#!/usr/bin/perl
use Tk;
sub Exit {
exit(0);
}
sub showHelp {
$tl = $root->Toplevel;
$tl->title("Help");
$tl->Label(-text => '(c) tswr')->pack();
}
Source
<html>
<head>
<title>Snippet for "Hamming code"</title>
<style>
body { padding: 5px; background-color: lightgoldenrodyellow }
</style>
<script type="text/javascript">
function copy() {
var input = document.getElementById('input');
var output = document.getElementById('output');
output.value = input.value;
}
</script>
</head>
<body>
<h4>Snippet for "Hamming code"</h4>
<input type='text' id='input'></input>
<input type='button' onclick='copy()' value='copy'></input><br>
<input type='text' id='output'></input>
</body>
</html>
Demo
alarm
use Socket;
eval {
local $SIG{ALRM} = sub { die "time is out" };
alarm 3;
socket SOCK, PF_INET, SOCK_STREAM, getprotobyname('tcp');
connect SOCK, sockaddr_in(81, inet_aton("microsoft.com"))
or die "connect failed";
alarm 0;
send SOCK, "GET / HTTP/1.0\n\n", 0;
print while <SOCK>;
shutdown SOCK, 2;
};
print "$@\n" if $@;
die
$warnings = 0;
$SIG{__WARN__} = sub { print @_ if $warnings };
$SIG{__DIE__} = sub { print "Goodbye, my darling!\n" };
warn "i'm only warning...";
die "i'm dying...";
var message = "ananas";
var hash = new Array();
for (var i = 0; i < message.length; i++) {
var char = message.charAt(i);
if (typeof(hash[char]) == 'undefined')
hash[char] = 1;
else
hash[char]++;
}
for (var key in hash) {
WSH.Echo(key + " : " + hash[key]);
}
function readfile(filename) {
var ForReading = 1;
var fso, f, s = "";
fso = new ActiveXObject("Scripting.FileSystemObject");
f = fso.OpenTextFile(filename, ForReading, false);
try {
s = f.ReadAll();
} catch(e) {
// ...
}
return s;
}
var s = readfile("1.txt");
WScript.Echo(s);
var a = s.split("\r\n");
WScript.Echo(":" + a[0] + ":");