1. Problem description An app based on calling service is being developed. One requirement is to make calls through a list of phone numbers and make two-way recording at the same time (regular customer service phone recording reservation). I used to u...
is there a mature solution for html5 recording? At present, many browsers on safari, mobile are not compatible with each other ...
there is a cloth size of $plat 600x300 I have first put a piece of film into the right 300x300 of this cloth right imagecopyresampled($plat, $xxx, 300, 0, 0, 0, 300, 300, 300, 300); then you want to 300x300 the user s slices to the left . left ...
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title< title> <style> -sharpdd { width: 100%; height: 100%; } -...
let tobj = [ {a: ,b:2}, {a: joke ,b:8}, {a: ,b:23}, ] The code is as above, and the decision condition is as follows: if the an of an element in tobj has a value, then query whether th...
problem description Editor written with react, now I need to copy the dom of a component (such as photo album, carousel.), including its sub-components. My current practice is to get the react element, of this component and then use React.cloneElement...
I am like this now. The project has a lot of databases, all under the same mysql server, and there is db,db2,db3 in main.php. Now there is a storage operation like this. Table A comes from db2,B table and comes from db3,. When using transactions, it is ...