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Threads and JDBC Connections

Question: Is the JDBC Connection class thread safe? In other words, can a connection be shared between multiple threads without using synchronization? Answer: java.sql.Connection is actually an interface and not

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Determing Empty Tables or Queries in MS Access

You can determine whether an Access table or query, accessed via RECORDSET OBJECT, contains any record by examining the boolean type BOFand EOF propertyof that RECORDSET OBJECT. If the RECORDSET

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Data Exchange

Question: Can we exchange data between Visual Basic and Microsoft Project? If so, what is the object model for Microsoft Project? Answer: The MS Project object model is as large

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Editing an Executable File

Question: I have an existing .exe file that creates files, archives, and restores. I need to find out how to edit that existing program so as to update some changes.

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Converting VBScript to JavaScript

Question: I need to convert this fairly simple VBScript to a JavaScript? The purpose of the script is to cause a posted seminar event to disappear after the date of

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Signals and Public Slots Blocks

Question: Everybody knows the meaning of public, private, and protected blocks in a class interface. While browsing through a KDE program I found two other block types: signals and public

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Correct Reference Library for FileSystemObject

Question: I am having problems calling the FileSytemObject from VB6. “Dim x as New FileSystemObject” does not work. I have tried the Active Server Pages Obj lib and ADO 2.0

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Variable Creation and Scope

Question: In writing a basic introductory module about C++, I came upon the topic of “instant variable creation” within for loops and noticed to my dismay that the following code

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DevX Special Report: The AJAX Framework Roundup

Which AJAX Library Is Right for Me? 12/05/06 Free AJAX libraries are multiplying like bunnies in the spring. Here’s some guidance to help you sift through the dozens of options

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DevX Special Report: Judging Java

DevX is pleased to conclude its special enterprise report on Java. Part III of our series includes a candid two-part feature by analyst and author Andrew Binstock on the increasing

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DevX Special Report: The Road to Ruby

The Road to Ruby Does the Ruby programming language offer enough power and elegance to make it a legitimate alternative to the current heavyweight languages? Many Ruby converts believe so,

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Locking Rows

Question: We are developing an intranet application using visual interdev on windows 2000 and our informix database is on unix. We are using stored procedures and the ‘begin work’ and

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Outlook Web Access

Question: When trying to create an e-mail from OWA the following error message appears: ‘Your message body is too large. OWA only supports message bodies up to 100K…’ This message

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MS Outlook

Question: I have a form that is being sent from Outlook 98 to Outlook 2000. The form contains a small macro (VB Script). How do I prevent the EnableDisable macro

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Return E-mail Address for Outlook 98

Question: I have three workstations for three different users. They have different local e-mail addresses but they share the same internet e-mail address. Sending an e-mail is no problem but

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Using Parameters in XSL Select Statements

Question: Given the XML file: Sometimes we want to display name1 and sometimes name2. We figured that perhaps we could set a parameter. Then we could pass in the name

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Restoring an Exchange Server

Question: The BDC was the exchange server, and now it can’t see itself as BDC or a server. It shows on the SERVER MANAGER as a workstation. We have a

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Hiding the Command Window

Question: How can I hide the command window when a project is running? Answer: To hide the command window, issue the following command in your code: HIDE WINDOW COMMAND Related

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FoxPro Syntax

Question: I was told that aMemo and alines are FoxPro commands but I can not find them in FoxPro help. Is my version of FoxPro too old? I am on

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Information Store Size

Question: The company I work for has 15 employees and perhaps 25 legitimate mail boxes between users and service accounts. I have at least 5 users that have mail boxes