Now many companies, especially the first-line manufacturers, must take an examination of the algorithm. When it comes to algorithms, you will definitely say LeetCode, which is a very well-known algorithm website. There are many algorithmic problems. If you can brush all these algorithm questions, your algorithm level will definitely not improve, and there will be corresponding comments and answers behind each question. If you can't do it, you can find inspiration here. His main station is the American version, but there is also a Chinese version. I recommend the Chinese version, because the Chinese version will add some interview questions for well-known enterprises according to our domestic situation, which will be of great help to our interview.
5、GitHub:/
Codecademy is a free and interesting online interactive programming learning website. At present, courses such as html, css, php, javascript, Ruby, jQuery and Python are provided. Like playing a game, he makes you learn from easy to difficult. You can use fragmentation time to master a programming language from scratch every day, which is much better than most traditional learning methods. When learning, users only need to input the correct code at the command line to submit and save, and then they can complete the whole learning process one by one. Moreover, because of segmented learning, users can quickly pick up learning and then put it down, and the whole learning process will not have too much time pressure.
8、coursera:/
Stack overflow is a question-and-answer platform for programmers. You can search inside and get professional answers to programmers' related questions. Much more than a degree. After all, it is a neutral search engine to some extent. Everyone tries to use English when searching. If you search in Chinese, you may not get many results, and many professional answers are often written in English. So we must get used to using English to get the answers we want.
10 programmers must visit the website, conscience recommendation, suggested collection! ?
What can Java learn to go out and find a job?