Developers do need to pick a set of core technologies, and stick to it or a career can fall apart I bet. I don't know from experience. I've been a Java DEV ever since MSFT tried to hijack the Java language with a proprietary version back in 1998, and I abandoned MSFT and never went back. I can imagine trying to be both iOS and Android developer would be about as insane as trying to be both .NET and Java developer. Oi…
> Developers do need to pick a set of core technologies, and stick to it or a career can fall apart I bet. How boring! I'd go mad if I didn't get to work in new domains with different tools every so often.
When we are interviewing and I see CV's that have so many technologies listed that I am fairly sure they have very little depth of knowledge to many of them.