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Error in : object of type 'closure' is not subsettable

...f <- reactive({ data.frame(col1 = c(1,2,3), col2 = c(4,5,6)) }) While we often work with reactive expressions in shiny as if they were data frames, they are actually functions that return data frames (or other objects). isolate({ print(reactive_df()) print(reactive_d...
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Remove refs/original/heads/master from git repo after filter-branch --tree-filter?

... | edited Jul 24 '12 at 15:31 answered Oct 4 '11 at 22:44 ...
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D3.js: How to get the computed width and height for an arbitrary element?

... | edited Feb 4 '15 at 11:50 answered Feb 24 '14 at 15:04 ...
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typedef fixed length array

I have to define a 24-bit data type.I am using char[3] to represent the type. Can I typedef char[3] to type24 ? I tried it in a code sample. I put typedef char[3] type24; in my header file. The compiler did not complain about it. But when I defined a function void foo(type24 val) {} in my C...
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Locate the nginx.conf file my nginx is actually using

... 249 Running nginx -t through your commandline will issue out a test and append the output with the ...
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JVM option -Xss - What does it do exactly?

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MySQL: how to get the difference between two timestamps in seconds

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HTML anchor link - href and onclick both?

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Flatten List in LINQ

... Mike TwoMike Two 40k77 gold badges7676 silver badges9494 bronze badges ...
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jQuery find parent form

... 488 I would suggest using closest, which selects the closest matching parent element: $('input[na...