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Spring .properties file: get element as an Array
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base.module.elementToSearch=1,2,3,4,5,6
You can load such array in your Java class like this:
@Value("${base.module.elementToSearch}")
private String[] elementToSearch;
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What is an existential type?
... is relay the bytecode from VirtualMachine.compile to VirtualMachine.run.
Java type wildcards (ex: List<?>) are a very limited form of existential types.
Update: Forgot to mention that you can sort of simulate existential types with universal types. First, wrap your universal type to hide t...
What's the simplest way to print a Java array?
In Java, arrays don't override toString() , so if you try to print one directly, you get the className + '@' + the hex of the hashCode of the array, as defined by Object.toString() :
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Does Java have a HashMap with reverse lookup?
...ame for this type of data structure, and is anything like this included in Java's standard libraries? (or maybe Apache Commons?)
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What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how
I imported a Maven project and it used Java 1.5 even though I have 1.6 configured as my Eclipse default Preferences->Java->Installed JREs .
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Does “\d” in regex mean a digit?
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For Persian and Arabic , in java and javascript engines, use \p{Nd}
– Alireza Fattahi
Nov 16 '13 at 13:57
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How to draw a path on a map using kml file?
...on I will be parsing.
package com.myapp.android.model.navigation;
import java.util.ArrayList;
import java.util.Iterator;
public class NavigationDataSet {
private ArrayList<Placemark> placemarks = new ArrayList<Placemark>();
private Placemark currentPlacemark;
private Placemark rout...
Draw a perfect circle from user's touch
...ion mechanism based on that idea. See working demo below (Sorry, I'm using Java as the fastest way to provide this fast and a bit dirty example):
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Head...
Setting the default Java character encoding
...rd Grech points out, in a special case like this, the environment variable JAVA_TOOL_OPTIONS can be used to specify this property, but it's normally done like this:
java -Dfile.encoding=UTF-8 … com.x.Main
Charset.defaultCharset() will reflect changes to the file.encoding property, but most of t...
What is MOJO in Maven?
...plugin-developers/index.html:
What is a Mojo? A mojo is a Maven plain Old Java Object. Each mojo is an executable goal in Maven, and a plugin is a distribution of one or more related mojos.
In short, a mojo is a maven goal, to extend functionality not already found in maven.
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