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Since 1998, DevX has helped people start businesses, build websites, and provide enterprise technology to people globally. Interviewing the likes of Microsoft’s co-founder, Steve Ballmer, the publication brings comprehensive, reliable, and accessible insights to the Internet.
‘ A Replace routine that works through all the items of the input array” Example:’ Dim arr As Integer() = {3, 7, 8, 2, 7, 0, 9, 7}’ ArrayReplace(arr, 7,
Geneva, 6 October 2003:?Ecma International today announced the creation of a new task group (TG5) in the organizations programming language technical committee (TC39) to oversee development of a standard set
n this book, five years in the making, the author encapsulates three decades of unwritten, hard-won software engineering wisdom. Using examples from leading open-source projects, he shows UNIX and Linux
nlike other Wi-Fisecurity books, which primarily focus on parameter setting or configuring acomputer, this book describes new approaches to wireless security enabled bythe recent development of new core technologies for
harePoint allows information workers to create powerful personalized interfaces by simply dragging and dropping pre-defined Web Part Components. Web Parts are components that enable non programmers to gather information they
‘ve often heard it said that database management systems are archaic technology and that XML and object oriented databases are the wave of the future. I’m no curmudgeon; I like
typedef declaration, or a typedef for short, creates a new name for an existing type. As such, it is often used in writing more aesthetic and readable code. Aesthetics not
How many times do you find yourself writing code like this to display multiple lines of text using the MessageBox object, or in a TextBox? Imports System.IODim i As IntegerDim
eadlocking can be a difficult problem in a multi-user SQL Server application. Deadlocks are caused when transactions mutually block each other, and each is waiting for the other to finish.
By the time you read this issue, Visual Studio .NET will have been on the market for almost a year and a half. For some of us it seems longer
aving a custom control display properly is a challenge in itself?and getting your custom control to behave the way you want it to is only half the work. Once you
eveloping applications for the Palm OS may seem like a daunting task to a VB developer. The traditional Palm SDK requires at least moderate knowledge of the C programming language
icrosoft’s policy for supporting versions of their software has historically been current version minus 2. That policy was supposed to be relaxed and extended when Microsoft released the .NET Framework
he .NET class Thread defined in the System.Threading namespace represents a managed thread. The Thread class offers raw control over the underlying operating system thread. However, with power comes liability,
n the Fall of 2002, Microsoft introduced Tablet PCs based on the popular Windows XP operating system. By default, this new platform includes applications with special Tablet PC features enabled,
SP.NET is a terrific platform for Web applications. That does not mean that tricky coding is always one or two clicks away within a dockable and resizable Visual Studio .NET
This ActiveX control is an extended version of the VB’s InputBox function. You can center the input box on your form or open it anywhere you want. It is based
‘ Set a property of multiple controls/objects in a single step,’ and return True if successful’ Note: requires the SetProperty function” Example: SetPropertyEx(“Text”, “OK!!!”, TextBox1, Button1, Button2)Function SetPropertyEx(ByVal propertyName As
‘ Return a random item from a mono/bi/tri-dimensional array or collection’ ‘ Example:’ Dim arr1 As String() = {“this is string 0”, “this is string 1”,’ ‘ “this is string
Shared Function _ SendMessage(ByVal hWnd As Integer, ByVal wMsg As Integer, _ ByVal wParam As Integer, ByVal lParam As Integer) As IntegerEnd Function’ Determine the current line in a multiline
‘ Return True if all the controls in the input array have the same value for ‘ the specified property’ Note: requires the GetField function” Example:’ Debug.WriteLine(HaveSameValue(“Text”, TextBox1, Button1, Button2))’
‘ Find all the controls with the specified Tag value’ Example:’ Dim ctrls() As Control = GetControlsByTag(“OK”, Me)’ Dim ctrl As Control’ For Each ctrl In ctrls’ Debug.WriteLine(ctrl.Name)’ NextFunction GetControlsByTag(ByVal
‘ Enable the key-skipping mechanism for the input TextBox and for the input ‘ chars’ Example: don’t process the ‘A’, ‘b’ and ‘0’ chars’ EnableTextBoxCharSkip(TextBox1, “A”c, “b”c, “0”c)Sub EnableTextBoxCharSkip(ByVal tb
When using XMLHttpRequest object, there is a way to post data in the same way that an HTML Form is posted. All you need to do is add an HTTP
The following stored procedure will restore the database. This is helpful when you need to restore the database from other applications: CREATE PROCEDURE [dbo].[sp_db_restore]@DBName varchar(60),@BackName varchar(120),@DataName varchar(60),@DataFileName varchar(120),@LogName varchar(60),@LogFileName varchar(120)
The way we have constructors for user defined data types, we also have constructors for built in data types like chat, int, float and so on. Here is a program
very once in a while there comes around a tool so useful it makes you wonder why nobody ever did it before, or why it hasn’t been a part of
The following demonstrates how to manipulate complex numbers: class Complex{ double real; double imag; Complex() { } Complex(double real,double imag) { this.real=real; this.imag=imag; } void addComplexNos(Complex comp1,Complex comp2) { this.real=comp1.real+comp2.real;
Debugging stored procedures can be a headache, but heres an easier way to trace a stored procedure’s execution: Use the PRINT statement. PRINT lets you output and analyze variable values,
his first installment of a two-part series on Microsoft Passport in ASP.NET applications discusses Passport’s basic authentication mechanism and demonstrates the use of related .NET classes. It describes the design
