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Javascript calculate the day of the year (1 - 366)

...log('Day of year: ' + day); Edit: The code above will fail when now is a date in between march 26th and October 29th andnow's time is before 1AM (eg 00:59:59). This is due to the code not taking daylight savings time into account. You should compensate for this: var now = new Date(); v...
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How to check if a float value is a whole number

I am trying to find the largest cube root that is a whole number, that is less than 12,000. 13 Answers ...
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Understanding prototypal inheritance in JavaScript

...e two blocks differ in a way that in the first example Drive() will only exist once while at the second approach Drive() will exist per instance (Every time you do new Car() the function drive() will be created again). Or different said the first uses the prototype to store the function and the seco...
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What's the difference between identifying and non-identifying relationships?

... An identifying relationship is when the existence of a row in a child table depends on a row in a parent table. This may be confusing because it's common practice these days to create a pseudokey for a child table, but not make the foreign key to the p...
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Which is preferred: Nullable.HasValue or Nullable != null?

...I liked the semantics. However, recently I was working on someone else's existing codebase where they used Nullable<> != null exclusively instead. ...
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How do I replace NA values with zeros in an R dataframe?

... 3 9 10 1 9 9 10 5 3 3 10 4 2 2 5 NA 9 7 2 5 5 > d[is.na(d)] <- 0 > d V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 1 4 3 0 3 7 6 6 10 6 5 2 9 8 9 5 10 0 2 1 7 2 3 1 1 6 3 6 0 1 4 1 6 4 0 4 0 7 10 2 0 4 1 8 5 1 2 4 0 2 6 2 6 7...
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Comparison between Mockito vs JMockit - why is Mockito voted better than JMockit? [closed]

...Sep 2019: The only mocking framework supported (by default) by Spring Boot is Mockito. If you use Spring, the answer is quite obvious. I'd say the competition is between JMockit and PowerMock, then Mockito. I'd leave "plain" jMock and EasyMock because they use only proxy & CGLIB and do not ...
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DDD - the rule that Entities can't access Repositories directly

...ies access aggregate roots. Aggregate roots are entities. The reason for this is separation of concerns and good layering. This doesn't make sense on small projects, but if you're on a large team you want to say, "You access a product through the Product Repository. Product is an aggregate root for ...
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Container-fluid vs .container

...h: 1170px; } } Depending on the width of the viewport that the webpage is being viewed on, the container class gives its div a specific fixed width. These lines don't exist in any form for container-fluid, so its width changes every time the viewport width changes. So for example, say your brow...
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What is the difference between '@' and '=' in directive scope in AngularJS?

...you use title=title1 or title="title1", the value of DOM attribute "title" is simply the string title1. If you use title="{{title}}", the value of the DOM attribute "title" is the interpolated value of {{title}}, hence the string will be whatever parent scope property "title" is currently set to. ...