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AngularJS and its use of Dollar Variables

...="n = { visible: 'foo', $ignore: 'bar' };">{{ n }}</div> Additionally when adding an explicit watcher on a scope object, changes to properties with a leading dollar sign of this object will not trigger the watcher. See this updated fiddle. angular.equals() ignores keys prefixed with $. ...
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Create Directory if it doesn't exist with Ruby

... ["foo/bar"] Edit2: you do not have to use FileUtils, you may do system call (update from @mu is too short comment): > system 'mkdir', '-p', 'foo/bar' # worse version: system 'mkdir -p "foo/bar"' => true But that seems (at least to me) as worse approach as you are using external 'tool' wh...
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Is there a way to auto expand objects in Chrome Dev Tools?

... SINGLE TIME :) Is there a shortcut or setting to have this done automatically? 13 Answers ...
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How to include route handlers in multiple files in Express?

... Actually, the author (TJ Holowaychuck) gives a better approche: vimeo.com/56166857 – avetisk Mar 23 '13 at 9:36 ...
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How to handle multiple cookies with the same name?

...nger paths are listed before cookies with shorter paths. NOTE: Not all user agents sort the cookie-list in this order, but this order reflects common practice when this document was written, and, historically, there have been servers that (erroneously) depended on this order. There i...
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What does character set and collation mean exactly?

...a symbol, the number 0 is the encoding for 'A', and the combination of all four letters and their encodings is a character set. Now, suppose that we want to compare two string values, 'A' and 'B'. The simplest way to do this is to look at the encodings: 0 for 'A' and 1 for 'B'. Be...
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Using R to download zipped data file, extract, and import data

... Zip archives are actually more a 'filesystem' with content metadata etc. See help(unzip) for details. So to do what you sketch out above you need to Create a temp. file name (eg tempfile()) Use download.file() to fetch the file into the temp....
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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]

...ith something like map or collect would be built in, and nobody has to see all the hoops the compiler has to go through to make them work smoothly. In Scala, it's all in a library, and therefore out in the open. In fact the functionality of map that's supported by its complicated type is pretty adv...
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How can I merge properties of two JavaScript objects dynamically?

...Later properties overwrite earlier properties with the same name. */ const allRules = {...obj1, ...obj2, ...obj3}; Here is also the MDN documentation for this syntax. If you're using babel you'll need the babel-plugin-transform-object-rest-spread plugin for it to work. ECMAScript 2015 (ES6) Stand...
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Is there any haskell function to concatenate list with separator?

...gonkai Not sure what exactly you're referring to, but yes, these functions all allow arbitrary strings as both the separator and the elements. For example, intercalate "," ["some", "", "string"] = "some,,string" and intercalate "" ["foo", "bar"] = "foobar" – Niklas B. ...