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Programming Leftovers

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Development
  • Pocket Lisp Computer

    I recently built three Lisp Badge computers with some help from my kids. I bought a hot air soldering station and learned TQFP soldering. The kids did some through-hole and SMT soldering and really enjoyed it!

    The hardware assembly and debugging process was really fun, other than worrying several times that I had put too much heat into a component, or set the wrong programmable fuse. During that phase I received some advice from the board’s designer, which really helped.

    I’ve learned from the hardware people at work to always order extra parts, and I did, including an extra PCB. I was half expecting to damage stuff while learning, so I was really happy that we ended up with all three boards fully working, after locating and fixing some cold solder joints.

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  • CY's Take on PWC#067

    This is a part of Perl Weekly Challenge(PWC) and the followings are related to my solutions. 

    [...]

    The discussion of Perl 7 in blogs.perl.org # was so hot last week made me too shy to write PWC experience (stop, it's just an excuse!).

    Some discussions were quite technical for a beginner. Anyway as a beginning coder in Perl 5, I would add "use warnings" in my final coding stage from now on to prepare for the change.

  • Glyph Lefkowitz: Zen Guardian

    Moshe wrote a blog post a couple of days ago which neatly constructs a wonderful little coding example from a scene in a movie. And, as we know from the Zen of Python quote, there should only be one obvious way to do something in Python. So my initial reaction to his post was of course to do it differently — to replace an __init__ method with the new @dataclasses.dataclass decorator.

    But as I thought about the code example more, I realized there are a number of things beyond just dataclasses that make the difference between “toy”, example-quality Python, and what you’d do in a modern, professional, production codebase today.

  • Ian Ozsvald: Weekish notes

    I gave another iteration of my Making Pandas Fly talk sequence for PyDataAmsterdam recently and received some lovely postcards from attendees as a result. I’ve also had time to list new iterations of my training courses for Higher Performance Python (October) and Software Engineering for Data Scientists (September), both will run virtually via Zoom & Slack in the UK timezone.

    I’ve been using my dtype_diet tool to time more performance improvements with Pandas and I look forward to talking more on this at EuroPython this month.

  • Quickly Use Bootstrap 4 in a Django Template with a CDN
  • PSF GSoC students blogs: [Week 5] Check-in
  • PSF GSoC students blogs: Weekly Check-in #6
  • PSF GSoC students blogs: Weekly Check-In: Week 6

More in Tux Machines

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Dilution and Misuse of the "Linux" Brand

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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.