Javalobby | The heart of the Java developer community

Christopher Taylor05/17/13
1565 views
0 replies

Big Data Ends the Era of Hunches

What’s truly changed is the amount of information that we now have on every imaginable demographic. Today’s systems track and store every purchase by every consumer in a way that turns us from extrapolation to intimate knowledge instead.

Reza Rahman05/17/13
1070 views
0 replies

JDBC/Form-Based Authentication in GlassFish

Security, specifically authentication and authorization, is one of the least well understood parts of Java EE.

Trisha Gee05/17/13
1322 views
1 replies

How are You Using MongoDB with Java?

I'm not going to bother with survey monkey or whatever, I want to share the answers so please, answers in the comments:

Mitch Pronschinske05/17/13
2181 views
0 replies

Stupid Questions and n00bs: 10 Intriguing Things You Should Do

It really doesn’t matter how long you’ve been in this industry or which position you hold, understanding generation n00b and the value it brings should be mandatory for you.

Alexander Beletsky05/17/13
2640 views
0 replies

GitHub as a blogging platform

No, I'm not going to talk about creating some github-backed blogging system. I would like to talk about a blogging style I tried to apply recently to GitHub

John Blanco05/17/13
2572 views
0 replies

Google is Winning the Developers; How Apple Can Win Them Back in an Instant

Google is winning the developers. The tools are outpacing Apple’s XCode which still suffers from excruciatingly long wait times to get the most obvious, and obnoxious, bugs fixed up. Storyboards are a duplication of XIB’s without replacing them. Autolayout is an unmitigated disaster.

Alex Ruiz05/17/13
1684 views
0 replies

Android Studio: Our New, Shiny Android IDE

The cat is out of the bag: yesterday, during Google I/O‘s keynote, we announced our new IntelliJ IDEA-based Android IDE, Android Studio. This is what my team has been working on for the past months.

Steven Lott05/17/13
1862 views
0 replies

Legacy Code Preservation: Why Preserve the DSL?

A Domain-Specific Language (DSL) can provide some intellectual leverage. We can always write long and convoluted programs in a general-purpose programming language (like Python, Java or C). Sometimes it can make more sense to invent a new domain-specific language and implement the solution in that language.

Tomasz Nurkiewicz05/17/13
2325 views
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Java 8: CompletableFuture in action

After thoroughly exploring CompletableFuture API in Java 8 we are prepared to write a simplistic web crawler.

Hubert Klein Ikkink05/17/13
1573 views
0 replies

Grails Goodness: Checking Results from Forward Action in Controller Unit Tests

In Grails we can write unit tests for controllers. We can check for example the results from a redirect() or render() method.

Arthur Charpentier05/17/13
1344 views
0 replies

From a Random Generator to a Random Function

Is it possible to reproduce the random generator? Yes, we can. And it is quite simple, if you use the appropriate library and the appropriate function.

Rob J Hyndman05/17/13
1298 views
0 replies

Forecasting Annual Totals From Monthly Data

I’ve come across this problem before in my consulting work, although I don’t think I’ve ever published my solution. So here it is. If x is your monthly time series, then you can construct annual totals as follows...

Mitch Pronschinske05/17/13
1229 views
0 replies

A Look at How ZeroMQ Became a Leading Message-Passing Library

Pieter Hintjens, a maintainer of ZeroMQ: The Definitive Guide, discusses the patterns, the code, and the community behind this message-passing library.

Seth Proctor05/17/13
1120 views
0 replies

NuoDB and Hibernate

For Java users, NuoDB provides a Hibernate dialect that supports both version 3.6.6 and 4.1.x of Hibernate.

John Cook05/17/13
1054 views
0 replies

Searching for Perrin Pseudoprimes

A week ago I wrote about Perrin numbers, numbers Pn defined by a recurrence relation similar to Fibonacci numbers. If n is prime, Pn mod n = 0, and the converse is nearly always true. That is, if Pn mod n = 0, n is usually prime. The exceptions are called Perrin pseudoprimes.