Kareem questions

Kareem answers

• Compare multidimensional arrays in PHP
• Using google drive file picker on mobile sites
• Position absolute div in a overflow-y: scroll div
• Show a PDF files in users browser via PHP/Perl
• sending an email attachment using TCPDF
• Sass variable interpolation with backslash in output
• JQuery: click everywhere but some element
• How to get HTML5 Canvas.todataurl file size in javascript?
• Create a random token in Javascript based on user details
• Invert colors of an image in CSS or JavaScript