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Simple calculations for working with lat/lon and km distance?

Is there a simple calculation I can do which will convert km into a value which I can add to a lat or lon float to calculate a bounding box for searches? It doesn't need to be completely accurate. ...
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Converting string from snake_case to CamelCase in Ruby

I am trying to convert a name from snake case to camel case. Are there any built-in methods? 10 Answers ...
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What are the differences between a UIView and a CALayer?

Both have most of the same attributes, both support different kind of animations, both represent different data. What are the differences between a UIView and a CALayer? ...
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Check if an element is a child of a parent

I have the following code. 7 Answers 7 ...
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Difference between jQuery’s .hide() and setting CSS to display: none

Which am I better off doing? .hide() is quicker than writing out .css("display", "none") , but what’s the difference and what are both of them actually doing to the HTML element? ...
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How can sbt pull dependency artifacts from git?

I've heard (and I know I've seen examples too, if only I can remember where) that sbt can obtain dependencies from a git repo. ...
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Build a Basic Python Iterator

How would one create an iterative function (or iterator object) in python? 10 Answers ...
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Maven project.build.directory

In Maven, what does the project.build.directory refer to? I am a bit confused, does it reference the source code directory or the target directory in the Maven project? ...
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Transpose/Unzip Function (inverse of zip)?

I have a list of 2-item tuples and I'd like to convert them to 2 lists where the first contains the first item in each tuple and the second list holds the second item. ...
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Optional query string parameters in ASP.NET Web API

I need to implement the following WebAPI method: 5 Answers 5 ...