Archive for April, 2009
The Joy of Null: Continued
April 16th, 2009 by Scott SelikoffIn Part 1 of The Joy of Null I discussed a variety of ways null-equivalent values make it into the software design. Often times, developer laziness or immutability of the database tier drives many developers to insert values that simulate null values, rather than using a database null itself. In this second half, I’ll talk […]
Posted: 16 April, 2009 in Database.
Tags: Database, Java/Java EE, JDBC
Comments: -
perpetual novice – years of experience vs skill
April 12th, 2009 by Jeanne BoyarskyMost job listings ask for a certain number of years of experience. Either in a particular technology or in the industry. This presumes that the developer learned each year. I read a quote about whether the candidate has five years of experience or the same year of experience five times. I don’t remember where this […]
Posted: 12 April, 2009 in Development Process.
Comments: 10
The Joy of Null
April 7th, 2009 by Scott SelikoffOften in the database world, you do not have all the information needed to create a record. For example, you may have a person’s full name but not their middle name or initial, or you might be missing their date of birth. In such cases, the recommended solution is to fill that field with a […]
Posted: 7 April, 2009 in Database.
Tags: Database, Java/Java EE, JDBC
Comments: 8