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Perl I Didn't Know You Could Do That phần 1

Bạn có thể làm một kiểm tra đơn giản trên một kết nối ổ đĩa: So với một trong hai trung, dây màu vàng là +12 V, trong khi một màu đỏ nên được 5 V. Bạn phải có một tải trọng như bo mạch chủ hoặc một đĩa kết nối với các nguồn cung cấp năng lượng để làm những phép đo với việc cung cấp năng lượng kết nối với bo mạch chủ hoặc một | SYBEX Sample Chapter Perl I Didn t Know You Could Do That. Martin C. Brown Part 3 CGI Tricks ISBN 0-7821-2862-9 The author and publisher have made their best efforts to prepare this book and the content is based upon final release software whenever possible. Portions of the manuscript may be based upon pre-release versions supplied by software manufacturer s . The author and the publisher make no representation or warranties of any kind with regard to the completeness or accuracy of the contents herein and accept no liability of any kind including but not limited to performance merchantability fitness for any particular purpose or any losses or damages of any kind caused or alleged to be caused directly or indirectly from this book. Copyright 2000 SYBEX Inc. 1151 Marina Village Parkway Alameda CA 94501. World rights reserved. No part of this publication may be stored in a retrieval system transmitted or reproduced in any way including but not limited to photocopy photograph magnetic or other record without the prior agreement and written permission of the publisher. This sample chapter may contain images text trademarks logos and or other material owned by third parties. All rights reserved. Such material may not be copied distributed transmitted or stored without the express prior written consent of the owner. CGI Tricks CGI Tricks Did you know that Perl is one of the most commonly used languages for Web development The reason is quite simple it s superb at processing the sort of text information that comes from Web browsers. Perl s also great at talking to databases too. So not only can it get information from the browser but it can also search format and display it back with ease. And you don t have to compile between each revision 16 Using the CGI Module to Write HTML CGI Built-in www.perl.com Most people are aware of the CGI module as a way of parsing HTML form information and making it available within Perl either through an object interface or a simpler .