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Wow thank you very much! I'll definitely do my best for more interesting posts!
Thank you!
Hi Andy, please have look at "PatternTest" in the documentation. DeleteCases requires a pattern as a second argument, and _?test is the pattern that matches everything provided the condition "test" evaluates to True. The parenthesis are required to...
@Alexey Popkov: Nice! That's exactly what I was looking for. Thanks a lot!!!! @Adriano Pascoletti: It was probably just a problem with my PC. A restart helped XP. Thanks to you, too.