yovko

ZSH (using Oh My ZSH) on Manjaro Linux

0. If ZSH is not already installed on your Manjaro system you can do it with the command:

sudo pacman -Syu zsh

You do not need to install manjaro-zsh-config and all the other related packages like zsh-syntax-highlighting, zsh-history-substring-search, zsh-autosuggestions, etc., as we will use Oh My Zsh.

Susensio

Python @property inheritance the right way

Given a Parent class with value property, Child can inherit and overload the property while accessing Parent property getter and setter.

Although we could just reimplement the Child.value property logic completely without using Parent.value whatsover, this would violate the DRY principle and, more important, it wouldn't allow for proper multiple inheritance (as show in the example property_inheritance.py bellow).

Two options:

• Child redefines value property completely, both getter and setter.

benctamas

from django.db import models
from django.db.models.query import QuerySet

from django.utils.functional import memoize

_class_mapper_cache = {}
def class_mapper(model):
    proxy_for = model._meta.proxy_for_model or model
    mapper = dict([ (getattr(m, m.CLASS_MAP_ATTR), m) for m in models.get_models() if issubclass(m, proxy_for) and m != proxy_for])
    return mapper