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Recent posts from the Apache community

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Zipping Collections with Groovy paulk
In computer science, zipping  translates sequences into sequences where, if visualized in two dimensions, the rows and columns are swapped. So the zip of: [[ 'a' , 'b' , 'c' ], [ 1 , 2 , 3 ]] would be: [[...
Jira Public Signup Disabled gmcdonald
Today, the Infrastructure Team took the step to disable public signups to ASF Jira This was not done lightly. The main reason for this is the amount of spam and spam accounts that are created every day, it has made managing Jira a big effort. In addition,...
Whiskey Clustering with Groovy and Apache Ignite paulk
In a previous blog post , we looked at using Apache Wayang  (incubating) and Apache Spark to scale up the k-means clustering algorithm. Let's look at another useful technology for scaling up this problem, Apache Ignite . They recently...
NetBeans Pub Hangout in Prague Geertjan
A group of Java engineers gathered in a pub in Prague last night to celebrate many years of their engagement in NetBeans, all having worked in Sun Microsystems or Oracle or both, continuing into the Apache world where NetBeans is now found. This will not be...
Groovy Dates And Times Cheat Sheet paulk
Java has had a Date class from the very beginning and Groovy supports using it and several related classes like Calendar . Throughout this blog post we refer to those classes as the legacy date classes . Groovy enhances the experience of using the legacy...

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