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
4D Language
Design application logic with strong typing, object oriented principles, structured error handling, and modular class architecture. Write clear, maintainable code that works consistently across desktop, web, REST, and client server environments.
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
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
Loops, loops and … more loops!
Like many other programming languages, 4D provides the ability to iterate over numbers with a For(…) / End for statement, or over a condition thanks t...
April 19, 2018
1 min read
4 different ways to find items in a collection
As a developer, you often need to know whether a specified item already exists in a collection, or to find all the items corresponding to particular c...
March 6, 2018
1 min read
Query collections
Simplicity is the ultimate sophistication, and with over 40 methods in 4D v16 R6 to manage collections, things are getting much easier for you as a de...
March 1, 2018
1 min read
Calculations in collections
Calculate average, total or price (including tax) are common tasks in any business application. Collections are an easy way to aggregate your data in ...
February 19, 2018
1 min read
Combine and sort collections
4D v16 R6 opens a wide range of possibilities to manage collections. Merging two collections into one, cloning or just ordering a collection is as eas...
February 12, 2018
1 min read
A wide range of possibilities to manage your collections
4D v16 R6 provides advanced capabilities to manipulate collections, thanks to a series of methods to be used with Object Notation. Over 40 methods are...
January 29, 2018
1 min read
Dates inside objects!
Objects are great! Their flexibility, combined with speed and elegance, make them a first choice for most developers. Using dates inside objects is no...
January 23, 2018
1 min read