November 2019
Beginner to intermediate
674 pages
15h
English
Content preview from Mastering Delphi Programming: A Complete Reference Guide
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Implementing a timer
If you play with the demo application, you'll soon find that it works fine, just not exactly as I described before. I stated that "(the code) sends pingMsg back to the owner every five seconds." As the following image shows, that isn't exactly so.
This image shows one short testing session. During the testing, I started the thread. That caused two messages to be logged. The initial value of 0 is sent from the thread immediately when the thread is started. After that, the main thread sent a new value 42 to the worker thread, and that resulted in an immediate ping response.
After that, I didn't click anything for 11 seconds, which generated two ping messages, each sent 5 seconds after the previous message. Next, I clicked ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.