Beginning Perl Third Edition PHẦN 1 potx
Beginning Perl Third Edition PHẦN 1 potx
... an Array 95
Summary 11 4
Exercises 11 4
■Chapter 5: Hashes 11 5
Creating a Hash 11 5
Working with Hash Values 11 7
Hash in List Context 11 9
CHAPTER 1 ■ FIRST STEPS IN PERL
5
stands for ... 15 0
Named Parameters 15 1
Summary 15 2
Exercises 15 2
■Chapter 7: Regular Expressions 15 3
What Are They? 15 3
Patterns 15 4
Working with Regexes 17 0
Substitution...
Beginning Perl Third Edition PHẦN 5 potx
... $passwd2\n";
$ perl join.pl
Login name : kake
User ID : 10 018
Home directory : /home/kake
Original password : kake:x :10 018 :10 020::/home/kake:/bin/bash
New password : kake#x #10 018 #10 020##/home/kake#/bin/bash ...
kake:x :10 018 :10 020::/home/kake:/bin/bash
To get at each field, we can split the line on its colons:
#!/usr/bin /perl
# split.pl
use warnings;...
Beginning JavaScript Third Edition phần 1 pdf
... Block”);
</script>
11
Chapter 1: Introduction to JavaScript and the Web
04_0 515 11 ch 01. qxp 4 /13 /07 6:20 PM Page 11
Figure 1- 4
Figure 1- 5
10
Chapter 1: Introduction to JavaScript and the Web
04_0 515 11 ch 01. qxp ... fol-
low certain rules.
24
Chapter 2: Data Types and Variables
05_0 515 11 ch02.qxp 4 /13 /07 6 :19 PM Page 24
01_ 0 515 11 ffirs.qxp 4 /13 /07 6 :19...
Beginning JavaScript Third Edition phần 9 potx
... available.”);
}
}
function checkEmail()
646
Chapter 16 : Ajax and Remote Scripting
19 _0 515 11 ch16.qxp 4 /13 /07 6:22 PM Page 646
19 _0 515 11 ch16.qxp 4 /13 /07 6:22 PM Page 656
When searching for a user ... server.
644
Chapter 16 : Ajax and Remote Scripting
19 _0 515 11 ch16.qxp 4 /13 /07 6:22 PM Page 644
{
document.real1.DoStop();
}
function file1_onblur()
{
fileName = document....
Beginning Perl Third Edition PHẦN 2 pdf
... "30 510 Yen is ", (30_ 510 /$yen), " dollars\n";
Save this, and run it through Perl. You should see something like this:
$ perl currency1.pl
49 518 Yen is 547.46268656 716 4 dollars ... to the number (“ 21. 42”
is converted to 21. 42).
• Leading whitespace is ignored (“ 12 ” is converted to 12 ).
• Trailing nonnumerics are discarded ( 1 2perl is converted to...
Beginning Perl Third Edition PHẦN 3 docx
... getting data from it:
@sales[4, 7, 9 11 ] = (68, 10 1, 11 4, 11 1, 11 7);
This sets new values for $sales[4], $sales[7], $sales[9], $sales [10 ], and $sales [11 ].
Finally, we can use something similar ... generates
the following output:
$ perl looplabel1.pl
1 ** 1 = 1
1 ** 1 = 1
2 ** 1 = 2
2 ** 2 = 4
3 ** 1 = 3
3 ** 2 = 9
4 ** 1 = 4
4 ** 2 = 16
5 ** 1...
Beginning Perl Third Edition PHẦN 4 pot
... SUBROUTINES/FUNCTIONS
14 0
#!/usr/bin /perl
# total2.pl
use warnings;
use strict;
my $total = total (11 1, 10 7, 10 5, 11 4, 69);
print "the total is: $total\n";
my $sum_of _10 0 = total (1 100); ... $element (@args) {
$total = $total + $element;
}
In the first example, @_ would contain (11 1, 10 7, 10 5, 11 4, 69), and we’d add each value to $total...
Beginning Perl Third Edition PHẦN 6 pps
...
my @array = (68, 10 1, 11 4, 11 1, 11 7);
my $ref = \@array;
${$ref}[0] = 10 0;
print "Array is now : @array\n";
$ perl modelem.pl
Array is now 10 0 10 1 11 4 11 1 11 7
$
And, again, ... anonymous data:
my $ref = [68, 10 1, 11 4, 11 1, 11 7];
${$ref}[0] = 10 0;
print "Array is now : @{$ref}\n";
C H A P T E R 9
■ ■ ■
207
String Pr...
Beginning Perl Third Edition PHẦN 7 pot
... (@INC contains: /etc /perl /usr/local/lib /perl/ 5 .10 .0
/usr/local/share /perl/ 5 .10 .0 /usr/lib /perl5 /usr/share /perl5 /usr/lib /perl/ 5 .10
/usr/share /perl/ 5 .10 /usr/local/lib/site _perl .) at ./cantload.pl ...
Log started: Fri Jul 2 11 :42 :12 2004
A basic message
Another debugging message
Log started: Fri Jul 2 11 :50: 41 2004
A basic message
Another debugging message...
Beginning Perl Third Edition PHẦN 8 pdf
... Graham Barr. Thanks, Graham!
CHAPTER 13 ■ OBJECT-ORIENTED PERL
311
This produces our friendly demand:
$ perl utility1.pl
Galileo Galilei
9. 81 Pisa Apts.
4/5/2004
Dear Galileo, ... $_[0]->{address } = $_ [1] if defined $_ [1] ; $_[0]->{address } }
sub lastname { $_[0]->{lastname } = $_ [1] if defined $_ [1] ; $_[0]->{lastname } }
CHAPTER 13 ■ OBJECT-O...
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