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Spring AOP Advice on Annotated Controllers

Spring AOP (Aspect-oriented programming) framework is used to modularize cross-cutting concerns in aspects. If you want a more simple definition you can think of them as a Interceptor but with more options configurations possible.  In Spring there are two different constructs that get called “interceptors”. First, there are Handler Interceptors, which are part of the Spring MVC [...]

Round a number to 2 decimal places in Java

When we are working in a software project that uses numeric quantities and in with many different formats, such as financial applications, we have to deal with problems viewing these numbers. For example we can use the float type to represent a given concept non-monetary concept (for monetary concepts is preferable to use BigDecimal object), [...]

Quiz abstract classes in Java: call from a concrete method to an abstract one

  Understanding how works abstract class and the differences with an interface is very important if you want to make a good OOP design in Java. Basically an abstract class is a class that is declared as abstract, it can include both abstract and not abstract methods. Abstract classes cannot be instantiated but they can [...]

The method getTextContent() is undefined for the type Node

The method getTextContent() is undefined for the type Node You can get this kind of error when your develop a system that use xml manipulation using library xml-apis. If you try to find a solution by a search in google you can find solutions like: org.w3c.dom.Node.getTextContent() is only available as of Java 1.5 But, you [...]

Use separate folder from apache to develop with PHP

Most of php developers use in their local environments a configuration similar to: Apache + PHP + Mysql. It´s very common the use of integrated solutions such us XAMPP. IDE such us Eclipse (eclipse PDT), Zend Studio,etc.. A debugger: Zend Debugger is the most recommended.   Install XAMPP (or similar solutions) and the IDE is [...]

Development environment for wordpress: instant wordpress

Development environment for wordpress is a thing that you have to use sooner or later. Instant WordPress is a complete standalone, portable development environment for wordpress. It turns any Windows machine into a WordPress development server and can even run from a USB key. If you’re a Windows user, you may be wondering how Instant WordPress [...]

Magazine WordPress Theme: Nobeliumful and others free themes

Magazine WordPress Theme is one of the most recent trends in the blogosphere by the rise in popularity. If you want to estructure your blog as a magazine tou need a Magazine WordPress Theme.  Many of them are paid themes, but there are also a few free magazine WordPress themes for people to download. Nobeliumful: [...]

Van Halen ‘s Brown M&M Clause: simple and genious.

Van Halen’s concert contracts famously (or, infamously) required that brown M&Ms be forbidden from the band’s dressing room. Image from  The Smoking Gun Some thought the demand eccentric or a clever loophole to slip out of a contract. The reality is a good reminder that we always need to dig deeper. The legend of the brown M&Ms clause is funny and [...]

Blind Text Generator: tool for generate Dummy text

There are many tools to generate dummy text, one of this is Blind Text Generator.  In a earlier post I describe what is dummy text and how we can use in software development. This handy tool helps you create dummy text for all your layout needs. You can choose different dummy text, also, it come with [...]

Software architects: bad reputation in agile environments

Why people think that in a agile environment there couldn´t be software architects? Nowadays, it´s very common listen about agile development. In the article from Simmon Brown at Coding  The Architecture say: Agile undoubtedly has a number of benefits but it isn’t necessarily the silver bullet that everybody wants you to believe it is. As with [...]