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Test if a string contains any of the strings from an array
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EDIT: Here is an update using the Java 8 Streaming API. So much cleaner. Can still be combined with regular expressions too.
public static boolean stringContainsItemFromList(String inputStr, String[] items) {
return Arrays.stream(items).anyMatch(inputStr:...
Why use a prime number in hashCode?
...e number of buckets is unlikely to be divisible by it (and in fact, modern java HashMap implementations keep the number of buckets to a power of 2).
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Migrating from JSF 1.2 to JSF 2.0
...ces-config.xml to comply JSF 2.0 spec.
<faces-config
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
version="2.0">
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Clojure 1.2.1/1.3/1.4 'proxy generated in Grails 2.0.0 runtime fails. 1.2.0 is fine
... for ClassCastException: clojure.lang.PersistentArrayMap cannot be cast to java.lang.Class issue
The problem is:
that the compiler injects an incorrect cast to
clojure.lang.PersistentHashMap. In this case it should probably be
cast to a clojure.lang.Associative, the highest common interface...
how to view the contents of a .pem certificate
I am using Java keytool . I have exported a self-signed .pem certificate from my keystore. Is there a command to view the certificate details directly from the .pem file (not of the certificate in the keystore)?
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Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?
...it has reached a breakpoint, but it is not the case, in fact it stops on a Java source file that is ThreadPoolExecutor . There is no stack trace on the console, it just stops. Then if I click on resume it goes on and the app works perfectly. This is what shows in the debugger window:
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Refresh Fragment at reload
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This gives following error - java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=2, result=3, data=null} to activity {xont.virtusel.v4.controller/xont.virtusel.v4.controller.sale.InvocieBrandActivity}: java.lang.IllegalStat...
Java: difference between strong/soft/weak/phantom reference
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Java provides two different types/classes of Reference Objects: strong and weak. Weak Reference Objects can be further divided into soft and phantom.
Strong
Weak
soft
phantom
Let's go point by point.
Strong Reference...
Is an array an object in java
In java we can declare an array like
11 Answers
11
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Android Fragment onClick button Method
...s PageListActivity extends ButtonHandlingActivity
ButtonHandlingActivity.java:
public class ButtonHandlingActivity extends Activity {
public void onButtonSomething(View v) {
OnClickFragments.invokeFragmentButtonHandlerNoExc(v);
//or, if you want to handle exceptions:
// try {
//...