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Calculating distance between two points, using latitude longitude?

Here's my try, it's just a snippet of my code: 9 Answers 9 ...
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'

I'm working through some exercises and have got a warning that states: 4 Answers 4 ...
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How to enable Bootstrap tooltip on disabled button?

I need to display a tooltip on a disabled button and remove it on an enabled button. Currently, it works in reverse. 18 Ans...
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What does Connect.js methodOverride do?

The Connect.js very terse documentation says methodOverride 1 Answer 1 ...
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Is it possible to define more than one function per file in MATLAB, and access them from outside tha

When I was studying for my undergraduate degree in EE, MATLAB required each function to be defined in its own file, even if it was a one-liner. ...
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Get the creation date of a stash

Is there a way to tell when a stash was created? 3 Answers 3 ...
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Determine if ActiveRecord Object is New

How can I check if an ActiveRecord object is new or is already persisted? 2 Answers ...
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What are the rules for evaluation order in Java?

I am reading some Java text and got the following code: 5 Answers 5 ...
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How to get a vertical geom_vline to an x-axis of class date?

Even though I found Hadley's post in the google group on POSIXct and geom_vline , I could not get it done. I have a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line ...
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ruby convert array into function arguments

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