Recently Posted Videos

Jared Kuolt shows how to quickly deploy your Rails application to a Slicehost VPS. This talk covers installing MySQL, Nginx, Rails and Mongrel, as well as deployment using Capistrano.

Summary This talk covers the key aspects of the Java Persistence API and its role in the development of EJB 3 app, including use of the EntityManager API, persistence units and persistence contexts, queries, object/relational mapping, and how the combination of EJB 3 and Java Persistence facilitates the development of Java EE applications. Bio Linda DeMichiel is a senior architect in the Java E...

Add a calculated field to a pivot table. Episode 292 shows you how.

Szilvia from California calls in today with a great question.... How could I have written an entire book on pivot tables and never mentioned the Show Pages feature? We will try it out on today's podcast and I have to admit, it is one of the cooler features in pivot tables. Basically, if you need to create a report for every customer in your database, you can do it with the Show Pages feature in...

I use this trick all of the time. Say that you have two versions of a list. You have the current version and an old version. You want to see what changed between the two versions. Rather than try to build complicated VLOOKUP formulas, use a simple pivot table to compare the two lists. Episode 290 shows you how.

If there is one thing that bugs me about pivot tables it is the STUPID outline view that Microsoft uses for pivot tables with 2 or more fields in the row area. Come on, Microsoft - blank cells are evil. Why do you insist on filling column A with blank cells? In today's podcast, I attempt to shake off the post-holiday picnic cobwebs and demonstrate FOUR arcane steps needed to fix this maddening ...

Sometimes you need to take the results of your pivot table to another system. There are a few problems with the default outline view of a pivot table. First - the subtotal rows can get in the way, particularly when you have two or more fields in the row area. Episode 288 will show you how to remove subtotals from from a field.

Summary InfoQ spoke with Joe Walker at QCon London 2007 about the DWR toolkit. Walker discussed DWR 2.0 including new features such as details about 'reverse AJAX', the deal with TIBCO, DWR support in IDEs, the integration with Spring, future plans for DWR, and interesting applications of DWR from the very large to the very flashy. Bio Joe Walker is a developer and consultant working on advance...

Summary Here is a story about Agile's use in a governmental organisation: at the 2006 APLN Leadership Summit Mark Salamango and John Cunningham looked at the problems and opportunities of introducing Agile in Army environments. True Agile practices cannot be 'commanded' or 'directed’ but frequent delivery offers Agile leaders a "soft" kind of power that is, in fact, very effecti...

The ability to think outside the box can come in handy when working in Photoshop. Sometimes, however, you just need a quick way to make a really interesting and visually appealing image.In this episode of Photoshop Quicktips I show you how to create a nice abstract background without having to think at all! This is a great technique that can be used for a variety of things. Give it a try and I'...