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How do I clear the std::queue efficiently?

... Yes - a bit of a misfeature of the queue class, IMHO. This is what I do: #include <queue> using namespace std;; int main() { queue <int> q1; // stuff q1 = queue<int>(); } share...
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How to show the “Are you sure you want to navigate away from this page?” when changes committed?

...ate (2013) The orginal answer is suitable for IE6-8 and FX1-3.5 (which is what we were targeting back in 2009 when it was written), but is rather out of date now and won't work in most current browsers - I've left it below for reference. The window.onbeforeunload is not treated consistently by all...
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How to get the caller's method name in the called method?

....getouterframes(inspect.currentframe(), 2)[1][3] but it's entirely unclear what [1][3] is accessing. import inspect from types import FrameType from typing import cast def caller_name() -> str: """Return the calling function's name.""" # Ref: https://stackoverflow.com/a/57712700/ ...
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How to “return an object” in C++?

...y value. If performance is a problem, profile it (stop guessing), and find what you can do to fix it. It likely won't be returning things from functions. That said, if you're dead set on writing like that, you'd probably want to do the out parameter. It avoids dynamic memory allocation, which is ...
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How to determine when Fragment becomes visible in ViewPager

... Exactly what I was looking for. Solves the problem with setUserVisibleHint being called before onCreateView and that setUserVisibleHint doesn't get called if app goes background and then foreground. Awesome! Thank you! ...
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How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?

... Out of curiosity, what benefit does using SimpleDateFormat bring over just: dateTime.ToString("yyyy-MM-dd HH:mm:ss.SSS") ? – NickG May 8 '13 at 9:43 ...
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Android check internet connection [duplicate]

... so what do you suggest? – Bugs Happen Jan 5 '17 at 6:45 6 ...
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Adding placeholder text to textbox

...appears as soon as the control gets focus, which means if you didn't catch what it said (and it's important), you have to click off of it to see the placeholder text again. I added another answer to add a placeholder that disappears only after the user starts typing. – Gabriel ...
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Custom thread pool in Java 8 parallel stream

...n ForkJoinPool. Where did you see, that the ForkJoinPool.submit() would do what you say it does? – Frederic Leitenberger Jan 23 '18 at 17:29 ...
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INotifyPropertyChanged vs. DependencyProperty in ViewModel

...Styles) Refer this post also - https://stackoverflow.com/questions/275098/what-applications-could-i-study-to-understand-datamodel-view-viewmodel . The link has a lot of reference to Model-View-ViewModel pattern, which is very relevant to this discussion. ...