June 2018
Beginner to intermediate
240 pages
3h 54m
Russian
Content preview from Алгоритмы и структуры данных. Извлечение информации на языке Java
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Глава 14. Сохраняемость
специальных методов, например hincrBy, которые обрабатыва-
ют значения как целые числа:
jedis.hincrBy("myhash", "word2", t);
Этот метод обращается к myhash, получает текущее значение,
связанное с word2 (или 0, если оно еще не существует), увели-
чивает его на 1 и записывает результат обратно в hash.
Методы set, get и инкремент записей в hash выполняются за
постоянное время.
Узнать больше о типах данных Redis можно на сайте http://
thinkdast.com/redistypes.
Упражнение 11
На данном этапе у вас есть информация, необходимая для
создания индекса веб-поиска с хранением результатов в базе
данных Redis.
Теперь запустите ant JedisIndexTest. Тест не будет выполнен
успешно, поскольку вам нужно поработать!
JedisIndexTest проверяет следующие ...
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