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Computational Investing Week 2 Module 2

Module 2: Capital Assets pricing model (CAPM)

Google finance. Red is price history. Red is S&P 500 and blue XOM Exxon Mobil

Many regions the daily return is similar to both stocks. 253 more words

Java EE

ORM Tools: Take It or Leave It

At times I can be somewhat of a skeptical/cynical person. Prior to 2009, I had never used any ORM software in development. Database access was accomplished via SQL, DAOs, and boiler-plate population of model objects. 987 more words

Java EE Batch Framework - Step 3 Reader

This section will cover the batch Reader.  The reader has two main functions of importance.  The first is the open method that will setup the checkpoint and set the iterator to the correct item.   614 more words


Java EE Batch Framework - Step 2 Check Point

In this section we will discuss the check point.  The check point is a serializable  object that contains that serves as the bookmark for the batch work flow.   211 more words


How to Avoid ConcurrentModificationException when using an Iterator

Java Collection classes are fail-fast which means that if the Collection will be changed while some thread is traversing over it using iterator, the iterator.next() 849 more words