Course Intermediate  11236

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17574

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Advanced  11287

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Introduction：1. Introduction to Jackson: This article talks about the detailed usage of Jackson. The Jackson tool class is at the end of the article. You can just copy and paste it to use. Jackson is one of the components that must be used in the company. Alibaba's Fastjson is also commonly used. However, due to some reasons, there are too many bugs and loopholes. Companies that pay attention to security are directly passed. There is also Google's Gson (this is useless) But I don’t know much about it). SpringMVC's default json parser is Jackson. Jackson has many advantages. Jackson relies on fewer jar packages and is simple and easy to use. Compared with other Java json frameworks such as Gson, Jackson parsing

2023-05-12 comment 0  1529

Course Introduction：During Java development, some errors and exceptions are often encountered, one of which is the Jackson error. This error is usually caused by problems with JSON serialization or deserialization. This article will discuss some common causes of Jackson errors, how to fix and avoid them. 1. Common causes of Jackson errors: Incorrect JSON string format: When JSON string formats are incorrect, Jackson cannot parse them correctly, resulting in errors. This may be due to JSON

2023-06-24 comment 0  2757