Comparison with an Undefined Value
Since the appearance of ORDA, classes, and other objects, you must work increasingly with undefined values. Since some of you are asking for an easie...
April 27, 2023
1 min read
4D Language
Design application logic with strong typing, object oriented principles, structured error handling, and modular class architecture. Write clear, maintainable code that works consistently across desktop, web, REST, and client server environments.
New Built-in Websocket Server
In an increasingly connected world, websites or IoT applications must be updated in real-time. A way to deliver information instantly to your sites i...
April 27, 2023
1 min read
Object and Collection Literal Initializer
In your code, objects and collections can be instantiated using New object and New collection commands. However, starting from 4D v20, a more conveni...
April 26, 2023
1 min read
New Handy Functions for Collections!
The functions associated with collections were introduced with 4D v16 R6 and have evolved with the possibility to use formulas for some of them, like ...
April 25, 2023
1 min read
Catch errors everywhere
Error management is often a constraining part of development in all languages. In 4D, if you forget to call an error-handling method in a new process/...
February 6, 2023
1 min read
VS Code Extension: Code Completion
A new release, a new VS Code extension feature. 4D v19 R8 brings a new capability to the Visual Studio Code editor through the 4D-Analyzer extensio...
January 13, 2023
1 min read
VS Code: Go To Definition & Signature Help
4D v19 R6 brought the support of external source code editors (e.g., Visual Studio Code), allowing them to handle 4D code and provide them with standa...
October 19, 2022
1 min read
Latest Improvements of the HTTP Client
With 4D v19R6, we brought you a new way to perform HTTP requests: HTTP classes. At that time, some of the HTTP classes functionalities were not final,...
October 18, 2022
1 min read
Visualise your Classes Component in the Method Explorer
From the 4D v19 R5, components can publish their classes. This feature came with tips and code completion support to smooth your code writing. To mak...
October 14, 2022
1 min read
Files, Folders… and now File Handles!
The File and Folder commands, which appeared in 4D v17 R5, enable you to manage folders and files on disk in a modern and efficient way. When it come...
October 14, 2022
1 min read