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QODLY STUDIO FOR 4D: WHAT’S NEW IN 4D 20 R5

In our previous posts, we introduced you to Qodly Studio for 4D and hope you have begun exploring its features. With each release, Qodly Studio for 4D becomes an increasingly robust and user-friendly solution for building business web applications with minimal coding effort.

Integrated deeply with 4D, Qodly Studio for 4D allows you to leverage existing business logic developed for desktop applications.

Let’s dive into the exciting new features of Qodly Studio for 4D 20 R5 and how you can integrate them into your applications.

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4D 20 R5 is Here

Introducing 4D 20 R5 – Available Now!

Here’s a sneak peek of what awaits you with this feature release:

Download 4D 20 R5 (monthly Hot Fixes available)

  • QUIC: Enhance application performance and security with the production-ready QUIC, which offers IPv6 support, broadcast capabilities, and Windows single sign-on.
  • User Interface: Transform your application’s appearance with two new window types that allow complete customization of the window title bar. Add buttons, search boxes, and other elements to create your design.
  • 4D Write Pro: Create professional-looking documents with enhanced layout design, easy section break management, quick formatting options, and support for larger tables.
  • 4D Language: Write cleaner and more robust code with Try-Catch blocks for precise error handling, shared classes for simplified object management, and singletons for improved global accessibility.
  • ORDA: Implement strong data security by restricting user access to specific data based on predefined criteria, ensuring users only see relevant information.
  • Visual Studio Code extension: Boost developer productivity with GitHub Codespaces integration and workspace syntax checking.
  • Qodly Studio for 4D brings Custom Components for greater flexibility, new dialog features for better user interactions, Force Login for optimized license use, and more.

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Easily Using Qodly’s REST API

A few months ago, we announced that Qodly Studio is now available to all our Silver Partners (and higher).

Qodly Studio for 4D is fully integrated into 4D, allowing 4D Server to host your application with both desktop and web pages.

Qodly Studio is also accessible on Qodly, as part of 4D’s newly launched SaaS offering. This innovative hybrid low-code solution is specifically designed for web browser-based business applications.

Even if you’ve already built apps using the Qodly platform, we have more good news! You can now with 4D 20 R5 utilize the REST API of a Qodly application to seamlessly work with your data.

Keep reading to learn more.

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David Azancot
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Simplifying Component Management in 4D

In the context of 4D development, managing components typically involves a substantial amount of work. However, introducing the Component Manager feature in the 4D environment represents a significant advancement in component management.

No longer confined to placing components in a designated Components folder, this feature relies on two key elements: dependencies.json and environment4d.json. Since 4D 20 R5, these files offer developers better visibility into application dependencies and the flexibility to customize component paths.

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Explore GitHub Codespaces Possibilities with 4D

GitHub offers powerful tools for developers. One of them is Codepaces, which lets you develop code stored in a GitHub repo online from anywhere using an integrated instance of Visual Studio Code.

This is also the case with 4D projects!

Let’s discover this powerful tool and see a new way of coding!

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Nicolas Brachfogel
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Deprecation of the Legacy Network Layer

To handle the communication between 4D Client and 4D Server, 4D proposes 3 different network layers:

  • Legacy,
  • ServerNet,
  • and QUIC.

The Legacy network layer was introduced 30 years ago in 4D v3. It was originally developed for AppleTalk, enhanced for ISDN, and then added IPX and finally TCP/IP.

It was created for a very different Client/Server usage than 4D works today: it is single-threaded, optimized for slow networks with no encryption, and available for many different network protocols. As such, it is not optimized at all for modern network communications and supports a very limited number of features.

That’s why, with 4D 20 R5, we have decided to make the Legacy network layer obsolete and plan to remove it soon. We encourage you to move to ServerNet now if you are still using it. Let me explain what benefits you will get from the switch.

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Fabrice Mainguené
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4D View Pro: Enhancement of Custom Functions

Sometimes, you may require specialized calculations on the contents of a column or row without knowing how many cells will be affected.

With 4D 20 R5, you can now pass multiple cells ranges to a custom formula within your spreadsheet formula, such as “A1:C10”, or an object such as “OBJECT(“Firstname”,B2,”Lastname”,C2)”,and retrieve a collection or an object containing all cell content in your 4D method.

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Fabrice Mainguené
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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, akin to variable assignment.

This enhancement simplifies code readability and efficiency by allowing developers to declare and initialize properties in a single line. This facilitates smoother integration and reduces the need for separate initialization blocks. It optimizes development workflows and ensures code robustness across compilers and interpreters, promoting cleaner, more maintainable codebases.

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