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Code Editor : FAQ

Frequently Asked Questions
--------------------------

Why use man-db instead of man?
==============================

The man (currently http://primates.ximian.com/~flucifredi/man/) and man-db
packages forked from a common code base in the mid-1990s.  The original goal
of man-db was, as indicated by the name, to add database caching to manual
page searches.  The increase in computer performance has considerably
outpaced the growth of manual page collections, so some people now ask what
the point is of using man-db rather than man.

These days, the database is indeed not such an important difference between
man-db and man, but there are several other areas where man-db does a
significantly better job than man:

* Internationalisation

man uses the obsolete catgets system for translations of the messages
    emitted by its programs, which cannot deal with the user using a
    different output encoding (e.g. UTF-8) from that provided by the
    translators.  man-db uses gettext, which is more correct and robust.

In order to support many cases of non-English manual pages, man requires
    manual hardcoding of iconv pipelines (or similar) and *roff device names
    in its configuration file, and cannot operate correctly in environments
    involving a variety of encodings.  man-db handles all this out of the
    box.

* Security and code quality

Security matters because both man and man-db can be installed setuid to
    a special user, and also because man is sometimes used in semi-trusted
    or untrusted contexts, such as from CGI scripts.

Both man and man-db spend a lot of time calling external programs, often
    in pipelines.  man does so by assembling strings which it then feeds to
    the shell; this approach is nowadays well-known to be fragile and prone
    to security vulnerabilities.  man-db has been redesigned from top to
    bottom to have safe and correct command execution, using a special
    "libpipeline" library.

* Performance

Happily, dealing with manual pages is not normally a
    performance-critical task these days; manual pages can normally be found
    and rendered comfortably within expected interactive response times.
    However, there are a few cases that are still more difficult, such as
    'man -K' to perform a full-text search on all manual pages.  Neither man
    nor man-db includes a proper full-text search engine, but there is
    nevertheless a significant performance difference here: man-db performs
    this search at least three times as quickly as man, and in some cases
    much better than that.  (On the test system, man took five minutes to
    search all manual pages, severely degrading interactive performance of
    the rest of the system for that time; man-db took around 40 seconds.)

* Maintenance

At the time of writing (February 2012), man-db has had ten full releases
    since the start of 2008 with substantial feature work, while man has had
    one release with a few minor changes.

I have great respect for the people who maintain man, but as a project it
has fallen badly behind.  Rather than continuing to struggle along with
complicated patch sets, those distributions that still use man would
probably be better off switching to man-db.

WordPress › Настройка файла конфигурации

WordPress

WordPress приветствует вас. Перед началом работы вам следует узнать о следующем.

Имя БД
Имя пользователя базы данных
Пароль к базе данных
Хост БД
Префикс таблиц (если вы хотите запустить более чем один WordPress на одной базе)

Эта информация требуется для создания файла wp-config.php. Если по какой-то причине автоматическое создание файла не удалось, не волнуйтесь. Всё это предназначено лишь для заполнения файла настроек. Вы можете просто открыть wp-config-sample.php в текстовом редакторе, внести вашу информацию и сохранить его под именем wp-config.php. Нужна дополнительная помощь? Прочитайте статью поддержки на wp-config.php.

Скорее всего, эти данные были предоставлены вашим хостинг-провайдером. Если у вас нет этой информации, свяжитесь с их службой поддержки. А если есть, то можно продолжать…

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