#django #orm #interview

- Ushbu tablelar'da foydalangan holatda request.user'ni barcha chat ma'lumotlarini shu holatda bazadan ORM level'da (iloji boricha 1ta surovda) olishga harakat qiling. 🤯

[
    {
        "chat_title": "Chat 1", 
        "preparations": [
            {
                "id": 1, 
                "name": "Preparation 1", 
                "status": "done"
            }
            // ...
        ], 
        "messages_count": 100,
        "unread_messages_count": 4, 
        "last_message_id": 2
    },
    // ...
]

#interview #questions

Yaqinda "Middle Python Dev" uchun chiqarilgan vakansiyamizda interview'da suralgan ba'zi savollar: 😉

* What is through model relationships?
* What Proxy models, when it should use?
* annotate() & aggregate() ?
* select_related & prefetch_related (disadvantage & advantage)?
* defer() & only() ?
* What is select_for_update() & How does it works?
* ContentType, GenericForeignKey, GenericRelation?
* Can you explain "_" and "__" in python clearly for me?
* When we should use @ staticmethod and @ classmethod ?
* What is a MRO on python and how does it works?
* What should we do to help garbage collection?
* What do you understand about the global interpreter lock?
* ExpressionWrapper & F & Cast (django)?
* Threading vs Asyncio vs Multiprocess

p.s) Takrorlab olish ziyon qilmas 🔥 :)

» @davron_coder