groovyblogs.org - Recent Entries (Last 7 Days)

Impressions from Groovy Grails Exchange - day 2

Grails Diary [ 88 clicks ] - 4 hours ago

Graeme Roche kicked of day two of the Groovy Grails Exchange with the keynote: 'Road to Grails 3.0'. He presented several tentative dates fro Grails releases, 2.3.5 before the en...

Dropwizard and Groovy talk from GGX

Dump brain here : Flex, AIR, Grails, Groovy, Facebook and all that jazz [ 91 clicks ] - 11 hours 5 minutes ago

Slides

Day One at Groovy & Grails eXchange 2013

Intelligrape Groovy & Grails Blogs [ 151 clicks ] - 14 hours 42 minutes ago

The day one at GGX 2013 London was really awesome. The atmosphere, the sessions and the speakers really made the day wonderful.��We could feel the buzz and energy of the thriving and closely knitted G...

Codd��s Relational Vision: Has NoSQL Come Full Circle?

Groovy Zone - Everything for the Groovy & Grails developer [ 123 clicks ] - 14 hours 50 minutes ago

Recently, I spoke at NoSQL Matters in Barcelona about database history. As somebody with a history background, I was pretty excited to dig into the past, beyond the hype and marketing fluff, and look ...

Impressions from Groovy Grails Exchange - day 1

Grails Diary [ 229 clicks ] - 1 day 2 hours 25 minutes ago

Finally, the Groovy Grails Exchange starts, and the opening keynote was by Guillaume Laforge, titled 'The Groovy Update'. This year Guillaume skipped the past part of the update, and ...

Groovy Goodness Notebook Updated with New Groovy 2.2 Features

Messages from mrhaki [ 125 clicks ] - 1 day 8 hours 52 minutes ago

Groovy Goodness Notebook was released in June 2013. Now I have updated the book with extra subjects, which were published on this blog. The updated book now includes the following new subjects, includ...

Mark Zuckerberg at NIPS: My Brain Melts.

Groovy Zone - Everything for the Groovy & Grails developer [ 436 clicks ] - 1 day 13 hours ago

Preview Text: So this actually happened: Mark Zuckerberg, CEO of Facebook, has attended the annual NIPS (Neural Informati...

Listening and Logging Ant Output in Groovy

Groovy Zone - Everything for the Groovy & Grails developer [ 185 clicks ] - 1 day 13 hours ago

In the comments section of my post Executing Ant Build File Targets from Groovy, Preview Text: In the comments section of my post Executing...

Some approaches for diagnosing spring-security-core login errors

An Army of Solipsists [ 226 clicks ] - 1 day 18 hours 27 minutes ago

If you use the Grails spring-security-core plugin and you’re unable to authenticate, it can be hard to know where to start looking for the cause. Often it’s due to confusion from older blo...

Grails Config Values Per Tomcat Host

Object Partners Inc » Blog [ 306 clicks ] - 2 days 4 hours 54 minutes ago

Sometimes in a Grails application it is necessary to have configuration values available at the Tomcat Host level. An example of such a situation would be needing multiple Hosts in a single Tomcat ins...

Neo4j 2.0 Released: 5 Ways It Will Help You Kick Ass

Groovy Zone - Everything for the Groovy & Grails developer [ 128 clicks ] - 2 days 5 hours 8 minutes ago

[This post was originally written by Peter Neubauer]Christmas is near, and to ease the tension until the big event, we thought we'd give you an early present this year. Neo4j 2.0 - a graph database fo...

Grails Goodness: Debugging App in Forked Mode

Messages from mrhaki [ 112 clicks ] - 2 days 7 hours 23 minutes ago

Since Grails 2.2 by default the run-app command will launch the Grails application in a separate Java Virtual Machine. This is called forked Tomcat execution in Grails. This way the class path of the ...

Tuning MongoDB Performance with MMS

Groovy Zone - Everything for the Groovy & Grails developer [ 244 clicks ] - 2 days 14 hours 36 minutes ago

At MongoLab we manage thousands of MongoDB clusters and regularly help customers optimize system performance. Some of the best tools available for gaining insight into our MongoDB deployments are the ...

Neo4j: Using Aliases to Handle Messy Data

Groovy Zone - Everything for the Groovy & Grails developer [ 98 clicks ] - 2 days 14 hours 36 minutes ago

One of the common problems when building data-heavy applications is that names of things in the domain are often named differently depending on which system you get the data from. This means that we...

Why Elasticsearch? - Refactoring Story, Part 3

Groovy Zone - Everything for the Groovy & Grails developer [ 243 clicks ] - 2 days 14 hours 36 minutes ago

As part of a system refactoring process, we replaced a legacy search system with Elasticsearch. Being a core component of our system it literally took us more than half a year to move to the new sys...

When Hadoop Gets Stuck: Debugging Hive

Groovy Zone - Everything for the Groovy & Grails developer [ 228 clicks ] - 2 days 14 hours 36 minutes ago

This recent article from David Chaiken at Altiscale discusses how to debug Hive (Hadoop) through an anecdote regarding a customer's struggling Hive job. Preview Text: ...

