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DevX - Software Development Resource

WAP Configuration

Question: I have a Nokia WAP server 1.1 and toolkit 1.2. When I try to look into a WML page using Wapman, it gives a 406 error. What do I

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Stopping Services for Backup

Question: As backup for a client, can I write a script in Exchange to shut down the service, copy all the data files to another drive, and then restart the

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E-mail Forwarding With Exchange 5.5

Question: How does a person in my office forward certain e-mails from his account in the office to his external e-mail account? Answer: Sounds to me like Auto-Replies to the

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Memory Layout of Objects

Question: If a program constructs an object (let’s say, foo) that has a number of large and involved methods 100 times, does it duplicate in memory all the code for

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Asynchronous Calls and Callbacks

There are two ways to invoke a remote object through Remote Scripting: synchronously and asynchronously. The asynchronous approach is particularly useful because it doesn’t stop the user from working within

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Assigning a Specific Address to a Pointer

Question: How do I assign a specific address location to a pointer (e.g., If I want *ptr to point to 0x5800FF)? Answer: You have to use an explicit cast: void

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Threads in C++

Question: Is it possible to have threads in C++ like you can in Java? Answer: Sure you can have threads in C++. However, unlike Java, C++ uses external thread libraries

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Truncate Table

Question: Is there a fast way to delete all the rows (in other words, truncate) the table in Informix 7.xx? Answer: There is no truncate command. The fastest way to

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REPORT Functionality Within Informix

Question: What does a return code of 100 mean on a START REPORT statement? Answer: If this is an Informix error, and it probably is, Informix lists the following error

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PDQ and Xtree

Question: How can I set the PDQPRIORITY for every user in the database? I am also trying to get Xtree to work on the same system so I can better

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Outlook / Exchange Shared Calendars

Question: We have an Exchange server and are running Outlook 2000 on dozens of workstations. What is the best and easiest way to share calendars? Answer: Well, you don’t specify

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Checking Message Size

Question: Is there a way to write a script at the Outlook client that will make sure the message size—including an attachment—doesn’t exceed our limit as soon as the message

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OWA and Public Calendar

Question: Is there a workaround to gain access to Microsoft’s public calendar using Outlook Web Access? Answer: The workaround is on its way—it’s called Exchange 2000. Outlook Web Access gets

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CD-ROM Distribution Kit

Question: I would like to distribute my application on CD. The distribution kit I have is on 1.44 disk. Can I get a batch to update my distribution code to

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Visual FoxPro App Shuts Down in Runtime

Question: I have my first Visual FoxPro app that runs fine in the development environment, but will not run in runtime. What do I need to do to keep it

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BUILD Date

Question: How do I capture the build date in PowerBuilder 6.5 and put it in an instance variable? Answer: Yes. You need to declare a constant integer variable and assign

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Get SQL Before Execution

Question: Is there any way to capture SQL at the transaction object level? Answer: If you are using a datawindow/datastore object, then you can add code to the SQLPreview event

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Alternative Sharing for Outlook Folders

Question: Can we publicly share Outlook folders in Outlook 97, without using Microsoft Exchange Server? Answer: The easiest solution for you would be to upgrade to Outlook 2000 and use

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Exchange 2000 and Multiple Domains

Question: How do I get multiple domains in Exchange 2000? Answer: I’m not sure what you mean by multiple domains in Exchange. Exchange 2000 allows you to have only a

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Insert and Amend Datestamps

Question: I have a table in Informix that is changed regularly. The records have no datestamp, so how do I get the date/time of amends and inserts to this table

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SQLCODE Error -0000019514

Question: When I do aDECLARE CURSOR FOR SELECT, it returns a SQLCODE = 0. When I do an OPEN CURSOR, it also returns a SQLCODE = 0. But I have

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Database Performance

Question: Our Sun E450 system seems slow, especially when 20 users log in together to our Baan ERP system. The physical RAM is 640MB and the disk space has about

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Autoforwarding Public Appointments to a Group

Question: How do I forward appointments made to a public calendar to a set group of people? Answer: That’s fairly easy to do. First, open your folder list (View |

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Win2K and Outlook2K Exchange Connect via PPTP

Question: When I try to access Exchange Outlook, it produces the following message: “The Microsoft Exchange Address Book was unable to log on to the Microsoft Exchange Server computer. Contact

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Moving a User’s Folder

Question: We have a user on Exchange Server that no longer can access his account (“User does not have permission to log on to Microsoft Outlook”). I remember seeing an

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Database Limits

Question: I read recently that Exchange databases, like the Public and Private Information Stores, are highly susceptible to corruption when exceeding 4GB. Our Exchange 5.5 (Standard Edition) claims a 16GB

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Multiple Inserts Error

Question: What does the following Informix error message mean, and what can I do to prevent it: “could not position within a file via an index” It happens when I

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Validation of Textbox

Question: How do I validate a textbox, which doesn’t have any control source, so if it’s empty it should not lose the focus until the user enters some value? Answer: