Common technical online reference manuals and documentation

Usually learn programming or modules, there are many online help documents or manuals can be consulted, query, now put them down, again looking for more convenient.

Document class:

Crawler:

Scrapy1.2 Document: http://python.usyiyi.cn/translate/scrapy_12/index.html

Beautiful Soup 4.4.0 Chinese Document: http://beautifulsoup.readthedocs.io/zh_CN/latest/

Requests Chinese Reference manual: http://cn.python-requests.org/zh_CN/latest/

Html:

HTML Reference Manual: Http://www.w3school.com.cn/tags/index.asp

Sql:

SQL Quick reference: http://www.w3school.com.cn/sql/sql_quickref.asp

Python:

Python 2.7.12 Documentation (US): https://docs.python.org/2/index.html

Python 2.7 Tutorial (Liaoche): http://www.liaoxuefeng.com/wiki/001374738125095c955c1e6d8bb493182103fac9270762a000

R:

Java:

Data class:

Python Crawler Learning Series Tutorial: http://cuiqingcai.com/1052.html

The net of static searching (Technical talk is very good): http://cuiqingcai.com/

StackOverflow (It Technology FAQ website): http://stackoverflow.com/

Quora (FAQ SNS website): https://www.quora.com/

Datacastle (China's largest data science competition platform, with code share): http://www.pkbigdata.com/

PPV Course (website dedicated to data mining, data analysis, database course training): http://www.ppvke.com/

Disk lot (can search download ebook): http://www.panduoduo.net/

Laboratory Building (It Online education website): https://www.shiyanlou.com/

W3school (Web technology Tutorial): http://www.w3school.com.cn/

NetEase Cloud Classroom (online skill learning platform): http://study.163.com/

Garlic customer (programming, algorithm, computer theory online learning platform): https://www.jisuanke.com/

kaggle:https://www.kaggle.com/

POWER BI (Microsoft Data visualization artifact): https://zhuanlan.zhihu.com/p/22424022

Common technical online reference manuals and documentation