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To prevent a memory leak, the JDBC Driver has been forcibly unregistered
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It works! javabeat.net/servletcontextlistener-example may help to implement servlet context listener
– Vadim Zin4uk
Dec 4 '13 at 12:44
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Spring AOP vs AspectJ
...ific tasks such as security, logging, transactions, etc. as it uses custom Java5 annotations as a framework. However, AspectJ seems to be more friendly design-patterns wise.
...
Password hint font in Android
...roid:inputType="textPassword" from your xml file and instead, in set it in java:
EditText password = (EditText) findViewById(R.id.password_text);
password.setTransformationMethod(new PasswordTransformationMethod());
With this approach, the hint font looks good but as you're typing in that edit fi...
Fetch first element which matches criteria
...
@iammrmehul No. findFirst() returns an Optional object (JavaDoc), which might be empty. In this case the call to get() will throw the NPE. To prevent that from happening, use orElse() instead of get() and provide a fallback object (like orElse(new Station("dummy", -1)), or store t...
Can git ignore a specific line?
...-commit hook looks for a changed in this line in a specific file buildVars.java. The hook script looked like this when I tested it on my machine.
#!/bin/sh
# this hook looks for lines with the text `var isPhoneGap = false;` in the file `buildVars.java` and it resets these lines to the previous sta...
When to use which design pattern? [closed]
...tructure and checklist beautifully in multiple languages including C++ and Java
wikipedia : Explains structure, UML diagram and working examples in multiple languages including C# and Java .
Check list and Rules of thumb in each sourcemakding design-pattern provides alram bell you are looking for...
Why was the switch statement designed to need a break?
...fall thru explicit by jumping to the next case using a goto.
It's too bad Java didn't take the opportunity to break from the C semantics.
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How to Define Callbacks in Android?
...ement callback method using interface.
Define the interface, NewInterface.java.
package javaapplication1;
public interface NewInterface {
void callback();
}
Create a new class, NewClass.java. It will call the callback method in main class.
package javaapplication1;
public class NewClass {...
Download a file with Android, and showing the progress in a ProgressDialog
... update a progress bar).
Imports:
import android.os.PowerManager;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.FileOutputStream;
import java.net.HttpURLConnection;
This is an example code:
// declare the dialog as a member field of your activity
ProgressDialog mProgre...
What are namespaces?
...echniques like namespaces in other programming languages (like packages in Java). They are used to be able to have mutliple classes with the same name wihtin a project.
From the php documentation (http://www.php.net/manual/en/language.namespaces.rationale.php):
What are namespaces? In the broad...