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The Latest

Add Multicharacter Search Capability to Listboxes

Users often complain that listboxes don’t have the same multiple keypress search capabilities as treeviews and other objects. But you can simulate this behavior by adding code to a form

Moving Transaction Logs to a Different Drive

You can move a transaction log using SQL Server stored procedures. Simply detach the database, move the log file, then reattach the database. For example, to move the pubs database

Add Controls to a Project Quickly

VB’s Add File dialog supports only a single selection of code modules or OCXs, so you must painstakingly select each individual file and control one at a time. One of

String.valueOf or Integer.toString()?

Converting an integer to a string is a very common programming task. The most popular method for doing this are to use either String.valueOf(int) or Integer.toString(). Which one is better

Declaring Variables in C++

Say you want to store data for temporary use in a program. You will have to declare variables to input the data. Luckily, declaring variables in C++ is very easy.

Accessing DevX RSS Feeds

Frequently Asked Questions Selected News Readers Selected News Aggregators More RSS Resources Take me directly to the feeds! 1. Frequently Asked Questions What are DevX feeds? DevX offers access to

Read a Complete Text File in One Pass

Typically, you read and process a text file by using a loop and VB’s Line Input statement: Do While Not Eof(1) Line Input #1, myStringVar$ ‘ process the line hereLoop

Make Applications Stand the Test of Time

xperience suggests the working life of applications is enhanced if developers acknowledge the inherent requirements of standards-based development. For instance, if an application is based on emerging or evolving technology,

Determine the Last Day of the Month

This can be accomplished with just one line of code: FindEOM = DateSerial(Year(ADate), Month(ADate) + 1, 0) Setting the day parameter of DateSerial to 0 always returns the day prior

A Useful Retrieval Procedure

This procedure retrieves the table name, table id, column or fieldname, data type, the length of the field in bytes, and the order in which the fields were created. I

Change the Read-only Permissions of a File (JDK 1.2.2)

Use this code to change the read-only permissions of a file in JDK 1.2.2: public void changeFilePermission(){ String osName = System.getProperty(“os.name”); try{ if (osName.equalsIgnoreCase(“WINDOWS NT”) ||osName.equals(“Windows 2000”) ) { Runtime.getRuntime().exec(“cmd.exe

The Trim Function in JavaScript

JavaScript doesn’t have a trim to strip the spaces around strings. This little bit of code uses regular expressions to strip the spaces around given input. function trim(input){ var lre

How to Double Image Size

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

GetStringBetweenTags – Returns a string between 2 delimiters

‘ 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

Changing the icon of a drive

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

The Basics of GDI+

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

Asynchronous Calls in .NET

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

Using GDI+ in ASP.NET Web Applications, Part I

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

GDI+ Drawing Page, Part I

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

Getting Started with Regular Expressions

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

Dynamically Adding Wired Controls to Web Forms

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