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Why java.lang.Object is not abstract? [duplicate]

...e argued that some of the methods would benefit from this. Take hashCode() and equals() for instance, there would probably have been a lot less frustration around the complexities of these two if they had both been made abstract. This would require developers to figure out how they should be impleme...
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How can I get the current page name in WordPress?

...d Jul 31 at 19:22 Jonathan Fingland 52k1111 gold badges7979 silver badges7777 bronze badges answered Jan 29 '11 at 15:58 ...
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Convert java.util.Date to java.time.LocalDate

...mDefault()); A ZonedDateTime contains state consisting of the local date and time, time-zone and the offset from GMT/UTC. As such the date - LocalDate - can be easily extracted using toLocalDate(): Date input = new Date(); Instant instant = input.toInstant(); ZonedDateTime zdt = instant.atZone(Zo...
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What is the difference between Strategy design pattern and State design pattern?

What are the differences between the Strategy design pattern and the State design pattern? I was going through quite a few articles on the web but could not make out the difference clearly. ...
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Correctly determine if date string is a valid date in that format

I'm receiving a date string from an API, and it is formatted as yyyy-mm-dd . 16 Answers ...
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How do malloc() and free() work?

I want to know how malloc and free work. 13 Answers 13 ...
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Styling an input type=“file” button

...ou will need to look at the tricksy approach of overlaying a styled button and input box on top of the native file input. The article already mentioned by rm at www.quirksmode.org/dom/inputfile.html is the best one I've seen. UPDATE Although it's difficult to style an <input> tag directly, t...
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vs

... HTML5, they are equivalent. Use the shorter one, it is easier to remember and type. Browser support is fine since it was designed for backwards compatibility. share | improve this answer |...
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What are the differences between Abstract Factory and Factory design patterns?

... Difference Between The Two The main difference between a "factory method" and an "abstract factory" is that the factory method is a method, and an abstract factory is an object. I think a lot of people get these two terms confused, and start using them interchangeably. I remember that I had a hard ...
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How would I run an async Task method synchronously?

I'm learning about async/await, and ran into a situation where I need to call an async method synchronously. How can I do that? ...