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How can I use map and receive an index as well in Scala?

...You do need to be able to name the iterator: val ci = List("These","are","words").elements.counted scala> ci map (i => i+"=#"+ci.count) toList res0: List[java.lang.String] = List(These=#0,are=#1,words=#2) share ...
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Traits vs. interfaces

... That's not a metaphor. That's butchering the meaning of a word. It's like describing a box as a surface with volume. – cleong Nov 27 '12 at 8:02 6 ...
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C++: What is the size of an object of an empty class?

...of havoc to your processing loops. The reason why it may not be a machine word is that there are no elements within it that actually require it to be aligned on a word boundary (such as an integer). For example, if you place char x; int y; inside the class, my GCC clocks it at eight bytes (since th...
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How to set up fixed width for ?

...ou have th you can do those as well. table { table-layout: fixed; word-wrap: break-word; } Template: <td style="width:10%">content</td> Please use CSS for structuring any layouts. share | ...
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jQuery get mouse position within an element

... Hey Pointy, thanks for your response. Based on your wording, it sounds like what you are suggesting is different than what jball suggested, but I'm not understanding how, can you elaborate? Thanks again – Chris Dutrow Dec 2 '10 at 17:38 ...
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SQL Server: Difference between PARTITION BY and GROUP BY

...ecords and group the results by one or more columns. In more simple words GROUP BY statement is used in conjunction with the aggregate functions to group the result-set by one or more columns. Syntax: SELECT expression1, expression2, ... expression_n, aggregate_function (aggre...
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Why are hexadecimal numbers prefixed with 0x?

...ls the parser it's dealing with a constant (and not an identifier/reserved word). Something is still needed to specify the number base: the x is an arbitrary choice. Long story: In the 60's, the prevalent programming number systems were decimal and octal — mainframes had 12, 24 or 36 bits per byt...
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jQuery ID starts with

... A word of warning: this selector doesn't work if the 'value' is an HTML element, as I found out the hard way when my IDs for list items all started with 'li'. The solution was to start them with 'li_' – Ti...
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Not equal != operator on NULL

...WHERE MyColumn != NULL or WHERE MyColumn = NULL deterministic? Or in other words, is it guaranteed to always return 0 rows, no matter if MyColumn is nullable in the database or not? – Slauma Dec 7 '11 at 15:20 ...
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Accessing inactive union member and undefined behavior?

... The wording 4.1 is completely and utterly broken and has since been rewritten. It disallowed all sorts of perfectly valid things: it disallowed custom memcpy implementations (accessing objects using unsigned char lvalues), it dis...