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How to calculate time difference in java?

... java.time.Duration; import java.time.Instant; ... Instant start = Instant.now(); //your code Instant end = Instant.now(); Duration timeElapsed = Duration.between(start, end); System.out.println("Time taken: "+ timeElapsed.toMillis() +" milliseconds"); ...
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Sequelize.js: how to use migrations and sync

...isten(3000); // do your stuff }); }); I can't try this right now, but at first look it should work. UPD Apr. 2016 After a year, still useful, so sharing my current tips. For now, I'm installing sequelize-cli package as required live dependancy, and then modify NPM startup scripts in ...
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How to determine when Fragment becomes visible in ViewPager

...ibrary update (rev 11), the user visible hint issue is finally fixed. It's now safe to use user visible hint for ViewPager. – Oasis Feng Nov 14 '12 at 3:05 59 ...
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Check if two linked lists merge. If so, where?

...epoint). Let's denote them as follows: x = a+c y = b+c Since we don't know the length, we will calculate x and y without additional iterations; you'll see how. Then, we iterate each list and reverse them while iterating! If both iterators reach the merge point at the same time, then we find it...
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What is object slicing?

...nk casting back (since not a pointer arithmetic) will work , A a = b; a is now object of type A which has copy of B::foo. It will be mistake to cast it back now i think. – user72424 Aug 12 '11 at 12:27 ...
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When exactly is it leak safe to use (anonymous) inner classes?

...u are actually asking several questions at once. I'll do my best with the knowledge that I have to cover it and, hopefully, some others will join in to cover what I may miss. Nested Classes: Introduction As I'm not sure how comfortable you are with OOP in Java, this will hit a couple of basics. A ...
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How to get current user, and how to use User class in MVC5?

... User authentication and authorization have changed for ASP.NET MVC 5. Now it's a Claims-based authentication with interfaces and generic repositories that you can use with EF or other provider (EF implementation comes as a default). Since GetUserId is an extension method stored at the bottom of...
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List passed by ref - help me explain this behaviour

...asses a reference to the local-variable myRef (as declared in TestMethod); now, if you reassign the parameter inside ChangeList you are also reassigning the variable inside TestMethod. share | impro...
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Using Razor within JavaScript

...cript"> // Some JavaScript code here to display map, etc. // Now add markers @foreach (var item in Model) { <text> var markerlatLng = new google.maps.LatLng(@(Model.Latitude), @(Model.Longitude)); var title = '@(Model.Title)'; var d...
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What are bitwise shift (bit-shift) operators and how do they work?

..., you would use the following math: memoryOffset = (row * 320) + column Now, back in that day and age, speed was critical, so we would use bitshifts to do this operation. However, 320 is not a power of two, so to get around this we have to find out what is a power of two that added together make...