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- So my blog was sorely neglected in 2016, but I’m starting off 2017 with a short post on emerging IT trends: leanjavaengineering.wordpress.com/2017/01/03/eme… 2 weeks ago
In this short post I present my thoughts on trends that are likely to be important considerations for enterprises in 2017. A few years ago everyone was talking about ‘SMAC’, which stood for Social, Mobile, Analytics and Cloud. So not to be outdone, I’ve punnily organised the trends as VICTIM:
Token-based authentication is new in Neo4j 2.2, but how does it work?
The first thing to know is that it is enabled by default in conf/neo4j-server.properties by:
# Require (or disable the requirement of) auth to access Neo4j
Traditional access control relies on the identity of a user, their role or their group memberships. This can become awkward to manage, particularly when other factors such as time of day, or network location come into play. These additional factors, or attributes, require a different approach, the US National Institute of Standards and Technology (NIST) have published a
draft special paper (NIST 800-162) on Attribute-Based Access Control (ABAC).
This post, and the accompanying Graph Gist, explore the suitability of using a graph database to support policy decisions.
In my first job I was working for a company that developed a management information system for UK Police Forces; this system produced the statutory HMIC (Her Majesty’s Inspectorate of Constabulary) reports and allowed OLAP exploration of the datasets loaded into cubes from the data warehouse tables.
One of the areas that I implemented was the key performance indicators for Road Traffic Collisions, so I was intrigued to discover that the fuller, anonymised STATS19 dataset was now available on data.gov.uk. If you’re interested in the STATS19 form you can see it here.
I started working with Alfresco back in 2005 and the code base was a lot smaller back then! More recently I’ve seen people try to dive into WebScript development without a concrete understanding of the foundational elements of the API. When I was set the task of organising an internal ‘hackathon’ as part of a ‘company day’ I decided that the goal should be to create a hands-on code-based tutorial.
Sometimes the Android ecosystem is a little lacking with tool support; for instance I needed to extract a set of sent items from a POP3 mailbox – the stock mail client only allows you to perform 3 actions: delete, mark as unread or favourite.
Armed with the Android SDK, some SQL queries and a Groovy script we’ll see how it’s possible to recover email to RFC822 .eml files.
This came about as I didn’t have access to 448 cores of JVM Azul goodness. The pretotype used 20 over-clocked Raspberry Pi units and an old HP Superdome picked up from eBay (I needed something beefy for the database and it was cheaper than RDS). After a bit of light surgery with a sharp scalpel, aka Spring Remoting with Hessian, it was time to awaken Frankenstein’s monster. The results are very promising though there are still a few kinks to be ironed out, with the Solr 1.4 index being one and the shared database schema between microservices being a glaring architectural impurity.
As for the next iteration, well “I’ve decided to take my work back underground to stop it falling into the wrong hands”.