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# see &quot;perldoc -f sort&quot; # sort numerically @sorted = sort {$a <=> $b} @data; # sort numerically and return greatest: $greatest = (sort {$a <=> $b} @data)[-1]; # or $greatest = (sort {$b <=> $a} @data)[0];

while (<>) { if (/^A/) { # print remebered lines of one of them contain 12345 foreach (@temp) { print; } if (grep /12345/, @temp); # clear temp @temp = (); } else { push @temp, $_; } }

Another - more perlish - way is: foreach (@aliasdata) { print TEMP $_->[1]; } This make no use of temporary variables.

Use perl's in-place edit (man perlrun): perl -pi '*.bak' -e 'BEGIN { print &quot;#####\n#\n# File name:\n# Author:\n#\n# Revision History:\n# --------\n######&quot;; }' fileA fileB fileC fileD

(This is off-topic here) You're producing invalid html because the value of the href attribute must be enclosed in quotation marks. Correct form: <a href=&quot;?qsymbol=DM&bid=120050&quot;>D-Mark</a> Consider using the HTML validation service provided by the W3C (http://www.w3c.org) to...

If you think of the name of the identifier in the original source, then I must dissapoint you. It is lost during compiling. Go and get a look at some Java Virtual Machine internals at sun's java site: http://java.sun.com/

Although there are cross compilers which produce windows executables I would not recommend that because they will not support all java features. I depends on the needs your program will address.

It merely all the same question: Accessing a EJB which may run in an external (non-local) Container. Generally you will have to lookup the bean via JNDI and a full url. For JBoss as an example EJB Container a full url would be &quot;jnp://otherserver/application/beanB&quot; You have two...

The class name ist java.util.Calender not java.util.calender Java classnames (and other identifiers) are case sensitive!

Declaring an array of a type does not create the actual instances in the array's &quot;slots&quot;. You have to create the instances by yourself: Class MyClass { ... } ... myClass[] = new myClass[3]; // Create the _array_ instance. myClass[0] = new myClass(); // Create the MyClass...

This depends on your model. If youre using DefaultListModel and you are putting Strings inside then customerList.getSelectedValue().toString() will work for you. If you have a custom model, say customerModel which has a method getCustomer(int id) you would use the following to extract the...

Jasper will create .java files in tomcat's work directory. Look for a .java file which is named similiar to your .jsp file. This generated java source will make finding errors much easier.

This is slightly off-topic here. Go to http://www.tek-tips.com/gthreadminder.cfm/lev2/4/lev3/32/pid/269 for the general java forum.

Perhaps Jetspeed (never used it). Look at http://jakarta.apache.org/

The quoting rules might differ from DB vendor to DB vendor. The best way is to use prepared statements: PreparedStatement ps = connection.prepareStatement(&quot;select * from table where ID = ?&quot;); ps.setInteger(1, 1000); ResultSet rs = ps.executeQuery(); The setXXXX methods of...

No it's not possible to directly return ResultSet to the client. The ResultSet object might fetch the data one row after the other from the db and therefor does not already &quot;contain&quot; all the data after you executed the query. The simplest solutions is the copy the result to a...

I assume your application server does not serve you with direct connections to your DB but from a connection pool. The actual connection you are working with may not support all JDBC features. Look for connection pooling in your application server's documentation or post additional information...

Try IDEA from ItelliJ (www.intellij.com). It niclely integrates with ant and junit. For EJB development I suggest XDoclet (xdoclet.sf.net) which integrates nicles with ant and therefor with idea. Try it for yourself, the provide a full featured evaluation version. IDEA really boosted my...

Although this definitly the wrong forum for this question, if found &quot;Programming SVR4&quot; from O'Reilly useful: http://www.oreilly.com/catalog/usp/

You need to sign the code of your applet and request an appropriate FilePermission at runtime. Have a look at: http://java.sun.com/docs/books/tutorial/security1.2/index.html