Calculations in collections
Calculate average, total or price (including tax) are common tasks in any business application. Collections are an easy way to aggregate your data in ...
February 19, 2018
1 min read
For Developers
Build better 4D applications with practical patterns and technical deep dives from our blog.
Combine and sort collections
4D v16 R6 opens a wide range of possibilities to manage collections. Merging two collections into one, cloning or just ordering a collection is as eas...
February 12, 2018
1 min read
A wide range of possibilities to manage your collections
4D v16 R6 provides advanced capabilities to manipulate collections, thanks to a series of methods to be used with Object Notation. Over 40 methods are...
January 29, 2018
1 min read
Dates inside objects!
Objects are great! Their flexibility, combined with speed and elegance, make them a first choice for most developers. Using dates inside objects is no...
January 23, 2018
1 min read
Sharing information in multi-threading environment
4D v16 R6 introduces a new concept of communication between processes: shared object and shared collection variables! They are a solution so you can a...
January 18, 2018
1 min read
Play videos with 4D
We're in the visual and interactive content era. It's becoming increasingly more and more prominent. Take a look at digital community statistics and y...
January 2, 2018
1 min read
Use DIALOG instead of MODIFY SELECTION
There is an old saying: "Old is gold" meaning that new ways are not as good as the old ones. But the new way to say is "Old is gold but new is platinu...
November 15, 2017
1 min read
New command to get Web Server information
This feature is another way of providing you the ability to create your own server administration dialog. Following the ability to retrieve informatio...
November 3, 2017
1 min read
Working with JSON Pointers
In 4D v16 R4, we enriched object commands so you can validate JSON objects. 4D v16 R5 is going even further by introducing the support of JSON pointer...
October 30, 2017
1 min read
Help tips on list boxes!
Help tips or hints are very useful, as they simplify the user interface and help users understand objects that sometimes aren’t self-evident. 4D suppo...
October 25, 2017
1 min read