Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms.... size () creation_date = pdf_document . getInfo ()..."تاريخ الإنشاء: #{ creation_date } " puts "المؤلف: #{ author...