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Programming Leftovers

Submitted by Roy Schestowitz on Sunday 14th of February 2021 05:07:02 AM Filed under
Development

  • Dirk Eddelbuettel: RcppFastFloat 0.0.2: New Function

    The second release of RcppFastFloat is now on CRAN. The package wraps fastfloat, another nice library by Daniel Lemire who showed in a recent arXiv paper that one can convert character representations of ‘numbers’ into floating point at rates at or exceeding one gigabyte per second.

  • Comparisons in Javascript

    Not sure what is the difference between the different JavaScript comparison operators ? When to use ==, ===,!= Or !== ? Follow this article and you will hopefully have all the information you need.

    JavaScript has two ways of comparing values. One form is more rigorous (===), while in the other, a type conversion occurs (==). Example: 1 == ‘1’ (true). 1 === ‘1’ (false).

    Although it is a simple concept, understanding some details about JavaScript comparisons can save you a lot of time.

  • Build a PyQt Application by Example

    PyQt is a very useful library of Python used to develop graphical applications. It uses the Qt GUI framework of Python that is developed using C++ language. The graphical user interface of the application can be developed by importing the PyQt library in a Python script or using the Qt Designer module of PyQt. If you don’t want to write code to implement the GUI of the application, then it is better to install Qt Designer and create a graphical user interface using it. The way of creating a PyQt application in Python is shown in this tutorial, step-by-step.

»

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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

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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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