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How to flatten tree via LINQ?
...Flatten(c.Elements)).Concat(new[] { e });
You can then filter by group using Where(...).
To earn some "points for style", convert Flatten to an extension function in a static class.
public static IEnumerable<MyNode> Flatten(this IEnumerable<MyNode> e) =>
e.SelectMany(c => c...
Solving “Who owns the Zebra” programmatically?
Edit: this puzzle is also known as "Einstein's Riddle"
14 Answers
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How do I test a camera in the iPhone simulator?
Is there any way to test the iPhone camera in the simulator without having to deploy on a device? This seems awfully tedious.
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Set “Homepage” in Asp.Net MVC
In asp.net MVC the "homepage" (ie the route that displays when hitting www.foo.com) is set to Home/Index .
8 Answers
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For every character in string
How would I do a for loop on every character in string in C++?
9 Answers
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Decreasing for loops in Python impossible?
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for n in range(6,0,-1):
print n
# prints [6, 5, 4, 3, 2, 1]
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How to apply multiple styles in WPF
In WPF, how would I apply multiple styles to a FrameworkElement ? For instance, I have a control which already has a style. I also have a separate style which I would like to add to it without blowing away the first one. The styles have different TargetTypes, so I can't just extend one with the ...
R command for setting working directory to source file location in Rstudio
I am working out some tutorials in R. Each R code is contained in a specific folder. There are data files and other files in there. I want to open the .r file and source it such that I do not have to change the working directory in Rstudio as shown below:
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Get all related Django model objects
How can I get a list of all the model objects that have a ForeignKey pointing to an object? (Something like the delete confirmation page in the Django admin before DELETE CASCADE).
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How to start a background process in Python?
I'm trying to port a shell script to the much more readable python version. The original shell script starts several processes (utilities, monitors, etc.) in the background with "&". How can I achieve the same effect in python? I'd like these processes not to die when the python scripts complete. I ...