Create a PostgreSQL Database in Docker
PostgreSQL is a well-known relational DBMS that provides a variety of features, such as built-i
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Machine learning models
A machine learning model is defined as a mathematical representation of the output of the training p
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Deep learning and Machine learning
Deep learning models are a class of ML models that imitate the way humans process information. The m
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Important files from Django to Fastapi
views => controllers & routersurls => routersserializers => schemasmodels => models
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Deploy Django Project
Step 1: Set Up a Virtual Private Server (VPS)Choose a VPS provider and create a server instance.Conf
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retrieve method in Viewsets
def retrieve(self, request, *args, **kwargs):
instance = self.get_object()
serialize
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use paginate and filters in list method
To apply the filter_backends, filterset_class, ordering_fields, serializer_class, and pagination_cla
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show “on” or “off” icons for calculated
boolean fields
@admin.register(Hero)
class HeroAdmin(admin.ModelAdmin):
list_display = ("name", "is_immortal",
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run script in django
1) write in terminal:export DJANGO_SETTINGS_MODULE=mysite.settings
2) use this code first line of sc
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Dump & Restore postgres
To dump a PostgreSQL database located at a specific IP address and restore it to a new database, you
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Start Neo4j
Neo4j provides drivers which allow you to make a connection to the database and develop applications
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Custom Exception
importsfrom rest_framework.exceptions import PermissionDenied
from rest_framework import status
defi
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Pagination in django
Example code:from rest_framework.pagination import PageNumberPagination
from rest_framework.response
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Differences between
has_object_permission and has_permission
We have following two permission methods on BasePermission class:def has_permission(self,
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Data Visualization
Before jumping into the term “Data Visualization”, let’s have a brief discussion on the term “Data S
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Aggregating and Annotating Objects
The Django web framework includes a default object-relational mapping layer (ORM) for inte
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image base64 encoded
# with open(str(MEDIA_ROOT)+'/pdf/background.png', 'rb') as image_file: # encoded_backgro
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Context in Views
In Django REST Framework, the `APIView` class and the `ModelViewSet` class handle the context dictio
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connect to postgresql db
Here are a few steps you can take to resolve connect to db with another IP:Verify the PostgreSQL ser
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API-View vs View-Set in drf
In Django REST Framework (DRF), you can choose between `APIView` and `ViewSet` depending on your spe
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Setup PostgreSql
To create a database and an owner with a password in PostgreSQL, you can follow these steps:1. First
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Access PostgreSQL-DB server on local
To access and use your PostgreSQL database on your local machine, you will first need to ensure that
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Popular methods in Serializer file
In Django, serializers are used to convert complex data types, such as Django model instances, into
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Aggregate in Django
# response_work_projects = [] # for report in report_statics: # workpertea
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Permissions In Django
1) Custom PermissionsTo create custom permissions for a given model object, use the permissions
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In Django, filed lookups
In Django, field lookups are used to perform queries on model fields to retrieve specific data from
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Reverse lookup in Django
In Django, reverse lookup refers to the process of accessing related objects in a database relations
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Aggregating and Annotating Objects in
Django
OverviewThe Django web framework includes a default object-relational mapping layer (ORM)
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ViewSets & APIViews in Django
In Django, you can use either ViewSets or APIViews to create APIs for your web application. Here are
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Supervised vs Unsupervised vs
Reinforcement
Machine Learning is a part of Computer Science where the efficiency of a system improves itself
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