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What's the difference between Spring Data's MongoTemplate and MongoRepository?
...ds of any great practical value. In order to make it work you run into the Java configuration nonsense which you can spend days and weeks on without much help in the documentation.
Instead, go with the MongoTemplate route and create your own Data access layer which frees you from the configuration...
Why does changing the returned variable in a finally block not change the return value?
I have a simple Java class as shown below:
7 Answers
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Usage of @see in JavaDoc?
When do I use @see when dealing with JavaDocs? What is its usage?
4 Answers
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How to display all methods of an object?
...t even works in Nashorn. They just changed the names of the methods of the Java object, and I was able to figure out the new names by running Object.getOwnPropertyNames(Java)
– cayhorstmann
Oct 9 '13 at 3:11
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What is “vectorization”?
...articles/vectorization-a-key-tool-to-improve-performance-on-modern-cpus
In Java there is a option to this be included in Jdk 15 of 2020 or late at JDK 16 at 2021.
https://bugs.openjdk.java.net/browse/JDK-8201271
The Vector api is the first JEP proposed to target in JDK 16.
https://bugs.openjdk.java...
Why does C# disallow readonly local variables?
...sewhere in the method, then your method is too long.
For what it's worth, Java has this feature (using the final modifier) and I've very rarely seen it used other than in cases where it has to be used to allow the variable to be captured by an anonymous inner class - and where it is used, it gives ...
Difference between break and continue statement
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Note that Java also contains labeled continue/break statements which have different semantics :-)
– Jay
Jan 20 '09 at 18:14
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What is resource-ref in web.xml used for?
...figuration file.
So here's what happens: let's say you want to lookup the java:comp/env/jdbc/primaryDB name. The container finds that web.xml has a <resource-ref> element for jdbc/primaryDB, so it will look into the container-specific configuration, that contains something similar to the foll...
Populating Spring @Value during Unit Test
...eflectionTestUtils - it has a method setField to set private fields.
@see JavaDoc: ReflectionTestUtils.setField(java.lang.Object, java.lang.String, java.lang.Object)
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How to remove elements from a generic list while iterating over it?
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For those coming from Java, C#'s List is like ArrayList in that insertion/removal is O(n) and retrieval via an index is O(1). This is not a traditional linked list. It seems a bit unfortunate C# uses the word "List" to describe this data structure...