Comments on: Jazoon 2009 – Day 2 http://marek.potociar.net/2009/06/24/jazoon-2009-day-2/ Thu, 18 Mar 2010 03:20:17 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: Dierk König http://marek.potociar.net/2009/06/24/jazoon-2009-day-2/comment-page-1/#comment-6 Dierk König Mon, 29 Jun 2009 01:36:42 +0000 http://marek.potociar.net/2009/06/24/jazoon-2009-day-2/#comment-6 <p>Cool. Elvis forever :-)</p> Cool. Elvis forever :-)

]]> By: Marek Potociar http://marek.potociar.net/2009/06/24/jazoon-2009-day-2/comment-page-1/#comment-5 Marek Potociar Mon, 29 Jun 2009 00:36:13 +0000 http://marek.potociar.net/2009/06/24/jazoon-2009-day-2/#comment-5 <p>Hi Dierk,<br/> thanks for catching the typo. I fixed the Elvis haircut the text ;-)</p> Hi Dierk,
thanks for catching the typo. I fixed the Elvis haircut the text ;-)

]]> By: Dierk König http://marek.potociar.net/2009/06/24/jazoon-2009-day-2/comment-page-1/#comment-4 Dierk König Sat, 27 Jun 2009 02:58:38 +0000 http://marek.potociar.net/2009/06/24/jazoon-2009-day-2/#comment-4 <p>Ah, sorry, misread your post. You were not citing Danny's error around "?." . Anyway, only "?:" is elvis, not ":?" or the haircut would be the wrong way around :-) </p> Ah, sorry, misread your post. You were not citing Danny’s error around "?." . Anyway, only "?:" is elvis, not ":?" or the haircut would be the wrong way around :-)

]]> By: Dierk König http://marek.potociar.net/2009/06/24/jazoon-2009-day-2/comment-page-1/#comment-3 Dierk König Sat, 27 Jun 2009 02:54:35 +0000 http://marek.potociar.net/2009/06/24/jazoon-2009-day-2/#comment-3 <p>There is only one Elvis (needless to say) and that is the shortcut for the ternary 'if' operator as in<br/> x = foo ?: 'default'</p> <p>whereas ?. is the null-safe dereferencing operator, which is not Elvis (or did he have only one eye?). </p> <p>cheers<br/> Dierk<br/> P.S. I'm the one who made the term popular in the Groovy in Action book</p> There is only one Elvis (needless to say) and that is the shortcut for the ternary ‘if’ operator as in
x = foo ?: ‘default’

whereas ?. is the null-safe dereferencing operator, which is not Elvis (or did he have only one eye?).

cheers
Dierk
P.S. I’m the one who made the term popular in the Groovy in Action book

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