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R and version control for the solo data analyst

...sion control systems can do absolutely amazing things with compression and selective saving so this is pretty much a moot point. 3 What is a good strategy for getting started with version control for data analysis with R (e.g., examples, workflow ideas, software, links to guides)? Keep files t...
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mongodb group values by multiple fields

...urse the ability to interpolate the variable through $expr using $match to select the matching items in the "join", but the general premise is a "pipeline within a pipeline" where the inner content can be filtered by matches from the parent. Since they are both "pipelines" themselves we can $limit e...
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Why must jUnit's fixtureSetup be static?

...variables at their default values - and the @Test method would be randomly selected, because the order of methods in the .class file is unspecified/compiler-dependent (IIRC, Java's reflection API returns the methods in the same order as they are declared in the .class file, although also that behavi...
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Call method in directive controller from other controller

...ad of calling success(msg) in the html you would call sucess(name, msg) to select the directive with the correct name. – lanoxx Dec 8 '14 at 14:42 5 ...
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How do you configure logging in Hibernate 4 to use SLF4J

...u are still getting "raw" console stdout Hibernate output (like Hibernate: select ...), then Stack Overflow question " Turn off hibernate logging to console " may apply. share | improve this answer ...
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Difference between a Message Broker and an ESB

... fail or fail temporarily with self healing based on your deployment model selected. With microservices based deployment or iPAAS, ESB's now have auto-scaling capabilities(horizontally or vertically) with features varying based on the vendor selected. For a very high level capabilities that ESB pro...
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Load view from an external xib file in storyboard

...you want to use it in your storyboard, add a UIView as you normally would, select the newly added view, go to the Identity Inspector (the third icon on the upper right that looks like a rectangle with lines in it), and enter your subclass's name in as the "Class" under "Custom Class". ...
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Can a class member function template be virtual?

...ember functions are resolved statically. That is, the member function is selected statically (at compile-time) based on the type of the pointer (or reference) to the object. In contrast, virtual member functions are resolved dynamically (at run-time). That is, the member function is selec...
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Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”

...ermine the "difficulty" of a word for a hangman game, so that the game can select words to match a specified difficulty level? ...
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Natural Sort Order in C#

...haNumeric<T>(this IEnumerable<T> source, Func<T, string> selector) { int max = source .SelectMany(i => Regex.Matches(selector(i), @"\d+").Cast<Match>().Select(m => (int?)m.Value.Length)) .Max() ?? 0; return source.OrderBy(i => Regex.Replace(s...