• submit to reddit
Ayende Rahien02/24/14
8019 views
8 replies

Fail, Fail, Fail: More Job Candidate Fails

Sometimes, reading candidates' answers pisses the author off. He has a question that goes something like this: "We have a 15TB csv file that contains web log, entries sorted by date. Find all log entries within a given date range. You may not read more than 32 MB." This is how one candidate replied.

Alec Noller02/23/14
6832 views
0 replies

The Best of the Week (Feb. 14): 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 debugging a failing unit-test which interacts with RavenDB, part two of a tutorial on building a recommendation engine in Neo4j, why Cassandra's plainness makes it better than MongoDB, and more!

Leif Walsh02/22/14
4897 views
0 replies

What’s New in TokuMX 1.4, Part 3: Optimized Updates

In this series of blog posts, the author describe the most interesting changes in TokuMX 1.4.0 and how they’ll affect users. Part 3 covers performance improvements that were achieved by making two big changes to how updates are implemented.

Benjamin Ball02/19/14
8233 views
0 replies

DZone Weekly Link Roundup (Feb. 19)

The Sochi Olympics gets a new RESTful API for data lovers, Windows finally looks for platform unity, expensive 3D printers can now be yours, Coursera professes love for Scala, Oracle looks to please miffed Java devs, Irrational Games closes its doors, and Valve profusely explains to the gaming community.

Alec Noller02/19/14
13086 views
0 replies

Dev of the Week: Rafał Kuć

Every week here and in our newsletter, we feature a new developer/blogger from the DZone community to catch up and find out what he or she is working on now and what's coming next. This week we're talking to Rafał Kuć, software architect and Solr and Lucene specialist.

Alec Noller02/16/14
6782 views
0 replies

The Best of the Week (Feb. 7): 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 tips on how to tune the JVM to improve performance in Cassandra, VoltDB's embrace of Groovy, part 1 of a series on building a recommendation engine with Neo4j, and more!

Alec Noller02/16/14
6370 views
0 replies

The Best of the Week (Feb. 7): 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 some embarrassing code samples from job candidates, data science news from Arthur Charpentier, a review of Andrew Chisholm's "Exploring Data With RapidMiner," and more!

Jose Maria Arranz02/15/14
10117 views
0 replies

RelProxy: A Hot Class Reloader and Scripting for Java and Groovy

RelProxy has three principal features: A class reloader in runtime from source code in Groovy or Java, a scripting environment for Java as a scripting language, and JSR-223 Java Scripting API support. In this article, you'll learn about all three.

Hubert Klein Ikkink02/14/14
4894 views
0 replies

Grails Goodness: Run Forked Tests in IntelliJ IDEA

In the latest Grails releases we can execute our tests in so-called forked mode. This means a separate JVM is started with an isolated classpath from the Grails build system

Ayende Rahien02/12/14
9492 views
0 replies

Quick FAILs in Code Questions

Sometimes it takes very little time to know that a candidate is going to be pretty horrible. As you can probably guess, the sort of questions we ask tend to be “find me this data in this sort of file.” Probably the fastest indication is when they send me projects like these.

Alec Noller02/12/14
10100 views
0 replies

Dev of the Week: Ariya Hidayat

Every week here and in our newsletter, we feature a new developer/blogger from the DZone community to catch up and find out what he or she is working on now and what's coming next. This week we're talking to Ariya Hidayat, engineer at Shape Security and creator of PhantomJS and Esprima.

Mike Stonebraker02/12/14
5946 views
0 replies

VoltDB is a Churning Urn of Groovy Funk

VoltDB is welcoming Groovy into its ecosystem as its first inline procedure language. Code your procedure logic straight into the DDL, bypassing the Java procedure requirements to edit/compile Java source files separately. In this article, you'll learn how to work with VoltDB using Groovy.

Hubert Klein Ikkink02/11/14
4769 views
0 replies

Grails Goodness: Customize Root Element Name Collections for XML Marshalling

When we convert a List or Set to XML using the Grails XML marshalling support the name of the root element is either or .

Alec Noller02/09/14
8188 views
0 replies

The Best of the Week (Jan. 31): 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 fix for a Neo4j exception, a library called Ottoman for using Couchbase from Node.js, a how-to for setting up a maintenance channel to a Neo4j database, and more.

Marcin Grzejszczak02/08/14
6226 views
0 replies

Introduction to Groovy Runtime Metaprogramming and AST Transforms

I'm very happy to share my presentation regarding Groovy metaprogramming and AST transforms.