the updates we bring you this month will resonate with those freedoms.

  • Toolbox your Debian

    Last week I needed a Debian system to test things, I had heard others were using toolbox with Debian images without much trouble so decided to give it a go instead of creating a VM.

    Toolbox only requires a handful utilities to work with any given docker image. After a quick search I stumbled upon Philippe’s post which in turn linked into this PR about an Ubuntu based toolbox image. Looks like the last major issues where worked out recently in toolbox and there isn’t anything extra needed apart the image.

  •   

  • February GNU Spotlight with Mike Gerwitz: 23 new releases

    23 new GNU releases in the last month (as of February 25, 2021):
    artanis-0.5
    autoconf-archive-2021.02.19
    binutils-2.36.1
    freeipmi-1.6.7
    freeipmi-1.6.8
    glibc-2.33
    gnuhealth-3.8.0
    gwl-0.3.0
    help2man-1.48.1
    inetutils-2.0
    intlfonts-1.4.1
    libgcrypt-1.9.2
    libredwg-0.12.1
    libredwg-0.12.2
    linux-libre-5.11
    mailutils-3.12
    nano-5.6
    nettle-3.7.1
    octave-6.2.0
    parallel-20210222
    tar-1.34
    unifont-13.0.06
    xorriso-1.5.4.pl02

"Futter 2.0 to target developers across all platforms..."

  • Google launches Flutter 2.0 to target developers across all platforms | VentureBeat

    Google has unveiled version 2.0 of Flutter, its open source UI development kit that helps app makers build cross-platform software from the same codebase. While the upgrade ushers in a spread of new features, today’s launch event was perhaps mostly designed to highlight Flutter’s continued transition beyond mobile to support apps wherever they reside — the web, desktop, and even emerging form factors such as foldables.

    The internet giant first unveiled Flutter at its I/O developer conference back in 2017. Version 1.0 arrived on the scene in December 2018 with support for Android and iOS apps, but in the two-plus years since, Google has extended support (somewhat) to include web apps, MacOS, Linux, Windows, and even embedded devices. However, such support has been offered only in early-stage iterations that were either unavailable to most developers, or not designed for production-grade apps — and that is what’s changing today.

  • Google Unleashes Flutter 2 And a New Era of Apps

    In its initial releases, Flutter allowed developers to create apps that run on both Android and iOS. But now Google is setting its sights higher. Much higher.

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More in Tux Machines

KDE Frameworks 5.81 Released with KHamburgerMenu, Various Improvements

The biggest new feature in the KDE Frameworks 5.81 release is the implementation of a new, custom hamburger menu called KHamburgerMenu, which will be shown on QWidgets-based apps whenever the main menubar is hidden. The KDE Project plans to adopt the KHamburgerMenu for all KDE apps as it offers several advantages, including an alternative app menu in case you hide the default menubar by accident, more freedom when you want to take full advantage of the maximum vertical space, more compact design with only relevant menu items, as well as support for relocating, renaming, removing, or even changing its icon. Read more

today's leftovers

  • Radeon Vulkan Driver Adds Option Of Rendering Less For ~30% Greater Performance - Phoronix

    If your current Vulkan-based Radeon Linux gaming performance isn't cutting it and a new GPU is out of your budget or you have been unable to find a desired GPU upgrade in stock, the Mesa RADV driver has added an option likely of interest to you... Well, at least moving forward with this feature being limited to RDNA2 GPUs for now. RADV as Mesa's Radeon Vulkan driver has added an option to allow Variable Rate Shading (VRS) via an environment variable override. This RADV addition is inspired by the likes of NVIDIA DLSS for trading rendering quality for better performance but in its current form is a "baby step" before being comparable to DLSS quality and functionality.

