You could use Text Mate or BBEdit and then use command line tools to do the final compilation, but most developers choose to do it all within Xcode. Interface Builder is an application that lets you build your interfaces visually.
Don't know if anyone can help here, but I was up late one night earlier this week in Townsville (not sure which night actually) and was watching this cheesy old B movie about a dentist who fakes his own death and takes his dead twin's identity..to discover that his brother was a horribly corrupt ex-CIA agent I know what you're thinking..."Sounds Super! "Adapted from an Appalachian Jack Tale set in the late 1940s, this tale follows a World War II veteran named Jack who, in return for an act of kindness, receives two magical gifts: a sack that can catch anything and a jar that can show whether a sick person will recover or die. :) I think it might have been in England and they were digging a tunnel and found a "Space ship" buried there.Historically, the district has been influenced heavily by its industrial past with coal mining and textiles thriving in the district until their decline in the 1990s, but in common with the national economy the area has seen the decline of these sectors.Mansfield has 20.2% (12,890) of its working age population seeking key out of work benefits (based on a 63,800 total working age population) (NOMIS).Xcode is an IDE (Integrated Development Environment) used by Mac and i OS developers to build applications.It's not just a code editor: it has a variety of additional goodies baked in like great autocomplete support, static code analysis (it finds bugs in your code before you compile, including memory leaks) and a variety of debugging and performance tools.