大约有 7,481 项符合查询结果（耗时：0.0225秒） [XML]
Difference between an application server and a servlet container?
...rvlet API (including JSP, JSTL).
An application server supports the whole JavaEE - EJB, JMS, CDI, JTA, the servlet API (including JSP, JSTL), etc.
It is possible to run most of the JavaEE technologies on a servlet-container, but you have to install a standalone implementation of the particular tec...
How to get the Full file path from URI
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Caused by: java.lang.IllegalArgumentException: URI is not absolute
– Anu Martin
Feb 15 '18 at 18:13
14
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What are five things you hate about your favorite language? [closed]
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Five things I hate about Java:
No first-class functions.
No type inference.
Lack of sane defaults in eg graphics.
NullPointerException not containing more information about what is null.
The proliferation of pointlessly "configurable" frameworks/se...
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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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
29
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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
8
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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 -
6...
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...