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Query an XDocument for elements by name at any depth

I have an XDocument object. I want to query for elements with a particular name at any depth using LINQ. When I use Descendants("element_name") , I only get elements that are direct children of the current level. What I'm looking for is the equivalent of "//element_name" in XPath...should I ju...
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List passed by ref - help me explain this behaviour

Take a look at the following program: 8 Answers 8 ...
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Thread-safe List property

I want an implementation of List<T> as a property which can be used thread-safely without any doubt. 16 Answers ...
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How to define Gradle's home in IDEA?

I am trying to import a Gradle project into IntelliJ, and when I get to the Gradle Home textbox, it is not automatically populated, nor will typing in the path of Gradle Home result in a valid location - I have the GRADLE_USER_HOME environment variable set (to what I think is!) the correct pat...
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Finding duplicate values in MySQL

I have a table with a varchar column, and I would like to find all the records that have duplicate values in this column. What is the best query I can use to find the duplicates? ...
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Plot two histograms on single chart with matplotlib

I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this ...
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Git says “Warning: Permanently added to the list of known hosts”

Every time I use git to interact with a remote, such as when pulling or pushing, I am shown the following message: 15 Answe...
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Filter dict to contain only certain keys?

I've got a dict that has a whole bunch of entries. I'm only interested in a select few of them. Is there an easy way to prune all the other ones out? ...
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What is “android:allowBackup”?

Since the new ADT preview version (version 21) , they have a new lint warning that tells me the next thing on the manifest file (in the application tag): ...
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Detect backspace in empty UITextField

Is there any way to detect when the Backspace / Delete key is pressed in the iPhone keyboard on a UITextField that is empty? I want to know when Backspace is pressed only if the UITextField is empty. ...