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How to include (source) R script in other scripts

I've created a utility R script, util.R, which I want to use from other scripts in my project. What is the proper way to ensure that the function this script defines are available to function in my other scripts? ...
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Naming conventions for abstract classes

I distinctly remember that, at one time, the guideline pushed by Microsoft was to add the "Base" suffix to an abstract class to obviate the fact that it was abstract. Hence, we have classes like System.Web.Hosting.VirtualFileBase , System.Configuration.ConfigurationValidatorBase , System.Windows....
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Custom ListView click issue on items in Android

So I have a custom ListView object. The list items have two textviews stacked on top of each other, plus a horizontal progress bar that I want to remain hidden until I actually do something. To the far right is a checkbox that I only want to display when the user needs to download updates to their d...
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Linq: GroupBy, Sum and Count

I have a collection of products 3 Answers 3 ...
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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d

What's the correct way to initialize an ordered dictionary (OD) so that it retains the order of initial data? 2 Answers ...
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.bashrc at ssh login

When I ssh into my ubuntu-box running Hardy 8.04, the environment variables in my .bashrc are not set. 4 Answers ...
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.htaccess mod_rewrite - how to exclude directory from rewrite rule

I have 8 lines of rewrite rules in my .htaccess file. I need to exclude two physical directories on my server from these rules, so they can become accessible. For now all requests are sent to index.php file. ...
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How can I use grep to show just filenames on Linux?

How can I use grep to show just file-names (no in-line matches) on Linux? 4 Answers ...
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What is the MIME type for Markdown?

Does anyone know if there exists a MIME type for Markdown? I guess it is text/plain , but is there a more specific one? 4 ...
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Enums and Constants. Which to use when?

I was doing some reading on enums and find them very similar to declaring constants. How would I know when to use a constant rather than an enum or vice versa. What are some of the advantages of using enums? ...