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How can I remove all objects but one from the workspace in R?

I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ? ...
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How do you convert a byte array to a hexadecimal string, and vice versa?

How can you convert a byte array to a hexadecimal string, and vice versa? 45 Answers 4...
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How to resize the iPhone/iPad Simulator?

The iPad-simulator is really small (like one third the size of the real iPad screen) on my 23" Full-HD screen (and also on the 15" MacBook Pro ). ...
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Android Writing Logs to text File

I'm Trying to Write Logs to Custom Log.txt File on Android File using this code of Mine but then this method creates file but contains nothing. Basically I want to read previous contents of the file and then append my data with the existing content. ...
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Templated check for the existence of a class member function?

Is it possible to write a template that changes behavior depending on if a certain member function is defined on a class? 2...
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How do you round to 1 decimal place in Javascript?

Can you round a number in javascript to 1 character after the decimal point (properly rounded)? 21 Answers ...
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How to edit a node module installed via npm?

I'm using the node_swiz module, which in turn uses the validator module. 5 Answers 5 ...
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Undefined symbols for architecture armv7

This problem has been driving me crazy, and I can't work out how to fix it... 40 Answers ...
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How to ignore HTML element from tabindex?

Is there any way in HTML to tell the browser not to allow tab indexing on particular elements? 7 Answers ...
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Firing events on CSS class changes in jQuery

... Whenever you change a class in your script, you could use a trigger to raise your own event. $(this).addClass('someClass'); $(mySelector).trigger('cssClassChanged') .... $(otherSelector).bind('cssClassChanged', data, function(){ do stuff }); but otherwise, no, there's no baked-in way to fi...