CSDN

CSDN-professional technology platform. Achieve 100 million technical people and become a home for technical people to communicate and grow. Through the CSDN technology community, you can learn about the latest technology development information solutions and programming learning tutorials.

[Programmer writing]

CSDN is the leading technical creation community for programmers in China. Programmers can create and share knowledge and information in various fields of computer IT technology.

Main technical directions: including artificial intelligence, mobile development, programming languages, R&D management, operation and maintenance, cloud computing/big data, database, game development, web front-end, Internet of Things, computer basics, security, blockchain, audio and video development, Technology development architecture, Linux, children's programming, crawlers, cloud servers, software testing cutting-edge technology learning, etc.

[Programmer Q&A]

To solve the problems that programmers encounter in their work and study, experts and experts in various technical fields provide professional answers. All technical questions can be answered in CSDN. Gathering knowledge sharers from the Chinese IT technology community to answer all your questions.

[Programmer Live Broadcast]

On CSDN, you can see: Online live broadcast of programming language tutorials in various fields

Covering HTML5/Python/CSS/JavaScript/jQuery/C/PHP/Java/Sql/Mysql/r language/Easy Language/php/c#/.net and other programming language learning documentation manuals and IT programmer interview experience, committed to helping self-study Computer programming or introductory programming for beginners to improve programmers' practical programming abilities.

1.Fix some bugs

2. Optimized some functions