Searching Across Host Projects and Components in 4D
When working on a large 4D application, it is common to split functionality across a host project and several components. This modular architecture ke...
January 21, 2026
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.
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
Goodbye 4D Internet Commands – Hello Modern Internet Integration
With the release of 4D 21, we’re officially saying goodbye to the 4D Internet Commands plugin, a long-standing companion for many developers since the...
November 17, 2025
1 min read
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
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
Why Your Search Stack Feels Broken — and How Vector Search Fixes It
You ask a question. Your system gives you keyword matches — close, but not the answer. The real insight? It’s buried in a doc, phrased differently, or...
July 31, 2025
1 min read