Tag: Coding

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    Static sites with Jekyll in Ubuntu

    Setup Ruby Remove the default Ubuntu install, otherwise you’ll get an error You don’t have write permissions for the /var/lib/gems/3.x.x Directory and configure Ruby to install gems to a folder in your home. Create a new project Edit project Jekyll has excellent documentation, the step-by-step guide will get you up to speed. In a pinch, […]

  • Expo on Codespaces

    What will I need? How long will it take? About ten minutes. Lets give it a go! Create a new Codespace using the blank template: Once initalised, create an empty Expo React App (select (y)es when prompted): Install the expo-cli command line tool globally: Change into your example project’s folder and edit App.js, maybe adding […]

  • Metro not starting automatically on Ubuntu

    Expected behaviour: Should launch Metro and an Android emulator but Metro is not launched. Manually launching metro works:

  • Rainbows, decorators arguments & threads

    Playing with Rainbow Hat I learned a few things about Python as a result I found out what a decorator is, the difference between args and kwargs and threads. I also learned that a lot of guides don’t understand either. If you can’t explain it simply, you don’t understand it well enough 1. Decorators Rainbow […]

  • Python List Comprehension

    I’ve been spending time with Python recently and am beginning to really like some of the language’s features. List comprehension creates a list by evaluating an expression on each item in each list, from left to right. It combines an expression and a loop: Apply a condition : It’s useful for combining lists: Pimoroni’s Rainbow Hat […]

  • Using Threading rather than Thread

    In an earlier post, I used Threads but the thread module in Python when I should be using threading. The documentation for threading says it builds upon the thread module (renamed _thread): This module provides low-level primitives for working with multiple threads (also called light-weight processes or tasks) — multiple threads of control sharing their global data […]

  • Python’s with statement

    Managing resources usually involves three steps – allocating, using, and releasing. You’re familiar with the try… finally pattern but Python also provides context managers.