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neo4j-logo

neo4j/cypher: Getting the hang of query parameters

For as long as I’ve been using neo4j‘s cypher query language Michael has been telling me to use parameters in my queries but the performance of the queries was always acceptable ...
neo4j-logo

Graph Processing: Betweeness Centrality – neo4j’s cypher vs graphstream

Last week I wrote about the betweenness centrality algorithm and my attempts to understand it using graphstream and while reading the source I realised that I might be able to put something ...
software-development-2-logo

Survivorship Bias and Product Development

A couple of months ago I came across an interesting article by the author of ‘You Are Not So Smart‘ about a fallacy known as ‘Survivorship Bias‘ which Wikipedia defines as: The ...
devops-logo

No downtime deploy with capistrano, Thin and nginx

As I mentioned a couple of weeks ago I’ve been working on a tutorial about thinking through problems in graphs and since it’s a Sinatra application I thought thin would be a decent ...
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Capistrano: Deploying to a Vagrant VM

I’ve been working on a tutorial around thinking through problems in graphs using my football graph and I wanted to deploy it on a local vagrant VM as a stepping stone to deploying ...
clojure-logo

Clojure: Reading and writing a reasonably sized file

In a post a couple of days ago I described some code I’d written in R to find out all the features with zero variance in the Kaggle Digit Recognizer data set and yesterday I started ...
java-logo

Java: Faking a closure with a factory to create a domain object

Recently we wanted to create a domain object which needed to have an external dependency in order to do a calculation and we wanted to be able to stub out that dependency in our tests. Originally ...
agile-logo

Playing around with pomodoros

Over the last 3/4 months I’ve been playing around with the idea of using pomodoros to track all coding/software related stuff that I do outside of work. I originally started using ...
android-logo

Learning Android: Freezing the UI with a BroadcastReceiver

As I mentioned in a previous post I recently wrote some code in my Android app to inform a BroadcastReceiver whenever a service processed a tweet with a link in it but in implementing ...
software-development-2-logo

Pair Programming: The disadvantages of 100% pairing

I’ve written a lot of blog posts in the past about pair programming and the advantages that I’ve seen from using this technique but lately I find myself increasingly frustrated ...
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