problem description ffmpeg compiler error undefined reference to `avformat_version wrote a test code using ffmpeg-4.0.2-win64-dev downloaded from ffmpeg s official website, but failed to compile ** * test.c * -sharpinclude <stdio.h> ...
for example: I have just built a forHello project, and when I click to run the simulator, the previous projects are also displayed (as shown in the figure: BackGround,ChineseZodiac,layoutContrains, etc.), and then the simulator enters my forHello projec...
problem description you want to place a picture in the vertical center of the page, with some text on top of the picture. If you want pictures and text, you can scale according to the size of the screen. do you have any good ideas for implementation...
python reads related xlsx files differently from what you see [< Cell Table1 .A1972 >, < Cell Table1 .B1972 >, < Cell Table1 .C1972 >, < Cell Table1 .D1972 >, < Cell Table1 .E1972 >, < Cell Table1 .F1972 >, < Cell Table1 .G1972 >,...
window.localStorage.setItem( obj , {name: hhh , age: 100}); localStorage.obj exists, but localStorage.obj.name is undefined. could you tell me how to access the value? of name? ...
as shown in the picture, click on the cell to display the select control and select the field type. Click outside the cell, and the cell returns to its original appearance ...