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Why cast an unused function parameter value to void?

...For example if you do have the following statement: ud; This warning is now suppressed. However now GCC will produce another warning: unused.c:5:5: warning: statement with no effect [-Wunused-value] ud; ^~ This warning tells that the statement ud;, while being syntactically valid C, ...
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What is the most frequent concurrency issue you've encountered in Java? [closed]

...actice as the reader thread will eventually see the change - but we don't know how soon he saw it. share | improve this answer | follow | ...
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How can I convert spaces to tabs in Vim or Linux?

...t it to work, not sure what is necessary and what is not, and btw i don't know what the "%" before reatab is doing: :set noet, :set tabstop=2, :retab!, :%retab!, :set tabstop=1, :retab!, :%retab! – cwd Feb 2 '12 at 1:39 ...
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Callback to a Fragment from a DialogFragment

...od like callBackMethod(Object data). Which you would calling to pass data. Now you can implement DialogFragmentCallbackInterface interface in your fragment like MyFragment implements DialogFragmentCallbackInterface At time of DialogFragment creation set your invoking fragment MyFragment as target f...
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Load a UIView from nib in Swift

... Now being able to return -> Self in swift helps simplify this a bit. Last confirmed on Swift 5. extension UIView { class func fromNib(named: String? = nil) -> Self { let name = named ?? "\(Self.self)" ...
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C++ Object Instantiation

...a = new B(); a->f(); delete a; return 0; } This will print "B". Now lets see what happens when using Stack: int main(void) { A a = B(); a.f(); return 0; } This will print "A", which might not be intuitive to those who are familiar with Java or other object oriented languages. The...
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Why is using onClick() in HTML a bad practice?

...L is a bad practice, because it's not good for semantics. I would like to know what the downsides are and how to fix the following code? ...
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How to open a second activity on click of button in android app

... @HenryAspden i have edit my code now try this. i have put this code in onCreate try this way. – J.D. Nov 2 '12 at 12:15 ...
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How can I fill a div with an image while keeping it proportional?

... An old question but deserves an update as now there is a way. The correct CSS based answer is to use object-fit: cover, which works like background-size: cover. Positioning would be taken care of by object-position attribute, which defaults to centering. But there ...
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Using multiple let-as within a if-statement in Swift

...and latitude or longitude as Double") } Update: This version of the code now works properly. share | improve this answer | follow | ...