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What are the rules for the “…” token in the context of variadic templates?

...tion passing T as {int, char, short}, then each of the function call is expanded as: g( arg0, arg1, arg2 ); h( x(arg0), x(arg1), x(arg2) ); m( y(arg0, arg1, arg2) ); n( z<int>(arg0), z<char>(arg1), z<short>(arg2) ); In the code you posted, std::forward follows the fourt...
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How to shut down the computer from C#

...ower button to boot back up draws about 80-85 milliamps, rather than the standard 300+ish. Will post back here if I find out why. This should not affect most users. – samuelesque Feb 27 '14 at 21:29 ...
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Case insensitive string compare in LINQ-to-SQL

I've read that it's unwise to use ToUpper and ToLower to perform case-insensitive string comparisons, but I see no alternative when it comes to LINQ-to-SQL. The ignoreCase and CompareOptions arguments of String.Compare are ignored by LINQ-to-SQL (if you're using a case-sensitive database, you get a ...
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Mongodb Explain for Aggregation framework

...t, $geonear at the beginning of a pipeline) as well as subsequent $lookup and $graphLookup stages. Once data has been fetched into the aggregation pipeline for processing (e.g. passing through stages like $project, $unwind, and $group) further manipulation will be in-memory (possibly using temporar...
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Programmatically scroll a UIScrollView

...at I end up with a slideshow that runs on its own with a click of a button and a configurable pause between each scroll? 9 ...
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Using 'return' in a Ruby block

... method, that's why you have LocalJumpError break returns value from block and ends its call. If your block was called by yield or .call, then break breaks from this iterator too next returns value from block and ends its call. If your block was called by yield or .call, then next returns value to l...
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Geometric Mean: is there a built-in?

... Here is a vectorized, zero- and NA-tolerant function for calculating geometric mean in R. The verbose mean calculation involving length(x) is necessary for the cases where x contains non-positive values. gm_mean = function(x, na.rm=TRUE){ exp(sum(log...
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How can I apply a function to every row/column of a matrix in MATLAB?

... Many built-in operations like sum and prod are already able to operate across rows or columns, so you may be able to refactor the function you are applying to take advantage of this. If that's not a viable option, one way to do it is to collect the rows or c...
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How to set top-left alignment for UILabel for iOS application?

...ly easy to do. Create a UILabel sublcass with a verticalAlignment property and override textRectForBounds:limitedToNumberOfLines to return the correct bounds for a top, middle or bottom vertical alignment. Here's the code: SOLabel.h #import <UIKit/UIKit.h> typedef enum { VerticalAlignme...
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Should I compile with /MD or /MT?

In Visual Studio, there's the compile flags /MD and /MT which let you choose which kind of C runtime library you want. 7 An...