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The Latest

DevX - Software Development Resource

Finding the Max and Min in Consecutive Data

Question: I have a table in Microsoft Access 97 with sales info in the following format: Prod_Type, Box_Number, Cust_No.FA1111 , 400400 , 40010FA1111 , 400401 , 40010FA1111 , 400402 ,

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Exchange Rules Limit

Question: I am trying to set up 87 rules for a specific mailbox. Problem is, I get an error message stating there are too many rules. Is there a limit

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Making the VFP Report Writer Accessible By VB

Question: I’m a Visual FoxPro 6.0 programmer and recently decided to use Visual Basic 6.0. Everything seemed to be fine in VB until it came to creating a report. The

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Selecting Rows Based on a Distinct Value

Question: I have a table in my SQL 7 database that, among other values, contains e-mails. There are duplicate e-mail values in this table. I want to extract one record

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Memo Fields in FoxPro for DOS

Question: I am working on a FoxPro for DOS system and I am using the COPY TO function to export the DBF to a (text or Microsoft Excel) file. However,

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Very Slow Queries

Question: I’m working on a database built for reporting purposes. Tables are updated once a month. Reporting queries are taking many hours to complete, some up to 26 hours. The

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dBASE IV’s ODBC-compliance

Question: Is dBASE IV an ODBC-compliant database? Answer: ODBC compliance is (or was) a specific set of functionality expected of a back end being mediated by an ODBC driver program

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Exchange/Outlook Client Lockup

Question: I’ve got a mailbox on our Exchange 5.5 server that locks up Outlook 2000 client after running for a period of time. I’ve tried it on multiple machines so

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string and bool

Question: I’m looking for a C++ file that supports strings and bool. I currently have a very old version of C++ but I don’t have the prototypes that support string

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PST File Corruption

Question: My computer froze and when I restarted it I discovered that my personal folder inbox has no folders. I also can no longer access the e-mail that I get

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Exchange Server 5.5 Messages to AOL Recipients

Question: None of the clients using Exchange e-mail can successfully send an e-mail message to an America Online recipient. We do not get an undeliverable message from the Exchange Server.

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Exchange Event Service

Question: I have nine Exchange 5.5 post offices. Most started as 5.0 post offices, which were then upgraded to 5.5 with SP1. The newer post offices have a “Microsoft Exchange

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Opening Multiple Mailboxes

Question: In our organization, some employees belong to a group mailbox. Is it possible to open multiple mailboxes (including some shared ones) from a single Exchange profile? Answer: You can

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Public Folders as Conference Rooms

Question: How do I set up public folders as conference rooms and see available times in the meeting planner? If I add the rooms as a resource it gives me

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Exchange Client Setup for Sensitive E-mails

Question: Can you explain if the Exchange client can be set up as follows: User A has shared the Inbox for Secretary A. User A receives a message from another

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18 Common Programming Traps in MTS

icrosoft Transaction Server (MTS) is certainly not new, but there are still a lot of common design and programming errors being made. In this article I will show you 18

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Linker Optimizations

While most of the code optimizations are performed at compile time, there are optimizations that only a linker can perform. For example, it can detect unreferenced function calls. These are

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Deleting a const Object

In earlier stages of C++, it was impossible to delete a const object, even if that object was constructed on the free store. This could cause memory leaks. However, the

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Initializing a Bit Struct

To initialize a struct that contains bit fields, simply use the ={0}partial initialization list: int main(){ struct MP3_HEADER { unsigned Sync:11; unsigned Version:2; unsigned Layer:2; unsigned Protection:1; unsigned Bitrate:4; unsigned

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Switch Statement

Question: Does Java have a switch statement that can use doubles and floats? Answer: The Java switch statement only supports values of type char, byte,short, or int. To conditionally execute

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Efficiency of STL or Quality of Implementation?

I often hear people ask whether it’s possible to write code that is quicker than STL. This is a paradoxical question: the C++ Standard defines minimum performance requirements with which

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Finding the Calling Procedure

Question: Often I place a Break Point in a Function or Procedure for Debugging purposes.How I can find the immediate calling procedure?Or, better how I can find all the previous