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How to get the first item from an associative PHP array?

If I had an array like: 15 Answers 15 ...
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OS X: equivalent of Linux's wget

How can I do an HTTP GET from a Un*x shell script on a stock OS X system? (installing third-party software is not an option, for this has to run on a lot of different systems which I don't have control on). ...
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pod install -bash: pod: command not found

I installed pod some time ago. However, it's stopped working so I'm working through this again. 21 Answers ...
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How do I get the current GPS location programmatically in Android?

I need to get my current location using GPS programmatically. How can i achieve it? 23 Answers ...
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npm ERR cb() never called

I have a Node.js app hosted on Heroku. Every time I do a git push heroku I get the following error: 39 Answers ...
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How do I lock the orientation to portrait mode in a iPhone Web Application?

I'm building a iPhone Web Application and want to lock the orientation to portrait mode. is this possible? Are there any web-kit extensions to do this? ...
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Creating C formatted strings (not printing them)

I have a function that accepts a string, that is: 7 Answers 7 ...
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How do I get the file extension of a file in Java?

Just to be clear, I'm not looking for the MIME type. 30 Answers 30 ...
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Using global variables in a function

How can I create or use a global variable in a function? 20 Answers 20 ...
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Catching multiple exception types in one catch block

I'd like a cleaner way to obtain the following functionality, to catch AError and BError in one block: 11 Answers ...