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Documentation for 4D developers
Getting Started
Installation
4D at a glance
Release Notes
Project & IDE
Creating or opening a project
Architecture
Project Settings
Database structure
Code & Methods
Dependencies
Compilation
Application Builder
Debugging
Application Preferences
4D Language
Concepts
Commands by name
Commands by theme
Classes
Core Development
ORDA
Processes
Database Methods
Transactions
Transformation tags
Date and Time Formats
Web Applications
4D Qodly Pro
Web Server
REST Server
Desktop Applications
Client/Server
Forms
Menus
Labels
User Settings
Access Rights
Server & Admin
4D Server Window
WebAdmin & Data Explorer
Command Line Interface
TLS
Licenses
Log Files
Maintenance and Security Center
Backup and Restore
Extensions
Extending 4D applications
4D Qodly Pro
4D View Pro
4D Write Pro
4D NetKit
4D AIKit
4D Progress
4D SVG
4D Widgets
4D QPDF
Go Mobile with 4D
4D Mobile App Server
Build4D
Documentation for 4D developers