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How to calculate “time ago” in Java?
...licated logic and just delete the last delimiter when you're done.
import java.util.concurrent.TimeUnit;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
public class TimeUtils {
/**
* Converts time to a human readable format within the specified range
*
* @param durat...
How to create a Custom Dialog box in android?
...
98
Another easy way to do this.
step 1) create a layout with proper id's.
step 2) use the follow...
When should we implement Serializable interface?
...riablizble interface to all of domain models...
– theJava
Dec 28 '10 at 19:39
8
@theJava It's not...
Download attachments using Java Mail
...
Some time saver for the code where you save the attachment file :
with javax mail version 1.4 and after , you can say
// SECURITY LEAK - do not do this! Do not trust the 'getFileName' input. Imagine it is: "../etc/passwd", for example.
// bodyPart.saveFile("/tmp/" + bodyPart.getFileName());
i...
Why is “int i = 2147483647 + 1;” OK, but “byte b = 127 + 1;” is not compilable?
...
Actually, today I read some of Java puzzlers , including a puzzle just about that... See here: javapuzzlers.com/java-puzzlers-sampler.pdf - puzzle 3
– MByD
Jul 31 '11 at 13:47
...
Is Ruby pass by reference or by value?
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98
@JörgWMittag: Yeah, but the OP's confusion is actually not pass-by-value or pass-by-reference in the strict CS sense of the words. What he...
How to Copy Text to Clip Board in Android?
...
Yesterday I made this class. Take it, it's for all API Levels
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import android.annotation.SuppressLint;
import android.content.ClipData;
import android.content.Cli...
HTTPURLConnection Doesn't Follow Redirect from HTTP to HTTPS
I can't understand why Java's HttpURLConnection does not follow an HTTP redirect from an HTTP to an HTTPS URL. I use the following code to get the page at https://httpstat.us/ :
...
How to initialize log4j properly?
...(Look for the "Default Initialization Procedure" section).
For example:
java -Dlog4j.configuration=customName ....
Will cause log4j to look for a file called customName on the classpath.
If you are having problems I find it helpful to turn on the log4j.debug:
-Dlog4j.debug
It will print to ...
How to synchronize a static variable among threads running different instances of a class in Java?
...se it's a read / modify / write sequence. As noted in a different answer, java.util.concurrent.atomic.AtomicInteger is likely the right choice here.
– fadden
Apr 17 '13 at 23:35
4...