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Why is there no Tree class in .NET?

...BCL. I suspect this is because the choice of whether to use a tree is typically an implementation detail and is otherwise an unconventional way to access data. That is, you don't say, "binary-search-for element #37"; instead, you say, "get me element #37". But have you taken a look at C5? It's supe...
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How to check if a Ruby object is a Boolean

... Yes, that's called duck typing and a core principle of OOP. I think it's a feature. – Konstantin Haase Jun 19 '12 at 16:41 ...
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Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error

...r the "Compile Sources" step of the "Build Phases" tab of your target. Normally Xcode does this for you, but sometimes it loses the plot and you need to add the .m file manually. To do this: TargetSettings -> Build Phases -> Compile Sources -> add your .m class ->Build and Run ...
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Why can't I reference System.ComponentModel.DataAnnotations?

... also via installing nuget package manager in VSCode, - - > followed by the command "command+shift+p" (on mac) - - > and typing in "Nuget Package manager" and selecting "add package" from the autocompleted list - - > and typing in...
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Import CSV to SQLite

...l data. If that's the case with your CSV file, then you do not need to manually create the table using the create table command. The .import command will use the first line in your file to determine the column names and create the table accordingly. You still have to include the name of the table in...
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ADB Install Fails With INSTALL_FAILED_TEST_ONLY

I am having issues installing an apk to my device. 25 Answers 25 ...
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AngularJS: ng-show / ng-hide not working with `{{ }}` interpolation

... Thanks, this was not very intuitive (as you can tell from all the up-votes) – Sentient Mar 14 '14 at 0:51 ...
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How can I convert string to datetime with format specification in JavaScript?

...lease update the link. This doesn't help anymore. – Tallerlei Mar 24 at 8:43  |  show 1 more comment ...
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What's the point of JAXB 2's ObjectFactory classes?

..., sometimes you need to create actual JAXBElement objects. They are not usually trivial to create by hand, so the create* methods do the hard work for you. Example (from the XHTML 1.1 schema): @XmlElementDecl(namespace = "http://www.w3.org/1999/xhtml", name = "style", scope = XhtmlHeadType.class) p...
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This Row already belongs to another table error when trying to add rows?

... Can I use ImportRow as an alernative? and Why would .NET only not allow you to have the same DataRow for different DataTables? Is this by design? – Xaisoft Apr 6 '09 at 15:52 ...