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Why hasn't functional programming taken over yet?
...re longer. A Haskell program will almost always be more terse than, say, a Java program — even in a "bad fit" domain with lots of inherent state.
– Chuck
May 14 '10 at 17:17
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How to persist a property of type List in JPA?
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As mentioned in the comments below, the correct JPA 2 implementation is
javax.persistence.ElementCollection
@ElementCollection
Map<Key, Value> collection;
See: http://docs.oracle.com/javaee/6/api/javax/persistence/ElementCollection.html
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Filter Java Stream to 1 and only 1 element
I am trying to use Java 8 Stream s to find elements in a LinkedList . I want to guarantee, however, that there is one and only one match to the filter criteria.
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Why have header files and .cpp files? [closed]
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How do other languages handle this? for example - Java? There is no header file concept in Java.
– Lazer
Jun 13 '10 at 12:18
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How to get current timestamp in milliseconds since 1970 just the way Java gets
In Java, we can use System.currentTimeMillis() to get the current timestamp in Milliseconds since epoch time which is -
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How to improve Netbeans performance?
... collector and add few settings and now Netbeans is alright! I add: Dsun.java2d.d3d=false -J-XX:+UseConcMarkSweepGC -J-XX:+CMSClassUnloadingEnabled -J-XX:+CMSPermGenSweepingEnabled. It depends. SSD is good, big RAM too, but that is not all for performance of IDE. I think, that default settings is...
Eclipse JPA Project Change Event Handler (waiting)
...I ended up finding out that this seems to be a known bug in DALI (Eclipse Java Persistence Tools) since at least eclipse 3.8 which could cause the save action in the java editor to be extremly slow.
Since this hasn't been fully resolved in Kepler (20130614-0229) yet and because I don't need JPT/DA...
Difference between SPI and API?
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In Java, are annotations part of an SPI? For example, if I have to add @SomeAnnotation to my class to get it picked up by some framework, would this annotation class SomeAnnotation.class be considered part of the SPI, even thoug...
How to configure multi-module Maven + Sonar + JaCoCo to give merged coverage report?
...-plugin:prepare-agent or setting maven-surefire-plugin argLine with -javaagent .
12 Answers
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What does “|=” mean? (pipe equal operator)
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@A.R.S.: I can't think of a counter-example in Java (maybe if j is volatile?), but I'll take your word for it.
– David Schwartz
Jan 12 '13 at 17:10
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