# CSDN Q&A (full stack version)
Column
16 people learn
The instant price of the event is 39.9, and the 10% discount is hot🔥 Subscription (the original price of the event is restored to 399 after the event). This column focuses on collecting and summarizing the most difficult problems on the entire network, providing in-depth professional analysis, and exploring innovative solutions. The goal is to directly hit the core of the problem and provide practical solutions to ensure that every problem is completely shattered!