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Conditionally Remove Dataframe Rows with R [duplicate]

... tried so many complicated answers -- none worked. Your solution is simple and brilliant. – WGray Aug 6 '15 at 20:49 5 ...
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jQuery .on function for future elements, as .live is deprecated [duplicate]

I need to add a handler for the click event of future <div> elements, that don't exist yet. Normally, I would use jQuery's .live function to handle this, but it seems that it is now deprecated in favor of .on . ...
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argparse: identify which subparser was used [duplicate]

...: Please see quornian's answer to this question, which is better than mine and should be the accepted answer. According to the argparse documentation the result of parser.parse_args(...) will "only contain attributes for the main parser and the sub parser that was selected". Unfortunately this may ...
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Get element type with jQuery

...let - it seems you're right, nodeName does support more types of elements, and supporting IE5.5 shouldn't be an issue any more, so I see no issues with changing tagName to nodeName in the above answer. Both will work just fine for elements, and the latter will work on textnodes, attributes etc. as w...
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“Cannot send session cache limiter - headers already sent” [duplicate]

...rs already sent" means that your PHP script already sent the HTTP headers, and as such it can't make modifications to them now. Check that you don't send ANY content before calling session_start. Better yet, just make session_start the first thing you do in your PHP file (so put it at the absolute ...
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blur vs focusout — any real differences? [duplicate]

...upports event bubbling). The same distinction exists between the focusin and focus events. share | improve this answer | follow | ...
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Newline character sequence in CSS 'content' property? [duplicate]

... The content property accepts a string and: A string cannot directly contain a newline. To include a newline in a string, use an escape representing the line feed character in ISO-10646 (U+000A), such as "\A" or "\00000a". This character represents the g...
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How do I fetch a branch on someone else's fork on GitHub? [duplicate]

...end on your situation. GitHub has a help article explaining the difference and helping you choose: Which remote URL should I use? share | improve this answer | follow ...
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Is Javascript compiled or an interpreted language? [closed]

... Go and read the answers to this question https://softwareengineering.stackexchange.com/questions/138521/is-javascript-interpreted-by-design The answer I accepted is excellent and should help answer your question. For me perso...
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How can I convert String[] to ArrayList [duplicate]

I need to convert a String[] to an ArrayList<String> and I don't know how 6 Answers ...