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Android EditText delete(backspace) key event

How can I detect delete (backspace) key event for a editText? I've tried using TextWatcher, but when the editText is empty, when I press delete key, nothing happens. I want to detect delete key press foe an editText even if it has no text. ...
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HTML5 Pre-resize images before uploading

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What is the most accurate way to retrieve a user's correct IP address in PHP?

I know there are a plethora of $_SERVER variables headers available for IP address retrieval. I was wondering if there is a general consensus as to how to most accurately retrieve a user's real IP address (well knowing no method is perfect) using said variables? ...
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Best way to load module/class from lib folder in Rails 3?

Since the latest Rails 3 release is not auto-loading modules and classes from lib anymore, what would be the best way to load them? ...
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How do I list the functions defined in my shell?

I can type alias to show a list of all the aliases. 8 Answers 8 ...
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Avoid Android Lint complains about not-translated string

is it possible to specify that the strings in a file within the value-*  directories are purposely not translated into other languages? I have a bunch of strings that are common for all the languages and need no translation, so I've created an unlocalized-strings.xml file within values directo...
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Subprocess changing directory

I want to execute a script inside a subdirectory/superdirectory (I need to be inside this sub/super-directory first). I can't get subprocess to enter my subdirectory: ...
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getActivity() returns null in Fragment function

I have a fragment (F1) with a public method like this 15 Answers 15 ...
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Where to store global constants in an iOS application?

Most of the models in my iOS app query a web server. I would like to have a configuration file storing the base URL of the server. It will look something like this: ...
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Spring RestTemplate timeout

I would like to set the connection timeouts for a rest service used by my web application. I'm using Spring's RestTemplate to talk to my service. I've done some research and I've found and used the xml below (in my application xml) which I believe is meant to set the timeout. I'm using Spring 3.0...