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Engineering Notes

Engineering Notes

@boboshersnotes

Kanalda asosan backend engineeringga oid postlar yozib boriladi.

Ba'zi postlarda xatoliklar bor.
Postlar foydali bo’lgan bo’lsa adminni duo qilib qo’ying. Rahmat.

Contact: @Bobosher_Musurmonov
LinkedIn: https://www.linkedin.com/in/bobosher-musurmonov
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Post #123 349

Forwarded from Bobosher Musurmonov

id larni yig'masdan Category objectlarni o'zi bilan ishlasangiz ham bo'ladi.
Post #119 336

Forwarded from Azizbek Xushnazarov

Assalomu alaykum. bitta narsani query qiliw kerak. yordam berolasmi.

BaseCategory
-category1
-category2
-category3

Product1 category1 ga kiradi.
menga product1 orqali category2 va category3 dagi productlarni olish kerak.

categroy1.parent desa BaseCategory ni beradi.

BaseCategory.subcategories desa sub categoriyalar ni beradi.
Post #118 590
  • 😁 2
Post #117 559
Mana nima sabab bo'lgan:
Mark Zuckerberg:
Post #114 340

Forwarded from Bobosher's blog | #FreePalestine

Ba'zi dasturchilar:

CREATE TABLE girlfriend (
id BIGINT PRIMARY KEY,
name VARCHAR
);



Yana o'sha dasturchilar:

ERROR: bigint out of range.

Tushungan tushundi :-)

#uz #fun
  • 👍 2
Post #110 370

Forwarded from ㅤㅤㅤㅤㅤㅤ

Misol ucun A konsert 250ta joy bor oshandan joyni tanlab sotib olsa boladi.
Korvotgan bosela unique true qilib quyganma sitlarni.
Hozir man B konsert yaratdim undayam 250ta joy bow boliwi kk manda unaqa bomayapdi.
A konsert de egallangan joylar ham korinvotti B da nima qilsam boladi
Post #109 360

Forwarded from ㅤㅤㅤㅤㅤㅤ

Wu model.
Bunda ticket har bir yangi news ucun yangittan ociliwi kk
Post #108 360

Forwarded from ㅤㅤㅤㅤㅤㅤ

Post #106 749
Bir tanishim kursdoshlari bilan ingliz tilidagi ajoyib manbaani o'zbek tiliga tarjima qilishibdi.

Hali o'zim ham deyarli o'qimadim, lekin meni o'ziga tortdi. Bu yerda yaxshi coder software engineer bo'lish uchun talab qilinadigan bilimlar haqida va gigant kompaniyalarning interviewlariga qanday tayyorlanish haqida yozilgan ekan.
Qiziqqanlar uchun maqolaning originaliga link ham bor.

https://github.com/jwasham/coding-interview-university/blob/main/translations/README-uz.md

Tarjima mualliflaridan birining kanali:
@py_notes_uz
GitHub coding-interview-university/translations/README-uz.md at main · jwasham/coding-interview-university A complete computer science study plan to become a software engineer. - jwasham/coding-interview-university
Post #105 347

Forwarded from Bobosher Musurmonov

buni bunday yozishingiz ham mumkin edi:

def createOrder(request):

if request.method == 'GET':
form = OrderForm
context = {'form': form}
return render(requst, <template>, context)

if request.method == 'POST':
...
return redirect('/')
Post #104 340

Forwarded from Bobosher Musurmonov

User pagega kirgan vaqtida GET request yuborib pageni qabul qilib oladi.
Bunda form = OrderForm() degan joyi ishlab, keyingi if ishlamaydi(sababi, bizda GET request). Natijada form contextga qo'shilib, userga response qilib yuboriladi.
Demak, biz userga bo'sh form yubordik. Shu bilan birinchi request tugadi.

Endi user formni qabul qilib olgach, kerakli joylariga ma'lumot kiritib, submit qiladi.
Form action bosh turgani uchun submit qilingan natija ham shu urlga keladi, faqat bu safar POST request bo'lib.
Endi if blokining ichi bajariladi. OrderFormga bizga kelgan request ichidagi ma'lumotlarni kiritsak, u bizga python object qaytaradi. is_valid() methodi orqali esa u bizning so'ragan model classimizga(form class yozayotganda kiritgan) to'g'ri kelish yoki kelmasligi tekshiriladi. Agar to'g'ri kelsa, demak, u xavfsiz. save orqali uni databasega saqlab, bizni kutib turgan userni main pagega jo'natib yuborayapmiz.
Post #103 335

Forwarded from Mujohiddin Khamolov

shu jarayondi oddiy qilib tushuntrib berdin tushindim lekin toliq anglab yetmadim iloji bolsa
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