Creating a “Browse for Folder” Dialog Box
Question: How can I create a “browse” facility in my application—something which throws up a dialog box that allows the user to view folders and select one, as in Microsoft
Question: How can I create a “browse” facility in my application—something which throws up a dialog box that allows the user to view folders and select one, as in Microsoft
Question: I have Exchange 5.0 running on a server that has become too small to do everything asked of it. I bought Exchange 5.5 Upgrade and a totally new copy
Question: I’m trying to declare some data for an object such that, when necessary, other functions can use the object not only to perform member functions but also serve as
Question: Is there a maximum URL length? One of my forms has a bunch of text fields on it so I am concerned that it might truncate when I pass
Question: Is there is a way to create a text field that only accepts numeric input? Answer: There are probably a couple of a ways to go about doing this.
Question: How can I prevent certain files on my site from being bookmarked? Answer: There is no way to fully prevent people from bookmarking a certain URL on your site.
Question: I have var1 and var2 both ints in a DB (only ints will be entered into var1, var2). But I want the result to show answer with decimal places:
Question: I have a table with a text field that stores a long description. When I use the Select statement to query the table, it only returns 255 characters. How
Question: When I try to do a simple insert in a table with 25,000 records, it takes a long time do execute. In the same database for a table with
Question: When I execute this query: create table #T1 ( pk numeric( 9 ) ) drop table #T1 create table #T1 ( pk numeric( 9 ) ) drop table #T1
Question: I have an HTML page that is broken up into two different frames. The left frame acts as a navigation tool. The right frame is the user interface, which
Question: I have produced a bunch of DHTML library functions that work in a cross-platform environment, down to the point of redefining the layer object in Netscape and writing customized
Question: When I define a window “in desktop” with the main Visual FoxPro window hidden, I can’t get it to show up using Show Window or Activate Window while the
Question: I want to output a report by Visual FoxPro 6.0 and fax it by WinFax Pro 9.0. I can output my report to an ASCII file which is then
Question: I am inserting some text into a DIV in Netscape using the .open, write(), and close() methods. At first there is nothing in the DIV, and when I check
If you fully understand how VB and VBA work, you can often save some statements. This makes your listings more concise and more readable, and indirectly optimizes your program. Here
Let’s assume you must test whether the most significan bit of an integer value is set or not. This is the code that you usually write: ‘ two cases, depending
You can often use the Instr function in an unorthodox way to write more concise code. A typical example is when you need to test a single character: ‘ test
Use IIf when setting a value based upon an expression. This works only in situations where you have two choices, based upon the result of a Boolean expression. ‘long wayIf
When setting a Boolean value based upon the result of an expression, avoid using an unnecessary If/Then/Else structure. ‘Instead of using this lengthy syntax . . .If SomeVar > SomeOtherVar
Many VB developers don’t realize that the Switch built-in function can often save a lot of code. This function takes any number of (expr, value) pairs, it evaluates all expressions
The Choose function lets you often make more concise, albeit not faster, code, because it lets you replace a lengthy Select Case block. For example, the following code: Select Case
It is always easy for people who know Visual Basic to write code inVBScript. But sometimes you make some common mistakes because of the implementation differences between VB and VBScript.One
If you want to rebuild the master database you can run Rebuildm.exe command prompt utility. This utility allows you to rebuild the master database to change the character set, sort
Use the SendMessage API to set tab stops in a VB listbox by creating these declarations and this routine in a module: Private Declare Function SendMessage Lib _ “user32” Alias
The IsLoaded function tests to determine if any instances of a form are already loaded or exist in memory: If IsLoaded(“frmMyForm”) Then Debug.Print “frmMyForm is loaded”End IfPublic Function IsLoaded(sForm As
Question: I am trying to put all the checkboxes in a CheckboxGroup into anunselected state, but Checkbox.setState(false) does notautomatically unselect the checkbox once a checkbox has been selectedwithin a CheckboxGroup.
Question: When a request message is processed through the HttpServlet doGetmethod, who sets the parameters and attributes for theHttpServletRequest argument? And what is the difference between anattribute and a parameter?
Question: How can I have my servlet display an HTML file,located on the server, on the client’s browser? Answer: The HttpServlet class makes it very simple to send and receiveinformation
Question: What is the basic difference between JavaBeans and Enterprise JavaBeans? Answer: JavaBeans are a set of conventions and APIs for creating reusablesoftware components. The primary benefit is for visual