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Programming: Qt and Perl

Submitted by Roy Schestowitz on Wednesday 25th of November 2020 09:49:41 PM Filed under
Development
  • Qt 6.0 RC1 Takes Flight - Qt 6.0 Should Be Here By Mid-December - Phoronix

    The Qt Company has just announced Qt 6.0 Release Candidate 1 as what should be the second to the last test build ahead of the big Qt 6.0 toolkit release next month.

    Qt 6.0 Release Candidate 1 has the latest batch of bug/regression fixes to the Qt6 code-base. The very basic Qt 6.0 RC1 release announcement can be read on the Qt development list.

  • Porting from Qt 5 to Qt 6 using Qt5Compat library

    Porting from Qt 5 to Qt 6 has been intentionally kept easy. There has been a conscious effort throughout the development of Qt 6 to maintain as much source compatibility with Qt 5 as possible. Still, some effort is involved in porting. This short post summarizes some of the steps required when porting to Qt 6.

    In Qt 5 some of the classes already had existing replacements, and some classes got successors during the Qt 6 development phase. Therefore it might make sense to be able to compile your code with both the old and new Qt version. This can ensure that the amount of work where your code does not compile with either version is minimized, allowing your application or library to continue to work with Qt 5 and Qt 6. Another advantage could be that existing unit tests continue to work for most of the duration of porting, and regressions resulting from porting your code are easily distinguished from bugs introduced in Qt 6.

  • Perl Weekly Challenge 88: Array of Products and Spiral Matrices

    These are some answers to the Week 88 of the Perl Weekly Challenge organized by Mohammad S. Anwar.

  • The new rules for Perl governance

    The process of adopting a new governance model for the Perl project appears to be reaching an end; the new model is designed to look a lot like the one adopted by the Python project

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digiKam 7.7.0 is released

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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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