IEEE Spectrum 2014 Programming Languages List _ other synthesis

IEEE Spectrum Statistics The usage prevalence of major programming languages based on the following data sources.

1) Google search results
2) Google trend analysis
3 Twitter (what is this thing??) ）
4) GitHub Library
5) StackOverflow Question and answer
6) Reddit Articles
7) Hacker News
8) Career Builder
9) Ice Job
IEEE Journal Papers
Wait a minute.

The following data were obtained:

1 IEEE Spectrum Major languages total list Top 20

1.Java
2.C
3.c++
4.Python
5.c#
6.PHP
7.JavaScript
8.Ruby
9.R
10.MATLAB
11.Perl
12.SQL
13.Assembly
14.HTML
15.Visual Basic
16.objective-c
17.Scala
18.Shell
19.Arduino
20.Go

2 Web Development Language list TOP10

1.Java
2.Python
3.c#
4.PHP
5.JavaScript
6.Ruby
7.Perl
8.HTML
9.Scala
10.Go

3 Mobile Application Development Language list TOP10

1.Java
2.C
3.c++
4.c#
5.JavaScript
6.objective-c
7.Scala
8.Delphi
9.Scheme
10.ActionScript
Ps:python lit.