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Javascript “Not a Constructor” Exception while creating objects

...ause Project is not a user-defined function / valid constructor. function x(a,b,c){} new x(1,2,3); // produces no errors You've probably done something like this: function Project(a,b,c) {} Project = {}; // or possibly Project = new Project new Project(1,2,3); ...
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Show percent % instead of counts in charts of categorical variables

...is was answered there have been some meaningful changes to the ggplot syntax. Summing up the discussion in the comments above: require(ggplot2) require(scales) p <- ggplot(mydataf, aes(x = foo)) + geom_bar(aes(y = (..count..)/sum(..count..))) + ## version 3.0.0 sc...
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Check if two linked lists merge. If so, where?

...e but in the end they should be restored", and we could iterate the lists exactly twice the following algorithm would be the solution. First, the numbers. Assume the first list is of length a+c and the second one is of length b+c, where c is the length of their common "tail" (after the mergepoin...
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Necessary to add link tag for favicon.ico?

...a specific location, perhaps in the images folder or something alike. For example: <link rel="icon" href="_/img/favicon.png"> This diferent location may even be a CDN, just like SO seems to do with <link rel="shortcut icon" href="http://cdn.sstatic.net/stackoverflow/img/favicon.ico">....
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When is null or undefined used in JavaScript? [duplicate]

... The DOM methods getElementById(), nextSibling(), childNodes[n], parentNode() and so on return null (defined but having no value) when the call does not return a node object. The property is defined, but the object it refers to does not exist. This is one of ...
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How can I load an object into a variable name that I specify from an R data file?

...ich the loading script cannot possibly know. This name could overwrite an existing variable of the same name in the loading session. Is there a way to safely load an object from a data file into a specified variable name without risk of clobbering existing variables? ...
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What are all the possible values for HTTP “Content-Type” header?

...content type here: http://www.iana.org/assignments/media-types/media-types.xhtml The most common type are: Type application application/java-archive application/EDI-X12 application/EDIFACT application/javascript application/octet-stream application/ogg application/pdf applicati...
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GDB missing in OS X v10.9 (Mavericks)

I went to use GDB in OS X v10.9 (Mavericks), and it's not there. Where has it gone? 12 Answers ...
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Launch an app on OS X with command line

I want to launch an app on OSX from a script. I need pass it command line arguments. Unfortunately, open doesn't accept command line args. ...
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What's the difference between `=` and `

...as the operator = is only allowed at the top level (e.g., in the complete expression typed at the command prompt) or as one of the subexpressions in a braced list of expressions. share | improve th...