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dplyr: “Error in n(): function should not be called directly”
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I presume you have dplyr and plyr loaded in the same session. dplyr is not plyr. ddply is not a function in the dplyr package.
Both dplyr and plyr have the functions summarise/summarize.
Look at the results of conflicts() to see masked objects.
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Are Duplicate HTTP Response Headers acceptable?
...ication about whether duplicate HTTP response headers are allowed by the standard, but I need to know if this will cause compatibility issues.
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What does 'var that = this;' mean in JavaScript?
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@El Ronnoco, but "He's got gray hair and a scraggly beard and his manner brings to mind a grumpy old man who yells at kids to get off of his lawn." - blogging.compendiumblog.com/blog/software-for-humans/0/0/… ;-p
– David Murdoch
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How to print the values of slices
...es of an array without brackets, you can use a combination of fmt.Sprint() and strings.Trim()
a := []string{"a", "b"}
fmt.Print(strings.Trim(fmt.Sprint(a), "[]"))
fmt.Print(a)
Returns:
a b
[a b]
Be aware though that with this solution any leading brackets will be lost from the first value and ...
Read input from console in Ruby?
...ing like that?
Update
Kernel.gets tries to read the params found in ARGV and only asks to console if not ARGV found. To force to read from console even if ARGV is not empty use STDIN.gets
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Struggling trying to get cookie out of response with HttpClient in .net 4.5
...response. My goal is that I want to be able to set cookies in the request and get cookies out of the response. Thoughts?
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git submodule tracking latest
We are moving our (huge) project to git and we are thinking about using submodules. Our plan is to have three different heads in the superproject: release,stable,latest. The project leads will handle the release and stable branches. They will move the submodules as required.
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Run Cron job every N minutes plus offset
...on
An * in the minute field is the same as 0-59/1 where 0-59 is the range and 1 is the step. The command will run at the first minute in the range (0), then at all successive minutes that are distant from the first by step (1), until the last (59).
Which is why */20 * * * * will run at 0 minutes, ...
jquery $(window).width() and $(window).height() return different values when viewport has not been r
I am writing a site using jquery that repeatedly calls $(window).width() and $(window).height() to position and size elements based on the viewport size.
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Copying files using rsync from remote server to local machine
Once I've ssh'd into my remote server, what would the command be to copy all files from a directory to a local directory on my machine?
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