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What is the cleanest way to get the progress of JQuery ajax request?

...ng a request, processing the request in the backend to generate some data, and return it back. How can the client side possibly know what is being done in the backend and how much time it will take that it can calculate the progress? – SexyBeast Apr 30 '17 at 2...
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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)

...lock() { m_.release(); } }; // A class which uses 'mutex' and 'lock' objects class foo { mutex mutex_; // mutex for locking 'foo' object public: void bar() { lock scopeLock(mutex_); // lock object. foobar(); // an operation which may throw an exception ...
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Google Maps v3 - limit viewable area and zoom level

...a certain area? I want to allow displaying only some area (e.g. a country) and disallow the user to slide elsewhere. Also I want to restrict the zoom level - e.g. only between levels 6 and 9. And I want to use all the base map types. ...
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What can I use instead of the arrow operator, `->`?

... them inconsistently. Becomes really annoying when you work with templates and don't know the precise type. – Konrad Rudolph Oct 21 '08 at 10:15 1 ...
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Select N random elements from a List in C#

I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> . ...
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Double vs. BigDecimal?

I have to calculate some floating point variables and my colleague suggest me to use BigDecimal instead of double since it will be more precise. But I want to know what it is and how to make most out of BigDecimal ? ...
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Use of Finalize/Dispose method in C#

...have to, but you give inheritors of your class a hook to call your Dispose and implement a finalizer themselves if they use unmanaged resources directly: public class C : B { private IntPtr m_Handle; protected override void Dispose(bool disposing) { if (disposing) { ...
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How many Activities vs Fragments?

...he pattern used by the ActionBarSherlock Fragments Demo app (download here and source code here). The demo that most closely matches the tutorial mentioned in the question is the one called "Layout" in the app; or FragmentLayoutSupport in the source code. In this demo, the logic has been moved out ...
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jQuery Popup Bubble/Tooltip [closed]

...ng to make a "bubble" that can popup when the onmouseover event is fired and will stay open as long as the mouse is over the item that threw the onmouseover event OR if the mouse is moved into the bubble. My bubble will need to have all manners of HTML and styling including hyperlinks, images, e...
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Does use of final keyword in Java improve the performance?

...s, HotSpot keeps track of whether the method has actually been overridden, and is able to perform optimizations such as inlining on the assumption that a method hasn't been overridden - until it loads a class which overrides the method, at which point it can undo (or partially undo) those optimizati...