Technology - References - Best

Below are the few best links that I have following :

Use below great  link to get every programming book for free downloads :

https://github.com/EbookFoundation/free-programming-books/blob/master/free-programming-books.md#jenkins


Any kid of conversions can do using  below

https://codebeautify.org/excel-to-json




https://www.humblebundle.com/about  --------------- Excellent link for many use cases of AI and Machine Learning.

https://www.hackerrank.com/

https://leetcode.com/

http://www.tutorialspoint.com/unix

http://www.thegeekstuff.com/2010/50-linux-commands

http://www.nbcs.rutgers.edu/~edseries/UNIXcmds.html

https://www.geeksforgeeks.org


Very good reference for programming stuff :

• https://nostarch.com/catalog/programming

Free code camp book

https://guide.freecodecamp.org/book-recommendations/