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Udemy is a platform that allows instructors to build online courses on their preferred topics. Using Udemy's course development tools, instructors can upload videos, source code for developers, PowerPoint presentations, PDFs, audio, ZIP files and any other content that learners might find helpful. Instructors can also engage and interact with ...
youtube-dl -F <url> The video can be downloaded by selecting the format code from the list or typing the format manually: youtube-dl -f <format/code> <url> The best quality video can be downloaded with the -f best option. Also, the quality of the audio and video streams can be specified separately and merged with the + operator. [34]
Freemake Video Downloader is a crippleware download manager for Microsoft Windows, developed by Ellora Assets Corporation. It is proprietary software that can download online video and audio. [2] [3] Both HTTP and HTTPS protocols are supported. Users must purchase a premium upgrade to remove Freemake branding on videos and unlock the ability to ...
A free course can be "upgraded" to the paid version of a course, which includes instructor's feedback and grades for the submitted assignments, and (if the student gets a passing grade) a certificate of completion. [57] [60] Other Coursera courses, projects, specializations, etc. cannot be audited—they are only available in paid versions.
The platform allows registered users to access digitally-based education and skills training for free. [7] Alison's income is generated through advertising and the sale of certificates. [14] According to The Economist, the company seeks to drive education through advertising in the manner of television and radio.
When the certificate is presented for an entity to validate, they first verify the hash of the certificate matches the reference hash in the white-list, and if they match (indicating the self-signed certificate is the same as the one that was formerly trusted) then the certificate's validity dates can be trusted.
2U was founded in 2008 by John Katzman (who founded The Princeton Review and later, Noodle) originally naming it 2tor (pronounced "Tutor") after his dog Tor. [6] Katzman recruited colleagues including Chip Paucek (former CEO of Hooked on Phonics), and technology entrepreneur Jeremy Johnson to be co-founders. [7]
Jawed Karim was born on October 28, 1979, in Merseburg, East Germany, to a Bangladeshi father and a German mother. [3] His father Naimul Karim (Bengali: নাইমুল করিম) is a Bangladeshi who is a researcher at 3M, and his mother, Christine, is a German biochemistry scientist at the University of Minnesota. [4]