Invented by Adobe Systems over 20 years ago, the Portable Document Format (PDF) is now an open standard for electronic document exchange maintained by the International Organization for Standardization (ISO). When you convert documents, forms, graphics, and web pages to PDF, they look just like they would if printed.
PDF
A PDF file contains a couple of key pointers. One of them is a pointer to the start of the table which describes the... The best way to identify a PDF file is to scan the first line of the file. In theory the first line of a... Recently we have begun development on converting the JavaScript contained within PDFs to JavaScript that can be used by any browser browsing the HTML5... A PDF file consists of a ‘dump’ of PDF objects and a reference table defining where they are located in the PDF file and... You might have encountered a situation where you tried to read from pdf or other text input streams and writing the raw data into... 
