his book explores the full spectrum of wireless networks including Bluetooth, Wi-Fi, and 3G. You’ll also find easy-to-understand guidelines and pointers on how to implement a mobile and wireless application
Use Bitwise Operators in T-SQL to do AND/OR/XOR (&/|/^) between two or more bit/integer variables. You can use z = x and y in VB where x,y,z is Boolean, in
Here’s the syntax for the stored procedure: CREATE PROCEDURE [dbo].[RenameColumn] @tblname as varchar(50), @oldcolnameas varchar(50), @newcolname as varchar(50)ASdeclare @tblColname varchar(100)set @tblColname = @tblname +’.’ + @oldcolnameBEGIN TRANSACTIONSET QUOTED_IDENTIFIER ONSET TRANSACTION
Suppose you have a String containing comma-separated substrings. In order to access the substrings individually, you’d normally rely on a StringTokenizer. And if you wanted to put the substrings in
he authors show you how to design complex software to get the best from the UNIX operating system. Using short code snippets to illustrate how to use system calls, they
The basic JTable rendering mechanism supports a single renderer for all cells in a column. The Column Renderer may be set in the TableColumn class. If the TableColumn Renderer is
Brackets are well balanced if each ‘(‘ has its ‘)’. The argument str represents the array of characters which contains the expression. The following function returns 0 if the brackets
In some cases, it is possible to call a class member function without creating the class object. In the following example, the program will print “hello world” although class A
If you need to output to the screen or print a long text string that has no spaces, the text string will not wrap to the preset dimensions of a
This code stops the annoying flicker often seen when you pack an object with data. Test this code with the controls that bother you most: Private Declare Function SendMessage Lib
If you put many TRACE’s, in your code, it might be very convenient to jump to each one of them by double clicking a text line in the Debug window.
These permissions are required for security reasons USE pubsGOCREATE PROCEDURE GeneralSelect @TableName SYSNAMEASEXEC (‘SELECT * FROM ‘ + @TableName)GO You probably expect that your stored procedure will make a call
When you write a new version of an API, you want to deprecate the old API. If you deprecate old API’s, the compiler will tell you wherever that deprecated API
here are thousands of ways of applying speech recognition technology to business applications. If you’re not already using some form of speech recognition in your organization, you’ve probably thought of
ack in the early days of the browser wars, Microsoft created a huge incentive for existing Visual Basic developers to transition easily into building Web applications by creating a cut-down,
elare Technologies’ ATCT (Asynchronous Transfer of Control Threading) is a versatile new programming library that implements a “separation of concerns” approach?one of the key precepts of aspect-oriented programming?to enable programmers
This registry file adds the following entries to the Windows Explorer’s context menus, that will help you speed your development and test cycle:1) .idl files : Build : run midl.exe
‘ This macro routine makes VS.NET switch to the previously selected code editor ‘ / designer window, if it is still open. It is equal to opening the Windows ‘
‘ Creates a IIS virtual directory with the specified name,’ and that points to the specified physical path’ Note: requires a reference to the System.DirectoryServices.dll assembly’ Note: exception handling (for
‘ Resets the value for the input array of controls, and thier child controls’ Example:’ – reset all the controls on the form: ResetControls(Me)’ – reset specific controls: ResetControls(TextBox1, CheckBox1,
‘ Removes the IIS virtual directory with the specified name’ Note: requires a reference to the System.DirectoryServices.dll assembly’ Note: exception handling (for example to catch an invalid virtual directory ‘
‘ Returns an array of controls of the specified type,’ found within the specified parent control (or the form itself).’ Note: the search is optionally done recursively, by checking also
he Eclipse Workbench, at the most fundamental level, is merely a platform for software development tools and provides little functionality on its own. With the appropriate plug-in components, however, it’s
everal years and employers ago, I worked for a school of information technology in Australia. At one point, administrators, frustrated by a confusing and distributed collection of tools for testing
isual FoxPro 8.0 introduces a new error handling mechanism known as “Structured Error Handling.” This mechanism uses Try/Catch blocks to wrap sections of source code and attach the appropriate error
isual FoxPro 8 offers full support for themes and the XP style look. Unfortunately the Windows Common Control OCX that ships with VFP 8 doesn’t support this same look. This
ntil recently, Visual FoxPro developers wanting to use collections often created their own classes that were nothing more than fancy wrappers for arrays. However, in addition to being a lot
isual FoxPro 8.0 is fully compatible with previous versions of Visual FoxPro and includes everything needed to write, build, and test great data-centric applications. Product highlights in Visual FoxPro 8.0
isual FoxPro developers have been using an event-based methodology for a very long time, but event handling in VFP 8 opens a new world to developers who need to “hook”
he new XMLAdapter class in VFP 8 greatly enhances your ability to work with XML data sources, including hierarchical XML documents, such as .NET DataSets. Cathi explains how this and