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Community
Know how persist document in the Cassandra in a way fairly simple
Welcome java 7 - Part 1
Education
This article has the main objective show a little example for persist information in Cassandra using java.
For demonstrated the persistence with Cassandra will used the Easy-Cassandra, a framework open source for use this SGBG in an easy mode.
@ColumnFamilyValue(nome = "person")//
public class Person implements...
Many things changed from java 1 in 1995 at java 7 2012. Learn about this reading this article.
A preview of the pure Java version of VisualLangLab is now available. The GUI, and other characteristics, are virtually identical to the previous version, but the JAR file is very much smaller as it does not bundle the Scala API jars.
Open Source
Old friends may want to gather in Brussels the weekend of February 4-5 for FOSDEM.
Recently there has been a renewed interest into the Actor programming model. The Actor Model actually comes from the '70s, but as far as I'm aware it has been used only in a very limited subset of industrial projects outside the area of telecoms. Erlang (not by chance developed at Ericsson, a telecom industry), which is a language whose concurrency model is actor oriented, is getting some...
I've just left a meeting where the PM congratulated the team because the customer accepted a product release that was made with three weeks in advance of the original plan. First, thank to the developers' team. Second, thank to the good development process (people and process are always the important things, more than technology). Third, thank to libraries and software factory, including...
My OSCON Friday, 07/29/2011
Note
3.500 registered attendees
18,000 viewed live streams on web
1/7 talk acceptance rate
Table of Contents
1 10:00am - Manage Distributed Systems with Zookeeper
2 11:00am - Cultivating Open Geo-Data in the Real-World: A Guided Tour of Three Portland-based Projects
3 11:50am - Android Infrastructure, the Workings behind the Curtain
4 12:40pm - All Your...
My OSCON Thursday, 07/28/2011
Table of Contents
1 Java Videos/Slides
2 10:40am - Big Data; Small Problems (And a Tale of Two Sequels)
3 11:30am - Building a Machine Learning Lab that Scales in Your Garage
4 11:30am - Wheeler
5 1:40pm - Utility and Automation: Low Overhead Operations with Amazon and Puppet
6 2:30pm - Hacking Yourself with Open Source Software
7 4:10pm - Refactoring SQL...
My OSCON Wednesday, 07/27/2011
Table of Contents
1 10:40am - Essential Data Analysis Workshop
1.1 Part 1
1.1.1 Univariate distributions
1.1.1.1 histograms and kernel density estimates
1.1.1.2 location and scale
1.1.1.3 outliers and outlier detection
1.1.1.4 power-law...
Blogging
This page is for introducing Grizzly-Thrift server/client modules and sharing various benchmarking results.
Object serialization/deserialization of Java comes expensive. For improving this lack, we sometimes used to use other frameworks for RPC such as Protobuf and Thrift which support various programming languages, RPC and own data structures.
Especilally, Thrift has already provided various...
Programming
A new tutorial exercises VisualLangLab using all the examples and techniques in Chapter-3 "A Quick Tour for the Impatient" of the book "The Definitive ANTLR Reference". A new "WildCard" pseudo-token that matches any other defined token has been added to facilitate recovery from grammar errors in the input. Read about the various other improvements that make VisualLangLab even more user-friendly.
This blog describes how to build both, a 64-bit and a 32-bit version of OpenJDK 8 on a plain, vanilla WindowsXP 64-bit operating system using only free (as in free beer) tools.
body {
font-family: arial, helvetica, sans-serif;
font-size: 10pt;
}
caption.my {
font-weight: bold;
margin: 0px 0px 10px 0px;
}
span.update {
font-weight: bold;
color: maroon...
This article presents a tutorial for implementing task-focused development using NetBeans IDE with the NBTaskFocus project. Mylyn was the popular project providing task-focused interface for Eclipse and got included in the main Eclipse distribution. These features were in a lot of demand for NetBeans IDE and NBTaskFocus project attempts to provide some of the features in demand. We can now work on our tasks in a better way in NetBeans IDE also using the NBTaskFocus modules.
VisualLangLab parsers support all (present & future) JVM languages
Task Focused Interface has become an accepted concept in the current programming paradigms. Mylyn made a breakthrough to introduce the Task Focused Interface in Eclipse world. Cubeon introduced the Task Focused concepts for NetBeans IDE, with many integrations with third party issue databases like JIRA. I was searching for a Task Focused Interface for NetBeans whch will track my opened files automatically in my current task. I ended creating one such feature in project NBTaskFocus.
J2SE
Was added to his package to facilitate applications which needs scalable processes.
A feature is atomic variable. Variable atomic means that it cannot be divided - it's like the S.O. with any resource (Driver CD, USB) cannot be divided but needs be used in many processes.
static class AtomicCounter...
GUI
Welcome java 7 part 3 -NIO 2 JSR 203
So like the coin project, in the NIO 2 there aren't unprecedented features in this e -specification, but now it's possible do some easier work I/Os in java. With the class java.io.Files are possible to perform several operations in simple mode. For that it needs and uses the java.io.file.Path, this interface represents files and...
Databases
Open source communities are attacking ETL, but are there any solutions attacking Master Data Management?
