Menu
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.
Use the following code to scale an image into double its original size: import java.applet.*;import java.awt.*;import java.net.*;public class ScaleImage extends Applet{ Image img; public void init() { try { img
‘ Format a date as a DateSerial for Access’ Example: Debug.Print GetDBDate(date)Public Function GetDBDate(sDate As String) As String On Error GoTo ERROR_GetDBDate Dim sTmp As String If IsDate(sDate) = False
‘ Returns a string between 2 delimiters’ Parameters:’ sSearchIn: String to search’ sFrom: First keyword’ sUntil: Second keywords’ nPosAfter: Gets the position after” Example:’ Debug.Print GetStringBetweenTags(“This is a sample of
Private Declare Function GetProfileString Lib “kernel32” Alias _ “GetProfileStringA” (ByVal lpAppName As String, ByVal lpKeyName As String, _ ByVal lpDefault As String, ByVal lpReturnedString As String, _ ByVal nSize As
‘ Generates all combination possibilities out of a stringPublic Function PermuteString(ByVal Ztring As String, Optional Base As String = _ “”) As String Dim TmpStrArray() As String, I As Long
To save to file the graph generated by a MSChart control, you must use the control
By editing the Registry it is possible to change the icon that Windows Explorer uses for a drive. For example, if you want to change Drive E’s icon, create the
n graphical user interfaces such as Microsoft Windows, drawing on the screen is an important task. Everything displayed on the screen is based on simple drawing operations. Often, environments such
hen you make a method call on an object, typically you must block the client while the object executes the call, and control returns to the client only when the
DI+ is a technology that developers generally associate with Windows Forms applications because they use it to draw anything on the screen from custom controls to diagrams. However, you can
here was a time, not too long ago, when browser-based user interfaces were considered both the status quo and the Next Great Thing. The demand for Windows Forms-based applications started
ith over 45,000 topics, finding what you need in the Visual Studio .NET documentation can be a daunting task. The Doc Detective is here to help, utilizing his investigative skills
egular expressions. The name doesn’t conjure up any grandiose ideas about what they are all about. How could it with the word “regular” in the title? For those of you
eb Forms that require only controls and functionality provided by the built-in ASP.NET Web server controls are easy to create. But creating Web Forms that require or are designed with
asic error handling in SQL Server’s programming language, Transact-SQL, is straightforward. But when you nest calls to stored procedures, and the procedures have SQL transactions, error handling becomes much more
nderstanding the Java classpath and Java’s classloading mechanism are essential for any proficient Java developer. In a previous DevX article (Put an End to Jar File and Class Name Conflicts),
he .NET Framework doesn’t change the structure of the file system, nor does it build a new layer on top of it. More simply, but also more effectively for developers,
‘ve been in this business long enough to know that wherever you find a software developer you’ll find at least a one-to-one relationship to a deadline. More often, you’ll find
Query will likely become the dominant language for querying data from most data sources. Although designed for querying XML data, you can use XQuery to tie together data from multiple
nspiration for my editorials comes from many diverse sources. Sometimes I get inspired from a song on the radio, a conversation with a friend, or a line from a movie.
The following code can be used to create a popup window which flies in the screen.
Everybody knows that it takes a long time to insert a large number of records into a table. To improve the speed of insertion, you can use the PL/SWL loop
This is helpful, for instance, if you’re error logging to the file and body of an e-mail. Create a new subclass of OutputStream called TeeOutputStream like this: package be.marble.io;import java.io.*;public
You probably know that integers are represented in binary–in base 2. This is pretty straightforward for positive numbers, but it means you must choose an encoding for representing negatives. The
‘ve had a long and happy history using the MetroWerks CodeWarrior IDEs for both Mac and Windows development; they’ve helped me throughout college for those programming projects occasionally thrown at
avaOne alumni know that if you want to get a true geek’s-eye glimpse of the technological future, try to get close to James Gosling. This year Gosling, who is a
s programming languages have evolved over the years, the challenges in optimizing and fine-tuning applications have changed. I began programming 20 years ago and quickly adopted assembler language for its
VB6 does not natively support free threading, but with this ActiveX library you can finally create multiple threads and make them communicate, write delegate functions (similarly to VB.NET) and use
‘ A reusable routine that displays error information’ Note: requires Imports System.ReflectionSub DisplayExceptionInfo(ByVal e As Exception) ‘ Display the error message. Console.WriteLine(e.Message) Dim st As New StackTrace(e, True) Dim i
