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Programming Leftovers

Submitted by Roy Schestowitz on Friday 18th of June 2021 12:24:51 PM Filed under
Development
  • Automated Website Testing with Selenium

    Today’s blog article is a more unusual one. If you know me in person you would not connect me to web development, but yet here we are. So, how do I got here? One student at my university has asked me if I could help and have a look on their code. He was working on unit tests with Selenium on a very beginner friendly level. This is how I got more interested in this topic.

  • Bag of Freebies for XR Hand Tracking: Machine Learning & OpenXR

    In our previous post, we presented a project backed by INVEST-AI which introduces a multi-stage neural network-based solution that accurately locates and tracks the hands despite complex background noise and occlusion between hands. Now let's dive into the machine learning details of our innovative, open source hand-tracking pipeline.

    Hand pose estimation using a video stream lays the foundation for efficient human-computer interaction on a head-mounted Augmented Reality (AR) device. See for example the Valve Index, Microsoft Hololens and Magic Leap One. There has been significant progress recently in this field due to advances in deep learning algorithms and the proliferation of inexpensive consumer-grade cameras.

    Despite these advances, it remains a challenge to obtain precise and robust hand pose estimation due to complex pose variations, significant variability in global orientation, self-similarity between fingers, and severe self-occlusion. The time required to estimate the hand pose is another big challenge for XR applications, since real-time responses are needed for reliable applications.

    Taking into account the above motivation and challenges, we have implemented a lightweight and top-down pose estimation technique that is suitable for the performance-constrained XR sector. As a result, our methods can be integrated into frameworks such as Monado XR, a free, open-source XR platform that offers fundamental building blocks for different XR devices and platforms.

  • Get Started with Android application development using Linux and Android SDK

    Developers interested in the Android mobile operating system are able to use the Android SDK and various IDE software to code applications. These apps can then be made available and marketed to Android users around the world.

    There are a lot of choices when it comes to programming Android applications. Your coding environment can involve a Linux system and a variety of different IDE programs to facilitate all of the software development. The trouble here is that each Linux distribution will often have a different set of requirements to run the sofware, and a separate list of steps that need to be followed.

    In this guide, we'll go through the step by step instructions to install Android Studio - which is one of the most popular Android IDEs - on a Linux system. This will work on any distribution because we'll be using Snap package manager to manage the installation. Love it or hate it, the Snap package manager gets your system ready for Android development very quickly, by handling all the dependencies and working identically on any distribution you're running, whether it be Ubuntu, Debian, Red Hat, CentOS, AlmaLinux, openSUSE, or any other type of Linux system.

  • Did you know that …

    Raku is full of surprises. Sometimes I read something what that me like “oh, really?”. Sometimes I realize than a fact evident for me is not so obvious for others.
    Here is one of the kind.

  • Programming languages: Rust in the Linux kernel just got a big boost from Google | ZDNet

    The recently announced proposal to make the Rust programming language one of two main languages for the Linux kernel is getting a major boost thanks to Google and the Internet Security Research Group (ISRG), the group behind the Let's Encrypt certificate authority.

    The main goal of the push to bring Rust to Linux is to wipe out an entire class of memory-related security bugs in the kernel, which is a key part of the internet's infrastructure, running on everything from servers to edge devices and smartphones.

  • Announcing Rust 1.53.0

    The Rust team is happy to announce a new version of Rust, 1.53.0. Rust is a programming language that is empowering everyone to build reliable and efficient software.

»

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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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