我使用库"LiquidCrystal_I2C.h“和"Wire.h”。代码行lcd.scrollDisplayLeft ();不运行该函数。 lcd.clear; lcd.print("press Up to set turn on"); lcd.print("press down to set turn off");
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我有bit 20.10,64位。在菜单中,有两个Okular实例。
igor@igor-System-Product-Name:~$ sudo apt remove okularBuilding dependency tree Package 'okular' is not installed, so not removed请给我建议。
@2.6.12: core-js@<3 is no longer maintained and not recommended for usage due to the number of issuesPlease, upgrade your dependencies to the actual version of core-js@3.stack at ChildProcess.emit (events.js:315:20)
npm ERR! gyp ERR!_handle.onexit (internal/chi