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Description:
The Neo4j Ruby binding user/developer group
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Released 2.2.4
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Hi
New release 2.2.4 is now available.
For some reason I could not get bundler (v. 1.3.5 on jruby 1.7.4, gem
2.0.3) install these for me.
Instead I have to manually install like this:
gem install neo4j-core -v 2.2.4
gem install neo4j-wrapper -v 2.2.4
gem install neo4j -v 2.2.4
Does someone know why or have the same problem ?... more »
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How to connect my JRuby shell to Neo4J?
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Sorry if I cross posted this on SO too, but I just see this dedicated email list to Neo4J.rb, so, maybe i makes sense to ask my question here too:
I would like to experiment with some data from within my Ruby console, and eventually using Cypher from a Ruby console too. As I like the Neo4J server... more »
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Working with Relationships in Rails
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Intense beginner question here but I've been unable to find the answer anywhere. I have model, show.rb: class Show < Neo4j::Rails::Model property :show_name, type: String, index: :exact has_n :booked_bands end I have another model, band.rb class Band < Neo4j::Rails::Model property :band_name, type: String, index: :exact... more »
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Psych::SyntaxError
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Hi
Looks like there is a problem installing neo4j-community (and the other JAR
gems) using some versions of rubygems
Example:
$ gem --version
2.0.3
$ gem install neo4j-community
Fetching: neo4j-community-1.8.1-java.gem (100%)
ERROR: While executing gem ... (Psych::SyntaxError)
(<unknown>): 'reader' unacceptable character '€' (0x80) special... more »
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Sorting
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Hi
Reposting a private mail regarding sort and range queries:
"
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Neo4j with Rails, using the "between" method. Can you please give me an
example? I have a model, Show.rb, with some basic information: show_name,
show_date, other things that don't matter. In my controller, I want to find... more »
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How to paginate a linked list?
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In the context of an activity stream, events are connected as a linked list via "next" edge, so we get things ordered by default. A query like this in a rails controller would return the last 20 events sorted: events = last_event.incoming("next").de pth(20) What would be the strategy to paginate this query?... more »
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Graph Databases book available as FREE EAP download
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Hi everyone,
I'm on a plane so just quickly.
Ian, Jim and Emil have done a great job writing an introduction book for the uninitiated.
So make sure to head over to [link] grab your free copy and send your friends, colleagues, wife and mom there too to learn about this new stuff you're always talking about.... more »
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cypher: how to get both my tags AND my friends' tags
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Trying to get both my tags AND my friends' tags in a single query... find my friends' tags whose name is "bla": q = Neo4j._query("START me=node(1) MATCH me-[:`following`]->friend-[:`U ser#tags`]->tag WHERE tag.name = 'bla' RETURN tag ORDER BY tag.name") find my and friends' shared tags (intersection) whose name is "bla":... more »
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