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Spring Boot: How can I set the logging level with application.properties?
...imple question, but I cannot find information.
(Maybe my knowledge about Java frameworks is severely lacking)
15 Answers
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Get the POST request body from HttpServletRequest
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In Java 8, you can do it in a simpler and clean way :
if ("POST".equalsIgnoreCase(request.getMethod()))
{
test = request.getReader().lines().collect(Collectors.joining(System.lineSeparator()));
}
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How to reference constants in EL?
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EL 3.0 or newer
If you're already on Java EE 7 / EL 3.0, then the @page import will also import class constants in EL scope.
<%@ page import="com.example.YourConstants" %>
This will under the covers be imported via ImportHandler#importClass() and be ava...
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...
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 .
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How to set up Spark on Windows?
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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?
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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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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:...
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) ...