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And now @undef_obj walking us through DataStore (threaded).
“The ultimate distributed system is between clients and the back end.”
“Amplify DataStore makes it much simpler for developers to work in one mental model of storage.”
“We generate, from your GraphQL schema, strongly types for your environment (e.g., TypeScript).”

Holy shit!
Example:
Architecture of the data store, where synchronization just works for you.
Also, surprisingly... no AWS account required to use the OSS here that does the work. But flip a switch and it integrates with Amplify and just does everything for you.
More architecture:
How does conflict resolution work? You get “sync-enabled resolvers” that let you resolve conflicts, including with lambdas to inject business logic.

This is pretty amazing.
How the sync-enabled resolvers work:
AppSync is also smart and uses GraphQL types to auto merge records that don’t have conflicts:
Screenshots with some example code, using a schema and looking at both js and android studio.
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Joe Emison
@JoeEmison
I’ve been thinking about the highest-leverage activities of startup CTOs, and how they differ substantially from non-startups.

Specifically, I’m thinking about both software/systems architecture and related build vs buy choices, compared with recruiting and hiring.
If you have a company with an established tech stack that you’re not throwing away wholesale, then the highest-leverage activities of a CTO are almost certainly around talent: retention and hiring.

But where you are truly starting from scratch, this may not be the case.
You can make architectural choices that make the number of people you need smaller—sometimes much smaller.

Most people agree with this on some criteria (e.g, don’t need people to build servers if you use the cloud), but most also don’t take it nearly as far as is possible.
Read 6 tweets
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Joe Emison
@JoeEmison
I’ve been thinking more and more that this piece by @rezendi is one of the better pieces written on software development management in the past year. /1

google.com/amp/s/techcrun…
However, I needed to hear / think about the thesis slightly differently for it to really click with me, and so I thought it might be helpful for me to write down the slightly-different conceptualization here. 2/
In short; I think the most efficient transfer of specifications for software development (and here I am thinking only about front end, since that’s the majority of what we do) is to provide interactive mock-ups (e.g., Invision) and a clear high-level business narrative. 3/
Read 6 tweets

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