December 2018
Beginner to intermediate
564 pages
17h 34m
English
Content preview from Blockchain Developer's Guide
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Events
Events allow convenient usage of the EVM, via the frontend of the DApp. Events can be heard and maintained. Take a look at this code:
pragma solidity ^0.4.24;contract Attendance { event Mark_attendance(string name, uint ID); // Event function roll_call() public marking { // ... emit Mark_attendance(Name, ID); //Triggering event }}
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.