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How can I check if a view is visible or not in Android? [duplicate]
...sn't take up the "spot".
So to answer your question, you're looking for:
if (myImageView.getVisibility() == View.VISIBLE) {
// Its visible
} else {
// Either gone or invisible
}
share
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i...
Why is char[] preferred over String for passwords?
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Strings are immutable. That means once you've created the String, if another process can dump memory, there's no way (aside from reflection) you can get rid of the data before garbage collection kicks in.
With an array, you can explicitly wipe the data after you're done with it. You can ov...
How do I run a program with a different working directory from current, from Linux shell?
Using a Linux shell , how do I start a program with a different working directory from the current working directory?
11 A...
What's the 'Ruby way' to iterate over two arrays at once
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If you're going to use an expression like that, it's always best to use parentheses for method calls, just in case. @budget.zip(@actual).each
– AboutRuby
Aug 26 '10 at 22:48
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Android Spinner: Get the selected item change event
...d on startup as well. Is there a way of executing the containing code only if there is a real item selection invoked by the user?
– Kennethvr
Dec 28 '10 at 11:53
39
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Is there “Break on Exception” in IntelliJ?
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A fast way to pop up the dialog is to press Ctrl + SHIFT + F8 (On Mac: Cmd + SHIFT + F8), then click over to the exception breakpoints tab. If that was the last tab you were viewing, it'll still be selected, making it easy to flick breaking on exceptions on and off.
This will...
Why would one omit the close tag?
...you are implementing some kind payment gateway, and redirect user to a specific URL after successful confirmation by the payment processor. If some kind of PHP error, even a warning, or an excess line ending happens, the payment may remain unprocessed and the user may still seem unbilled. This is al...
Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode
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It really depends on what your input is. If you look at the implementation of the Decode method of json.Decoder, it buffers the entire JSON value in memory before unmarshalling it into a Go value. So in most cases it won't be any more memory efficient (although thi...
conversion from string to json object android
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what if the string is an array of JSON objects? Like "[{},{},{}]"
– Francisco Corrales Morales
Jun 17 '14 at 23:18
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Why does Boolean.ToString output “True” and not “true”
...String() method:
Return Value
Type: System.String
TrueString if the value of this
instance is true, or FalseString if
the value of this instance is false.
Remarks
This method returns the
constants "True" or "False". Note that
XML is case-sensitive, and that the
XML...