April 2025
Intermediate to advanced
304 pages
7h 41m
Portuguese (Portugal, Brazil)
Content preview from Padrões de arquitetura com Python
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Introdução
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Porque é que os nossos projectos dão para o torto?
O que te vem à cabeça quando ouves a palavra caos? Talvez penses numa bolsa de valores barulhenta, ou na tua cozinha de manhã - tudo confuso e desordenado. Quando pensas na palavra ordem, talvez penses numa sala vazia, serena e calma. No entanto, para os cientistas, o caos é caracterizado pela homogeneidade (semelhança) e a ordem pela complexidade (diferença).
Por exemplo, um jardim bem cuidado é um sistema altamente ordenado. Os jardineiros definem os limites com caminhos e cercas, e marcam os canteiros de flores ou as hortas. Ao longo do tempo, o jardim evolui, tornando-se mais rico e mais denso; mas sem um esforço deliberado, o jardim fica selvagem. As ervas daninhas e as gramíneas sufocam as outras plantas, cobrindo os caminhos, até que, eventualmente, todas as partes voltam a ter o mesmo aspeto - selvagens e sem gestão.
Os sistemas de software também tendem para o caos. Quando começamos a construir um novo sistema, temos grandes ideias de que o nosso código será limpo e bem ordenado, mas ao longo do tempo descobrimos que ele acumula coisas e casos extremos e acaba num pântano confuso de classes de gestão e módulos utilitários. Descobrimos que a nossa arquitetura sensata em camadas se desmoronou em si mesma como uma bagatela excessivamente empapada. Sistemas de software caóticos são caracterizados ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.