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The Latest

Generating a Unique Filename

To generate a unique filename that won’t conflict with any other files that exist in the current directory, use the tmpnam() function declared in as follows: char * tmpnam(char *

Designated Initializers

Another new feature in C99 is called designated initializers. Designated initializers enable you to initialize specific array elements without having to initialize the entire array. For example, suppose you have

Reading Strings that Contain White Spaces

The std::getline() functions reads data from an input stream and writes it to a string object. Unlike cin’s >> operator, getline() also reads white spaces, which makes it useful for

Changing the Endian-ness of a Number

Suppose you receive an int from a remote host and you wish to convert it to big-endian order. Here is another portable solution for handling of big and littleendian data

Send Emails From an Oracle Stored Procedure

The following code is for those who need to receive e-mails from the database to report a correct ending backup, a corrupted backup, a database fail, or any message database/admin

Draw Lines in a List View

This code adds the appearance of a grid control to a traditional listview, drawing lines between rows and columns: Private Declare Function SendMessageLong Lib

Logon Improvements

If your application connects to Microsoft SQL Server, you can use two features to make your login easy and low maintenance. The first choice is to use OLE DB instead

Create New Controls at Run Time

This undocumented feature of VB6 lets you create new controls at run time. In previous versions, one had to create a control array at design time in order to be

Error Message Passing Throughout Nested Components

Nowadays, components are popularly used in VB projects. These components can sometimes make it hard to determine which component has an error when the application stops running. This is especially

Get a Jump on XML Development

he newest addition to the pantheon of web technologies is yet another markup language. XML, otherwise known as the Extensible Markup Language, resembles other markup languages like SGML and HTML.

The LogNTEvent class

LogNTEvent is a class that lets a VB app write directly to the NT event log. The zip file includes a demo project and a sample DLL that contains the

Running an EXE Using a Trigger

Question: I want to run an .exe using a trigger. Is there any stored procedure for running an .exe? For example, I want to run Notepad. Answer: The stored procedure

Informix Ontape Backups

Question: I need to do an ontape Level 0 backup but I need to bypass the “Press Enter to Continue.” Simply put, I want to type “Ontape -s -L 0”

Looking for Informix Server Sites

Question: I am trying to learn Informix. I have been developing Informix code to produce HTML files—effectively using Informix as a CGI. I want to do the following: Find someone

Informix SQL

Question: Are Transact SQL stored procedures currently running on a SQL Server 7.0 database compatible with a Informix database? Answer: No, you’ll have to translate them into Informix’s stored procedure

Log Error

Question: I am receiving this error in my log: connections rejected: no calls allowed for sqlexec.listener-thread err: = -27002 oserr: = 0errstr = : No connections allowed in Dynamic server

Use printStackTrace() method to generate stack

Stack trace is a kind of call stack, which maintains the call sequence of methods at any given point in time. Throwable class in Java provides a method called “printStackTrace()”

Use Of ‘Connect By’ clause for Hierarchal Query

The Connect By clause is useful for tables which have 2 or more columns with parent-child relationships. While displaying rows, we can use ‘LEVEL’ pseudo column to indent the results

Passing Objects in a Function

In Java, objects are passed to a function by reference, so you can manipulate the object data in the function and have that reflected outside the function also. If you

All the Changes, All the Time: Part I

his 10-Minute Solution was prompted by a question to the Ask the SQL Pro site regarding how best to capture changes that have occurred in a database. I will address