Earlier quoted context omitted.
When did you last switch jobs? I recently went through a round of employment where I quit my job at the beginning. Between updating my resume/social networks, brushing up on academic CS, finding leads, scheduling interviews and follow-up interviews and managing/negotiating offers, it was absolutely a full-time job. I can't imagine finding a new programming job while still working at the old job.
I think this is a crazy expectation. I last switched jobs while working at Apple last October. Having the BATNA of your current employment is crucial to the negotiation process and I can't imagine forgoing that- if you have no current income that's an insane bargaining handicap. Anyone with experience absolutely is not going to go for "quit your job, and maybe we'll give you a new one after a week, maybe it won't wor…
If you lack confidence that you'll be able to find at least another two job offers in a timeframe that makes you comfortable, then I agree don't quit your job.
Anyone with experience shouldn't lack that confidence though.