This week's book giveaways are in the Scala and Android forums. We're giving away four copies each of Machine Learning Systems: Designs that scale and Xamarin in Action: Creating native cross-platform mobile apps and have the authors on-line! See this thread and this one for details.
What is your favorite ant bui=ld script strategy for building j2me midelts or libraries? For example some of us use conditionals to check if specific properties are set via a buidl.properties file ro env variables via the OS system and if that fials to wanr the user to set those itmes before trying to run the script..