Use "union()" on Django QuerySets to combine records from two or more QuerySets and return a new QuerySet containing all unique records.
Для объединения записей из двух или более QuerySets и возврата нового QuerySet, содержащего все уникальные записи, используйте оператор "union()" для Django QuerySets. Это эквивалентно оператору SQL UNION и работает на уровне базы данных.
Use "union()" on Django QuerySets to combine records from two or more QuerySets and return a new QuerySet containing all unique records.
Для объединения записей из двух или более QuerySets и возврата нового QuerySet, содержащего все уникальные записи, используйте оператор "union()" для Django QuerySets. Это эквивалентно оператору SQL UNION и работает на уровне базы данных.
Telegram’s stand out feature is its encryption scheme that keeps messages and media secure in transit. The scheme is known as MTProto and is based on 256-bit AES encryption, RSA encryption, and Diffie-Hellman key exchange. The result of this complicated and technical-sounding jargon? A messaging service that claims to keep your data safe.Why do we say claims? When dealing with security, you always want to leave room for scrutiny, and a few cryptography experts have criticized the system. Overall, any level of encryption is better than none, but a level of discretion should always be observed with any online connected system, even Telegram.
The seemingly negative pandemic effects and resource/product shortages are encouraging and allowing organizations to innovate and change.The news of cash-rich organizations getting ready for the post-Covid growth economy is a sign of more than capital spending plans. Cash provides a cushion for risk-taking and a tool for growth.
