topic description the returned json format is as follows { "status": 1, "content": "get seats info successfully", "data": { "seats": { "1": { ...
< hr > cat usr local var log nginx access.log|sort -nrk9|head -2 < hr > what I wonder about is sort-nrk9; -nrk. I know what this 9 means. What does this 9 stand for? here is the format of nginx log . log_format main $remote_addr - $remote_user [$...
if an array is defined in the smart contract, and the append method. So to read the latest value of this array, do you need to traverse the relevant transactions in the entire block chain and read out all the append (and possibly delete) to finally get t...
write node code in vscode. For example, I want to see how the fs.readFile source code is written, and how to jump to the source code through the left mouse button click function of ctrl+ ....
because the website was upgraded to https, and then found that it was impossible to request the interface of http across domains (originally possible) the project was created with vue-cli and the axios, used for asynchronous requests sent requests to t...
I use usb to connect imac all-in-one, and then usb-hdmi junction box-vga,vga to connect other monitors. Connected to the imac also has a response, but other monitors are still no signal. Is it possible that usb can t transfer video signals for display? ...