2016年09月04 - I download external pdf file using this Alamofire way.
The problem is, I would like to keep it for the next time user open the app. So the user does not need to download th
2009年04月03 - My program downloads a PDF file from a source location every day. When I see the binary text of the PDF file in Notepad, I find that sometimes the PDF file has the string <!-FTCACHE-1-> at the e
2016年03月06 - I have application which generate a report as pdf file. I can generate the pdf file, but I am receiving one warning: "Cannot find preview item for proxy: - CalculationSheet.pdf (0)"