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
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.
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
Track, Audit, Optimize: Take Control of Your 4D Web Sessions
Since the introduction of scalable sessions, server-side session management has become an important component of modern 4D architectures. These sessio...
October 15, 2025
1 min read
HTTPS Requests Now Support Windows Certificate Store
Starting with 4D 21, your HTTPS requests can now use a certificate stored in the Windows Certificate Store instead of one saved on disk. This is parti...
October 15, 2025
1 min read
UUID Improvements and Sorting with Version 7
Starting with 4D 20 R10, UUIDs are now generated directly using an internal algorithm instead of relying on system functions—giving you better control...
September 1, 2025
1 min read
4D AI: Discover the power of 4D Vectors
When working with modern applications, especially those involving Artificial Intelligence, natural language processing, or spatial data, vector math i...
August 1, 2025
1 min read
New Class to Perform UDP Communications
4D 20 R8 introduced the TCPConnection class, bringing an object-oriented, asynchronous way to handle TCP client connections. Then came 4D 20 R9 with t...
July 17, 2025
1 min read
Stricter class-based typing for objects
With 4D 20 R10, object typing takes a major step forward, giving you more confidence and control in your code. Instead of simply checking if a value i...
July 16, 2025
1 min read
Building Forms on the fly with New Data Source Commands
In application development, it is often necessary to build forms dynamically. For example, you might want to generate a search form on the fly, tailor...
July 15, 2025
1 min read
Generate, share and use web sessions One-Time Passcodes (OTP)
Today, web applications have become integral to our lives, offering convenient features that save time and simplify everyday tasks. As an example, cre...
June 16, 2025
1 min read