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Delete Duplicate Rows from a Table Using the Cursor

This is an advanced solution to delete duplicate Rows from a table using the cursor: create table DupTable ( Field1 varchar(20))goinsert DupTable (Field1) select ‘A11111111’ UNION ALL select ‘B22222222’ UNION

Translating errno Error Codes to Text

To translate an error code to its verbal description, use the function strerror(). strerror() is declared in as follows: char * strerror(int errcode); The function takes an error code and

The sig_atomic_t Datatype

Applications that handle signals must distinguish between atomic and non-atomic datatypes. Reading or writing an atomic object is guaranteed to take one instruction. By contrast, accessing a non-atomic object may

Obtaining a Verbal Description of errno

System calls and Standard Library functions assign a zero value to the global variable errno to indicate success. In case of an error, they assign negative values to errno. On

Defining a Template Member Function

You can define a template member function in an ordinary class as follows: class C{public: template int func(T* p);};template int C::func(T* p){ return 0;} Note that Visual C++ doesn Related

Duplicate the Join Function for VB4 and VB5

The native VB6 Split and Join functions have highlighted a number of useful techniques, and VB5 and VB4 programmers can use this extended facility as well. This code emulates the

Retrieve Additional File Properties

Several new properties associated with files were not available when the original VB file I/O statements and functions were designed. To easily access these new properties Related Posts Inside NuScale’s

Store Primary Key in ItemData

Loading a combo/listbox is pretty easy, and determining what the combo/listbox Text property selects is even easier. But if you load a table that contains duplicate values, you might run

Show Non-Modal Forms From ActiveX DLLs

If your VB ActiveX DLL includes a non-modal form, you can Related Posts Apple Unveils Advanced MacBook Air with M3 ChipEnterprises Say Mobile Development Achieves Positive ROIDimming the Sun: Aerosol

ExplodeString – Add a filling char between a string’s chars

‘ “Explode” a string by inserting a given filling character’ between consecutive characters in the original string” The source string cannot contain Chr$(0) charactersFunction ExplodeString(ByVal Source As String, Optional ByVal

VC++ to Aim at Full ANSI/ISO Compliance?

Herb Sutter is a recognized expert on C++ software development. Author of more than 150 technical articles and of the widely acclaimed books Exceptional C++ and More Exceptional C++, he

Using Images for Table Borders

This method consists of creating empty rows and columns where an image will show through around a central cell that will contain the table’s content.To use an image as a

Encrypt Your Userid and Password

The result is a password script that won’t crumble as soon as the user views the page’s source. Here’s the code: Enter username: Enter password: Related Posts Valve to support

Prevent a Document from Getting Cached

Preventing the document from being cached ensures that a fresh copy of the document will always be retrieved from the site, even during the user’s current session, regardless of how

Page Redirection

There is no Response object method that will redirect/forward a page visitor to another page after a specified amount of time.To achieve this you can use following two methods:1) Using

Eliminate All Database Connection Logic from ASP

Eliminate any database connection logic from your ASP pages by implementing a simple VB component that wraps up the most common ADO functionalities and in conjunction with a UDL. 1.

Format the Given Date into a Required Date Format

You can change the given format into the required date format using the CONVERT Function. Here’s an example: companyid peo———– ———–104 1998-09-30104 1999-09-30104 1999-12-31104 2000-03-31104 2000-06-30104 2000-09-30104 2000-12-31104 2001-03-31104 2001-06-30104

Use ISQLW for Messenger Service in an Intranet

It’s possible to send messages from one system to another system in an Intranet by using ‘xp_cmdshell’ extended stored procedure in MS SQL Server. The usage of this procedure can

Write One toString() Method for Most All Your Classes

public String toString(){ StringBuffer sb = new StringBuffer( 256 ); sb.append(“[Field Name] [Value] “); Class curr = this.getClass(); while(curr != null){ Field[] field = curr.getDeclaredFields(); for(int i=0; i

The Difference between “==” and “equals”

The basic difference between the “==” and the “equals” method is to compare the two entities on either side of the operator or the method. But when objects are compared,