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The Latest

Changing the Value of Global Parameters

Question: With XSL, can I change the value of global parameters inside the templates named temp? Answer: No. Parameters and variables in XSLT, once defined, essentially are fixed for a

VB Constant Declaration

Question: What does the ‘* 1’ mean in this constant declaration? Public Const gcsDelimiter As String * 1 = “|” Answer: The * in your example defines the size of

Our Top 10 Tips for Classic ASP

ur focus has always been on assisting the new ASP programmer in mastering the techniques that the pros use all the time. Thus, to help you wade through the list

Dynamic SQL in Oracle 8i

Oracle 8I gives developers a new feature to allow execution of native dynamic SQL. This is an alternative to the DBMS_SQL package previously required. Now developers can use dynamic SQL

Computed Values in Select Query

Question: Can I use computed values from a select list in a WHERE clause? For example: select age + 10 as AGE_10 from employee where AGE_10 > 50 Answer: This

Converting Text to Date for Aging Amounts

Question: The table I am using stores date values as strings due to conversion data. The format is 2000-07-01 for July 1, 2000. I need to be able to age

Union Query

Question: I am writing a SQL statement in Access that is a union query. I am getting an error saying “The number of columns in the two selected tables or

Deleting a Column

Question: How do I delete a column, and all the values in it? Truncating will delete only the values, not the column itself. And I don’t want to drop the

SQL Command to Retrieve Date

Question: What is the SQL command for retrieving the current date? Answer: The GETDATE() function returns the current date and time. Write it like this: SELECT GETDATE() AS CurrentDateCurrentDate —————————

Creating help string for Enum constants

I’ve been trying to find a way to assign helpstrings for Enums in Visual Basic. The Class builder utility does that only for methods, events, and properties, but not for

Simplify your code with Inc and Dec functions

Unlike other languages – such as C and Delphi – VB lacks of the capability to increment and decrement a variable. Adding this feature, in the form of reusable Function

CombSort – A very efficient algorithm

‘ Comb Sort an array of any type” CombSort is faster than all but QuickSort and close to it.’ On the other hand, the code is much simpler than QuickSort’

BTree – A class for managing binary trees

Option Explicit’ Class Name : BTree’ Author : John Holfelder’ Date : 17-Apr-2000 12:08 pm’ Description : This class is a way of creating Binary search’ trees. Instead of pointers

Trimming a Vector

Suppose you create a vector and fill it with elements: vector MyVector;MyVector.reserve(20);for (int i=0 ; i tmp(MyVector);MyVector.swap(tmp); The vector temp has the same number of elements that MyVector has. By

Use a String Object to Read Input Safely

One of the common sources for bugs and security risks is using a fixed size char array as a buffer for inputting data. For example: char buff[20];cout > buff; //

The calloc() Function

The standard C library declares the function calloc() in as follows: void *calloc(size_t elements, size_t sz); calloc() allocates space for an array of elements, each of which occupies sz bytes

Equivalence Relationship in STL

Certain STL containers and algorithms require that you overload operator < for the class type they store as elements in order to sort and compare these elements. Note that STL

Convert Unix Dates to Readable Format

Unix systems keep dates in a single number format that represents the numberof seconds past January 1, 1970. January 1, 1970 is considered the EPOC and is the date that

ASP Number Formatting

Question: How do I format my numbers in the format ######, where a number of 123 would display as 000123? Answer: Concatenate a string of zeros to the left of

Changing Limits on Message Size

Question: How do I change the size limits of messages in a mailbox? Answer: You can’t really set a limit on the individual messages already in a mailbox, but you

New Line Character in ASP

Question: How do I define a new line character in ASP? Answer: In ASP (VBScript), use the constant vbCrLF to add line breaks in your string variables: strString = “Hello”

Reading Hotmail in Outlook

Question: Can I use Outlook 98 to read my hotmail messages like I can with Outlook Express? Answer: Not like you do with Outlook Express, no. With Outlook 2000, you