344 WebSphere Studio Application Developer Version 5 Programming GuideOne thing that differs, however, is the response you get if you do not enter the requested data. For example, if you select to transfer money between two accounts, but you do not enter either the amount or the destination account[r]
selected URL from the database.◆Finally, it shows a status message that reflects the status of the databasedelete operation.displayAddURLMenu()This method displays the add URL interface.addURL()This method adds a URL in the database. It works as follows:◆If the req[r]
in the database_name using the link_identifier . The resulting list can be examined using mysql_field_flags(), mysql_field_len(), mysql_field_name(), and mysql_field_type(). The return value is a positive number representing the result identifier or FALSE if an error occu[r]
227Checking and Filtering Input DataFigure 10.2 The results of searching the database for books about Java arepresented in a Web page using the results.php script.The Basic Steps in Querying a Database fromthe WebIn any script used to access a data[r]
1. Basic PHP Background and History Advantages of PHP 4 Installation Operators and Mathematical Functions Functions, Classes, and Objects 2. Generating HTML Generating Dynamic Content Working with the Filesystem HTTP Authentication Working with Email Calendar a[r]
CHALLENGES1. Design a database. Start with something simple like a phone list.2. Create your database in SQL.3. Write a batch program to create and populate your database.4. Use phpMyAdmin to manipulate your database and view its results in other form[r]
Section 1 – Introduction Tutorial – XML Programming in Java2Section 1 – IntroductionAbout this tutorialOur previous tutorial discussed the basics of XMLand demonstrated its potential to revolutionize theWeb. In this tutorial, we’ll discuss how to use anXML parser to:• Process an XML do[r]
525Implementing the Online CatalogWe start with session_start() as usual, and then convert the category ID we havebeen passed into a category name using the get_category_name() function as follows:$name = get_category_name($catid);This function looks up the category name in the data[r]
of the XML indexes we build over the XML infoset but we want to have finer granularity than text nodes since the VALUE index does not help us locate individual words efficiently. In order to achieve this we can extend the full text inverted word index with information from the i[r]
C H A P T E R 8 ■ ■ ■ 243 SQL Azure At the end of July 2009 Microsoft announced SQL Azure community technology preview (CTP) and aimed to go live in November 2009 for SQL Azure and to phase out SQL Data Services (SDS). SQL Azure and SDS are both cloud-based services but are built using[r]
Section 1 – Introduction Tutorial – XML Programming in Java2Section 1 – IntroductionAbout this tutorialOur previous tutorial discussed the basics of XMLand demonstrated its potential to revolutionize theWeb. In this tutorial, we’ll discuss how to use anXML parser to:• Process an XML do[r]
jane is pretty common and could log in from anywhere—and she might not be thejane you think she is. Avoid using wildcards in hostnames for similar reasons.You can further increase security by using IPs rather than domain names in yourhost table.This avoids problems with errors o[r]
Using Network and Protocol FunctionsCHAPTER 1717USING NETWORKANDPROTOCOLFUNCTIONS38522 7842 CH17 3/6/01 3:39 PM Page 385Avoiding TimeoutsOne problem you might face when FTPing files is exceeding the maximum execution time.You will know whether this happens because PHP will give[r]
ElseIf dtUsers.Rows(0).Item("Password") = strPassword Then TestUserPassword = True Else TestUserPassword = False End If End Function Note If you have a problem with sharing rights on the database, you might want to include "Mode=Share Deny None;" in your connection string. 8. Pre[r]
Updating a Database Using a DataSet In the exercises so far in this chapter, you have seen how to fetch data from a database. Now it's time to show you how to update data. First, however, we need to consider some potential problems and how using
505Implementing Bookmark Storage and Retrieval// get the bookmarks this user has savedif ($url_array = get_user_urls($valid_user));display_user_urls($url_array);display_user_menu(); do_html_footer();?>We begin this script by performing the usual validations.When we know that the userhas selec[r]
not built by adding layer upon layer. It is built from the user perspectiveand it has been constantly optimized inside in order to become faster andleaner, while always keeping backward compatibility. I am happy to say thattoday web2py is one of the fastest web frameworks and also one of thet[r]