How to

Here is a useful code that you can use in your applications:

• How to install Jam.py on Windows
  • Install Python
  • About pip
  • Setting up a virtual environment
  • Install Jam.py
  • Common pitfalls
• How to implement a many-to-many relationship
• How to migrate development to production
  • New project migration
  • Existing project migration
  • Importing metadata with the http server process shutdown
  • Importing metadata without the http server process shutdown
• How to migrate to another database
• How to deploy
  • How to deploy project on PythonAnywhere
  • A step-by-step guide to deploy a Jam.py on the AWS
  • How to deploy jam-py app at Linux Apache http server?
  • How to do with Nginx with Gunicorn?
• How do I write functions which have a global scope
• How to validate field value
• How to add a button to a form
• How to execute script from client
• How to change style and attributes of form elements
• How to create a custom menu
• How to append a record using an edit form without opening a view form?
• How to prohibit changing record
• How to link two tables
• How change field value of selected records
• How to save edit form without closing it
• How to save changes to two tables in same transaction on the server
• How to prevent duplicate values in a table field
• How to implement some sort of basic multi-tenancy? For example, to have users with separate data.
• Can I use Jam.py with existing database
• How can I use data from other database tables
• How I can process a request or get some data from other application or service
• How can I perform calculations in the background
• Is it supported to have details inside details?
• Export to / import from csv files
• Authentication
  • How to authenticate from custom users table
  • How to create registration form
  • How to give user ability to change the password