CSDN this site believe that many IT practitioners are no strangers, and often need to find a solution to the actual programming problems on this site. To put it bluntly, this site is a large number of programmers from rookies to the bulls to help each other, we will usually encounter their own programming problems in the form of blogs recorded in the CSDN, when you encountered a similar problem, you can search for a solution in the CSDN, and the correct rate is very high. The author and his roommates often find a variety of solutions on CSDN, which can be said to be very good! CSDN focuses on IT professionals and IT enterprises to provide "integrated information dissemination and service platform", CSDN has the world's largest Chinese IT technology community, the formation of a website, magazines, books, e-commerce, business, education and training, and other related professional services. CSDN has the world's largest Chinese IT technology community and has formed a business model of website, magazines, books, e-commerce, enterprise services, education and training, and other related professional business interaction.

2, RUNOOB

RUNOOB this site is really who knows who to use! As an IT white, this site is really a great benefit! In this site you can find now almost all the programming language tutorials, and all are easy to understand, and support the function of online editing. Including JAVA, C, C++, PHP, PYTHON and other popular programming language tutorials. And the site is very simple, no ads, very suitable for newcomers to start! As the name of the website RUNOOB Rookie Tutorial says, this website is customized for the rookie!

If there is interest in java students, can come to our java technology learning button qun oh: 60833,

4068 inside the free to send a whole system of java tutorials!

3, W3SCHOOL

w3school online tutorials is a specialized educational platform for web developers. You can find all the website building tutorials you need here. From basic HTML to XHTML, and even advanced XML, SQL, database, multimedia and WAP, all resources are free!

These three can be very useful for IT geeks learning to program!