Programmer Group

django commonly used Web programs Session mechanism When a user visits the website for the first time, the server of the website will automatically create a Session object, which is equivalent to an identity certificate of the user in the website, and the Session can store the user's data information. When users jump between web pages, the data ...

Knowledge summary of open source web framework django (10) Asynchronous scheme Celery Producer consumer design model reflection: What's wrong with the following two lines of code? CCP().send_template_sms(mobile, [sms_code, 5], 1) return JsonResponse({'code': 0,'errmsg': 'ok'}) Question: Our code is executed synchronously from to ...

Django's operation on the database (addition, deletion, modification and query) 1. Add data 1.save method >>>from entry name.models import Table name to import >>>Variable name = In which table do you want to add the name of the data table( Added data,for example:name = 'Xiao Ming', age = '18' ) >>>Variable ...

Automated testing - RobotFramework framework brief introduction Is a general open source automation framework for acceptance testing, acceptance test driven development (ATDD) and robotic process automation (RPA). It has an easy-to-use table test data syntax and uses a keyword driven test method. Its test function can be extended through ...

Chapter VIII The django Form function is implemented by the Form class, which is mainly divided into two types 1.django.forms.Form 2.django.forms.ModelForm # combines the data form generated by the model The action in the form tab of the form is used to set the route from which the form data submitted by the user should be received and processe ...

preface Over the past few years, I have been struggling in the it industry. Along the way, many have summarized some high-frequency interviews in the python industry. I see most of the new blood in the industry, and I still have all kinds of difficult questions for the answers to all kinds of interview questions or collection Therefore, I dev ...

A Serializer serializer effect: serialize,The serializer converts the model object into a dictionary,after response Later become json character string Deserialization,Send the data sent by the client,after request Later become a dictionary,Serializers can turn dictionaries into models Deserialization,Complete data verification function 1.1 ...

Aggregate query Aggregate query refers to the statistical query of part or all of the data of a field in a data table. Aggregate query is required to query the average price of all books in the book data table and the total number of all books. Whole table aggregation Import method: from django.db.models import* Aggregate function: Sum, Avg, ...

7, Laboratory introduction module The laboratory profile module is mainly used to introduce the laboratory profile and the basic information of other laboratories of the college, mainly including the laboratory profile of Binhai college, public teaching multimedia laboratory, public computer laboratory, professional laboratory of computer scien ...

preface Over the past few years, I have been struggling in the it industry. Along the way, many have summarized some high-frequency interviews in the python industry. I see most of the new blood in the industry, and I still have all kinds of difficult questions for the answers to all kinds of interview questions or collection Therefore, I dev ...