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Java equivalent to C# extension methods
...ared to extra static methods from some other class. Almost all more modern languages allow for some kind existing class extension: C#, php, objective-c, javascript. Java surely shows its age here. Imagine you want to write a JSONObject to disk. Do you call jsonobj.writeToDisk() or someunrelatedcla...
Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...
Example:
assertThat(5 , allOf(greaterThan(1),lessThan(3)));
// java.lang.AssertionError:
// Expected: (a value greater than <1> and a value less than <3>)
// got: <5>
assertTrue("Number not between 1 and 3!", 1 < 5 && 5 < 3);
// java.lang.AssertionError...
Decode Base64 data in Java
... Don't use it, because you will get problems in jdk 9: java.lang.NoClassDefFoundError(javax/xml/bind/DatatypeConverter)
– rupashka
Aug 10 '17 at 14:01
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Test if a string contains any of the strings from an array
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import org.apache.commons.lang.StringUtils;
String Utils
Use:
StringUtils.indexOfAny(inputString, new String[]{item1, item2, item3})
It will return the index of the string found or -1 if none is found.
...
Using Gradle to build a jar with dependencies
...y Main class:
package com.curso.online.gradle;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
public class Main {
public static void main(String[] args) {
Logger logger = Logger.getLogger(Main.class);
logger.debug("Starting demo");
Strin...
What is the difference between iterator and iterable and how to use them?
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Is it not java.lang.Iterable ?
– ulab
Aug 1 '16 at 9:18
It...
How to embed a SWF file in an HTML page?
...1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>SWFObject dynamic embed - step 3</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<script type="text/javascr...
How to test an SQL Update statement before running it?
...EN
ROLLBACK;
ELSE
COMMIT;
END IF;
But I would suggest to use the language wrappers available in your favorite programming language.
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...ct long com.google.appinventor.shared.rpc.project.ProjectService.save(java.lang.String,java.util.List) throws com.google.appinventor.shared.rpc.InvalidSessionException,com.google.appinventor.shared.rpc.BlocksTruncatedException' threw an unexpected exception: com.google.apphosting.api.ApiProxy$Reques...
When should a class be Comparable and/or Comparator?
...ring itself with another object. The class itself must implements the java.lang.Comparable interface in order to be able to compare its instances.
Comparator
A comparator object is capable of comparing two different objects. The class is not comparing its instances, but some other class’s instan...