Introducing Session Singletons
Singletons have been one of the standout features of 4D 20 R5. Previously, developers could leverage two types of singletons: the process singleto...
November 14, 2024
1 min read
Preemptive Processes
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
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
Make your solutions scalable with preemptive multi-threading – Add K. from 4D Summit 2018
Preemptive processes are powerful since they allow your applications to take full advantage of multi-core computers; consequently, this results in fas...
August 27, 2018
1 min read
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
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
4D Summit 2016: Laurent Esnault presents workers and UI in preemptive mode
Our own VP of Engineering, Laurent Esnault, explains exchanging information between multiple processes AND between processes and forms during his Brea...
September 22, 2017
1 min read
Difference between cooperative and preemptive explained by Laurent Esnault at 4D Summit 2016
Laurent Esnault, VP of Engineering, explains the difference between cooperative and preemptive processes during his Break Out Session about Preemptive...
September 4, 2017
1 min read