November 2024
Beginner to intermediate
456 pages
11h 5m
English
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15
HANDLING EVENTS
Some programs work with direct user input, such as mouse and keyboard actions. That kind of input isn’t available ahead of time, as a well-organized data structure—it comes in piece by piece, in real time, and the program must respond to it as it happens.
Event Handlers
Imagine an interface where the only way to find out whether a key on the keyboard is being pressed is to read the current state of that key. To be able to react to keypresses, you would have to constantly read the key’s state to catch it before it is released again. It would be dangerous to perform other time-intensive computations, since you might miss a keypress.
Some primitive machines handle input like this. A step up from this is for the hardware or operating ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.