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Python Programming

Submitted by Roy Schestowitz on Friday 15th of May 2020 01:48:58 AM Filed under
Development
  • Displaying custom 404 error (page not found) page in Django 2.0

    It happens very frequently that a visitor on your website typed a wrong URL or the page user is looking for no longer exists.

    [...]

    In this article we will discuss the third option i.e. How to show your own error page in Django 2.0 project when a URL is not found.

  • Designing custom 404 and 500 error pages in Django

    It happens very frequently that a visitor on your website typed a wrong URL or the page user is looking for no longer exists.

    [...]

    Default 404 error page in django is quite boring. Also creating a custom 404 page in django is very simple.

    So lets see how to create custom 404 error page in django.

  • Top Python Testing Frameworks In 2020 For Selenium Automation

    Python is the fastest-growing programming language in 2019 as per the Developer Survey by StackoverFlow. It even edged past Java in the overall ranking and came out on 2nd as the most loved language only after Rust. One of the several reasons for the popularity of Python is the extensive support of test automation frameworks. Most of the popular Python frameworks are compatible with the Selenium test automation framework and used for automation browser testing & cross browser testing.

  • How To Fix A Bug - Building SaaS #56

    In this episode, we picked an issue from GitHub and worked on it. I explained the flow of using test driven development to show how the bug existed in an automated test. We wrote the test, then fixed the code. After that, we did some test refactoring to clean things up. We looked at what the issue was and how it is related to the handling of the Course model in a weekly view in the app.

  • Lightning Talks Part 2 - Python Language Summit 2020

    When a new coder begins learning Python, the first Python feature they usually see is SyntaxError. In Zac Hatfield-Dodds's experience, novices meet these errors practically as soon as they start typing, and they will spend most of their time over the following months struggling with them. Since experienced programmers rarely encounter syntax errors and easily fix them, the core team has not built very good tooling for them, and the official Python tutorial doesn't cover errors until Section 8. In any case, documentation is not the place to fix novices' user experience, since they don't know where to look for help. The only place to fix it is in CPython.

  • Python Bytes: #181 It's time to interrogate your Python code
  • Insider 2020-05: syslog-ng 3.27; Python HTTP header; DBLD; Sumologic;

    This is the 81st issue of syslog-ng Insider, a monthly newsletter that brings you syslog-ng-related news.

  • Miro Hrončok: IPython-like RPM Lua interactive console

    Naturally, I’ve searched for an IPython like Lua console and I’ve found the list of Jupyter Kerneles (IPython console is a frontend to Jupyter). There are 3 Lua kernels there:

    Lua Kernel (discontinued)
    IPyLua (a fork of the above, not much active either)
    ILua
    ILua intrigued me mostly because it says right away: “Lua-implementation agnostic, should work with any Lua interpreter out of the box.” That’s exactly what I need. Maybe I can use it with rpm --eval "%{lua:rpm.interactive()}".

    Turns out I can, but it’s not that simple. The used Lua interpreter needs to respect the $LUA_PATH environment variable and execute the file given to it as a command-line argument. Naturally, the simplistic rpm --eval "%{lua:rpm.interactive()}" does neither.

»

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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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