< H2 > question: as shown below: < H2 > this is a flowchart configuration page. The nodes in the whole flowchart can be connected in a lifetime. I can traverse all the lines in the whole graph, and each line has two anchor points: sourceId and target...
problem description The requirement is like this: when I click the right mouse button to come out a menu, and then click New, there will be a right editing mania. When I click Save , I will create a new menu where I click the right mouse button. This...
there is no problem with browsers such as Firefox, and chrome has a problem only recently ...
vscode will get a red dot error when writing flow code is there any solution ...
is the kind of QR code lock similar to shared bikes. What hardware should I buy to implement it? the current idea is scan the QR code-send a request to the server-server authentication-return the command to open the lock (authentication failed without o...
now the demand is that 4G files need to be uploaded and uploaded in parts; on the other hand, when the file needs to be downloaded, it needs to be downloaded in segments, and the url, front end of many files need to realize url to get the file stitched a...
1. Home page. Html navigation section: <ul class="dh"> <li class="act"><a href="">< a>< li> <li><a href"">< a>< li> <li><a href"&quo...