How To Develop A Firefox Extension - DZone Web Dev
admit that you have always wanted to know how to develop a firefox extension but never had the time to learn. here i will walk you through and at the end of the article we will have created a fully functional firefox extension! our objective we will create a firefox extension to find all links in the current web page, highlight those which have a target attribute and alert you how many links it fo
What is Java VisualVM? - DZone Java
Java VisualVM, the new JDK tool since JDK 6 Update 7, provides a wide range of troubleshooting features for various kinds of Java applications. Whether you're new to this tool or already have some experience with it, the brand new screencast below should serve to give you a thorough introduction or answer any questions you might still have about it: Should this tool do things it currently doesn't?
Creating Objects in Java Unit Tests - DZone
Most Java unit tests consist of a Class Under Test (CUT), and possibly dependencies or collaborators. The CUT, dependencies and collaborators need to be created somewhere. Some people create each object using 'new' (vanilla construction), others use patterns such as Test Data Builders or Object Mother. Sometimes dependencies and collaborators are instances of concrete classes and sometimes it make
Static Methods are Death to Testability - DZone Agile
Recently many of you, after reading Guide to Testability, wrote to telling me there is nothing wrong with static methods. After all what can be easier to test than Math.abs()! And Math.abs() is static method! If abs() was on instance method, one would have to instantiate the object first, and that may prove to be a problem. (See how to think about the new operator, and class does real work) The ba
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