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How do I get only directories using Get-ChildItem?

I'm using PowerShell 2.0 and I want to pipe out all the subdirectories of a certain path. The following command outputs all files and directories, but I can't figure out how to filter out the files. ...
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How do I specify new lines on Python, when writing on files?

In comparison to Java (in a string), you would do something like "First Line\r\nSecond Line" . 13 Answers ...
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How to convert timestamps to dates in Bash?

I need a shell command or script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns: ...
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Access string.xml Resource File from Java Android Code

How do you access the values in the res/values/string.xml resource file from the Android Activity class ? 5 Answers ...
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Rotating x axis labels in R for barplot

I am trying to get the x axis labels to be rotated 45 degrees on a barplot with no luck. This is the code I have below: 8 A...
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How to append rows to an R data frame

I have looked around StackOverflow, but I cannot find a solution specific to my problem, which involves appending rows to an R data frame. ...
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How to decide font color in white or black depending on background color?

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Unique (non-repeating) random numbers in O(1)?

I'd like to generate unique random numbers between 0 and 1000 that never repeat (i.e. 6 doesn't show up twice), but that doesn't resort to something like an O(N) search of previous values to do it. Is this possible? ...
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Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2

In ggplot2 how can I stop axis labels being abbreviated - e.g. 1e+00, 1e+01 along the x axis once plotted? Ideally, I want to force R to display the actual values which in this case would be 1,10 . ...
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How to send an email using PHP?

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