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Programming Leftovers

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Development
  • Apply the Scientific Method to agile development

    Experimentation is the foundation of the scientific method, which is a systematic means of exploring the world around us. But experimentation is not only reserved for the field of scientific research. It has a central place in the world of business too.

    Most of us are by now familiar with the business methodology called Minimum Viable Product (MVP). This Minimum Viable Product is basically just an experiment. By building and launching MVPs, business operations are engaging in a systematic means of exploring the markets.

    If we look at market leaders today, we learn that they’re not doing projects anymore; the only thing they’re doing is experiments. Customer discovery and lean strategies are only used to test assumptions about the markets. Such an approach is equivalent to Test-Driven Development (TDD), which is the process we are intimately familiar with. In TDD, we write the hypothesis (the test) first. We then use that test to guide our implementation. Ultimately, product or service development is no different than TDD—we first write a hypothesis, then that hypothesis guides our implementation, which serves as measurable validation of the hypothesis.

  • Qt Design Studio 2.0 Beta released

    Qt Design Studio is a UI design and development tool that enables designers and developers to rapidly prototype and develop complex UIs. Both designers and developers use Qt Design Studio and this makes collaboration between the two a lot simpler and more streamlined. To get an impression, you should watch this video.

  • Qt Design Studio 2.0 Beta Released For Quickly + Easily Designing UIs

    The Qt Company has released their public beta of the forthcoming Qt Design Studio 2.0, their software for quickly and easily designing user interfaces with an emphasis on UI design for non-programmers.

    Qt Design Studio 2.0 is focused on improving the user experience for developing these Qt-based UIs. The 2.0 Beta release has improvements around thumbnail generation, rotating items, navigator improvements, and other enhancements.

  • Check the day of year, given a date

    The ugliest function in my data-auditing toolkit is "chkday". I wrote it for data tables containing both a date in ISO 8601 format and the corresponding day number for the given year.

Simplify Your Development Toolset with Qt for Everything from MC

  • Simplify Your Development Toolset with Qt for Everything from MCUs to Desktop PCs

    Fragmented toolsets are insidious. While not blocking development at any one step, the constant start and stop, context switching, and other inefficiencies can slow progress to a crawl.

    Where there is a single framework that can be applied to multiple platforms, you will almost always see it being used.

    Qt is one of those frameworks, now enabling a unified graphical user interface (GUI) for everything from microcontrollers (MCU) to desktop PCs.

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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.