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Double vs. BigDecimal?
...mal. Otherwise Doubles tend to be good enough.
I do recommend reading the javadoc of BigDecimal as they do explain things better than I do here :)
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Tomcat: How to find out running tomcat version
...is not recent, I thought, my answer can still help others:
cd tomcat/lib
java -cp catalina.jar org.apache.catalina.util.ServerInfo
and that's it.
Server version: Apache Tomcat/7.0.30
Server built: May 23 2013 02:54:10
Server number: 7.0.30.0
OS Name: Linux
OS Version: 3.13.0-36-ge...
Best practice multi language website
...e abstracted as:
http://site.tld/[:query]: where [:query] determines both language and content choice
http://site.tld/[:language]/[:query]: where [:language] part of URL defines the choice of language and [:query] is used only to identify the content
Query is Α and Ω ..
Lets say you pick http:...
Static Vs. Dynamic Binding in Java
...ssignment for one of my classes, and in it, I have to give examples, using Java syntax, of static and dynamic binding .
...
Get month name from Date
... Not an ideal solution if one has to include month names for each language supported. There's got to be a better way using String#split with toString or toDateString.
– Ryan
Oct 31 '11 at 19:18
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How to set up Spark on Windows?
...
Steps to install Spark in local mode:
Install Java 7 or later.
To test java installation is complete, open command prompt type java and hit enter.
If you receive a message 'Java' is not recognized as an internal or external command. You need to configure your environmen...
How to persist a property of type List in JPA?
...
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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Difference between case object and object
...fined module A
scala> case object B
defined module B
scala> import java.io._
import java.io._
scala> val bos = new ByteArrayOutputStream
bos: java.io.ByteArrayOutputStream =
scala> val oos = new ObjectOutputStream(bos) ...
Retrieve only static fields declared in Java class
...new ArrayList<Field>();
for (Field field : declaredFields) {
if (java.lang.reflect.Modifier.isStatic(field.getModifiers())) {
staticFields.add(field);
}
}
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How to define a List bean in Spring?
...hema/util/spring-util-2.5.xsd">
<util:list id="myList" value-type="java.lang.String">
<value>foo</value>
<value>bar</value>
</util:list>
The value-type is the generics type to be used, and is optional. You can also specify the list implementation ...