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What is the difference between Serialization and Marshaling?
..." in the Python standard library1, but the terms are not synonymous in the Java-related RFC 2713:
To "marshal" an object means to record its state and codebase(s) in such a way that when the marshalled object is "unmarshalled", a copy of the original object is obtained, possibly by automatically loa...
Trying to start a service on boot on Android
...tc., attributes: the Android defaults are correct)
In MyBroadcastReceiver.java:
package com.example;
public class MyBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Intent startServiceIntent = new Intent(context, MySer...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
... having to generate the multi-valued SQL command if my underlying library (Java JDBC - mysql-connector-java-5.1.30) is not actually committing until I tell it to.
– RTF
Mar 29 '15 at 15:02
...
How can I check if a method is static using reflection?
...ks depending on the immediate caller's class loader" (see section 6 of the Java secure coding guidelines).
Disclaimer: Not tested or even compiled.
Note Modifier should be used with care. Flags represented as ints are not type safe. A common mistake is to test a modifier flag on a type of reflecti...
How to create a new file together with missing parent directories?
...
As of java7, you can also use NIO2 API:
void createFile() throws IOException {
Path fp = Paths.get("dir1/dir2/newfile.txt");
Files.createDirectories(fp.getParent());
Files.createFile(fp);
}
...
Proper use cases for Android UserManager.isUserAGoat()?
... this was "the" official use case, but the following produces a warning in Java (that can further produce compile errors if mixed with return statements, leading to unreachable code):
while (1 == 2) { // Note that "if" is treated differently
System.out.println("Unreachable code");
}
However t...
codestyle; put javadoc before or after annotation?
... it isn't the most vital of issues, but I just realised that I can put the javadoc comment block before or after the annotation. What would we want to adopt as a coding standard?
...
Clicking the back button twice to exit an activity
...
In Java Activity:
boolean doubleBackToExitPressedOnce = false;
@Override
public void onBackPressed() {
if (doubleBackToExitPressedOnce) {
super.onBackPressed();
return;
}
this.doubleBackToExitPres...
How to set timer in android?
...er to clean up your tasks in onPause, saving state if necessary.
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Handler.Callback;
import android.view.View;
import an...
Asynchronous vs Multithreading - Is there a difference?
...the line 4 to execute without waiting for completion of the I/O operation.[Java pgm perspective]
– spiderman
Jul 4 '14 at 18:48
...