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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Using different settings in the checked and production modes
Often the development and deployment environments are different. For example, the app has to connect to a different database or a different mail server in either environment to use a mocked service in development and the real service in production, or something like that. How can we use different setups in both modes, or achieve a kind of precompiler directive-like functionality?
How to do it...
Perform the following steps to use different settings:
- Add a transformers section to
pubspec.yamlwith an environment line that specifies a map of the settings, names and values, as follows (see the code indev_prod_settings):transformers: # or dev_transformers - $dart2js: environment: {PROD: ...
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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.
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