1. Google https://www.google.com/
is not that you don't know, but that you don't use google well. There are many skills in using google. You can search for google search skills online.
2. Stackoverflow http://stackoverflow.com/
Programmer's Q&A website, you can ask any questions or search for answers, you must have a basic English.
3. github https://github.com/ The
world's largest open source community, countless excellent source code is hosted here, you can participate, read, and use. More importantly, you can meet countless big cows.
4. csdn http://www.csdn.net/, the
world's largest Chinese IT community, provides information services such as knowledge dissemination, career development, and software development for software developers and IT practitioners in China, and is the Sina portal for programmers.
5. Station b: https://www.bilibili.com/
Bilibili (Nasdaq: BILI; English name: bilibili, station B for short) is now a cultural community and video platform with a high concentration of young generations in China. There are also many face-to-face tutorials, which are more suitable for programmers to learn.
6. Dark Horse Video Library: http://yun.itheima.com/
Dark Horse Programmer Video Library-Provides free downloads of Chuanzhi Podcast and Dark Horse Programmer’s full set of video tutorials and free public classes, keeping up with the trend of the times, helping IT enthusiasts to master and understand programming technology
7. UiSource http://uisource.com/,
a front-end and interface resource-based website, provides a platform for IT developers and designers to discover, obtain, and share results. The programmer's most taboo is to reinvent the wheel, and here is a good place to avoid you reinventing the wheel.
8. oschina http://www.oschina.net/,
the largest open source technology community in China, with 1.3 million members. It is developed by several major channels including open source software libraries, code sharing, information, translation, discussion areas, and blogs. The author provides a platform to discover, use, and exchange open source technologies.
9. wooyun http://www.wooyun.org/
WooYun is a security issue feedback platform between manufacturers and security researchers. While responding to security issues and follow-up, it also serves Internet security and countless hackers Daniel published the vulnerabilities of major websites above, and there are many ideas worth learning.
10. iteye http://www.iteye.com/ ITeye
is a mature and active in-depth communication community for software developers. It has gathered a large number of high-quality software developers and has more than 1.3 million registered members.
11. The Blog Park http://www.cnblogs.com/
was founded in 2004 and is an online learning community for programmers. "Living to be old and learning to be old" is the most true portrayal of a program's life. Learning requires not only one person's hard work, but also a community with a strong learning atmosphere, willing to share and help each other.
12. Zhihu http://www.zhihu.com/,
the largest social Q&A community in China, with a lot of programmer skills, workplace discussion topics and Daniel sharing content.