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Python Programming: Python 3.9.0a5, Twisted, Django and More

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Development
  • Python 3.9.0a5 is now available for testing

    On behalf of the entire Python development community, and the currently serving Python release team in particular, I’m pleased to announce the release of Python 3.9.0a5. Get it here:
    https://www.python.org/downloads/release/python-390a5/

  • Twisted Drops Python 2.7 Support

    With the open-source Python community at large dropping Python 2.7 support in their projects, Twisted has decided to do the same. Twisted 20.3.0, the most recently released version, is the final release to offer Python 2.7 support.

  • Simple Speech to Text Converter Using Speech Recognization in Python

    In this part, I'm going to share small script to create speech to text converter in python using google Speech Recognition module.

  • Against service layers in Django

    Recently I’ve seen posts and questions pop up in a few places about a sort of “enterprise” Django style guide that’s been getting attention. There are a number of things I disagree with in that guide, but the big one, and the one people have mostly been asking about, is the recommendation to add a “service layer” to Django applications. The short version of my opinion on this is: it’s probably not what you want in Django apps.

  • More on service layers in Django

    While there were plenty of people who agreed with the general idea of that post, there were also quite a few objections. And most of those seem to fall into two main categories: people who want some type of additional layer (and may or may not call it a “service”) as a way of managing cross-cutting complexity, and people who want it as an isolating abstraction for testing.

    There’s also a third group whose objections are more about the Active Record ORM pattern, but that’s not something that can be solved within the context of the Django ORM — it is and likely always will be an Active Record ORM. As I mentioned in the previous post, if you want a Data Mapper ORM in Python, I think you really should be using SQLAlchemy. And you probably shouldn’t be using Django at all in that case — instead, either go with a microframework that lets you plug in whatever you want (most likely Flask), or with a full-stack framework built around SQLAlchemy (your best choice is probably Pyramid). I think you’ll be much happier working with one of those than with trying to retrofit SQLAlchemy, or any other replacement ORM, into Django.

  • Stéphane Wirtel: Contribution to PythonIreland

    At the end of February, I was in Limerick to help the PythonIreland team for the PyCon Limerick held there during the weekend of February 29th.

    And because I wanted to help them, I have started to rewrite the web site of PyCon Limerick 2020. The current version of PyCon Limerick uses a Wordpress instance, I have no issues with the set up. But I prefer to work with a static site, and with some other members of the team, I have started to work on a static version with Hugo.

  • The Python math Module: Everything You Need to Know

    In this article, you’ll learn all about Python’s math module. Mathematical calculations are an essential part of most Python development. Whether you’re working on a scientific project, a financial application, or any other type of programming endeavor, you just can’t escape the need for math.

    For straightforward mathematical calculations in Python, you can use the built-in mathematical operators, such as addition (+), subtraction (-), division (/), and multiplication (*). But more advanced operations, such as exponential, logarithmic, trigonometric, or power functions, are not built in. Does that mean you need to implement all of these functions from scratch?

  • New pip resolver to roll out this year

    The developers of pip are in the process of developing a new resolver for pip (as we announced on the PSF blog last year). We aim to roll it out later this year. As part of that work, there will be some major changes to how pip determines what to install, based on package requirements.

  • How to Shuffle a List in Python

    random is a Python module that implements pseudo-random number generators. random.shuffle can shuffle a list in-place.

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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.