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What is the iBeacon Bluetooth Profile

I'd like to create my own iBeacon with some Bluetooth Low Energy dev kits. Apple has yet to release a specification for iBeacons, however, a few hardware developers have reverse Engineered the iBeacon from the AirLocate Sample code and started selling iBeacon dev kits. ...
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How to get MVC action to return 404

I have an action that takes in a string that is used to retrieve some data. If this string results in no data being returned (maybe because it has been deleted), I want to return a 404 and display an error page. ...
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How do I get user IP address in django?

How do I get user's IP in django? 11 Answers 11 ...
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Using success/error/finally/catch with Promises in AngularJS

I'm using $http in AngularJs, and I'm not sure on how to use the returned promise and to handle errors. 6 Answers ...
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What happens if you static_cast invalid value to enum class?

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How to destroy an object?

As far as I know (which is very little) , there are two ways, given: 6 Answers 6 ...
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Trim spaces from start and end of string

I am trying to find a way to trim spaces from the start and end of the title string. I was using this, but it doesn't seem to be working: ...
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How to list the size of each file and directory and sort by descending size in Bash?

I found that there is no easy to get way the size of a directory in Bash? 11 Answers 1...
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Error: Cannot access file bin/Debug/… because it is being used by another process

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Select elements by attribute in CSS

Is it possible to select elements in CSS by their HTML5 data attributes (for example, data-role )? 5 Answers ...