  • Bas Nieuwenhuizen: A First Foray into Rendering Less

    In RADV we just added an option to speed up rendering by rendering less pixels. These kinds of techniques have become more common over the past decade with techniques such as checkerboarding, TAA based upscaling and recently DLSS. Fundamentally all they do is trading off rendering quality for rendering cost and many of them include some amount of postprocessing to try to change the curve of that tradeoff. Most notably DLSS has been widly successful at that to the point many people claim it is barely a quality regression. Of course increasing GPU performance by up to 50% or so with barely any quality regression seems like must have and I think it would be pretty cool if we could have the same improvements on Linux. I think it has the potential to be a game changer, making games playable on APUs or playing with really high resolution or framerates on desktops. [...] VRS is by far the easiest thing to make work in almost all games. Most alternatives like checkerboarding, TAA and DLSS need modified render target size, significant shader fixups, or even a proprietary integration with games. Making changes that deeply is getting more complicated the more advanced the game is. If we want to reduce render resolution (which would be a key thing in e.g. checkerboarding or DLSS) it is very hard to confidently tie all resolution dependent things together. For example a big cost for some modern games is raytracing, but the information flow to the main render targets can be very hard to track automatically and hence such a thing would require a lot of investigation or a bunch of per game customizations.

  • Dota 2 version 7.29 is out with the new Dawnbreaker melee hero

    Valve has put out a major upgrade for their popular free to play MOBA with Dota 2 getting Dawnbreaker. This brand new hero is focused on melee, with a low-skill entry level so it should be suitable for a lot of players. You can see a dedicated hero page for Dawnbreaker here. "Dawnbreaker shines in the heart of battle, happily crushing enemies with her celestial hammer and healing nearby allies. She revels in hurling her hammer through multiple foes and then converging with it in a blazing wake, always waiting to tap her true cosmic power to fly to the aid of her teammates — eager to rout her enemies on the battlefield no matter where they are."

  • Grape times ahead with the release of Wine 6.6 noting plenty of fixes

    No wine-ing about the puns please. Jokes aside, the tasty compatibility tech that is Wine has a new development release available today with Wine 6.6. For newer readers and Linux users here's a refresher - Wine is a compatibility layer built for operating systems like Linux, macOS and BSD. The idea is to allow other platforms to run games and applications only built and supported for Windows. It's also part of what makes up Steam Play Proton. Once a year or so, a new stable release is made.

  • Friday’s Fedora Facts: 2021-14

    Here’s your weekly Fedora report. Read what happened this week and what’s coming up. Your contributions are welcome (see the end of the post)! The Final freeze is underway. The F34 Final Go/No-Go meeting is Thursday. I have weekly office hours on Wednesdays in the morning and afternoon (US/Eastern time) in #fedora-meeting-1. Drop by if you have any questions or comments about the schedule, Changes, elections, or anything else. See the upcoming meetings for more information.

  • A developer goes to the Masters: Day 1 inside the digital ops center [Ed: IBM is OK with the word "Master" again, contrary to spin]
  • Rancher Platform Partner, Weka delivers Stateful Storage for Containers at Scale

    Containers rose to the mainstream primarily due to workload portability and immutability advantages. Kubernetes became the primary orchestration tool and was initially supporting stateless applications, commonly referred to as the cattle vs. pets approach. However, data-centric applications need stateful-ness while still leveraging the cattle vs. pet approach. Microservices, Containers, and Kubernetes are now moving mainstream as increasingly more stateful applications are adopting them.

  • SUSE for your agile data platform, featuring Microsoft SQL Server[Ed: SUSE is just a worthless proprietary software reseller for SAP and Microsoft (their salesperson from SAP signing anti-RMS petition makes perfect sense and proves us correct about SUSE's motivations)]
  • What's the point of open source without contributors? Turns out, there are several [Ed: Mac Asay isn't even using it himself, just lecturing others what to do while working for Jeff Bezos]
  • Am I FLoCed? A New Site to Test Google's Invasive Experiment

    FLoC is a terrible idea that should not be implemented. Google’s experimentation with FLoC is also deeply flawed . We hope that this site raises awareness about where the future of Chrome seems to be heading, and why it shouldn't.

    FLoC takes most of your browsing history in Chrome, and analyzes it to assign you to a category or “cohort.” This identification is then sent to any website you visit that requests it, in essence telling them what kind of person Google thinks you are. For the time being, this ID changes every week, hence leaking new information about you as your browsing habits change. You can read a more detailed explanation here .

    Because this ID changes, you will want to visit https://amifloced.org often to see those changes.

  • The Brave browser basics: what it does, how it differs from rivals

    Boutique browsers try to scratch out a living by finding a niche underserved by the usual suspects. Brave is one of those browsers.

