what is the default for css if you do not specify line-height? Is it equal to font-size? Sometimes it feels like setting it manually to be the same as font-size is not the same as letting him not set it by default. ...
such as the question: "are there any alternatives to weapp s wxss selector > and *? " ...
problem description in WeChat Mini Programs, I want to click the button to play or pause music. I use wx.createInnerAudioContext () to get the InnerAudioContext instance, then save InnerAudioContext to data, and control the music through the src prope...
backend code data contains the result of the query, which is an array of objects res.render ( search_result , {title: query result page , data: result}); Front end code the jade template engine is not used here, so the way to get it is of...
I recently upgraded gdb from 7.12 to 8: 00, and debug found that when I display a string, the content displayed is very complicated! For example, startSym= "A "; such a simple string, disp startSym appears as follows: >>> disp startSym $2 = {...
beginners ask current environment pip 18.0 from usr local lib python3.7 site-packages pip (python3.7) spyider file is version 803 in github, and pycurl with replaced keywords has also been reinstalled online method and tried again and finally pla...
problem description I would like to ask how to copy the error message in the mac version of idea. In the windows version, there is an error message right click in the lower left corner to talk about a copy button, but the mac right button does not hav...