June 2017
Intermediate to advanced
873 pages
18h 9m
English
Content preview from Dart: Scalable Application DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Setting up the checked and production modes
When developing or maintaining, an app's execution speed is not so important, but information about the program's execution is. On the other hand, when the app is put in a customer environment to run, the requirements are nearly the opposite; speed is of utmost importance, and the less information the program reveals about itself, the better. That's why when an app runs in the Dart Virtual Machine (VM), it can do so in two runtime modes:
- The Checked mode: This is also known as the debug mode. The checked mode is used during development and gives you warnings and errors of possible bugs in the code.
- The Production mode: This is also known as the release mode. You deploy an app in the production mode when ...
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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.
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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.