Quickly jump to different functions of a class
Classes were introduced with 4D v18 R3. They allow you to organize your business logic and separate it from the UI part more quickly. Classes are com...
January 12, 2022
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.
LZMA: The new compression algorithm
Whenever we exchange files, we always go through the ritual of compressing the files before sending them. Since 4D v18, two commands are available, al...
October 6, 2021
1 min read
Need a magic wand? Here are computed class properties!
The apparition of classes in the 4D development environment has made programming more modern and easier to scale. Classes allow the definition of prop...
October 5, 2021
1 min read
Stop press! Accessing parameters not being passed is … possible
A method or function can have optional parameters. Sometimes the function is called with two parameters, and other times with three parameters. We've ...
October 4, 2021
1 min read
Show online documentation directly from the code editor
In the latest versions of 4D, several improvements have been made to simplify the writing of code with classes: function and attribute suggestions...
July 21, 2021
1 min read
Create a BLOB attribute in an object
With the introduction of classes in the 4D environment, the need to store your data in objects, and especially blobs, has increased. That's why 4D v19...
July 20, 2021
1 min read
Encrypt your own data with the 4D algorithm
As you may have noticed some time ago, 4D offers you a simple way to encrypt your data. Now, 4D also allows you to use the same algorithm as the one u...
April 28, 2021
1 min read
Code Editor: Multiple themes, your choice!
The code editor’s feature set grows with every release, and 4Dv19 is no exception. Every developer has their own special - and sometimes peculiar - t...
April 27, 2021
1 min read
4D Language – String comparison improvements
The 4D language offers 20+ commands to handle strings. And with 4D v18 R6, 4D introduces a new command: Compare strings. And yet another command has b...
January 25, 2021
1 min read
Code editor: Write more code in less time!
With 4D 18 R4, we announced the availability of the suggested functions for classes (4D and data model). With 4D v18 R6, we've got more great news to ...
January 22, 2021
1 min read