Data Collection Insights
Last October 2022, 4D introduced a unique feature called Data collection in 4D v19 R6. Perhaps the best way to understand how we use this is to show ...
March 27, 2023
1 min read
Latest
Which Operating Systems for 4D v20?
4D v20 is around the corner! In a few weeks, you will be able to get your hands on this wonderful new 4D LTS release. We thought it is the perfect mom...
March 19, 2023
1 min read
ORDA – From Beginner to Expert
ORDA, which stands for Object Relational Data Access, is a method of accessing data that combines the advantages of object-oriented programming with t...
March 6, 2023
1 min read
Tips & Tricks for your 4D Apps – February 2023 Edition
by Add Komoncharoensiri, Director of Technical Services at 4D Inc Here we go with another set of tips and tricks. The 4D Knowledge Base ...
February 28, 2023
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4D for Mobile Tutorial – Choose an Input Control
Formatters allow you to format the displayed data or to define behavior when the user touches the data. The input controls follow the same principle. ...
February 20, 2023
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4D for Mobile Tutorial – Create actions
Actions allow users to interact with the application to change the customer's address, add a new contact and modify a picture. In the 4D language, an...
February 15, 2023
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4D for Mobile Tutorial – Include relations
The data of your application are linked together by two types of relationship: Many to One or One to Many. In this blog post, we will show you how to...
February 13, 2023
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4D for Mobile Tutorial – Using Formatters
A data formatter allows you to map a data type from your database to a specific display on the mobile side. For example, you can define a date, percen...
February 8, 2023
1 min read
4D for Mobile Tutorial – Sort your list view
To facilitate the use of an application, the data presented to the user is usually sorted alphabetically, chronologically, or a combination of several...
February 7, 2023
1 min read
Catch errors everywhere
Error management is often a constraining part of development in all languages. In 4D, if you forget to call an error-handling method in a new process/...
February 6, 2023
1 min read