Tech Tips — The 4 Tips of April are Here!
by Add Komoncharoensiri, Director of Technical Services at 4D Inc As a 4D developer, you have to keep up with the new advances 4D is cont...
April 14, 2022
1 min read
Preemptive
Scalable sessions for advanced web applications
Nowadays, web applications are essential modern tools. As machines and processors become more and more powerful, your web applications must constantly...
January 26, 2021
1 min read
Sharing leads to performance
Following this blog post about the new concept of shareable entity selections and the subsequent discussions on the forum, we'll now take the time to ...
December 17, 2020
1 min read
ORDA – Share an entity selection between processes
4D v16 R6 introduced a new concept of communication between processes: shared object and shared collection variables! Thanks to this, you're able to e...
October 27, 2020
1 min read
Objects Corner: easy sharing & other good news
How many times have you gotten the "Not supported value type in a shared object" error when trying to put an object into a shared object? What did yo...
May 19, 2020
1 min read
Coexistence of thread-safe and non-thread-safe commands
Have you ever needed to use methods with both thread-safe and not thread-safe calls, with conditions that skip over commands that are not thread-safe?...
November 27, 2019
1 min read
Easily synchronize your processes
Preemptive processes are very useful for performing extensive calculations in parallel, using all of the cores in your CPU, but sometimes you need to ...
February 8, 2019
1 min read
Begin / end SQL in preemptive mode
Preemptive processes allow your applications to take full advantage of multi-core computers, resulting in faster responses to simultaneous requests. B...
January 25, 2019
1 min read
Preemptive processes on 4D remote
Do you need to run complex calculations or exports on the client side? Use preemptive processes and start these actions without slowing down users and...
January 17, 2019
1 min read
More thread-safe commands at your disposal
4D lets you take full advantage of multi-core computers with preemptive processes. In a previous blog post, we've provided you with a list of enhanced...
October 12, 2018
1 min read