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Book Excerpt: Active Directory, 2nd Edition

ctive Directory is a common repository for information about objects that reside on the network, such as users and groups, computers and printers, and applications and files. The default Active

Timeline: Java in Retrospect

hen we first set out to document the full history of Java’s emergence and development, we knew we’d have an interesting and enjoyable time of it. From its conception in

Scaling Out With Object-Relational Mapping on .NET

long with the proliferation of the Internet and large-scale intranets, the requirements of enterprise applications have evolved. Launching a service in an expanding enterprise could put an ever-increasing load on

ChangeDriveIcon – Changing the icon of a drive

‘ Change the icon of a drive’ Example: ChangeDriveIcon(“d”, “c:myicon.ico”)Sub ChangeDriveIcon(ByVal driveLetter As String, ByVal icoPath As String) ‘ create the parent key Dim regKey As Microsoft.Win32.RegistryKey = _ Microsoft.Win32.Registry.LocalMachine.CreateSubKey(

Ask a Yes/no question and return a Boolean

‘ Ask a Yes/no question’ returns True if the user replies “Yes”‘ Example: MessageBox.Show(AskYesOrNo(“Do you like me?”, “ME”, True))Function AskYesOrNo(ByVal text As String, ByVal title As String, _ ByVal defaultAnswer

Print3D – Drawing a text with 3D effect

‘ Display a text with 3D effect” g: a Graphics object’ text: the text to be displayed’ coords: the Point with the X and Y coordinates’ col: the text color’

SemiCRC – A fast CRC-like algorithm

‘ Evaluate the 16-bit Checksum of an array of bytesFunction SemiCRC(ByVal source() As Byte) As Integer Dim crc, temp As Integer, i As Long Const divisor As Integer = 32768

Execute a SQL Server DTS Package Remotely

You can easily execute a SQL Server 7.0 Data Transformation Services (DTS) package from VB remotely: Create a DTS package. It can be an import from Excel into SQL Server.

Embed Quotation Marks

You use quotation marks in VB to define strings, but how do you include them in your output? Use whichever of these methods works the best for you: Dim strUseChr

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