1. iframe
Using the iframe tag, we can load the content of other websites or other pages in our website.
SRC specifies the URL of the document to display in the iframe. Scrolling specifies whether to display the page scroll bar.
disadvantages
Cross-domain problems are encountered
2. MySQL index
Speed up retrieval
3. Common storage engine of MySQL
InnoDB can transact
4. The TCP packet
Because TCP is streamed without subcontracting and separators
You can do it yourself by delimiting it or serializing it yourself
Juejin. Cn/post / 684490…
I encountered this problem when WRITING file System MP for distributed system
UDP is better without this problem
I think you know the cause and the solution it’s not that complicated, right
5. High concurrency (he said he didn’t have time to ask, but may ask later)
Tencent:
Shenzhen Tencent Cloud cloud product department Tencent conference has a lot of HC
There are many design posts in Beijing with front ends