How to save a result of multiplication

Hi everyone i build a web application in Django 3.1.7 and i try to do the next opeation(multiplication). in my models a have: class Articles(models.Model): quantity = models.PositiveIntegerField() cost_buy = models.DecimalField(max_digits=10, decimal_places=2) total_todo =

Try to save multiple files using a one to many fields django

hello everyone, i working in my inventory django app, in this project i try to create a new area and in to each area has a posible to save multiples pdf. so, when i try to save pdf in some new area have this error in terminal ''' django.db.utils.IntegrityError: null value in column

Re: multiplying two fields

eld=FloatField('result'), >> >> contains a type for the field "cost_buy" (i.e. not "coust_by"). >> >> If that isn't it please give us the traceback. >> >> On Fri, Jan 29, 2021 at 8:50 PM jose angel encinas ramos < >> encinasj.an...@gmail.com>

multiplying two fields

Guys gd evening I need help,really i don't kwnow how to do a multiply two fields, have a model called Articles. class Articles(models.Model): #models article Nuevo = 'Nuevo' Semi_nuevo = 'Semi_nuevo' Usado = 'Usado' Otros = 'Otros' STATE_ACTUAL = ( (Nuevo, 'Nuevo'), (Semi_nuevo,'Semi_nuevo'),

Re: How can I multiply 2 or more fields in django views or models

to you think  On Mon, Jan 4, 2021 at 2:06 PM Ayser shuhaib wrote: > Nothing wrong with the query, the problem is that you are trying to > multiply two values of a different type. > You can fix that by converting the smallInteger value to decimal. > > On Mon, 04 Jan 2021 at 23:01, jos

Re: Django for beginers

this is the documentation, is very useful https://docs.djangoproject.com/en/3.0/ https://www.valentinog.com/blog/drf/ El mié., 8 ene. 2020 a las 18:08, KULDEEP SHARMA (< onshadeeprmaald1...@gmail.com>) escribió: > How and where can we find the Django doc. And how can we llink Python with >

Re: good day guys

Buenas tardes, ya creaste un super usuario en django?, creo que te hace falta correr python manage.py makemigrations despues python manage.py migrate intenta eso El mié., 4 dic. 2019 a las 17:10, Tosin Ayoola () escribió: > halo guys, i'm working on a school management system that has multi

tengo un problema a la hora de hacer deploying django app to heroku

mas que nada el poblema que tengo es técnico , el detalle es que cuando escribo en la terminal git push heroku master me lanza el siguiente error y no entiendo cual es el error. (webapps) ➜ BuscadorTims git:(master) ✗ git push heroku master Counting objects: 221, done. Delta compression using