Davronbek SWE πŸͺ
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- Loyihalardagi xatoliklar va ularni xal qilishdagi ba'zi tavsiyalarni ulashib boraman.

Don't be shy, say hi πŸ‘‹ | @firdavs_dev | davronbekdev.uz
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Turing interview questions: πŸ€”

p.s) o'zingizni sinab ko'ring, va mavzularni code example orqali qayta takrorlab olishni maslahat bergan bo'lar edim πŸ‘Œ

* What is the difference between a Python module and a package?
* What is purpose of Single underscore variable on Python?
* What is the difference between static and class methods?
* Why are the full values shared between 2 objects or more objects?
* What is a MRO on python and how does it works?
* Describe the understanding about the python garbage collection.
* What should we do to help garbage collection?
* What do you understand about the global interpreter lock?
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Docker | 403 Forbidden


Since Docker is a US company, we must comply with US export control regulations. In an effort to comply with these, we now block all IP addresses that are located in Cuba, Iran, North Korea, Republic of Crimea, Sudan, and Syria. If you are not in one of these cities, countries, or regions and are blocked, please reach out to https://hub.docker.com/support/contact/


p.s) Bu kabi xatolik bilan bugun lichkaga 4, 5 kishi yozishgan edi πŸ˜• ... (urush urush - siyosat siyosat)

Solution: https://t.me/software_engineers_group/4830

More: https://habr.com/ru/news/818177/
#tavsiya

- Bazida toshkentda o'ziz izlagan texnalogiyaga oid kitoblarni sifatliroq varyantini topish qiyin bo'ladi. πŸ€”

- Bu kitoblarni PDF varyantlari ham bor lekin man kabi "old school"lar uchun kitob varyanti o'zgacha bo'lsa kerak πŸ˜‰

Dante.uz - dan bazi kitoblarni topshingiz mumkin (tekin reklama) πŸ‘Œ

p.s)Katta hajmdagi kitoblarning razmeriga etibor bering! 🚫 (siz qayerdan xarid qilasiz bu kabi kitoblarni? ⬇️)
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To'lov tizimlari uchun integratsiya. Payme, Click va boshqa turdagi tizimlarga qanday ulaniladi?

https://diary.manu.uz/blog/tolov-tizimlari-uchun-integratsiya-payme-click-va-boshqa-turdagi-tizimlarga-qanday-ulaniladi.htm

@yetimdasturchi
Question πŸ€”

- Sizda News degan model bor va List and Detail API chiqarishingiz kerak. Bunda List va Detail API'lar bir nechta filed'lar bilan farq qiladi holos.

- Bu holat uchun siz serizalizer'ni qanday yaratasiz? πŸ€”

p.s) Kechroq o'z varyantimi tashlayman )
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Davronbek SWE πŸͺ
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#tip πŸ“Œ

* DynamicFieldsModelSerializer yaratish orqali loyhalargizdagi serializer’larni 1ta class orqali yaratishingiz va kerak bo’lgan field'larni view uzidan serializer'ga attribute sifatida berib qabul qilishingiz mumki bo’ladi. βœ”οΈπŸ‘Œ


Β» @davron_coder
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Interview'da berilgan task'lardan πŸ”’

✳️ [2, v] Oraliqdagi tub sonlar sonini hisoblash uchun veb-service yarating.

Masalan: url/?v=10

‼️ Faqat aiohttp va asyncio foydalaning (ortiqcha hech qanday kutubxona, framework'larsiz)

p.s) Sizga ham bu task berilib qolishlari mumkin πŸ€·β€β™€

Talablar πŸ‘ˆ
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Django 5 By Example book

Endi Django loyihalar qilishni boshlaganlar va resume uchun loyiha qilayotganlar uchun ajoyib kitob.

Menga yoqan mavzular:

- eLearning Platform (chapters 12-17)
- Ecommerce Application (chapters 8-11)
.
.

ads) Kitobni PDF varyantini olish πŸ“šπŸ˜

More: https://github.com/firdavsDev/Django-5-By-Example
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Xavfsizlik next level. πŸ€¦β€β™‚οΈ

Yaqinda Nest.Js(ts) da qilingan loyha topshirishgan edi. Undagi oddiy login qismi biroz hayron qoldirdi πŸ˜•

Frontend foydalanuvchi kiritgan password’ni sha256'da hash’lab backend’ga yuborar edi va backend uni bazada bcryt.hash() da hashlanib saqlangan parol bilan compare qilib tekshirar edi.

