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Simple Pie Chart in React
Oh boy, it’s been over a year since I last posted. Too much learning, and trying to keep my head above water with all that’s new in the javascript eco-system. Anyway here is a very simple pie chart as a … Continue reading
Disadvantages of using GIT over other version control systems
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First AngularJS Application
I created my first AngularJS application. It is a simple application that allows a user to create a pie chart. You can have a look at it in action if you click on this link : http://blue-walrus.com/pie-chart-creator/ I wanted a … Continue reading
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Setting up an Oracle Database in Glassfish for JEE Applications
Setting up an Oracle database connection in Glassfish 4 is relatively simple, but can be confusing and a little frustrating at times. Hopefully this mini tutorial will get you up and running quickly and painlessly. Setup Pool Select Resources –> … Continue reading
Monty Hall Problem in Java
I recently stumbled across something called the Monty Hall Problem. It is a basic probability problem that seems mind blowingly non-intuative to most people. There are a lot of descriptions on this on the web, but basically the problem is … Continue reading
java.lang.VerifyError: Illegal target of jump or branch … possible cause!
I got this error the other day. It usually happens when you have crazy methods which are too long. But in my situation that wasn’t the case. I found out through trial and error that I was throwing a RuntimeException … Continue reading
Why Implements is ‘Evil’
I stumbled across this really old article titled ‘Why Extends Is Evil’ by Allen Holub. A solid bunch of OO practitioners out there seem to think along the lines of what this article is stating, namely, that using ‘extends’ is … Continue reading
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Tagged anti pattern, class diagram, extends, implements, relationship, uml
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Feng Shui Your Java Class
Just like some people clutter their aparments with abdominal exercise machines and informercial food processors, programmers also clutter their classes with well meaning, but ultimately useless features. You want to give the next visitor to your class a sense of … Continue reading
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Yoda conditions in Java .. a dangerous technique
A common practice I have seen is the placing a constant on the left hand side of an equality statement (usually called a Yoda Condition). Typically the constant is a string, and this constant is being compared to some other object, or … Continue reading
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Tagged exception, java, nullpointer, nullpointerexception, reverse equals, yoda
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