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What is q=0.5 in Accept* HTTP headers?
... what language the user would prefer, on a scale of 0 to 1, as can be seen from the HTTP/1.1 Specification, §14.4:
Each language-range MAY be given an associated quality value which represents an estimate of the user's preference for the languages specified by that range. The quality value default...
Capitalize the first letter of both words in a two word string
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The base R function to perform capitalization is toupper(x). From the help file for ?toupper there is this function that does what you need:
simpleCap <- function(x) {
s <- strsplit(x, " ")[[1]]
paste(toupper(substring(s, 1,1)), substring(s, 2),
sep="", collapse=" ")
}...
Evaluate expression given as a string
...
Alternatively, you can use evals from my pander package to capture output and all warnings, errors and other messages along with the raw results:
> pander::evals("5+5")
[[1]]
$src
[1] "5 + 5"
$result
[1] 10
$output
[1] "[1] 10"
$type
[1] "numeric"
$m...
Best way to alphanumeric check in JavaScript
...ng and $ means end of string, and [0-9a-z]+ means one or more of character from 0 to 9 OR from a to z.
More information on Javascript regexen here:
https://developer.mozilla.org/en/JavaScript/Guide/Regular_Expressions
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Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
...ed my gcc. export CC=/usr/bin/gcc For more info: here is the github issue from rbenv that helped
– Dan Williams
Oct 20 '14 at 22:10
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is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
...
int y = firstNonNull(calculateNullableValue(), -1);
since it saves you from either calling the potentially expensive method twice or declaring a local variable in your code to reference twice.
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How to draw vertical lines on a given plot in matplotlib?
...lines(x_pos, ymin=y1, ymax=y2)
to plot a vertical line at x_pos spanning from y1 to y2 where the values y1 and y2 are in absolute data coordinates.
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How to spyOn a value property (rather than a method) with Jasmine
...eu it is not a good assertion because it just asserts what we already know from what we told the spy to do, but it is just what they were asking and their very same question code snippet ¯_(ツ)_/¯ The point of their question was how to spy on a property and not so much their specific example.
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In PHP what does it mean by a function being binary-safe?
...e built-in PHP function strlen() is a binary-safe function? I'm confirming from you because on the PHP Manual page for the function strlen() it's not been mentioned that whether it's a binary-safe function or a non-binary safe function. This only missing thing from the PHP Manual is creating the con...
How to create a zip archive with PowerShell?
...ssion.CompressionLevel]::Optimal
[System.IO.Compression.ZipFile]::CreateFromDirectory($sourcedir,
$zipfilename, $compressionLevel, $false)
}
Just pass in the full path to the zip archive you would like to create and the full path to the directory containing the files you would like to z...