Grails Goodness: Rendering Partial RESTful Responses

Groovy Zone - Everything for the Groovy & Grails developer [ 208 clicks ] - 2 days 14 hours 36 minutes ago

Grails 2.3 added a lot of support for RESTful services. For example we can now use a respond() method in our controllers to automatically render resources. The respond() method acc...

Kill A Process With A Specific Command Line From The Command-Line In Windows

Transentia [ 363 clicks ] - 3 days 12 hours 14 minutes ago

You learn something new every day! After a bit of wrestling with windows’ tasklist and taskkill tools, I finally took to the faboulous interweb and came up with this, viz: wmic Path win32_proces...

21 Presentations from NoSQL Matters

Groovy Zone - Everything for the Groovy & Grails developer [ 309 clicks ] - 3 days 13 hours 5 minutes ago

The NoSQL Matters conference took place in Barcelona on November 30th, and now you can find slides from the presenters all collected in one place. Also, they aren't posted yet, but videos should be co...

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

Groovy Zone - Everything for the Groovy & Grails developer [ 252 clicks ] - 3 days 13 hours 5 minutes ago

I want to introduce the concept of a season into my graph so I can have import matches for multiple years and then vary the time period which queries take into account. I started by creating season ...

Big Data Search with Solr and Hadoop

Groovy Zone - Everything for the Groovy & Grails developer [ 289 clicks ] - 3 days 13 hours 5 minutes ago

This set of slides from Mark Miller on the applications of Apache Solr and Hadoop in search takes an interesting look at one of the key uses of Solr with Hadoop. The slides give a brief overview of th...

Grails Goodness: Using Closures for Select Value Rendering

Messages from mrhaki [ 176 clicks ] - 4 days 7 hours 47 minutes ago

To generate an HTML select we can use the Grails tag <g:select .../>. We use the optionValue attribute to specify a specific property we want to be used as the value. But we can also define a cl...

Grails Goodness: Rendering Partial RESTful Responses

Messages from mrhaki [ 166 clicks ] - 4 days 7 hours 47 minutes ago

Grails 2.3 added a lot of support for RESTful services. For example we can now use a respond() method in our controllers to automatically render resources. The respond() method accepts a resource inst...

Presentation: Programming in the Cloud - Groovy as an Extension Language for Oracle ADFm

InfoQ Personalized Feed for Marco Cicolini [ 230 clicks ] - 4 days 14 hours 3 minutes ago

Jim Driscoll discusses using ADFm to create and change Groovy scripts at runtime and debugging a live system with JWDP. By Jim Driscoll

Presentation: RESTful Groovy

InfoQ Personalized Feed for Marco Cicolini [ 211 clicks ] - 4 days 14 hours 3 minutes ago

Kyle Boon reviews 3 frameworks for building RESTful WS- Grails, Dropwizard and Ratpack-, comparing their code readability, maintainability, deployment, metrics collection, scalability and testability....

Why the MongoDB Haters are Wrong

Groovy Zone - Everything for the Groovy & Grails developer [ 336 clicks ] - 4 days 14 hours 46 minutes ago

This article by David Mytton at Server Density, 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...

Introduction to Machine Learning: Everything You Need to Know

Groovy Zone - Everything for the Groovy & Grails developer [ 308 clicks ] - 4 days 14 hours 46 minutes ago

This presentation from Hilary Mason at devs love bacon in April, titled "Everything You Need to know about Machine Learning in 30 Minutes or Less," is an introduction to machine learning for those who...

Grails Diary - Week 49

Grails Diary [ 414 clicks ] - 5 days 3 hours 5 minutes ago

The Grails team is again working high speed, and have released version 2.3.4 ( release notes ), fixing 35 bugs. The JavaOne rock stars for 2013 have been announced . Big congratulations to eve...

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

Groovy Zone - Everything for the Groovy & Grails developer [ 366 clicks ] - 5 days 13 hours 32 minutes ago

Make sure you didn't miss anything with this list of the Best of the Week in the NoSQL Zone (Nov. 29 to Dec. 5). Here they are, in order of popularity:1. An Entertaining Cartoon That Explains Apache...

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

Groovy Zone - Everything for the Groovy & Grails developer [ 325 clicks ] - 5 days 13 hours 32 minutes ago

Make sure you didn't miss anything with this list of the Best of the Week in the Mobile Zone (Nov. 29 to Dec. 5). Here they are, in order of popularity:1. How to Optimize Android Apps for Superior P...

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

Groovy Zone - Everything for the Groovy & Grails developer [ 308 clicks ] - 5 days 13 hours 32 minutes ago

Make sure you didn't miss anything with this list of the Best of the Week in the Big Data Zone (Nov. 29 to Dec. 5). Here they are, in order of popularity:1. Curing Cancer with Data VisualizationEver...

On Eventually Consistent Data

Groovy Zone - Everything for the Groovy & Grails developer [ 490 clicks ] - 6 days 14 hours 55 minutes ago

Eventually consistent data seems to be the buzzword nowadays, especially in any NoSQL discussion. For those not versed in tech talk, having eventually consistent data means that you��re willing to...