LZMA: The new compression algorithm
Whenever we exchange files, we always go through the ritual of compressing the files before sending them. Since 4D v18, two commands are available, al...
October 6, 2021
1 min read
Internal Classes
CryptoKey: Encrypt, Decrypt, Sign, and Verify!
4D solutions have always been safe and stable. This is because 4D invests heavily in developing and updating security features. 4D continues this focu...
August 3, 2020
1 min read
Zip/unzip files and folders with these commands
Before exchanging files (by email for example), we often compress them to reduce their size before transmitting them. With 4D v18, you can compress an...
November 21, 2019
1 min read
Power of objects and dot notation
With 4D v17 R5, we showed you how easy it is to manipulate an object to retrieve the attributes of a file or folder. Things have gotten even easier th...
September 3, 2019
1 min read
Object notation to handle files and folders
4D already provides commands to handle files and folders, but what about new commands that take advantage of the power of object notation? Objects ha...
May 2, 2019
1 min read