Podlodka #464 – Хэш-таблицы - Podlodka Podcast

What this episode covers

Хэш-таблицы – одна из самых элегантных структур данных: простая на поверхности и бесконечно глубокая внутри. Андрей Аксенов — автор поискового движка Sphinx, разбирает их устройство от фундамента до тонкостей реализации. В выпуске обсуждаем два подхода к разрешению коллизий: Open addressing и Buckets, выбор хэш-функций для разных задач, развенчиваем популярные мифы вроде "load factor больше 0.5 – это смерть". Разбираемся, нужны ли криптографические хэш-функции, когда имеет смысл писать свою хэш-таблицу и почему скорость хэш-функции не всегда благо. Выпуск для тех, кто хочет понимать, что происходит под капотом стандартных коллекций, и для тех, кто задумывается о собственных реализациях. Также ждем вас, ваши лайки, репосты и комменты в мессенджерах и соцсетях!  Telegram-чат: https://t.me/podlodka Telegram-канал: https://t.me/podlodkanews Страница в Facebook: www.facebook.com/podlodkacast/ Twitter-аккаунт: https://twitter.com/PodcastPodlodka Ведущие в выпуске: Стас Цыганов, Евгений Кателла Полезные ссылки: Telegram-канал Андрея https://t.me/shodanski Личный Telegram https://t.me/shodanium

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Frequently Asked Questions

How long is this episode of Podlodka Podcast?

This episode is 1 hour and 42 minutes long.

When was this Podlodka Podcast episode published?

This episode was published on February 16, 2026.

What is this episode about?

Хэш-таблицы – одна из самых элегантных структур данных: простая на поверхности и бесконечно глубокая внутри. Андрей Аксенов — автор поискового движка Sphinx, разбирает их устройство от фундамента до тонкостей реализации. В выпуске обсуждаем два...

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