ORDA – Genealogy – Episode one
We can all agree that ORDA is a great 4D V17 feature. A kind of revolution in the way of thinking and programming. 4D databases will never be seen the...
August 3, 2018
1 min read
For Developers
Build better 4D applications with practical patterns and technical deep dives from our blog.
Preemptive Web Services Server and Client
Preemptive Web Services allow your applications to take full advantage of multi-core computers resulting in faster responses for simultaneous requests...
July 16, 2018
1 min read
Keep track of your formulas with this new command
Imagine you have a list of formulas containing table names and some fields ... then days later you decide to rename your tables. Now your formulas are...
June 12, 2018
1 min read
Times inside objects… (and everywhere else)
Objects are at it again, continuing to demonstrate their utility to ease your life as a developer. Using time (or duration) values inside of object...
June 1, 2018
1 min read
How to display a multilevel collection in different list boxes!
Starting with 4D v17, the content of a multilevel collection can easily be displayed in different list boxes. Meaning that you can bind several list b...
May 28, 2018
1 min read
How to create a generic form with dynamic forms
Imagine that your database contains several tables of types or categories. These tables are very simple, often with only an identifier and a text fiel...
May 22, 2018
1 min read
Get machine hardware information
4D v17 goes a step further to let you create a customized server administration dialog. Following the ability to retrieve information about users &...
May 9, 2018
1 min read
Logical operations on entity selections
The ORDA series continues! In this blog post we'll see how to use logical operators on entity selections! These operations allow you to get intersect...
May 7, 2018
1 min read
Working with ORDA optimistic locking
4D v17 introduces ORDA, a major evolution in 4D which is opening a world of new possibilities for 4D developers. One of the benefits of using ORDA is ...
April 27, 2018
1 min read
Locking entities with ORDA
The ORDA series continues! In this blog post, we'll look at how you can use locks in your databases with ORDA concepts! It's not uncommon to need to m...
April 24, 2018
1 min read