Since 1998, DevX has helped people start businesses, build websites, and provide enterprise technology to people globally. Interviewing the likes of Microsoft’s co-founder, Steve Ballmer, the publication brings comprehensive, reliable, and accessible insights to the Internet.
IObjectControl is the second COM interface (besides the COM interface IObjectContext) of the component class factory, as stored in MTS when the component is installed. This interface is useful for
There are two limitation about writing ASP code with VBScript. First of all, all variables must be variants. Second, VBScript can currently retrieve output parameters only when they are declared
Depending on what the code is doing, early binding may significantly improve the speed of the code. Also, syntax errors in OLE Automation code, which otherwise fail at run time,
Trying to parse a set of TreeView nodes and their children’s nodes and their children’s nodes can be confusing. This algorithm makes the process easier. Recursion describes an algorithm that
People sometimes complain about the inaccuracy of floating point arithmetic. To demonstrate the level of floating pint inaccuracy, consider the following program: #include using namespace std; int main() { float
Question: I have this table: declare tbl1 (x int,y int,z int); I don’t have a column I could use as a unique key. There are some duplicate rows (not just
Question: I am using history objects back(1) ( history.back(1) )method in my HTML application to go to previous screen and it is working alright but I am not able to
Question: Designing with JavaScript by Nick Heinle talks about using Internet Explorer’s Object tags for simple data binding of CDV databases. Is there a Netscape Embed tag (or other equivalent)
Question: Is there a way I can load a Web page from the top frame into the bottom frame, when a user clicks on a link in the bottom frame?
Question: How do I replicate the pasteHTML function supported by Internet Explorer in Netscape? Rewriting the layer isn’t the problem. The problem is determining the position of the text returned
Question: I want to present the results of a search in a table with two background colors, so that every other row will change color. How can I do this?
Question: I am trying to build a warehouse. The steps involved are: Make a snapshot replication of the OLTP onto the staging area. Run a DTS package that makes transformations
Question: Can JavaScript access CGI environment variables? Once a user has logged into my site, I would like to retrieve the user name from the “REMOTE_USER” variable. Answer: No, there
Question: Is there a way to declare and invoke methods in JavaServer Pages? Answer: Methods can be declared in the same way as variables in JavaServerPages. It can help to
Question: Is it possible to cache a JavaScript or remote .JS file on a client? It seems that while you can cache images, HTML, objects, and so on, caching .JS
Question: I have an issue with date formats. I have a VB client piece of software that generates a select based on a particular date. However it only works on
Question: How do I limit an SQL SELECT statement to returning just the top ten producing offices? Answer: Use the TOP operator or SET ROWCOUNT to 10.
Question: When I add sites to my Microsoft Internet Explorer Favorites, the site’s logo (or icon) appears by the Web page’s name instead of the little “e” that usually appears
Question: JavaScript provides straightforward methods for detecting things like browser version and platform, and a few options such as whether the client will accept cookies. But is there a way
Question: I am trying to put lines of text into an array: messageArray = new Array();messageArray[0] = ‘Information deduced from the document’s content.’ I’m running into problems with the single
Question: Is there a way to programmatically reset the status of a record in an ADO 2.1 recordset? For example, I would like to change the status of a record
Question: I have a VB database application that, when I pass a unique id to a client object, opens that record (this explanation is simplified). I have to write an
Question: I have a program that calculates the number of people the government could send to college with the money they spend on certain defense programs. The script works, but
Question: What is the maximum length of a JavaScript string? Answer: Although there is no specific limit on the length of a JavaScript String, there are practical limits on how
xtensible Stylesheet Language (XSL) has slowly been gaining a reputation as the SQL of the hierarchical data world. Even with only the partial implementation that Microsoft’s XSL offers, you can
ven though the Java Virtual Machine performs automatic garbagecollection, you can’t completely forget about memory managementissues. How and when garbage collection is performed isimplementation dependent. Some JVMs will wait until
n last month’s 10-Minute Solution, you learned how to display selective data from a database based on the user’s choice. This time you’ll see how to improve and optimize this
n designing a relational system, the simplicity of each individual relation belies the complexity engendered by the multiplicity of tables created by implementing that model. However, simply by observing “good
y now I am sure that many Visual Basic developers are leveraging their Visual Basic skills to do some Web development. In this Solution, I’ll cover DHTML Behaviors, a new
isual Basic offers many methods for sharing data within an application. When we talk about sharing data, there are several possible levels of sharing: Within a procedure Within a form/code




