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Why is a round-trip conversion via a string not safe for a double?
... *dst = 0;
}
}
It turns out that _ecvt returns the string 845512408225570.
Notice the trailing zero? It turns out that makes all the difference!
When the zero is present, the result actually parses back to 0.84551240822557006, which is your original number -- so it compares equal, and h...
How to center a subview of UIView
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212
Objective-C
yourSubView.center = CGPointMake(yourView.frame.size.width / 2,
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jQuery add image inside of div tag
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302
Have you tried the following:
$('#theDiv').prepend('<img id="theImg" src="theImg.png" />'...
How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
...13)+char(10), like:
'This is line 1.' + CHAR(13)+CHAR(10) + 'This is line 2.'
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Javascript Functions and default parameters, not working in IE and Chrome
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edited Oct 22 '19 at 19:57
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answered Mar 2 '13 at 19:53
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join list of lists in python [duplicate]
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gcamargo
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answered Apr 4 '09 at 4:11
CTTCTT
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Shorten string without cutting words in JavaScript
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How to format a number as percentage in R?
...rolled solution.
Try something like
percent <- function(x, digits = 2, format = "f", ...) {
paste0(formatC(100 * x, format = format, digits = digits, ...), "%")
}
With usage, e.g.,
x <- c(-1, 0, 0.1, 0.555555, 1, 100)
percent(x)
(If you prefer, change the format from "f" to "g".)
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Quickly reading very large tables as dataframes
... into R. See mnel's answer.
Using read_table in readr (on CRAN from April 2015). This works much like fread above. The readme in the link explains the difference between the two functions (readr currently claims to be "1.5-2x slower" than data.table::fread).
read.csv.raw from iotools provides a ...
How do I move a redis database from one server to another?
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