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How can I define colors as variables in CSS?

...les, so that I can just change a variable to have the new color applied to all elements that use it? 19 Answers ...
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Chrome Uncaught Syntax Error: Unexpected Token ILLEGAL [duplicate]

...e error in Chrome after pasting code copied from jsfiddle. If you select all the code from a panel in jsfiddle and paste it into the free text editor Notepad++, you should be able to see the problem character as a question mark "?" at the very end of your code. Delete this question mark, then copy...
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How to use “/” (directory separator) in both Linux and Windows in Python?

...llapses redundant uplevel references... i.e., A/B and A/foo/../B and A/./B all become A/B. And if you are Windows, these all become A\B. share | improve this answer | follow...
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How is attr_accessible used in Rails 4?

... away from fat model, thin controller, etc, and towards thin models, and really bloated controllers. You have to write all this stuff for every instance, it doesn't read nicely, and nesting seems to be a pain. The old attr_accessible/attr_accessor in the model system wasn't broken, and didn't need...
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HTTP URL Address Encoding in Java

... @Mohamed: the class I mentioned and used for testing actually is java.net.URI: it worked perfectly (Java 1.6). I would mention the fully qualified class name if it was not the standard Java one and the link points to the documentation of java.net.URI. And, by the comment of Sudhaka...
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What happens when a duplicate key is put into a HashMap?

...laces the previous value associated with the given key in the map (conceptually like an array indexing operation for primitive types). The map simply drops its reference to the value. If nothing else holds a reference to the object, that object becomes eligible for garbage collection. Additionall...
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How can I set response header on express.js assets

...anyone is still having issues or just doesn't want to add another library. All you have to do is place this middle ware line of code before your routes. Cors Example app.use((req, res, next) => { res.append('Access-Control-Allow-Origin', ['*']); res.append('Access-Control-Allow-Met...
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git add remote branch

... information on merging the remote and local branches. Creating a remote called "github": git remote add github git://github.com/jdoe/coolapp.git git fetch github List all remote branches: git branch -r github/gh-pages github/master github/next github/pu Create a new local branch (tes...
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Difference between HEAD and master

...eference to the end of a branch. By convention (and by default) this is usually the main integration branch, but it doesn't have to be. HEAD is actually a special type of reference that points to another reference. It may point to master or it may not (it will point to whichever branch is currently...
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Random record in ActiveRecord

...ed Sep 24 '14 at 20:13 Jonathan Allard 15.9k99 gold badges4949 silver badges7070 bronze badges answered May 2 '10 at 12:09 ...