< H1 > premise < H1 > Environment: linux configuration file: use epoll; in nginx.conf < H1 > personal analysis < H1 > of the five IO of linux, this one of epoll is Synchronize non-blocking and belongs to NIO. when a message comes, the kernel mod...
problem description the project requires programs to connect to multiple databases (about 30, with the same username and password, but different library names). How to operate gracefully in Laravel? reference I have looked up the article Laravel ...
chrome, safari,ie are all normal report an error under firefox [Firefox cannot establish a connection to the ws: ~ server] this is the only error message tried the setting in about:config, but it is not valid and window.MozWebSocket is undef...
1. Query the user list and initially change the associated order table, but there are too many users, which causes the mysql placeholder to pass and a mysql error is reported. 2, User::with ( order )-> get () error: General error: 1390 Prepared st...
vue chromedriver@2.37.0 ...
You can stream query results from MongoDB. You need to call the Query-sharpcursor () function to return an instance of QueryCursor. Please do not translate directly. I want to know what cursor is and what stream is, and why I use it, thank you! ...