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How to convert R Markdown to PDF?
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70
Updated Answer (10 Feb 2013)
rmarkdown package:
There is now an rmarkdown package available on...
Open directory dialog
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410
You can use the built-in FolderBrowserDialog class for this. Don't mind that it's in the System....
How do you do Impersonation in .NET?
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60
Here is some good overview of .NET impersonation concepts.
Michiel van Otegem: WindowsImperson...
How are Python's Built In Dictionaries Implemented?
...w is a logical representation of a Python hash table. In the figure below, 0, 1, ..., i, ... on the left are indices of the slots in the hash table (they are just for illustrative purposes and are not stored along with the table obviously!).
# Logical model of Python Hash table
-+---------------...
How to automatically indent source code?
How can I automatically indent source code in Visual Studio 2010?
7 Answers
7
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What is a JavaBean exactly?
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2105
A JavaBean is just a standard
All properties private (use getters/setters)
A public no-argume...
Internal Error 500 Apache, but nothing in the logs?
I'm getting 500 Internal Server errors when I try to make an HTTP POST to a specific address in my app. I've looked into the server logs in the custom log directory specified in the virtual hosts file, but the error doesn't show up there so debugging this has been a pain in the ass.
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Why doesn't Java allow overriding of static methods?
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answered Feb 8 '10 at 17:12
Nathan HughesNathan Hughes
82k1919 gold badges154154 silver badges239239 bronze badges
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...out a subscript is equivalent to referencing the array with a subscript of 0.
In other words, if you don't supply an index with [], you get the first element of the array:
foo=(a b c)
echo $foo
# a
Which is exactly the same as
foo=(a b c)
echo ${foo}
# a
To get all the elements of an array, ...
Variable's scope in a switch case [duplicate]
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answered Oct 8 '10 at 20:49
Richard CookRichard Cook
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