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Re: don't repeat yourself / copy and paste programming

Gena Makhomed
November 23, 2011 01:30PM
On 23.11.2011 18:38, Igor Sysoev wrote:

>> даже при 50-100 сайтов неудобно делать много include на каждый сайт,
>> гораздо удобнее все-таки подход "1 сайт == 1 конфигурационный файл".

>> но в этом случае получается много copy/paste и нарушение принципа
>> don't repeat yourself, что приводит к снижению скорости работы
>> администратора по сопровождению такого дублированного конфига.

> Спасибо, я на эти don't repeat yourself насмотрелся. Больше не хочу.
> Нужно критически подходить к приницпам.

все-таки DRY - это достаточно важный принцип, и он соблюдается
даже в исходниках nginx - общие части кода выносятся в макросы
или в отдельные функции, и там нет дублирования через copy/paste.

в конфигах nginx например, директивы "include fastcgi.conf;"
или "include fastcgi_params;" встречаются с той же целью,
насколько я понимаю - избежать лишнего дублирования кода.

мне очень трудно критиковать принцип DRY / SSOT, потому что его
противоположностью является чрезмерное использование copy/paste,
что в случае программирования приводит к т.е. "индусскому коду".

--
Best regards,
Gena

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