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The Latest

Applet caching.

Question: I have been trying to test my applets under IE4.It seems to me that IE4 must keep applets cachedbecaused I think it keeps running my original applet.Is there a

Is there a PB code profiling utility?

Question: I was wondering whether you could direct me the appropriate product or contact for the following information.I am currently investigating the use of supporting test tools for PowerBuilder. In

Solving problems with Distributed PB Apps

Question: I had some problems with distributed applications. I developed a DPB project (both the server and the client). The server has a NVO that connects to a database and

Share Data from two primaries

Question: If I try to share data from one primary into the secondary, no problem. The problem occurs when I try to share data from two primaries into one secondary.

Changing Password in Oracle 7.3 database from PB

Question: I am creating a “Change Password” screen in PowerBuilder 5.0. The window basically accepts the password entered by the user, verifies it by connecting to the database, then tries

Bitmap size in PB toolbar

Question: How can I use a bitmap of 32X32 size for my toolbar icons? Does PB5.0 support this or is it necessary to shrink them to 16X16. Answer: The bitmap

Web Browser using VB 5

Question: I am currently writing software that will act as client and server software for a small ISP. I waswondering if there is any way to view web pagesusing Visual

Browsing with Netscape

Question: I need a way to find the “netscape.exe” file using VB. Then I want to send them to an Internet address using API. Answer: What if Netscape isn’t installed?

List boxes

Question: How can I put the output of a do-while loop in a list box then delete it for the next run?ex.o=0do (o=o+1)Randomize timerx=rnd( * 6)+1z=x*4Print z to loop Answer:

CD-ROM Detection

Question: How can I find the CD-Rom drive letter(s) from Visual Basic 5.0? Answer: The simplest method is to call the Win32 GetDriveType API against drives C:-Z:.Private Declare Function GetDriveType

removing the sheet toolbars

Question: I am using PB 5.0. I have an MDI application. There is a menu on the MDI frame. I inherited that menu to create a window menu. The window

PowerBuilder source recovery

Question: I have a client with a PowerBuilder application, but no source code. Is there a way to reverse-engineer or recover the source code?? Answer: It is not possible to

Year 2000

Question: Do you have any information on Year 2000 compliance effort for VB4 / VB5 systems? Answer: Visual Basic itself is and has been year 2000 compliant. The built-in Date

Searching Multiple Files

Question: I use VB5 and I’m trying to search through multiple files for a string and open this file in a TextBox. How can I do this? Answer: There really

Append data to a text file

Question: How do I append information to a file? This information is inserted by the user, into a text box, and then a command button is clicked to update the

The java.io.File class and Microsoft file systems

Question: After about 4 hours of work, I’d come up with an application (alltext, runs from the command line) that asks for a starting directory,and recursively writes all of that

Piping External Process Output

Question: I am attempting to run a series of externalapplications within JAVA. I need the resultsof the prev. application piped as input to thefollowup application. I understand the spawningof the

Java and Unix

Question: Is it possible to use Java to execute a command on Unix and get the output from that command? Answer: Yes. The java.lang.Runtime class has various exec() methods thatcan

HTML Basics: Backgrounds and Colors

ou can make your site more visually interesting by putting color, texture, or images in the background of your page. You can also select colors for text, links, and visited

HTML Advanced: Practice

n the following pages you can try HTML code and see the results of your work. When you see a text box you can click on the “Try It” button

HTML Advanced: Tables

ables let you display your content in rows and columns, either surrounded by borders or with no borders.But tables are much more than neatly arranged items. You can use tables

HTML Basics: Introduction to HTML

ypertext Markup Language (HTML) is the basic building block of the World Wide Web page. It uses a pre-defined set of tags to format text, create hyperlinks to other places,

HTML Advanced: Meta Tags

eta tags are not magic, not a cure-all for the search engine blues, and not a secret solution for pulling in data. Meta tags are simply place-holders for storing information

HTML Basics: Lists

se lists to display numbered steps, bulleted items, or items and their definitions. You can also use lists as a sort of short-cut “cheat” to create a quick indent. Adding

HTML Advanced: Frames

rames let you divide an HTML page into different areas, each displaying different content. If you are using a frames-compatible browser (Netscape Navigator 2.X or IE 3.X or later) you

HTML Advanced: Imagemaps

n imagemap is a graphic image with multiple different clickable areas and embedded links. For example, a map with clickable regions is an imagemap. Each region is linked to a

Using variable in SQL WHERE clause

Question: How can I use the contents of a text box as the WHERE clause in a SQL query? “SELECT * FROM Table WHERE Field = Text1.Text” doesn’t work. Answer:

Deprecated API

Question: When I compile my applets or applications, the compiler often tells me I’d use a “deprecated API” and that I should recompile with the option “-deprecate”. If I do

Generating Beep

Question: I want to alert the user of my application withan ASCII 7 bell character. When I run the application from a prompt and use System.out.println((char)7) I get the result