Better Error Handling and Type Inference for 4D Developers
When you’re coding in 4D or VS Code, clear and precise feedback from the editor makes all the difference. It helps you understand what’s happening in ...
January 20, 2026
1 min read
Language
Trim, Trim start, and Trim end in 4D
When working with user input, data cleaning, or text formatting, one of the most common tasks is removing unwanted whitespace. Whether it's a space ac...
October 17, 2025
1 min read
Convert Numbers with Ease: Enhanced String and Num Commands
When working with different numeric bases, such as binary or hexadecimal, converting between numbers and strings is a common task. With 4D 21, the Str...
October 17, 2025
1 min read
Easy Reference Comparison of Objects & Collections
Objects have become an essential part of the 4D language and of Qodly. But when you declare a variable of this type, you define a reference. So, how ...
July 18, 2024
1 min read
Using Classes Across Components
Component developers frequently require the utilization of a class from another existing component. With 4D 20 R6, when a component has a declared na...
July 17, 2024
1 min read
Class property declarations and assignments on a single line
In 4D 20 R5, the streamlined property declaration now offers the convenience of initializing properties simultaneously with their declaration, a...
May 7, 2024
1 min read
Streamlined Method Parameter Declarations
In the pursuit of efficient coding practices, 4D developers commonly configure compilation path settings to enhance syntax and typing checks, thereby ...
January 18, 2024
1 min read
A Fresh Approach to Writing Variadic Functions
Many of you are familiar with using methods or functions that can accept an unspecified number of parameters, often referred to as variadic functions....
October 23, 2023
1 min read
Simplify Variable Declarations & Assignments in a Single Line
Starting with 4D v20 R3, you can wave goodbye to the days of writing multiple lines of code for variable declarations and assignments. Now, you can st...
October 20, 2023
1 min read
Meet the Updated Print form & FORM LOAD Commands
4D v16 R5 brought a significant improvement to the DIALOG command. An improvement that lays in the possibility of passing a new parameter "formData" o...
April 28, 2023
1 min read