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Measuring the distance between two coordinates in PHP

... have the need to calculate the distance between two points having the lat and long. 12 Answers ...
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How to parse JSON in Java

... I agree with @StaxMan. I just tried org.json and it's horribly cumbersome. It really doesn't play with with standard Java Collection types, for example. – Ken Williams Nov 12 '14 at 16:55 ...
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Create a .txt file if doesn't exist, and if it does append a new line

I would like to create a .txt file and write to it, and if the file already exists I just want to append some more lines: 1...
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Detect backspace in empty UITextField

... answered Dec 30 '09 at 23:10 AndrewAndrew 2,1921414 silver badges1414 bronze badges ...
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How can I start PostgreSQL server on Mac OS X?

I had forgotten to run the initdb command. 33 Answers 33 ...
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Why do we need Abstract factory design pattern?

...tract Factory has been accepted as the solution. To the best of my understanding, these questions represent real concerns or problems that people had, so that should get you started with some real-life examples: Is there a pattern for initializing objects created via a DI container Can't combine ...
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How to disable anchor “jump” when loading a page?

I think this may not be possible, will try and explain as best as I can. I have a page containing tabs (jquery powered), controlled by the following: ...
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Getting Http Status code number (200, 301, 404, etc.) from HttpWebRequest and HttpWebResponse

... @rusty: If the connection failed and thus the request could not be sent and no response could be received, there won't be any http status code. – Oliver Apr 10 '14 at 11:34 ...
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Can you attach Amazon EBS to multiple instances?

We currently use multiple webservers accessing one mysql server and fileserver. Looking at moving to the cloud, can I use this same setup and attach the EBS to multiple machine instances or what's another solution? ...
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?

In the Mac and iOS platforms, memory leaks are often caused by unreleased pointers. Traditionally, it has always been of utmost importance to check your allocs, copies and retains to make sure each has a corresponding release message. ...