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How do I make an Android EditView 'Done' button and hide the keyboard when clicked?
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Use TextView.setImeOptions and pass it actionDone.
like textView.setImeOptions(EditorInfo.IME_ACTION_DONE);
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RAII and smart pointers in C++
...e destructor of File. So long as the File object is destroyed at the right time (which it should be anyway), closing the file is taken care of for us. So, our code now looks something like:
File file("/path/to/file");
// Do stuff with file
// No need to close it - destructor will do that for us
T...
R: Comment out block of code [duplicate]
...and or Control + Shift + C again.
These shortcuts will likely change over time as editors get updated and different software becomes the most popular R editors. You'll have to look it up for whatever software you have.
shar...
Convert a string representation of a hex dump to a byte array using Java?
I am looking for a way to convert a long string (from a dump), that represents hex values into a byte array.
24 Answers
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How to compare two colors for similarity/difference
...here is no perfect answer to the question (that was asked here a couple of time) but there is one more sophisticated then the sqrt(r-r) etc answer and more easy to implent directly with RGB without moving to all kind of alternate color spaces. I found this formula here which is a low cost approximat...
Invoke a callback at the end of a transition
... continuing from the end of the transition is that it runs your function N times (for N items in the set of transitioning elements). This is far from ideal sometimes.
– Steven Lu
Oct 3 '13 at 5:44
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What is the difference between Builder Design pattern and Factory Design pattern?
...lex) as the designer
discovers where more flexibility is
needed.
Sometimes creational patterns are complementary: Builder can use one
of the other patterns to implement
which components get built. Abstract
Factory, Builder, and Prototype can
use Singleton in their
implementations.
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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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How to get filename without extension from file path in Ruby
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# => #<Pathname:ruby>
I haven't been a Windows user in a long time, but the Pathname rdoc says it has no issues with directory-name separators on Windows.
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How to remove leading zeros from alphanumeric text?
I've seen questions on how to prefix zeros here in SO. But not the other way!
19 Answers
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