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How to create a protocol with methods that are optional?

... | edited Sep 14 '13 at 3:15 Nate Cook 85k3232 gold badges200200 silver badges170170 bronze badges ...
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Group by with multiple columns using lambda

...estions? – Joao Paulo Oct 15 '15 at 13:32  |  show 1 more comment ...
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Why are margin/padding percentages in CSS always calculated against width?

...ed behavior. – BoltClock♦ Mar 12 '13 at 9:41 1 @sanjaypoyzer I'd guess in the simplest case tha...
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What makes JNI calls slow?

...sAndy Thomas 76.2k1010 gold badges8989 silver badges137137 bronze badges 1 ...
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If threads share the same PID, how can they be identified?

...kelinux.com/ – Duke Jan 15 '14 at 1:13 6 ...
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How do I remove the border around a focused contenteditable pre?

... 13 For reference: [contenteditable]:focus { outline: 0px solid transparent; } – Alf Eaton Jan 10 '14 at...
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I want to get the type of a variable at runtime

... 132 So, strictly speaking, the "type of a variable" is always present, and can be passed around as...
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How to export all data from table to an insertable sql format?

... answered Dec 12 '13 at 12:08 ArmandArmand 8,53088 gold badges3535 silver badges7373 bronze badges ...
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Android: What is android.R.id.content used for?

...i/actionbar.html#Tabs – OrhanC1 Apr 13 '14 at 18:54 4 "gives you the root element of a view, with...
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Create a menu Bar in WPF?

...ext="F2" /> – AlanFoster Sep 22 '13 at 17:14 3 @AlanFoster You should post your own answer inc...