Some tools or methods are recommended here , You can use them to judge the state of a technology , Decide whether you choose .
Stack Overflow The developer survey for ：http://stackoverflow.com/insights/survey/2016. Change the last year , For example, will 2016 The year is amended as 2015 year , You can view the survey results of the corresponding year . There's a developer's favorite language in this result 、 The language you want to learn most 、 Age distribution of developers 、Stack Overflow Hot technology on , It's very referential .
such as 2016 The most popular technology is shown in the picture 1-6 Shown .
chart 1-6（ come from Stack Overflow）
such as 2016 year Stack Overflow Hot technology on , Pictured 1-7 Shown .
chart 1-7 （ come from Stack Overflow）
Like the most loved Technology , Pictured 1-8 Shown .