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Alternate FizzBuzz Questions [closed]
... the result of the expression ("a + b+c -d" would be -3).
These were for Java, and you could use the standard libraries so some of them can be extremely easy (like 6). But they work like FizzBuzz. If you have a clue about programming you should be able to do most pretty quickly. Even if you don't ...
Convert PDF to clean SVG? [closed]
...here are some good tools for trying it out (e.g. PDFReader will display as Java Graphics2D). You can intercept the graphics tool with an SVG tool like Batik (I do this and it gives good capture).
There is no simple way to convert all PDF to SVG - it depends on the strategy and tools used to create ...
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
1...
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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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 do I get the size of a java.sql.ResultSet?
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if(rs.last()){
rowCount = rs.getRow();
rs.beforeFirst();
}
:
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...