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#!/usr/local/bin/perl-w use strict; use diagnostics; # Program to open the password file, read it in, # print it, and close it again...

$file = '/etc/passwd'; # Name the file open(INFO, $file); # Open the file i made the bold statements . i just could not understand those statements. will you plese tell me in a simpler way ? what those statements wants to say ? please rovide an easy example. thanks for your time.

#!/usr/local/bin/perl @food = ("apples", "pears", "eels"); #$l=push(@food, "eggs", "lard"); #($a, $b) = @food; #$f ="@food"; #print $b; #($a, $b) = ($c, $d); print @food.""; output: 3 by which rule it prnts like this ? i know a rule which has "." at the append. the rule is $a = $b ...

#!/usr/local/bin/perl #@food = ("apples", "pears", "eels"); #$l=push(@food, "eggs", "lard"); #($a, $b) = @food; #$f = "@food"; #print $b; ($a, $b) = ($c, $d); print $a; it prints nothing . $c,$d has no value. then why they did not throws exception while attempting print null values

i want to learn perl.9 what compiler is needed to compile and run perl ? if i want to run and compile java proram i need jdk. so how do i compile and run perl in linux redhat

Hi, what is codebase in applet tag ? some applet use this attribute , some dont. what is this codebase ? can you please provide an example ? thank you

class ABC { public static void main(String args[]) { } } class DEF { private ABC abc; setMethod() { // i want to use abc here. How ? } getMethod() { // i want to use abc here. How ? } }

after compilation i have got classname$1.class // what is this ? $ symbol !! classname$2.class classname.class it this a matter of worry ?

is it possible to make web pages as similar as Yahoo.com in Dream Weaver ? how to do that ?

i will be interested to know more about hibernnate if you please clarify my following questions can i develope an web application with hibernate ? is it good to use hibernate for web developement rather than conventional JSP,servlets ? Does hibernate is replacing JSP,Servlets ? is it...

i want to download a software and want to install in /usr/local directory. 1.where do i save the downloaded software ? 2.from which directory i would run the rpm command for installation ?

How do i know my linux has JDK installed ?

while i am browsing the net i am keep getting this error message... though the connection is live. this is quite irritating. and after some time i also get a message "illegal operation" . How can i get rid off it ? MY OS in windows-98

in my JSP page i when i do any DB operation i start with setAutoCommit(false); try { //SQL Query here // commit(); }catch(Exception e) { // rollback() here if there is some exception } is this called transaction ?

my nero burning software is giving me error message when i click on it, though there is no problem in CD-writing. here is the error message captured and uploaded in the image. http://img384.imageshack.us/my.php?image=error2ml.jpg P.S :please, wait for sometime to load the image depending upon...

My thread class has a run method public void run() { Process p=Runtime.exec(runExternalProcess); p.waitFor(); } i want to kill the thread after 20 sec. how is that possible

public static void main(string args[]) { for(int k=0;k<2;k++) { WorkerThread wk=new WorkerThread(); wk.start(); Thread.sleep(500); // who will sleep ? main thread or wk ? who will sleep ? main thread or wk ? sleep public static void sleep(long millis)...

[Tue Aug 16 00:46:35 2005] [jk_lb_worker.c (357)]: lb: All tomcat instances failed, no more workers left. [Tue Aug 16 01:31:44 2005] [jk_ajp_common.c (783)]: ERROR: can't receive the response message from tomcat, network problems or tomcat is down (127.0.0.1:8081), err=-1 [Tue Aug 16 01:31:44...

to set the classpath you use this snippet <path id="build.classpath"> <fileset dir="${build.lib}" includes="**/*.jar"/> <fileset dir="${build.classes}" /> </path> <target....> <javac ....> <classpath refid="build.classpath" /> </java> </target> <target....>...

Down load the latest version of ant from http://ant.apache.org. All you need to set are ANT_HOME and JAVA_HOME, then add %ANT_HOME%/bin ${ANT_HOME}/bin into your path. Yes, use foward slash even in windows. Only place you cannot use foward slash is inside dos console window itself. This...