when I debug a mobile page with chrome s developer tool, switching between mobile devices and scaling sometimes results in gaps in the vertical direction of the div that reveal the white background of the parent section. But I ve made sure that borde...
if written in this way, an error will be reported because of asynchronism, and an error will be reported if you can t get the value of totalList. such as: channelInfo=[{id:1,name:tom},{id:2,name:lili}] totalList= [{id:11,price:10},{id:22,price:20}...
python3 win10 spyder fo = open( xingqier.txt , rb ) -sharp : str = fo.read() -sharp str = str.decode( utf-8 ) -sharp str = fo.read(3) -sharp3 print( : ,str) -sharp output : b Why not the "first three strings: yesterday " of th...
when I write some command-line tools, I need to upload and download the installation frequently to generate commands in .bin to test whether it works properly. is there a more convenient way? ...
the same prototype chain function, pass in different parameters and get different results, but the latter function overrides the former function, and the two functions output the same result. This is an example of sorting. The priority is age- > sex- > ...
as shown in the figure, I called Notification when I called the backend interface and set duration to 0 that will not shut down automatically. When I get result, I need to manually close the Notification component. Ask how to write ...