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Python Programming Leftovers

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  • PyDev of the Week: Tommy Falgout

    This week we welcome Tommy Falgout (@lastcoolname) as our PyDev of the Week! Tommy works on the Robo-Clippy project. You can see what else he is up to by checking out his website. Let’s take a few moments to get to know Tommy better!

    Can you tell us a little about yourself (hobbies, education, etc):

    I grew up in the bayous of Louisiana, and while everyone else was interested in 4-wheeling and hunting, I gravitated towards computers and spent hours on my Commodore 64. Early on, I knew what it meant to be an outcast.

    As I matured, my hobbies became numerous and varied, but all focused around my passion of building. For 5 years hosted and competed in Dallas/Fort Worth’s annual trebuchet competition: Slingfest, and was even featured on an episode of Dude Perfect on Nickelodeon as a Trebuchet expert (complete with my own IMDB page!). I also volunteer at a local Makerspace in Plano, TX (TheLab.ms), built a LEGO Robotic Clippy and competed in the Red Bull Soapbox Derby race. After a few exciting near-misses from bodily harm, I’ve settled down and recently taken up crochet and hobby electronics.

  • Weighted K-Means Clustering example - artificial countries

    One of fields where WKMC algorithm can be applied is demographics. Imagine a situation, in which you would like to see how people group or would group if all administation divisions or historical conflicts disappeared or ethnical, national or tribal identity would not matter? How would then people go about creating communities?

  • enum_switch: a enum-based switch thing for Python

    I am doing a series of videos (spanish only!) about "modern Python", showing the modern replacements for things that are ... dense in their original forms.

    So, I showed Poetry as an alternative to writing your setup.py and Click as a way to do things easier than argparse, and Pathlib instead of os.path and then I wanted to show Enums. Which are not so new since they have been there since Python 3.4 but I feel they are not used widely enough.

    And then I noticed that they help do a "safer" version of the classical Python version of C's switch / case where you can be sure of not leaving any values unhandled.

  • The Best Resources for Developers to Learn Finance

    Software developers should understand the basics of finance not only to manage their own money but also to understand how businesses' software projects are funded.

    Understanding how other people who work in accounting, finance and project management think about business and finance in particular can help you make better architectural decisions when trying to build maintainable systems. Code is only one aspect of a large software project so working with others and viewing the world through their discipline will help you immensely as you advance your career.

  • Global variables in python

    In Python, there has only an object data type for all global variables. No matter that is a string or number, a python programmer does not need to declare the data type of that variable before using it because each variable in Python is an object variable.

  • How to build a CSS pre-processor (like SASS) from scratch

    If you are in web development, maybe you've heard of Sass, Less, Pug, Stylus etc. All these are pre-processors. In this tutorial we're going to build nothing less than a functional css pre-processor from scratch with variables and functions. This type of new language is called source-to-source compiled. If you are thrilled, i hope not to disappoint you.

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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.

Red Hat Hires a Blind Software Engineer to Improve Accessibility on Linux Desktop

Accessibility on a Linux desktop is not one of the strongest points to highlight. However, GNOME, one of the best desktop environments, has managed to do better comparatively (I think). In a blog post by Christian Fredrik Schaller (Director for Desktop/Graphics, Red Hat), he mentions that they are making serious efforts to improve accessibility. Starting with Red Hat hiring Lukas Tyrychtr, who is a blind software engineer to lead the effort in improving Red Hat Enterprise Linux, and Fedora Workstation in terms of accessibility. Read more

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