The knowledge about the business, how it operates, its terminologies, rules, goals, and objectives. Domain refers to the details of the problem you want to solve. This is how the aggregate maintains consistency.ĭomain and model have their meanings in domain-driven design. No members from within the aggregate boundary can be referred to from anything external to the aggregate. The aggregate root is the thing that we refer to for lookups. These are a collection of entities are that bound together by an aggregate root. Entities are compared by their unique identifier (usually a UUID or Primary Key of some sort). Things like: User, Job, Vinyl, Post, Comment, etc. Once agreed upon, it enables developers to connect the software implementation to what occurs in the real world.ĭomain objects that we care to identify. The Ubiquitous Language can only be learned by talking with domain experts. It's the way we design applications when the needs of our users are complex.Ĭonceptualized by Eric Evans who wrote the bible of DDD (known as the Blue Book), DDD's primary technical benefits are that it enables you to write expressive, rich, and encapsulated software that is testable, scalable, and maintainable. □□□□ □□ □□□□□□-□□□□□□ □□□□□□?ĭomain-Driven Design (DDD) is the approach to software development that enables us to translate complex problem domains into rich, expressive, and evolving software. #performance #chrome #programming #webdevelopers You can learn more about Memory Saver here. Chrome uses up to 40% and 10GB less memory to keep your tabs running smoothly, and extend your battery using this work. This helps improve performance when you have lots of tabs open. Memory Saver puts inactive tabs to "sleep" by freezing them, so their memory can be freed up for active tabs. The new hover cards build on Chrome's Memory Saver feature and can also be enabled via about:flags using the "Show memory usage in hovercards" option. This feature provides transparency into a site's memory consumption and Chrome's tab throttling behaviors. I just wrote about this new feature: with tips to measure & optimize memory □ When you hover over a tab, a popup will display the tab's RAM usage and whether Chrome’s Memory Saver feature has frozen the tab to conserve memory. In Chrome Canary, we recently introduced hover cards that show the memory usage for each open tab. Chrome now shows each active tab's memory usage!
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