# Общие сведения

- [Проблемы и их решение](https://docs.johncms.com/10.0/obshie-svedeniya/problemy-i-ikh-reshenie.md)
- [Конфигурационные файлы (configs)](https://docs.johncms.com/10.0/obshie-svedeniya/konfiguracionnye-faily-configs.md)
- [Шаблоны электронных сообщений (email)](https://docs.johncms.com/10.0/obshie-svedeniya/shablony-elektronnykh-soobshenii-email.md)
- [Отправка электронной почты (email)](https://docs.johncms.com/10.0/obshie-svedeniya/otpravka-elektronnoi-pochty-email.md)
- [Работа с уведомлениями](https://docs.johncms.com/10.0/obshie-svedeniya/rabota-s-uvedomleniyami.md)
- [Работа с запросом (Request)](https://docs.johncms.com/10.0/obshie-svedeniya/rabota-s-zaprosom-request.md)
- [Дата, время, часовые пояса](https://docs.johncms.com/10.0/obshie-svedeniya/data-vremya-chasovye-poyasa.md)
- [Валидация](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya.md)
- [NotEmpty - Не пустое значение](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya/notempty-ne-pustoe-znachenie.md)
- [StringLength - длина строки](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya/stringlength-dlina-stroki.md)
- [LessThan - Менее чем](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya/lessthan-menee-chem.md)
- [EmailAddress - Проверка email адреса](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya/emailaddress-proverka-email-adresa.md)
- [ModelExists - Проверка существования записи в БД](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya/modelexists-proverka-sushestvovaniya-zapisi-v-bd.md)
- [ModelNotExists - Проверка отсутствия записи в БД](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya/modelnotexists-proverka-otsutstviya-zapisi-v-bd.md)
- [Csrf - Проверка токена](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya/csrf-proverka-tokena.md)
- [Flood - проверка на флуд](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya/flood-proverka-na-flud.md)
- [Ban - Проверка банов](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya/ban-proverka-banov.md)
- [Captcha - Проверка защитного кода](https://docs.johncms.com/10.0/obshie-svedeniya/validaciya/captcha-proverka-zashitnogo-koda.md)


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