model - Related information

• Problems associated with laravel model

  user table and role table have many-to-many relationship, and the middle table is user_roles. many-to-many relationships are defined in the user model class public function relRole(){ return $this->belongsToMany( App Model Role , ...

  Model laravel php

  Apr.01,2022
• The problem of laravel correlation Model

  I just started to learn the association model of laravel, and I was so confused that sometimes I really felt that it was not as convenient as writing sql directly. now there is a problem role tables admin_roles and admin_permissions tables have a man...

  Model laravel

  Mar.24,2022
• Nesting of laravel Gate privilege association model

  when using larave s gate for permission verification Admin_users (user table) Admin_roles (role table) Admin_permissions (permissions table) are many-to-many relationships first, register gate in App providers AuthServiceProvider $permissions=Admin...

  Laravel gate privilege-control model

  Mar.24,2022
• When Laravel uses the $appends of the model modifier, faker cannot be used to generate fake data

  version: laravel 5.7 when using the $appends attribute of the model modifier to add elements and using faker to generate false data, an error is reported: Unknown column sex_str Model related code: $factory->define( App Models User::cl...

  Php laravel model factory

  Nov.17,2021
• Django model two fields in a table set foreign keys refer to two fields in another table

  class products (models.Model): MODE_CHOICES=(( week , ),( day , )) productname=models.CharField(max_length=30,unique=True) dutymode=models.CharField(max_length=30,choices=MODE_CHOICES,default= week ) class dutygroups (models.Model): pro...

  Model django-rest-framework python

  Mar.29,2021
• The rookie asked: how to understand the training in machine learning?

  what is the meaning of the "training algorithm " in the figure below? For example, the KNN algorithm mentioned below is not a function, something determined by routines? Why train? ...

  Model knn algorithm machine-learning

  Mar.18,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b32e71-40e92.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b32e71-40e92.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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