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Stuart Halloway
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54 followers
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Datomic Ions: Your App on Datomic Cloud
Datomic Ions let you develop applications for the cloud by deploying your code to a running Datomic cluster. You can focus on your application logic , writing ordinary Clojure functions, and the ion tooling and infrastructure handles the deployment and exec...
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Important Security Update For free: and dev: Storage Protocols
Release 0.9.5697 fixes two security vulnerabilities in Datomic On-Prem transactors running the free: or dev: storage protocol. For more information, see the release announcement . The Datomic team would like to thank  Caio Vargas,  Matheus Bernardes, and Nu...
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Access Control in Datomic Cloud
In this article, we will look at Datomic access control, covering authentication and authorization network-level access how the bastion works some example deployments Authentication and Authorization Datomic integrates with AWS Identity and Access Managemen...
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High Availability in Datomic Cloud
Based on my rigorous polling, these are the top five questions people have about HA in Datomic Cloud : How does it work? What do I have to do? Hey wait a minute! What about serializability? Is AWS cool? So what else have you got? How Does It Work? In the Pr...
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Datomic Pull :as
Datomic 's Pull API provides a declarative way to make hierarchical and nested selections of information about entities.  The 0.9.5656 release enhances the Pull API with a new :as clause that provides control over the returned keys. As an example, imagine t...
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You Might Not Need an ORM
Over the last few months, my colleague Michael Nygard has been writing  The New Normal series over on the Cognitect blog , arguing that our industry needs to embrace continuous partial failure and aim to build antifragile systems. In his  most recent instal...
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Reified Transactions
Domain data often answers the question "what", e.g. What products are in inventory? What users have accounts on the system? What tests have been run? But many domains also include information about the provenance of data, e.g. Who said this data was correct...
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CQRS with Clojure, Kafka, and Datomic
Datomic 's clean separation of reads and writes has inspired many comparisons with the CQRS (Command and Query Responsibility Segregation) architectural pattern. One person who has traveled far down this road is Bobby Calderwood, a member of the Technology ...
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Yeller chooses Datomic
Yeller is an exception tracking service whose goal is to provide clear, actionable information to developers to take the pain out of examining application errors. They chose Clojure and Datomic as the platform for Yeller in order to make the development pro...
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Nubank chooses Datomic
Brazil is the world's 5th largest country in both area and population, has the 2nd most airports (behind the United States), and one of the highest credit card interest rates in the world. The Brazilian banking industry is both heavily regulated and extreme...
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