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How to automatically reload a page after a given period of inactivity

...u want to refresh the page // bassed off the user inactivity. var refresh_rate = 200; //<-- In seconds, change to your needs var last_user_action = 0; var has_focus = false; var lost_focus_count = 0; // If the user loses focus on the browser to many times // we want to refresh anyway even if t...
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NPM global install “cannot find module”

... For anyone else running into this, I had this problem due to my npm installing into a location that's not on my NODE_PATH. [root@uberneek ~]# which npm /opt/bin/npm [root@uberneek ~]# which node /opt/bin/node [root@uberneek ~]# echo $NODE_PATH My NODE_PATH was empty, and running npm install --...
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Why use static_cast(x) instead of (int)x?

...e main reason is that classic C casts make no distinction between what we call static_cast<>(), reinterpret_cast<>(), const_cast<>(), and dynamic_cast<>(). These four things are completely different. A static_cast<>() is usually safe. There is a valid conversion in the...
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How to change the background color of a UIButton while it's highlighted?

...EndImageContext() return image } func setBackgroundColor(_ color: UIColor, for state: UIControlState) { self.setBackgroundImage(imageWithColor(color: color), for: state) } } share | ...
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What should go into an .h file?

...Things like class declarations, function prototypes, and enumerations typically go in header files. In a word, "definitions". Code files (.cpp) are designed to provide the implementation information that only needs to be known in one file. In general, function bodies, and internal variables that sh...
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read.csv warning 'EOF within quoted string' prevents complete reading of file

...ce and Inductive Confirmation\t" "Sound and Sense in Cath Almaine\t" "Oak Galls Preserved by the Eruption of Mount Vesuvius in A.D. 79_ and Their Probable Use\t" "The Arts Four Thousand Years Ago\t" ... ## $ title : chr "Bruce D. Smith\t" "Tomás Ó Cathasaigh\t" "Hiram G. Larew\t" "\t" ......
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Secret copy to clipboard JavaScript function in Chrome and Firefox?

...learConsoleMessages(); } > copy function (object) { if (injectedScript._type(object) === "node") object = object.outerHTML; InjectedScriptHost.copyText(object); } While the Firebug source also defines a list of functions: this.clear = function() // no web page interaction { Firebug.Cons...
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Set default CRAN mirror permanent in R

...?Startup: The path of this file is taken from the value of the R_PROFILE environment variable (after tilde expansion). If this variable is unset, the default is R_HOME/etc/Rprofile.site, which is used if it exists (which it does not in a 'factory-fresh' installation)...
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How to put more than 1000 values into an Oracle IN clause [duplicate]

... Personally I'd put the values into the temp table and use a JOIN to query the values. I don't know whether that's actually better performance or not, though. – Neil Barnwell Dec 30 '08 at 14:...
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validation custom message for rails 3

...ant to remove the field title from the message you should use this on your _form.htmk.erb view: As you can see inside this view: <ul> <% @article.errors.full_messages.each do |msg| %> <li><%= msg %></li> <% end %> </ul> Replace it by: <ul> ...