language rankings: use scrapy crawl stackoverflow questions and then statistic
crawl use python scrapy,it's very stronger!
1.friendly tips: if you want use scrapy,you can use anaconda+pycharm,windows or linux,mac(i have not use) very convenient!
2.run crawl:
1.cmd in the path:xx\scrapyTest
2.scrapy crawl sof
3.get the language rankings:
run the main_fuc.py,then you can get the result
