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Executing JavaScript without a browser?
I am looking into Javascript programming without a browser. I want to run scripts from the Linux or Mac OS X command line, much like we run any other scripting language (ruby, php, perl, python...)
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Android: java.lang.SecurityException: Permission Denial: start Intent
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The java.lang.SecurityException you are seeing is because you may enter two entries pointing to the same activity. Remove the second one and you should be good to go.
More Explanation
You may be declared the activity 2 times in...
java.net.ConnectException: Connection refused
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Just to make the point clear - "Java core is just fine". Only problem is we overlook issues.. (server state, ipaddress, port, internet connectivity - being on the same router is must for local IP's and more)
– Vinay Bhargav
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How to get the process ID to kill a nohup process?
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Suppose you are executing a java program with nohup you can get java process id by
`ps aux | grep java`
output
xxxxx 9643 0.0 0.0 14232 968 pts/2
then you can kill the process by typing
sudo kill 9643
or lets say that you need to ...
Retrieving a random item from ArrayList [duplicate]
I'm learning Java and I'm having a problem with ArrayList and Random .
12 Answers
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Unable to execute dex: GC overhead limit exceeded in Eclipse
....eclipse.platform
--launcher.defaultAction
openFile
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms512m
-Xmx1024m
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How to change the value of ${user} variable used in Eclipse templates
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It seems that your best bet is to redefine the java user.name variable either at your command line, or using the eclipse.ini file in your eclipse install root directory.
This seems to work fine for me:
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256M
-vmargs...
Is the ternary operator faster than an “if” condition in Java [duplicate]
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Also, the ternary operator enables a form of "optional" parameter. Java does not allow optional parameters in method signatures but the ternary operator enables you to easily inline a default choice when null is supplied for a parameter value.
For example:
public void myMethod(int par1, St...
How to properly stop the Thread in Java?
I need a solution to properly stop the thread in Java.
9 Answers
9
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How do I get the size of a java.sql.ResultSet?
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if(rs.last()){
rowCount = rs.getRow();
rs.beforeFirst();
}
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java.sql.SQLException: Invalid operation for forward only resultset
it's due to by default it is ResultSet.TYPE_FORWARD_ONLY, which means you can only use rs.next()
the solution is:
stmt=conn.createStatement(ResultSet.TYP...