Beginning Perl Third Edition PHẦN 9 ppt
Beginning Perl Third Edition PHẦN 9 ppt
... results using Perl and DBI.We’ll
look at the easiest and most common way, but you can read about all the various ways by typing
perldoc DBI
at the shell prompt.
CHAPTER 15 ■ PERL AND DBI ... what happens.
$ perl showinstruments1.pl
Enter name of musician and I will show you his/her instruments: Roger Waters
guitar
vocals
$
CHAPTER 15 ■ PERL AND DBI
3 79
# we hav...
Beginning JavaScript Third Edition phần 5 pptx
... that
shown in Figure 9- 3 in your web page, although the actual date will depend on the current date and
where you are in the world.
3 39
Chapter 9: Date, Time, and Timers
12_051511 ch 09. qxp 4/13/07 6:21 ... name=butCheckValid
onclick=”butCheckValid_onclick()”>
</form>
</body>
</html>
301
Chapter 8: String Manipulation
11_051511 ch08.qxp 4/13/07 6: 19 PM Page 301
11...
Beginning JavaScript Third Edition phần 7 ppt
... some
text in a
paragraph'
'My Heading'
499
Chapter 13: Dynamic HTML in Modern Browsers
16_051511 ch13.qxp 4/13/07 6:23 PM Page 499
Move the mouse pointer over the image, and it changes ... Transitional//EN”
“http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/ 199 9/xhtml” ><head>
</head>
<body>
<h1>My Hea...
Beginning JavaScript Third Edition phần 8 ppt
... version=”1.0” encoding=”utf-8”?>
<xsl:stylesheet version=”1.0”
xmlns:xsl=”http://www.w3.org/ 199 9/XSL/Transform”>
<xsl:template match=”/”>
<html>
<head>
<title>Review ... Transitional//EN”
“http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/ 199 9/xhtml”>
<head>
<title>Cross-Browser Toolbar</title...
Beginning JavaScript Third Edition phần 9 potx
... class to func-
tion properly.
function HttpRequest(sUrl, fpCallback)
{
this.request = this.createXmlHttpRequest();
//more code here
}
6 29
Chapter 16: Ajax and Remote Scripting
19_ 051511 ch16.qxp 4/13/07 ...
http://localhost/validate_form.htm, and you should see something
like Figure 16-5.
6 39
Chapter 16: Ajax and Remote Scripting
19_ 051511 ch16.qxp 4/13/07 6:22 PM Page 6 39
Figure 1...
Beginning Perl Third Edition PHẦN 1 potx
... accurate to a certain number of digits. For instance, the
number 15. 39 may in fact be stored in memory as 15.3 899 999 999 999 . This is accurate enough for most
scientists, so it will have to be ... 3 3 89
Chapter 4 390
Chapter 5 391
Chapter 6 393
Chapter 7 395
Chapter 8 396
Chapter 9 398
Chapter 10 399
Chapter 11 400
Chapter 13 404
Chapter 14 405
Chapter 15 406
■ Index 4...
Beginning Perl Third Edition PHẦN 2 pdf
... dollars\n";
Save this, and run it through Perl. You should see something like this:
$ perl currency1.pl
495 18 Yen is 547.462686567164 dollars
360 Yen is 3 .98 0 099 50248756 dollars
30510 Yen is 337.313432835821 ... and refine it.
#!/usr/bin /perl
# currency1.pl
use warnings;
use strict;
my $yen = 90 .45; # as of 13 November 20 09
print " 495 18 Yen is &qu...
Beginning Perl Third Edition PHẦN 3 docx
... wrong prefix, Perl will
complain with a warning.
#!/usr/bin /perl
# badprefix.pl
use warnings;
use strict;
my @array = (1, 3, 5, 7, 9) ;
print @array[1];
will print
$ perl badprefix.pl ... for letters as well:
('a' 'k')
CHAPTER 4 ■ LISTS AND ARRAYS
94
46 391 210
4 6 3 9 12 10
This adding of spaces between elements is what happens wh...
Beginning Perl Third Edition PHẦN 4 pot
... SUBROUTINES/FUNCTIONS
134
Now, we’re starting to look like a real utility:
$ perl hello2.pl -v
Beginning Perl& apos;s "Hello, world." version 2.0
Hello, world.
$
The first ...
#!/usr/bin /perl
# foreach6.pl
use warnings;
use strict;
my @a = qw(John Paul George Ringo);
print "[$_]\n" foreach @a;
Running this code produces the following:...
Beginning Perl Third Edition PHẦN 5 potx
... this command is
$ dir | more
We can write Perl programs that pipe into programs (our Perl program will write into the pipe) or
pipe from programs (our Perl program will read from the pipe).
Receiving ... do we have a capital “I” at the beginning of the string?
$ perl matchtest.pl
Enter some text to find: ^I
'^I' was not found.
$
We use ^ to mean beginning of th...