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Enterprise Java
Neo4j: Cypher – Neo.ClientError.Statement.TypeError: Don’t know how to add Double and String
I recently upgraded a Neo4j backed application from Neo4j 3.2 to Neo4j 3.3 and came across an interesting change in…
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Enterprise Java
Neo4j Import: java.lang.IllegalStateException: Mixing specified and unspecified group belongings in a single import isn’t supported
I’ve been working with the Neo4j Import Tool recently after a bit of a break and ran into an interesting…
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Software Development
Ethereum Hello World Example using solc and web3
I’ve been trying to find an Ethereum Hello World example and came across Thomas Conté’s excellent post that shows how…
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Enterprise Java
Neo4j: Cypher – Property values can only be of primitive types or arrays thereof
I ran into an interesting Cypher error message earlier this week while trying to create an array property on a…
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DevOps
Kubernetes 1.8: Using Cronjobs to take Neo4j backups
With the release of Kubernetes 1.8 Cronjobs have graduated to beta, which means we can now more easily run Neo4j…
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DevOps
Kubernetes: Copy a dataset to a StatefulSet’s PersistentVolume
Neo4j Clusters on Kubernetes This posts assumes that we’re familiar with deploying Neo4j on Kubernetes. I wrote an article on…
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Enterprise Java
Neo4j: Traversal query timeout
I’ve been spending some of my spare time over the last few weeks creating an application that generates running routes…
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Enterprise Java
Neo4j: Cypher – Deleting duplicate nodes
I had a problem on a graph I was working on recently where I’d managed to create duplicate nodes because…
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Software Development
Serverless: Building a mini producer/consumer data pipeline with AWS SNS
I wanted to create a little data pipeline with Serverless whose main use would be to run once a day,…
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