Tips & Tricks for your 4D Apps – February 2025 Edition



Tips

by Add Komoncharoensiri, Director of Technical Services at 4D Inc

Here we go with another set of tips and tricks.

The 4D Knowledge Base is a library of information about 4D technology where weekly tech tips and monthly tech notes are actively published. If you missed the last tips on the KB, that’s fine; here is a compilation from the past few weeks.

This blog post covers 15 tips:

      1. 4D Web Server 429 – Too Many Requests Error
      2. Change in Default Encoding for TEXT TO DOCUMENT
      3. Optimizing the launch.json configuration for 4D Debugger in VS Code
      4. Handling Multi-Value HTTP Headers
      5. Implicit Internal Use…End use Blocks
      6. Pointer symbol shortcut
      7. TableColumns Implementation Changes
      8. Modification for Shared Objects and Collections in 4D
      9. Arrays vs collections for optimal performance in 4D
      10. 4D app missing from macOS Application Notifications
      11. Visibility of Mounted Network Drives on Windows
      12. Optimizing Temporary Objects, file handles in 4D
      13. Resolving export errors related to non-supported “Mandatory” attribute
      14. Zip Archives created with a password under Windows
      15. HTTP Request and 4D Objects
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Add Komoncharoensiri
Add Komoncharoensiri has been a key member of the technical support team since 2000. He started his career at the company as a technical support engineer before becoming a 4D evangelist in 2003, then internal applications manager in 2006, and finally director of technical services in 2007. Add earned a computer science degree from San Jose State University in 2000. He is passionate about user experience (UX) and user interface programming. He has been involved in the development and management of the 4D Knowledgebase and 4D Partner Central websites.