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How to get the groups of a user in Active Directory? (c#, asp.net)
...), a user principal, and then you get its groups very easily:
public List<GroupPrincipal> GetGroups(string userName)
{
List<GroupPrincipal> result = new List<GroupPrincipal>();
// establish domain context
PrincipalContext yourDomain = new PrincipalContext(ContextType.Dom...
Why is \r a newline for Vim?
...
From vim docs on patterns:
\r matches <CR>
\n matches an end-of-line -
When matching in a string instead of
buffer text a literal newline
character is matched.
shar...
How to swap keys and values in a hash
...object({}) do |(key,value),out|
out[value] ||= []
out[value] << key
end
end
end
Note: This code with tests is now on GitHub.
Or:
class Hash
def safe_invert
self.each_with_object({}){|(k,v),o|(o[v]||=[])<<k}
end
end
...
How to plot two histograms together in R?
... like what you have, two separate sets of data and combine them.
carrots <- data.frame(length = rnorm(100000, 6, 2))
cukes <- data.frame(length = rnorm(50000, 7, 2.5))
# Now, combine your two dataframes into one.
# First make a new column in each that will be
# a variable to identify wher...
adding multiple entries to a HashMap at once in one statement
...
You can use the Double Brace Initialization as shown below:
Map<String, Integer> hashMap = new HashMap<String, Integer>()
{{
put("One", 1);
put("Two", 2);
put("Three", 3);
}};
As a piece of warning, please refer to the thread Efficiency of Java “Double Brace ...
Check if list is empty in C# [closed]
...ich is shown if the datasource is empty. This is an approach in ASP.NET:
<emptydatarowstyle backcolor="LightBlue" forecolor="Red"/>
<emptydatatemplate>
<asp:image id="NoDataErrorImg"
imageurl="~/images/NoDataError.jpg" runat="server"/>
No Data Found!
</emptydata...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
... process used. Note that this is across all CPUs, so if the process has multiple threads (and this process is running on a computer with more than one processor) it could potentially exceed the wall clock time reported by Real (which usually occurs). Note that in the output these figures include t...
Rails :include vs. :joins
...the join in all cases, but for performance reasons it was changed to use multiple queries in some circumstances. This blog post by Fabio Akita has some good information on the change (see the section entitled "Optimized Eager Loading").
...
How to leave a message for a github.com user
...
Although GitHub removed the private messaging feature, there's still an alternative.
GitHub host git repositories. If the user you're willing to communicate with has ever committed some code, there are good chances you may re...
WPF User Control Parent
...GetWindow(userControlReference);
The GetWindow method will walk the VisualTree for you and locate the window that is hosting your control.
You should run this code after the control has loaded (and not in the Window constructor) to prevent the GetWindow method from returning null. E.g. wire up an...