Lohith MV questions

• Best setting for scanners for scanning documents(TIFF and PDF) [closed]
• what is viewport in Extjs
• how to set savon default timeout value
• How can I write a regex to find only numbers with four digits?
• Unable to install MySQL2 gem on Windows 7
• Regex to match Date
• onclick on option tag not working on IE and chrome
• how to get files count in a directory using ruby

Lohith MV answers