YouTube was launched in 2005. It was founded by three PayPal employees: Chad Hurley, Steve Chen, and Jawed Karim, who ran the company from an office above a small restaurant in San Mateo. The first ...

Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...

1 School of Management, Jiangsu University, Zhenjiang, Jiangsu, China 2 Student Affairs Section, School of Medical Technology, Xi’an Medical University, Xi’an, Shaanxi, China Background: Academic ...