MarwenBenTalebAli

I want a .xls excel file I tried the porps fileExtension="xls" but I can not open the file. ``` const multiDataSet = [ { columns: [{ title: 'Date' }, {...

I want to click on button to change node is color. I tired the programatically modifying graph example but I can only update the position.

Print only work the first time and I need to restart the bluetooth to print again.

1

I want to create a REST service with Node.js using Express that prints tickets to ESC/POS bluetooth printer. The actual result my service print only the first time and I...