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The Latest

Unicode and the Watch Debugger Window

Managing Unicode strings (LPWSTR, BSTRs, etc.) is now a very common task. However, Visual Studio 6 does not allow you to view Unicode strings correctly in the watch window. It

Security101: MessageDigest Class

In Java, message digest is represented by “java.security.MessageDigest class”.All main classes in java.security package are instantiated using the factory method “getInstance()”.This method takes the String parameter, which is the name

Security101: MessageDigest

Message digest is a hash code of a byte sequence (message).It has certain properties that make it very unique and very useful: It has a fixed size (in bytes), which

Switch a Combo Box Sort from Alpha to Number

Don’t forget to turn off the .sorted property on the combo box before calling! ResortCboFromAlphaToNum cboAbcPublic Sub ResortCboFromAlphaToNum(cc As ComboBox) ‘resorts given combobox from alpha sort (usual) to numeric sort

A VB Code Generator

Sometimes you want to initialize arrays with values, but you can’t because you’d have to provide values explicitly. There is a way to generate these kinds of assignment statements.Say you

Lock Controls, Don’t Disable Them

You should lock controls (that have the .locked property) rather than setting .enabled = false.Why? Grey text in a disabled field is less readable. Also, blank fields give no indication

Ini File Library

This ActiveX DLL project lets you parse an INI file and browse its contents using an object-oriented approach. The main object is the INIFile object, which exposes a collection of

RotateBitmap – Rotate a 256-color bitmap by any angle

Option Explicit’ This structure holds Bitmap informationPrivate Type BITMAP bmType As Long bmWidth As Long bmHeight As Long bmWidthBytes As Long bmPlanes As Integer bmBitsPixel As Integer bmBits As LongEnd

GetBitmapInfo – Retrieve information on a bitmap

‘ This structure holds Bitmap informationPrivate Type BITMAP bmType As Long bmWidth As Long bmHeight As Long bmWidthBytes As Long bmPlanes As Integer bmBitsPixel As Integer bmBits As LongEnd TypePrivate

Use Script Caching

Using script caching when a script is extremely large or embedded across multiple pages can improve the performance of code in JavaScript. It also allows you to easily distribute one

Alter Your Browser’s Scrollbar Colour

There are CSS attributes responsible for controlling the scrollbar’s coloring, everything from the background, foreground, to the little arrow at the two ends of the scrollbar. –Your Normal code goes

A Fast Way to Check if a Table Is Empty

If all you need to know is whether a table is empty, using COUNT(*) is a bad alternative, because if the table is very large, it will take some time

Overloading and Overriding

Overriding a method suppresses the visibility of any overloads in the base class for the overridden method. Say you have a base class CBase where there are two trivial overloads:

Command Line Input to Java Application

As in C and C++, it is not easy to give input to an application in Java. This is sample code to check whether the given number is even or

Launch a File with its Associated Program

This code will allow you to launch a file with its associated program. #If Win32 ThenDeclare Function ShellExecute Lib “shell32.dll” Alias “ShellExecuteA” _(ByVal hwnd As Long, ByVal lpOperation As String,

Track Changes to your Crystal Reports

Since Crystal Reports files are stored in a binary format, it’s impossible to accurately track (using SourceSafe, for example) the changes you and your colleagues make.To help remedy this situation

Effective Use of the LogonUser

How do you use the LogonUser API in VB?1. Call RevertToSelf (this is the critical step as it allows the code torun under the System account)2. Call LogonUser3. Call ImpersonateUserThis

Get the exit code of a process

In a few cases, in particular when running MsDos batch files from within a VB application, you may want to determine the ERRORLEVEL set by an external application. You can’t