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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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Disable button in jQuery
My page creates multiple buttons as id = 'rbutton_"+i+"' . Below is my code:
11 Answers
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What is the difference between conversion specifiers %i and %d in formatted IO functions (*printf /
What is the difference between %d and %i when used as format specifiers in printf ?
4 Answers
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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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Breadth First Vs Depth First
When Traversing a Tree/Graph what is the difference between Breadth First and Depth first? Any coding or pseudocode examples would be great.
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getActivity() returns null in Fragment function
I have a fragment (F1) with a public method like this
15 Answers
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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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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...