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Programming Leftovers

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  • Niko Matsakis: CTCFTFTW

    The meeting will focus on things that could either offer insights that might affect the work you’re doing, or where the presenter would like to pose questions to the Rust teams and get feedback.

    I announced the meeting some time back to all@rust-lang.org, but I wanted to make a broader announcement as well. This meeting is open for anyone to come and observe. This is by design. Even though the meeting is primarily meant as a forum for the members of the Rust teams, it can be hard to define the borders of a community like ours. I’m hoping we’ll get people who work on major Rust libraries in the ecosystem, for example, or who work on the various Rust teams that have come into being.

    The first meeting is scheduled for 2021-05-17 at 15:00 Eastern and you will find the agenda on the CTCFT website, along with links to the slides (still a work-in-progress as of this writing!). There is also a twitter account @RustCTCFT and a Google calendar that you can subscribe to.

  • Looking back at what Python 3.4 did for enum

    One of my favorite logic puzzles is the self-descriptive Hardest Logic Puzzle Ever. Among other things, it talks about three gods who are called A, B, and C. Their identities are True, False, and Random, in some order. You can ask them questions, but they only answer in the god language, where "da" and "ja" mean "yes" and "no," but you do not know which is which.

    If you decide to use Python to solve the puzzle, how would you represent the gods' names and identities and the words in the god language? The traditional answer has been to use strings. However, strings can be misspelled with disastrous consequences.

    If, in a critical part of your solution, you compare to the string jaa instead of ja, you will have an incorrect solution. While the puzzle does not specify what the stakes are, that's probably best avoided.

  • Perl / Unix One-liner Cage Match, Part 1

    A shell (like Bash) provides built-in commands and scripting features to easily solve and automate various tasks. External commands like grep, sed, Awk, sort, find, or parallel can be combined to work with each other. Sometimes you can use Perl either as a single replacement or a complement to them for specific use cases.

    Perl is the most robust portable option for text processing needs. Perl has a feature rich regular expression engine, built-in functions, an extensive ecosystem, and is quite portable. However, Perl may have slower performance compared to specialized tools and can be more verbose.

  • The 10 Productive Scrum Tools To Manage Your Projects

    Scrum is a popular Agile framework. It basically focuses on software development, intending to deliver innovative, functional, and useful software to consumers as quickly as possible. Versatile fields have been blessed with the power of Scrum. From sales and marketing to advanced research and technology – Scrum has its use. Like many other frameworks, Scrum also needs some tools to work with. Due to the high popularity of Scrum, several Scrum tools are available in the market.

    However, you have to choose a specific tool according to your need. The choice of a suitable tool is very significant for enhanced production. So, today, we’ll assist you in selecting a suitable tool for your project.

  • The Open-Source Software bubble that is and the blogging bubble that was

    Web development? Everything is built or run directly on OSS.

    Almost everything we do in web development exists as a thin layer over open-source software.

    Servers, build tools, databases, ORMs, auth, client-side JS, web browser: we are all building on a vast ocean of OSS labour without paying back a fraction of the value we generate. It isn’t just big, direct dependencies like Babel that are suffering. The stuff your stuff is using—the infrastructure code everything needs—is surviving on sheer inertia as well.

    That’s value extraction. Strip-mining if you want to hammer home the unsustainability. Looting if you want to emphasise the moral dimension.

More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

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.