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Is there a way to do repetitive tasks at intervals?
...? I'm thinking of something like Timer.schedule(task, delay, period) in Java. I know I can do this with a goroutine and Time.sleep() , but I'd like something that easily stopped.
...
Common elements in two lists
...reinvent the wheel? Use Commons Collections:
CollectionUtils.intersection(java.util.Collection a, java.util.Collection b)
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Is there an ExecutorService that uses the current thread?
...ou) implementation that only uses the current thread. Stealing this from "Java Concurrency in Practice" (essential reading).
public class CurrentThreadExecutor implements Executor {
public void execute(Runnable r) {
r.run();
}
}
ExecutorService is a more elaborate interface, but ...
What in the world are Spring beans?
...nfiguration instead of having to 'bake in' the scope
of an object at the Java class level. Beans can be defined to be
deployed in one of a number of scopes
*IoC: Inversion of Control
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How to programmatically close a JFrame
...you want Alt-F4 or X to quit the app or just close the active window?
The Java Swing Tutorial on Window Listeners may help clarify things for you.
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How to perform mouseover function in Selenium WebDriver using Java?
...igger hovering using the following code with Selenium 2 Webdriver:
String javaScript = "var evObj = document.createEvent('MouseEvents');" +
"evObj.initMouseEvent(\"mouseover\",true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);" +
"argum...
Is there a fixed sized queue which removes excessive elements?
...
There is no existing implementation in the Java Language and Runtime. All Queues extend AbstractQueue, and its doc clearly states that adding an element to a full queue always ends with an exception. It would be best ( and quite simple ) to wrap a Queue into a class o...
Getting java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory exception
i am executing simple Dependency Injection program of spring & getting this exception.
I have already included common-logging1.1.1.jar and spring.jar file. Could you please help to out?
...
How can I convert an image into a Base64 string?
...on Android, here's a helper copied from the React Native codebase:
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import android.util.Base64;
import androi...
Fade In Fade Out Android Animation in Java
... to let the native C++ code in Android do all this instead of calling in a Java loop.
– RoundSparrow hilltx
Sep 30 '14 at 14:04
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