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Micheal Shallop06/22/12
5136 views
0 replies

MongoCursorException: E11000 Duplicate Key Error Index

The problem: I’m working on a project where I’m taking a csv file that contains a little more than 100 columns of data by 10,000 rows. . . but when I turn-on processing for the other 9,999 rows, all I get stored into mongo is the first row of data.

Kelvin Tan06/22/12
6646 views
0 replies

Connecting Redis to ElasticSearch For Custom Scoring With Nativescripts

After connecting Redis and MongoDB to Solr, I figured it'd be interesting to do the same with ElasticSearch. Here's the result of my experiments:

Sasha Goldshtein06/22/12
3164 views
2 replies

Doing Micro-Benchmarking Wrong for the Wrong Reasons

The worst performance optimization is one that is based on incorrect measurements; unfortunately, manual benchmarking often leads into this trap.

Shameer Ch06/22/12
9102 views
0 replies

Welcome to OpenStack - An Introduction

Take a few minutes to get to know the completely open-sourced cloud platform from the OpenStack foundation.

Gordon Dickens06/22/12
4569 views
0 replies

SpringSource Tool Suite FAQ

Eclipse is one of the most popular IDEs for Java & Spring application development. Spring has developed the Spring IDE plugin providing developers with Spring aware tooling for our projects.

Jay Fields06/22/12
2563 views
0 replies

Clojure: name Function

The 'name' function is a clojure function that returns the string for a keyword, symbol, or string.

Marco Tedone06/22/12
3240 views
0 replies

Measuring Your IT Ops - Part 1

An indispensable IT ops measurement is FALT, (Feature Average Lead Time). What kind of measure is this and why is it important?

Spike Morelli06/22/12
5079 views
0 replies

Graphite-Web Puppet Module and Patch for Collectd’s RRD Support

If you’re running collectd chances are you’ve struggled or are struggling with the web frontend. The one shipped with collectd has some limitations and most people tend to use 3rd party solutions. Graphite has its own storage system called whisper, so here are some things elated to that.

James Sugrue06/22/12
4256 views
0 replies

Seven Databases in Song

It's Friday, so why not take 2 minutes out of your day for this fun song, with the added advantage of learning about seven of the most popular databases available. Be warned though, it's pretty catchy!

Mitch Pronschinske06/22/12
34674 views
14 replies

Poll: Which Programming Language Needs to Die?

Pretty simple question. Which programming language do you think is bad for the developer community while it's still being used? Or which language do you think has stuck around in the industry for too long?

Marco Tedone06/21/12
2146 views
0 replies

The Importance of Measuring Your IT Operations

How could one tell if an IT organisation is working well? A simple measure could be to check the delivered business functionalities versus the requested ones;

Ravi Kalakota06/21/12
11979 views
1 replies

A Primer on Big Data, Hadoop and "In-memory" Data Clouds

Treabytes, Petabyts, Exabytes, Zetabytes? The world of big data is getting bigger; take some time to learn about big data, hadoop, and "in-memory" data.

Ben O' Day06/21/12
8467 views
1 replies

Managing ActiveMQ with JMX APIs

The APIs can easily be used to build a web or command line based tool to support remote ActiveMQ management features. That being said, all of these features are available via the JMX console itself and ActiveMQ does provide a web console to support some management/monitoring tasks.

Gordon Dickens06/21/12
29286 views
1 replies

Spring 3.1 Environment Profiles

Spring 3.1 now includes support for the long awaited environment aware feature called profiles. Now we can activate profiles in our application, which allows us to define beans by deployment regions, such as “dev”, “qa”, “production”, “cloud”, etc.

Ofir Nachmani06/21/12
4787 views
0 replies

Conspiracy Theory: The Amazon Outage

This is a follow up to a previous post first published in 2011 about Amazon's great cloud conspiracy - let us know what you think.