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Are arrays passed by value or passed by reference in Java? [duplicate]
Arrays are not a primitive type in Java, but they are not objects either , so are they passed by value or by reference? Does it depend on what the array contains, for example references or a primitive type?
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Spring Boot application as a Service
How to configure nicely Spring Boot application packaged as executable jar as a Service in the Linux system? Is this recommended approach, or should I convert this app to war and install it into Tomcat?
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Difference between Mutable objects and Immutable objects [duplicate]
Any one please give the diff between Mutable objects and Immutable objects with example.
5 Answers
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CSS Image size, how to fill, not stretch?
I have an image, and I want to set it a specific width and height (in pixels)
15 Answers
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SQL how to make null values come last when sorting ascending
I have a SQL table with a datetime field. The field in question can be null. I have a query and I want the results sorted ascendingly by the datetime field, however I want rows where the datetime field is null at the end of the list, not at the beginning.
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Why is `std::move` named `std::move`?
The C++11 std::move(x) function doesn't really move anything at all. It is just a cast to r-value. Why was this done? Isn't this misleading?
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SQL multiple column ordering
I am trying to sort by multiple columns in SQL, and in different directions. column1 would be sorted descending, and column2 ascending.
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How to change the height of a ?
I have a big paragraph of text that is divided into subparagraphs with <br> 's:
33 Answers
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Oracle “Partition By” Keyword
Can someone please explain what the partition by keyword does and give a simple example of it in action, as well as why one would want to use it? I have a SQL query written by someone else and I'm trying to figure out what it does.
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How to limit setAccessible to only “legitimate” uses?
The more I learned about the power of java.lang.reflect.AccessibleObject.setAccessible , the more astonished I am at what it can do. This is adapted from my answer to the question ( Using reflection to change static final File.separatorChar for unit testing ).
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