bile-acids
发表于 2025-3-21 18:48:46
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BUDGE
发表于 2025-3-21 22:27:21
ut. Next, the book moves on to the advanced topics of object-oriented programming, modules, web programming, and database administration with Perl’s powerful database interface module, DBI. The examples and code provided offer you all of the information you need to start writing your ow978-1-4302-2793-9978-1-4302-2794-6
阴郁
发表于 2025-3-22 04:11:08
Scalars,to tell us something we already know. Even more rarely do we write programs to do nothing at all interesting with our data. So, if we’re going to write programs that do more than say hello to us, we’re going to need to know how to perform computations—operations on our data.
尽责
发表于 2025-3-22 06:39:19
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nascent
发表于 2025-3-22 12:24:14
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Fermentation
发表于 2025-3-22 16:36:23
Files and Data,e can do is ask the user for input using 〈STDIN〉 and print data on the screen using print(). Pretty simple stuff, yes—but these two ideas actually form the basis of a great deal of the file handling you’ll do in Perl.
Texture
发表于 2025-3-22 18:03:05
References,e looked at hashes in Chapter 5, we found that hash values are scalars as well. As a result, in our exploration of Perl so far, we have not yet been able to create arrays of arrays (also known as .) or other, more complex data types.
Spirometry
发表于 2025-3-22 21:51:33
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UNT
发表于 2025-3-23 04:42:19
Perl and DBI,perating systems and databases. It allows you to connect to a wide variety of databases—Oracle, Sybase, Informix, MySQL, mSQL, Postgress, ODBC, and many others—and even to files with comma-separated values. Using this module you can access and administer databases from your Perl programs, combining
ICLE
发表于 2025-3-23 07:08:49
Yan-Bing Ho,Wun-She Yap,Kok-Chin Khorto tell us something we already know. Even more rarely do we write programs to do nothing at all interesting with our data. So, if we’re going to write programs that do more than say hello to us, we’re going to need to know how to perform computations—operations on our data.