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 NetKit: Decoding, Generating, and Validating JWT
JSON Web Tokens (JWT) have become a key standard for secure authentication and information exchange between systems. With JWT, you can transmit data i...
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
4D Developer Automatic Activation
Isn’t it tedious to manually enter license numbers every time you install your softwares on a new machine? With 4D 21, that’s no longer necessary, 4D...
October 16, 2025
1 min read
4D AIKit: Structured Outputs
When using AI in your application, you often need outputs that your code can parse, not just free-form text. Whether you’re generating data for a user...
October 16, 2025
1 min read
Edit and Manage Component Code Directly in the host project from the 4D Explorer
In 4D 20 R9, we introduced the ability to edit and debug component methods and classes directly from a host project. Start with 4D 21, we’re now going...
October 16, 2025
1 min read
4D NetKit: Simplifying OAuth 2.0 Redirects after authentication
4D NetKit just made redirecting users after OAuth 2.0 authentication easier with 4D 21. The OAuth2Provider class in 4D NetKit now allows real URLs for...
October 15, 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
Semantic search: querying by vector similarity
With the growing importance of vector-based search in AI applications such as semantic search, recommendation engines, and natural language processing...
October 15, 2025
1 min read