In this chapter:
Programs process data. In a manner of speaking, the whole purpose of programs can be reduced to this common denominator.
However, not all data is the same. Data might all be the same in principle, but developers spend a great deal of time transforming data values to make them usable. These transformations are time-intensive. Here’s an example:
When you load data from a XML file, you need to parse the data, extracting it from the original XML format and placing it into another format, saving the data you need in fields, ...