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In Scala, what exactly does 'val a: A = _' (underscore) mean?
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val a: A = _ is a compile error. For example:
scala> val a: String = _
<console>:1: e...
Add characters to a string in Javascript
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BlazesBlazes
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How to change the default font size in ggplot2
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answered Aug 14 '12 at 15:11
Luciano SelzerLuciano Selzer
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Why does substring slicing with index out of range work?
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You're correct! 'example'[3:4] and 'example'[3] are fundamentally different, and slicing outside the bounds of a sequence (at least for built-ins) doesn't cause an error.
It might be surprising at first, but it makes sense when you think about it. Ind...
How to get the original value of an attribute in Rails
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4 Answers
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Assigning default value while creating migration file
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typeoneerror
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answered May 29 '11 at 14:01
tarotaro
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Prevent ViewPager from destroying off-screen views
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In revision 4 of the Support Package, a method was added to ViewPager which allows you to specif...
KeyValuePair VS DictionaryEntry
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edited Jul 31 '13 at 6:45
answered May 25 '09 at 5:46
cd...
Elegant method to generate array of random dates within two dates
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4 Answers
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How to go back to lines edited before the last one in Vim?
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edited Sep 10 '12 at 4:25
Jacob Marble
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an...