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11th Week of 2022

Coding

Python

Pytest

  • New: Run tests in a random order.

    pytest-random-order is a pytest plugin that randomises the order of tests. This can be useful to detect a test that passes just because it happens to run after an unrelated test that leaves the system in a favourable state.

    To use it add the --random-order to your pytest run.

    It can't yet be used with pytest-xdist though :(.

Pydantic

  • New: Use mypy pydantic's plugin.

    If you use mypy I highly recommend you to activate the pydantic plugin by adding to your pyproject.toml:

    [tool.mypy]
    plugins = [
      "pydantic.mypy"
    ]
    
    [tool.pydantic-mypy]
    init_forbid_extra = true
    init_typed = true
    warn_required_dynamic_aliases = true
    warn_untyped_fields = true
    

HTML

  • New: Sum up the W3 HTML tutorial.

CSS

  • New: Sum up the W3 CSS tutorial.

DevOps

Monitoring

AlertManager

Operative Systems

Linux

Linux Snippets

  • New: Clean old kernels.

    The full command is

    dpkg -l linux-* | awk '/^ii/{ print $2}' | grep -v -e `uname -r | cut -f1,2 -d"-"` | grep -e [0-9] | grep -E "(image|headers)" | xargs sudo apt-get -y purge
    

    To test what packages will it remove use:

    dpkg -l linux-* | awk '/^ii/{ print $2}' | grep -v -e `uname -r | cut -f1,2 -d"-"` | grep -e [0-9] | grep -E "(image|headers)" | xargs sudo apt-get --dry-run remove
    

    Remember that your running kernel can be obtained by uname -r.


Last update: 2022-03-21