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How to create our own Listener interface in android?
Could someone help me to create user defined listener interface with some code snippets?
9 Answers
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How to get the number of Characters in a String?
How can I get the number of characters of a string in Go?
7 Answers
7
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Celery Received unregistered task of type (run example)
I'm trying to run example from Celery documentation.
34 Answers
34
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Moving decimal places over in a double
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If you use double or float, you should use rounding or expect to see some rounding errors. If you can't do this, use BigDecimal.
The problem you have is that 0.1 is not an exact representation, and by performing the calculation twice, you are compounding that error.
Howe...
Error in Swift class: Property not initialized at super.init call
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Quote from The Swift Programming Language, which answers your question:
“Swift’s compiler performs four helpful safety-checks to make sure
that two-phase initialization is completed without error:”
Safety check 1 “A designated initiali...
Qt events and signal/slots
In the Qt world, what is the difference of events and signal/slots?
10 Answers
10
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Switching between Android Navigation Drawer image and Up caret when using fragments
When using the Navigation Drawer the Android devs are recommending that in the ActionBar "only those screens that are represented in the Navigation Drawer should actually have the Navigation Drawer image" and that "all other screens have the traditional up carat."
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PHP Fatal error: Using $this when not in object context
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In my index.php I'm loading maybe
foobarfunc() like this:
foobar::foobarfunc(); // Wrong, it is not static method
but can also be
$foobar = new foobar; // correct
$foobar->foobarfunc();
You can not invoke m...
The “unexpected ++” error in jslint [duplicate]
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Use i += 1 instead, if you want to follow jslint's advice.
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How to compare only Date without Time in DateTime types in Linq to SQL with Entity Framework?
Is there a way to compare two DateTime variables in Linq2Sql but to disregard the Time part.
12 Answers
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