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Do zombies exist … in .NET?
...nition, then yes, you can do that in .NET, as with other languages (C/C++, java).
However, I do not think this as a good reason not to write threaded, mission critical code in .NET. There may be other reasons to decide against .NET but writing off .NET just because you can have zombie threads someh...
How to create a new file together with missing parent directories?
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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
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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
...
I don't remember my android debug.keystore password
...your suggestion it gives me error; Enter keystore password: keytool error: java.lang.Exception: Alias <aliasname> does not exist java.lang.Exception: Alias <aliasname> does not exist at sun.security.tools.KeyTool.doPrintEntry(Unknown Source) at sun.security.tools.KeyTool....
RegEx backreferences in IntelliJ
...mation on regular expressions and their syntax, refer to documentation for java.util.regex Back references should have $n, rather than \n format.
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How to define @Value as optional
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If you are using Java 8, you can take advantage of its java.util.Optional class.
You just have to declare the variable following this way:
@Value("${myValue:#{null}}")
private Optional<String> value;
Then, you can check whether the ...