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What is the formal difference in Scala between braces and parentheses, and when should they be used?

...ww.codecommit.com/scala-style-guide.pdf The recommended syntax for higher order methods calls is to always use braces, and to skip the dot: val filtered = tupleList takeWhile { case (s1, s2) => s1 == s2 } For "normal" metod calls you should use the dot and parentheses. val result = myInstanc...
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What's “P=NP?”, and why is it such a famous question? [closed]

...r, and a time limit, a potential solution would be a list of cities in the order the salesman visits them, and it would work if the sum of the travel times was less than the time limit. Such a problem is in NP if we can efficiently check a potential solution to see if it works. For example, given...
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How to get first character of a string in SQL?

...y, by having parameters lists that are not the conventional commalists, in order to make them easily identifiable as being from the standard! share | improve this answer | fo...
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String comparison: InvariantCultureIgnoreCase vs OrdinalIgnoreCase? [duplicate]

...ble for display in any particular culture. Its major application is to order strings in a way that will be identical across cultures. http://msdn.microsoft.com/en-us/library/system.stringcomparer.invariantcultureignorecase.aspx The invariant culture is the CultureInfo object returne...
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git revert back to certain commit [duplicate]

... I have been using this approach but what do you need to do in order to safely be able to commit on another machine? (instead git pull -f origin master) – Christophe De Troyer Jan 8 '16 at 15:30 ...
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Force to open “Save As…” popup open at text link click for PDF in HTML

...owser display the Save As dialog readfile($path); // This is necessary in order to get it to actually download the file, otherwise it will be 0Kb Note that this is just an extension to the HTTP protocol; some browsers might ignore it anyway. ...
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Is there a MySQL option/feature to track history of changes to records?

...RE (t1.revision = 1 AND t2.revision = 1) OR t2.revision = t1.revision+1 ORDER BY t1.primary_key_column ASC, t2.revision ASC Edit: Oh wow, people like my history table thing from 6 years ago :P My implementation of it is still humming along, getting bigger and more unwieldy, I would assume. I ...
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When is assembly faster than C?

... @Praxeolitic: FP add is commutative (a+b == b+a), but not associative (reordering of operations, so rounding of intermediates is different). re: this code: I don't think uncommented x87 and a loop instruction are a very awesome demonstration of fast asm. loop is apparently not actually a bottlen...
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SQL Server Index Naming Conventions [closed]

... I'm pretty sure that he's only listing the Indexed columns, in the order that they're being placed in the index. – Brett Jun 23 '10 at 18:17 ...
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More lines in command window

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...