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JAXB creating context and marshallers cost
...arshallers are not necessarily thread-safe.
The same is said on this page:https://javaee.github.io/jaxb-v2/doc/user-guide/ch03.html#other-miscellaneous-topics-performance-and-thread-safety.
I would guess that creating a JAXBContext is a costly operation, because it involves scanning classes and pa...
How do I tell Spring Boot which main class to use for the executable jar?
...ated with @SpringBootApplication for you. (Refer to this issue for detail: https://github.com/spring-projects/spring-boot/issues/6496 )
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Check if a folder exist in a directory and create them using C#
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Not equal != operator on NULL
...one doesn't know what the value is.
Here is a wikipedia article to read:
https://en.wikipedia.org/wiki/Null_(SQL)
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How To Auto-Format / Indent XML/HTML in Notepad++
...ture by default. But you can use some online tools to autoformat text like https://www.freeformatter.com/xml-formatter.html .
It helps. :)
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Difference between string and text in rails?
... name: "RAW", limit: 2000 },
bigint: { name: "NUMBER", limit: 19 }
}
https://github.com/rsim/oracle-enhanced/blob/master/lib/active_record/connection_adapters/oracle_enhanced_adapter.rb
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Python list directory, subdirectory, and files
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What is a good Java library to zip/unzip files? [closed]
...u can check out is zt-zip available from Maven central and project page at https://github.com/zeroturnaround/zt-zip
It has the standard packing and unpacking functionality (on streams and on filesystem) + lots of helper methods to test for files in an archive or add/remove entries.
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Connection pooling options with JDBC: DBCP vs C3P0
...(Dec '13) After 4 years at the top, there's now a much faster competitor : https://github.com/brettwooldridge/HikariCP
Update #3: (Sep '14) Please consider BoneCP to be deprecated at this point, recommend switching to HikariCP.
Update #4: (April '15) -- I no longer own the domain jolbox.com
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How to Correctly handle Weak Self in Swift Blocks with Arguments
...e section from the manual on using strong, weak, and unowned in closures:
https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/AutomaticReferenceCounting.html
Note: I used the term closure instead of block which is the newer Swift term:
Difference ...