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Mark Needham12/10/13
6343 views
0 replies

Neo4j and Cypher: Creating Relationships Between Nodes From Adjacent Rows in a Query

The author wanted to introduce the concept of a season into his graph so that he can have import matches for multiple years and then vary the time period which queries take into account. In this article, you'll find out how he did it.

Alec Noller12/10/13
2638 views
0 replies

Big Data Search with Solr and Hadoop

This set of slides on the applications of Apache Solr and Hadoop in search takes an interesting look at one of the key uses of Solr and Hadoop. The slides give a brief overview of the technologies, then explore a wide variety of different subjects in Solr and Hadoop.

Alec Noller12/09/13
9120 views
0 replies

Why the MongoDB Haters are Wrong

This article, over a year old but reinvigorated by the recent "never use MongoDB" incident and its aftermath, takes an interesting look at last year's wave of MongoDB criticism by tracking the various arguments that had been made and responding to them individually.

Alec Noller12/09/13
7312 views
0 replies

Introduction to Machine Learning: Everything You Need to Know

This presentation from Hilary Mason at devs love bacon is an introduction to machine learning for those who have no prior experience with it. Take a look if you're interested in a quick, fun overview to help you get started.

Alec Noller12/08/13
6359 views
0 replies

The Best of the Week (Nov. 29): Big Data Zone

Make sure you didn't miss anything with this list of the Best of the Week in the Big Data Zone. This week's best include a reflection on curing cancer with data visualization, how to compare word counts in two text documents using R, and working with Java 8 Lambda expressions and JDBC.

Alec Noller12/08/13
6728 views
0 replies

The Best of the Week (Nov. 29): Mobile Zone

Make sure you didn't miss anything with this list of the Best of the Week in the Mobile Zone. This week's best include tips on optimizing the performance of Android apps, a tutorial on managing async API calls with RxJava in Android, a compilation of data on user engagement between Android and iOS, and more.

Alec Noller12/08/13
6120 views
0 replies

The Best of the Week (Nov. 29): NoSQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the NoSQL Zone. This week's best include a cartoon explaining Apache Cassandra, MongoDB tests run with JavaScript and Python, an explanation of nodes in Neo4j, and more.

Lieven Doclo12/07/13
9902 views
0 replies

On Eventually Consistent Data

Eventually consistent data is a buzzword nowadays, especially in NoSQL discussions. For those not versed in tech talk, having eventually consistent data means you’re willing to sacrifice data consistency in order to gain in other areas. But most projects don't need eventually consistent data from the beginning.

Davy Suvee12/06/13
4745 views
0 replies

Yelp Graph: Business Clustering Based on Check-In Data

Recently, Yelp made available a sample dataset from the greater Phoenix metropolitan area including around 11,000 businesses and 8,000 check-in sets. We are interested in finding out whether it is possible to visually cluster businesses by category based on their check-in data.

Richard Donovan12/06/13
2976 views
0 replies

Data Loading Neo4j Graphs From SQL Sources

Neo4j is a powerful graph database that can be used for analytics, recommendation engines, social graphs and many more applications. In the following example we demonstrate in a few steps how you can load Neo4j from your legacy relations SQL source.

Alec Noller12/06/13
7260 views
0 replies

A Guide to R Programming for Experienced Developers

Experienced developers interested in learning more about programming in R have a fantastic resource in John Cook's "R programming for those coming from other languages." Cook's guide is to-the-point and concise, and focuses on the information needed to become productive with R, without a lot of fluff.

John Whish12/05/13
4417 views
0 replies

Proof of Concept for Building Websites Mobile First

You may want to show different elements on different devices, or the same elements in a different order. You can do this by duplicating content and then hiding or showing it. But the author wanted to think of a different way to address the problem, starting with a mobile first approach.

Mark Needham12/05/13
5966 views
0 replies

Neo4j: What is a Node?

One of the first things the author needed to learn when he started using Neo4j was how to model his domain using nodes and relationships, and it wasn’t initially obvious to him what things should be nodes. In this article, you'll find some tips and tricks that helped him get started.

Swizec Teller12/05/13
3632 views
0 replies

A Query on Confirmation

You’ve just found a bowl you know nothing about. You start pulling out marbles and the first 99 marbles are red. Will the 100th marble be red as well? D’oh. But is it really that obvious? How can you be sure?

Sg Ganesh12/04/13
16002 views
2 replies

Productive Programming in Groovy

Are you a Java programmer having wrist pain from typing a lot? Does your mind keep swinging from loving to hating Java? Do you want to become more productive without leaving your world of Java? If so, this article is for you. Learn how you can become more productive by slowly transitioning to Groovy.