Introducing The Generated Columns Feature
Backendless version 5.7.3 introduces generated columns, a new feature of the Backendless Database. Using this feature, you can declare a new type of column for which the database calculates the values based on a specified expression. These new columns function much like formulas in your favorite spreadsheet application. When you add a generated column, you…

How to Validate User Properties With Regular Expressions

  When working with data, particularly user-submitted data, you often need to validate it. For example, if we are creating a database in which there is a “site” field and corresponding IP address field, it would be very useful to ensure that the data written to these fields is in the appropriate format.