This is in the scenario where you want JBoss to handle the datasource and transactions, for example when using injected @PersistenceContext in a @Stateless resource. I like it especially when writing REST services with JAX-RS (example code included below).
Create dir:
/modules/org/postgresql/main
| i386 : iPhone Simulator | |
| x86_64 : iPhone Simulator | |
| arm64 : iPhone Simulator | |
| iPhone1,1 : iPhone | |
| iPhone1,2 : iPhone 3G | |
| iPhone2,1 : iPhone 3GS | |
| iPhone3,1 : iPhone 4 | |
| iPhone3,2 : iPhone 4 GSM Rev A | |
| iPhone3,3 : iPhone 4 CDMA | |
| iPhone4,1 : iPhone 4S |
| -- This is a Hive program. Hive is an SQL-like language that compiles | |
| -- into Hadoop Map/Reduce jobs. It's very popular among analysts at | |
| -- Facebook, because it allows them to query enormous Hadoop data | |
| -- stores using a language much like SQL. | |
| -- Our logs are stored on the Hadoop Distributed File System, in the | |
| -- directory /logs/randomhacks.net/access. They're ordinary Apache | |
| -- logs in *.gz format. | |
| -- | |
| -- We want to pretend that these gzipped log files are a database table, |