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Programming Leftovers

Submitted by Roy Schestowitz on Saturday 10th of July 2021 12:11:32 PM Filed under
Development
  • How Did You Become a Software Engineer? Mary Brians Shares Her Insights
  • Announcing Arti, a pure-Rust Tor implementation (Tor blog)

    The Tor project, which provides tools for internet privacy and anonymity, has announced a rewrite of the Tor protocols in Rust, called Arti. It is not ready for prime time, yet, but based on a grant from Zcash Open Major Grants (ZOMG), significant work is ongoing; the plan is "to try bring Arti to a production-quality client implementation over the next year and a half". The C implementation is not going away anytime soon, but the idea is that Arti will eventually supplant it.

  • Perl Weekly Challenge 120: Swap Odd/Even Bits and Clock Angle
  • Dirk Eddelbuettel: drat 0.2.1: Small Tweak

    A new minor release of drat arrived on CRAN overnight. This is a minor update relative to the 0.2.0 release in April. This release will now create an empty file index.html in the top-level (when initRepo() is called), and check for presence of such a file when adding files to a repo (via insertPackage()). This helps to avoid getting ‘404’ results when (perfectly valid) drat repos are checking by accessing the top-level URL, as for example CRAN does when testing if an Additional_repositoiries is reachable. The ‘step-by-step’ vignette had already suggested creating one by hand, this is now done programmatically (and one is present in the repo suggsted to fork from too).

    drat stands for drat R Archive Template, and helps with easy-to-create and easy-to-use repositories for R packages. Since its inception in early 2015 it has found reasonably widespread adoption among R users because repositories with marked releases is the better way to distribute code. See below for a few custom reference examples.

  • Timezones of Countries and Country Subdivisions

    While this ultimately is just a small table with a few hundred entries, it’s actually rather complicated to get to.

    The official IANA zonetab has at least some data on countries, but for the country subdivisions we need more. The most detailed data in this regard is the IANA timezone boundaries dataset, which contains high resolution geographic areas for each timezone, generated from OSM.

    Inspired by that I built a similar dataset for countries and country subdivisions boundaries some time ago. What we are looking for now is the intersection of those two.

    Not something one would want to implement manually, but fortunately QGIS provides the right tools for this already. We use that in form of a Python script that can run inside QGIS, download and unpack the needed data files, preprocess them for our use, compute the data we need from then and then generate C++ code from that.

    [...]

    Feedback for this is very welcome, on the implementation but also regarding use-cases and requirements you have in your application. Check the corresponding Phabricator task and the Gitlab branch for this, or find me in the #kde-devel channel on Matrix, the weekly KF6 meetings or the kde-frameworks-devel mailing list.

  • Why are app developers porting to Apple Silicon and not to Linux? [Ed: Stuff they port is likely worthless proprietary software that GNU/Linux users won't run anyway]

    Today we're going to address something that is regularly pointed out to me in the comments: why would third party application developers go through all the trouble of porting their apps to Apple Silicon, which is a whole new architecture, and not do a port for Linux, which runs mostly on x86 CPUs, same as what Macs and Windows computers generally run up to that point

  • If you've mastered Python 101, you're probably better at programming than OpenAI's prototype Codex [Ed: "Hey hi" hype is still mostly garbage and marketing (paid-for media to sell proprietary software and keyloggers for IDEs)]

    The artificial intelligence lab revealed the shortcomings and limitations of non-production builds of its Codex model in a pre-print paper this week. It should be noted a distinct production variant of the system powers GitHub Copilot; the preliminary models discussed in the paper are smaller and are only trained on Python whereas Copilot was trained on more data and supports code-completion for a range of programming languages.

    Still, GitHub Copilot suffers from similar problems as the prototypes of Codex. Namely, the code generated is unlikely to be correct and useful for developers in its first attempt, and it tends to come up with responses that at first glance appear sensible but may be wrong. Programmers should carefully check the auto-written code for any mistakes.

»

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Dilution and Misuse of the "Linux" Brand

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The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.

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