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What does -save-dev mean in npm install grunt --save-dev

I've just started using Grunt.js . It is pretty hard to set up and I am at the point of creating a package.json file. 6 ...
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How to test if list element exists?

...es(foo) # TRUE "b" %in% names(foo) # TRUE "c" %in% names(foo) # FALSE ...and foo[["a"]] is safer than foo$a, since the latter uses partial matching and thus might also match a longer name: x <- list(abc=4) x$a # 4, since it partially matches abc x[["a"]] # NULL, no match [UPDATE] So, back t...
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Same-named attributes in attrs.xml for custom view

... Solution: Simply extract common attributes from both views and add them directly as children of the <resources> node: <?xml version="1.0" encoding="utf-8"?> <resources> <attr name="myattr1" format="string" /> <attr name="myattr2" format="dimension"...
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Change Git repository directory location.

...o do to move the repo files to C:\dir1 ? I can obviously physically copy and paste the files, but what do I need to do on the Git side? ...
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npm throws error without sudo

I just installed node and npm through the package on nodejs.org and whenever I try to search or install something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin. ...
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How do Python functions handle the types of the parameters that you pass in?

...tely use an object of a type "as if" it was an object of a different type, and all elementary operations on the object are delegated to its type. This has nothing to do with names. A name in Python doesn't "have a type": if and when a name's defined, the name refers to an object, and the object do...
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Eclipse “Error: Could not find or load main class”

...sibly a different file structure. In your classpath you should therefore (and probably in general if you're gonna bundle JARS with your project), use relative pathing: In your .classpath change <classpathentry kind="lib" path="C:/Users/Chris/Downloads/last.fm-bindings-0.1.1.jar" sourcepath=""...
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Safe String to BigDecimal conversion

... the string. Let's say I have this String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it? ...
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How to get visitor's location (i.e. country) using geolocation? [duplicate]

... @juanpastas you don't. you just ping a service, and service will know. or you write service yourself, but that's out of pure javascript scope. – tishma Nov 7 '14 at 22:56 ...
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How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?

How do I delete a directory and its entire contents (files and subdirectories) in PHP? 21 Answers ...