Savol. Frontend nega parolni sha256 da yuborgan va uni backenda bcryt.hash() lab tekshirgan deb uylaysiz ?! πŸ‘‡ (erkin fikrlar)
Yangi hobby topdim. #Flutter

Qiziqarli narsa ekan )
Negadir Mobile Programming ga qiziqishim ortdi! (hh.uz πŸ’°)

Hozirchalik shunchaki sample projectla. Oldinlar Sketchware degan dastur orqali qiziqishga 2, 3 da mobile apk yozib kurilgan edi:
- https://t.me/davron_coder/104
- https://t.me/davron_coder/101
- https://t.me/davron_coder/67
- https://t.me/davron_coder/14
- https://t.me/davron_coder/13
- https://t.me/davron_coder/12
- https://t.me/davron_coder/11

Bekorchilik)
#Savol

- Qanday qilib bajaralayotgan taskni realtime'da progress foizlarda kursatib turish mumkin?🀯

Example:
- [2 - 3 000 000] gacha bulgan sonlar orasida nechta tub sonlar mavjudligini hisoblavchi web task'ni necha foizi bajarilgani qanday qilib realtime'da userga ko'rsatib turish mumkin?

p.s: Bu file upload progress'ga uxshashroq bo'ladi. πŸ‘Œ

Erkin fikr idea'lar ? πŸ‘‡
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chmod vs chown

p.s) Bilib quysa ziyon qilmaydi. (takrorlab olish hamπŸ˜‰)

More: https://askubuntu.com/questions/918379/what-is-the-main-difference-between-chmod-and-chown

Video πŸ‡ΊπŸ‡Ώ : https://youtu.be/PcoP1mykdEs?si=08uOI-O4fKa8JENi&t=2369
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Let’s Build A Web Server.

p.s) Texnalogiyalarni 0 dan qurishga harakat qilganizda, ko'plab savolarizga javob topib boraverasiz ekan )

* BUILD YOUR OWN X

More: https://ruslanspivak.com/lsbaws-part1/
Django'dagi N+1 haqida ko'p eshitganmiz πŸ₯Ί

Masalan:
1 - rasmda Option'ga references bog'liq bo'lgan question title'ga olishda bu sodir bulmoqda deyishimiz mumkin.

πŸ’‘ Prefetch_related / select_related django ORM'dagi mu methodlarni chuquroq o'rganib chiqish ham tavsiya etiladi

p.s) Prefetch_related / select_related shunchalik yaxshi narsami? Bularda kamchilik, minuslari bormi ? πŸ€” (https://chatgpt.com/share/30eb7a6e-fcab-4751-b110-ce6bac6d5cd1)

Fikr, idealar πŸ‘‡ πŸ“

More: https://dev.to/mubtadaali/tips-and-tricks-for-optimizing-the-performance-of-django-orm-8pg
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Developing an Asynchronous Task Queue in Python


How to implement several asynchronous task queues using Python's multiprocessing library and Redis. ❓


p.s) Tasklar bilan ishlashda ham Queue'lar ancha foydali bo'la oladi. πŸ‘Œ

More: https://testdriven.io/blog/developing-an-asynchronous-task-queue-in-python/
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#django #pdf #qrcode

Bazi loyhalarda saqlangan .PDF fayl ichiga usha .PDF fayl turgan linkni QRCode qilib joylashtirish zarur bo'ladi. πŸ“‘

Bunda odatda:
1) .PDF fayl generate qilish.
2) Generate bo'lib saqlangan .PDF fayl path'dan QrCode generate qilish
3) Yaratilgan QrCode faylni berilgan cordinatalar asosida .PDF filega joylsahtirib, .PDF faylni qayta saqlab
4) PDF faylni path'ni file model field'ga berib saqlash ham zuru buladi πŸ˜“πŸ€§

⚠️ Bazi loyhalarimda oldin ishlatgan hard coding varyantim bilan ulashaman, bu borada sizga foydasi tegib qolishi mumkin:

* https://gist.github.com/firdavsDev/873c71a44546c8630060f232ece3f367

p.s) Siz qanday varyantlarni qulagansiz bu borada? πŸ‘‡ πŸ“


Β» @davron_coder
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