Software Engineering and Programming

Language Popularity Index – http://www.tiobe.com/tiobe-index//
Language Popularity PYPL – http://pypl.github.io/PYPL.html
Language Popularity 2017 – http://spectrum.ieee.org/computing/software/the-2017-top-programming-languages
Jobs by Language Demand 2017 – http://www.codingdojo.com/blog/9-most-in-demand-programming-languages-of-2017/

PowerShell Reference

http://powershell.com/cs/
http://powershell.org
PowerShell Quick Reference
PowerShell Examples v4
Microsoft PowerShell

PowerShell One-Liners

• Part 1: Help, Syntax, Display and Files 
• Part 2: Variables, Parameters, Properties, and Objects,
• Part 3: Collections, Hashtables, Arrays and Strings
• Part 4: Accessing, Handling and Writing Data

 

C# Reference

C# Reference – https://msdn.microsoft.com/en-us/library/aa287558(v=vs.71).aspx
C# by Example – http://www.fincher.org/tips/Languages/csharp.shtml

Microsoft Reference

http://msdn.microsoft.com/en-us/library/618ayhy6.aspx

iOS Development

Four Ways To Build A Mobile Application
http://www.smashingmagazine.com/2013/11/22/four-ways-to-build-a-mobile-app-part1-native-ios/