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
Objects and Collections
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
Working with JSON Pointers
In 4D v16 R4, we enriched object commands so you can validate JSON objects. 4D v16 R5 is going even further by introducing the support of JSON pointer...
October 30, 2017
1 min read
Don’t be afraid of undefined values
With 4D v16 R4, we introduced Object Notation which is a great enhancement to the 4D language: your code is fast, flexible, efficient and elegant! Thi...
October 11, 2017
1 min read
A new tool: JSON Validator
4D v16 R4 introduces a new command: JSON Validate. This command allows you to verify that a JSON document is “valid” according to your JSON schema. Th...
August 23, 2017
1 min read
Support of pictures in Objects
From 4D v16 R4, we have added the support of pictures in object attributes. For example, if you use an object to exchange settings or data between met...
July 20, 2017
1 min read