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Python and Django Programming

Submitted by Roy Schestowitz on Tuesday 5th of March 2019 10:21:22 AM Filed under
Development
  • Connecting Raspberry Pi to the Alibaba Cloud IoT Platform Using Python

    Join us at the Alibaba Cloud ACtivate Online Conference on March 5-6 to challenge assumptions, exchange ideas, and explore what is possible through digital transformation.

  • “Everything is Awesome”: Python Meets Plastic Bricks

    If you stay in the field of software development long enough, you might be lucky enough to work a project like we are working on. It is the type of project that makes you think, “I can’t believe they pay me to do this.” Two years ago, our company hired us to develop an Industrial Control System/Supervisory Control and Data Acquisition (ICS/SCADA) program for cyber teams. Cody was hired as a Constructive Modeler, making a variety of real and synthetic models for various projects. Scott was hired as an ICS/SCADA Engineer, designing and building the control systems that power the models.

  • Python + Memcached: Efficient Caching in Distributed Applications

    When writing Python applications, caching is important. Using a cache to avoid recomputing data or accessing a slow database can provide you with a great performance boost.

    Python offers built-in possibilities for caching, from a simple dictionary to a more complete data structure such as functools.lru_cache. The latter can cache any item using a Least-Recently Used algorithm to limit the cache size.

    Those data structures are, however, by definition local to your Python process. When several copies of your application run across a large platform, using a in-memory data structure disallows sharing the cached content. This can be a problem for large-scale and distributed applications.

  • Contributing to classiness (in Django)

    A couple weeks ago I ran a poll on Twitter asking people whether they’d ever used, or considered using, the contribute_to_class() method to write something that attaches to or hooks into a Django ORM model class, and if so what their thoughts were. There was also a “don’t know what that is” option, which won by a large margin, and I promised I’d provide an explanation.

    Unfortunately, that was around the time I suffered a kitchen accident which left me without full use of my left hand for a bit. Full healing will take a little while longer, but it’s at the point where I can mostly type normally again, so it’s time to provide the explanation.

  • Ansible Cranked to 11

    On the Building SaaS with Python and Django Twitch stream, I tried out a new tool to see if it would improve my deploy time. We configured Ansible to use Mitogen and it was an incredible success.

»

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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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