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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.
bout a year ago, I was looking for Java tools to develop expert systems in Java, particularly expert system shells for rule-based architectures. I stumbled upon the Java Expert System
arge scale applications should have a consistent look and feel, a consistent interface, and a menu structure that reflects the basic operations of the application. Typically, each form’s menu contains
As a SQL Server DBA, I realized that SQL Server has no function for Title Case, like the “initcap” function in Oracle. So I’ve made one that capitalizes the first
ature provides us with an infinite variety ofpatterns, from those found in living things: in the foliage of plants,for example, or in the structure of plants themselves, and inanimals?to those
ooking for a secure solution for hosting dynamic Web pages but don’t have much money to implement it? Use FreeBSD and its ports collection to install Apache-modSSL, MySQL, and PHP.
QL Server is a great RDMS application, but its installation and configuration options leave the seasoned SQL user crying out for more. Upon install, SQL Server 2000’s options are limited
asn’t it George Jetson who went to “work” each day and pushed a few buttons to generate all his deliverables without lifting a physical or mental finger? Ah, would that
f you’ve built a library of schemas, you might want to reuse them for new applications. If you already have a data model for an internal purchase order, as you
urchasing a software development product that different users will utilize in different ways is one of the trickiest tasks IT shops face. When selecting a tool such as a bug-tracking
‘ Evaluate the transposed matrix’ A transposed matrix is the array you get when you “rotate” a bi-dimensional ‘ array” Example’ Dim arr(,) As Double = {{0.0, 0.1, 0.2}, {1.0,
‘ Swap two elements in the input array” Example:’ Dim arr As Integer() = {3, 7, 8, 2, 0, 9}’ SwapArrayItems(arr, 1, 4)’ Dim o As Object’ For Each o
‘ The average of an array of any numeric type” Example:’ Dim arr As Integer() = {3, 7, 8, 2, 0, 9}’ MessageBox.Show(ArrayAvg(arr))Function ArrayAvg(ByVal arr As Array) As Double Return
‘ Filter the input array. It can work with string arrays or arrays of other ‘ type!’ The input array is modified by removing the elements that do not match
‘ Fill the input array with random values” Example:’ Dim arr(9) As Integer’ FillRandomArray(arr, 1, 11)’ Dim i As Integer’ For i = 0 To 9′ Debug.Write(arr(i) & ” “)’
‘ The sum of an array of any numeric type” Example:’ Dim arr As Integer() = {3, 7, 8, 2, 0, 9}’ MessageBox.Show(ArraySum(arr))Function ArraySum(ByVal arr As Array) As Double Return
‘ 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,
