Saving project source code without tokens
Commands, constants, tables and fields are stored with their tokens in the project source code files (4dm files). This allows 4D to rename them automa...
January 17, 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.
Tag your comments, a feature by developers for developers
Comments are essential in a developer's life. When we work on a new feature, we often add comments that are reminders. For example: to validate a ...
January 14, 2022
1 min read
A new command to get detailed information about licenses
It's sometimes helpful to monitor 4D licenses on your server. That's why with 4D v19 R4, we decided to provide you with a new command giving all the i...
January 14, 2022
1 min read
Launch an external process asynchronously
Sometimes you have to run processes in the background, and as soon as one finishes, perform some actions according to its exit code. From the v19 R4, ...
January 14, 2022
1 min read
4D language: The improvements you requested are here
Do you dream of using short-circuit evaluation, ternary operators, breaking free from a loop, or exiting from a method with a simple keyword? Well, d...
January 13, 2022
1 min read
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
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