    Brave has gotten more attention than most alternate browsers, partly because a co-founder was one of those who kick-started Mozilla's Firefox, partly because of its very unusual — some say parasitical — business model.

Devices/Embedded Hardware

  • 3.5-inch SBC features Comet Lake-S

    Aaeon’s 3.5-inch Linux-ready “GENE-CML5” SBC supplies an up to octa-core 10th Gen Core CPU plus up to 64GB DDR4, 2x SATA, 2x GbE, 2x USB 3.2 Gen2, DP, VGA, M.2 M-key, and PCIe x4. Aaeon has posted a preliminary product page for what appears to be the first 3.5-inch SBC built around Intel’s 10th Gen Comet Lake-S. In fact, this is one of the first Comet Lake SBCs of any kind, following a few early entries like Portwell’s WADE-8212 Mini-ITX board.

  • Play your retro console on a modern TV
  • Olimex RP2040-PICO-PC “computer” to feature RP2040-Py Raspberry Pi Pico compatible module

    We previously wrote it was possible to create a Raspberry Pi RP2040 board with HDMI using DVI and programmable IOs to output video up to 640×480 at 60 Hz with the microcontroller’s Cortex-M0+ cores clocked at 252 MHz. At the time, we also noted Olimex was working on such a board with RP2040-PICO-PC designed to create a small Raspberry Pi RP2040 computer with HDMI/DVI video output. The Bulgarian company has now manufactured the first prototype, but due to supply issues with the Raspberry Pi Pico board, they also designed their own RP2040-PICO module since they’ve got a reel of Raspberry Pi RP2040 microcontrollers.

  • Our most complex Open Source Hardware board made with KiCad – the octa core iMX8 Quad Max – Tukhla is completely routed and now on prototype production

    We started this project June-July 2020. Due to the Covid19 the development took 10 months although only 6 month of active work was done, due to lock downs, ill developers and so on troubles.

    Now the board is completely routed and has these features: [...]

Programming Leftovers

  • Open Source Software Leader the Eclipse Foundation Launches the Adoptium Working Group for Multi-Vendor Delivery of Java Runtimes for Enterprises
  • AWS's Shane Miller to head the newly created Rust Foundation

    Miller, who leads the Rust Platform team for AWS, has been a software engineer for almost 30 years. At AWS, Miller has been a leader in open-source strategic initiatives and software engineering and delivery. Miller's Rust Platform team includes Rust language and compiler maintainers and contributors and developers on the Tokio runtime for writing reliable asynchronous applications with Rust. Under Miller's leadership, the AWS Rust team is crafting optimizations and tools for the features that engineers will use to build and operate services which take full advantage of Rust's performance and safety.

  • Inkscape compiled in OpenEmbedded

    Cross-compiling can be a challenge with some packages, and some of the big ones, such as SeaMonkey, LibreOffice and Inkscape, I have compiled in a running EasyOS (with the "devx" SFS loaded). I have previously compiled LibreOffice in OE, see the Pyro series. But it was a lot of work.

  • Felix Häcker: New Shortwave release

    Ten months later, after 14.330 added and 8.634 deleted lines, Shortwave 2.0 is available! It sports new features, and comes with the well known improvements, and bugfixes as always. [...] Shortwave has always been designed to handle any screen size from the beginning. In version 2.0 we have been able to improve this even further. There is now a compact mini player for desktop screens. This still offers access to the most important functions in a tiny window.

  • 5 signs you're a groff programmer

    I first discovered Unix systems in the early 1990s, when I was an undergraduate at university. I liked it so much that I replaced the MS-DOS system on my home computer with the Linux operating system. One thing that Linux didn't have in the early to mid-1990s was a word processor. A standard office application on other desktop operating systems, a word processor lets you edit text easily. I often used a word processor on DOS to write my papers for class. I wouldn't find a Linux-native word processor until the late 1990s. Until then, word processing was one of the rare reasons I maintained dual-boot on my first computer, so I could occasionally boot back into DOS to write papers. Then I discovered that Linux provided kind of a word processor. GNU troff, better known as groff, is a modern implementation of a classic text processing system called troff, short for "typesetter roff," which is an improved version of the nroff system. And nroff was meant to be a new implementation of the original roff (which stood for "run off," as in to "run off" a document).