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Using R to list all files with a specified extension

I'm very new to R and am working on updating an R script to iterate through a series of .dbf tables created using ArcGIS and produce a series of graphs. ...
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How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?

...orce SBT to reload changes: Open SBT toolwindow (on the right side of IDE) and press refresh button. If you use auto-import feature you need to save your file to force auto-refresh. share | improve...
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Why does the JavaScript need to start with “;”?

... I would say since scripts are often concatenated and minified/compressed/sent together there's a chance the last guy had something like: return { 'var':'value' } at the end of the last script without a ; on the end. If you have a ; at the start on yours, it's safe, e...
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Difference between `npm start` & `node app.js`, when starting app?

I have installed an application using the command express new 'filename' . I have just learned that you can start an application using: ...
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Ruby get object keys as array

... postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
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How do I run a single test with Nose in Pylons

... of tests in the test/functional directory. I'm getting weird test results and I want to just run a single test. The nose documentation says I should be able to pass in a test name at the command line but I get ImportErrors no matter what I do ...
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Is there a more elegant way of adding an item to a Dictionary safely?

... Add if the existence of the key indicates a bug (so you want it to throw) and the indexer otherwise. (It's a bit like the difference between casting and using as for reference conversions.) If you're using C# 3 and you have a distinct set of keys, you can make this even neater: var currentViews =...
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How to select first parent DIV using jQuery?

... parents("div") is traversing and returns all the parent div's you should use .eq(0) after it to make sure it returns just the one you want – meo Aug 17 '11 at 7:44 ...
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Modifying a query string without reloading the page

I am creating a photo gallery, and would like to be able to change the query string and title when the photos are browsed. ...
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Best Practice - NSError domains and codes for your own project/app

...ameworks, but what is the best practice regarding setting up error domains and custom error codes for your own project/app ? ...