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.
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...
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...
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...
Since the introduction of scalable sessions, server-side session management has become an important component of modern 4D architectures. These sessio...
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...
Starting with 4D 20 R10, UUIDs are now generated directly using an internal algorithm instead of relying on system functions—giving you better control...
When working with modern applications, especially those involving Artificial Intelligence, natural language processing, or spatial data, vector math i...
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...
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...
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...
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