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Episode 38. Hyperthreading, L1/L2 caching, cache busting, thread trashing, and priority bumping!

So we hear about HyperThreading and how it is sooo cool, well, it is and it isn’t. If you are really trying to squeeze performance out of your application HyperThreading might not be what you’re looking for. There are so many other things that happens at the CPU level that have so weird names (like...

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Episode 37. Of Bits and Masks and Bytes and Trees and Games

Have you ever wonder how bit masking work (or what is that?) and why do you need it? Or why a tree structure exists? (or what is breadth first vs depth first), or what are game trees? We put our Computer Science hat and go “depth first” in some fundamental compsci concepts, and, more importantly...

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Episode 36. An Intro to Multithreading Programming

This is a presentation I did for the Chicago Java Users Group on the topic of multithreading. There are some solid foundations in here to start tackling multithreading programming. Some of it might’ve been already been seen in depth from our other episodes, but in all, it has good foundations for anyone that does multithreading...

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Episode 35. Recursion, Doubles and Strings (A little for everyone!)

You remember recursion right? that ugly, confusing thing they made you do either on CS-300, or at job interviews. Have you ever wondered how to make it safe and right? and why do we really use recursion? In this episode we go into proper recursion programming (and lose the fear of making it wrong), and...

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Episode 34. New Year’s (2013) Resolution! Less bugs and more coverage!

Episode 34. New Year’s (2013) Resolution! Less bugs and more coverage! Ok, so we all celebrated (but may not remember) the end of the old year and the beginning of a new year! This is a time for starting new things, and trying to be a little better. How about starting by looking at our...

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Episode 33. Does code dream when it hibernates? A quick look on the big things of Hibernate

Databases have been around forever! (or at least from the 1970s) and there are many things that try to hook Object Objected Programming with Relational Databases (namely, O/R mappers). Hibernate is the most known O/R mapper and, while effective sometimes it can be confusing. In this podcast we delve on how to understand our misunderstood...

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Episode 32. Java 6 is sooooo Last Year. A guide on the features and how-to migrate to Java 7

Episode 32. Java 6 is sooooo Last Year. A guide on the features and how-to migrate to Java 7 —- Shout out to the Chicago Java User’s Group! Glad to be part of the Board! And Shout out to Peter Hendriks and Tim Prijn for their presentation! (https://oracleus.activeevents.com/connect/sessionDetail.ww?SESSION_ID=4153). If interested, click on the ‘media’ icon...

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Episode 31. Know your bounds! Generic bounds that is (a story that extends super!)

Big shout-out to everyone I met at JavaOne (including some avid podcast listeners!). Thanks for listening and for a great time down at JavaOne! Don’t worry, we will be sharing all the stuff I learned on new episodes of the podcast. It is also our Birthday (We have been airing episodes for a year!)! Happy...

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Episode 30. I always thought Generics were as good as brand name Erasers (Java Generics part 1)

Hi there! Finally back on a (hopefully) standard schedule. I have been moving a house with three kids, two cats, one wife, one dog, and one grandma (they are heavy!, just kidding!) and just found the box with the podcast equipment! we hit the ground running with Generics. What are the benefits (and potential pitfalls)...

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For those of you going to JavaOne San Francisco 2012

See if you can spot me! I’ll be tweeting my location @fguime and be wearing the above t-shirt Hope to see you there! Ah, and if you like the t-shirt, drop me a line, if there is enough interest we can create a store! Freddy Guime

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