Question: How can I convert a String type value to an integer or float?For example,String str=”155.230″;float real;real = str.HowCanIConvert???????; I’ve tried it like this:Integer aValue = new Integer(String.valueOf(“1”)); But this

Question: I’m using OPO 1.0.16 on a Mac, and want to confine all input to afield on a form. The user can change some popups on the form, but thecursor

Question: How can I let a user enter a password and hide the charactersentered? Answer: You can let the user enter characters into a field and replace theletters entered by

Question: I posted this question to Java newsgroups, but the response from experts avoids the real issue. Simple applet: import java.applet.*; import java.awt.*; public class FirstApplet extends Applet { public

Question: The AWT’s Frame class provides a setCursor method that allows me to set the cursor to one of the standard images (arrow, watch, etc.). The problem is I’m implementing

Question: I like the automatic QBF facility that comes with all default Power Object applications. Is there any way to pass the selection criteria to a report? Answer: Yes, there

Question: I believe there is a JavaScript function: ‘ShowDocument(URL,targetFrame)’ Is there a way to replicate this in Java? I realize that in the future the solution may materialize when a

Question: I have a note section on my Web page. I would like to be ableto click a radio button, and a small window with the note inside it wouldpop

Question: I’ve noticed that I cannot get any values returned to my Power Objects application from a PL/SQL block. How can I get around this? Answer: The inability to get

Question: I would like to have a simple application that exists as its own form, without being in the standard MDI frame for OPO applications. Is this possible? Answer: Right

Question: Is there a utility or a routine that will allow comma-separated flat files to be imported into Blaze? I don’t want to spend too much money. Answer: There is

Question: I have made the poplist readonly to avoid activating it whenclicking, but apparently the DoubleClick() method doesn’t fire atall. How do I catch the double-click? Answer: The DoubleClick() method

Question: My application is working with a fairly large database. Althoughusers will never be allowed to request all of the data, differentselection conditions may return wildly varying amounts of data.

Question: I noticed that there are 3 different types of connect properties for a session. What’s the difference? Answer: Every session has three different connect properties that are used at

Question: If I have: class point { double x,y; } & import point; class test { public static void main(String args[]) { point[] P = new point[10]; P[0].x = 5;

Question: I have been trying to connect to Personal Oracle 7 on the Macintosh. I can connect from the DBA applications, but cannot connect from Power Objects. Can you give

Question: How do I eliminate the toolbar for a form? Answer: To eliminate the toolbar from displaying for a particular form, add the code: Self.SetToolbar(NULL) to the InitializeWindow() method for

Question: I have a very large table that contains thousands of rows. I want to let a user insert new rows into it on a particular form without having to

Question: on a form based on the selection. I tried this two ways: 1) Using the validate method. This worked when the value was changed but not when scrolling through

Question: I’m using an evaluation copy of OPO for the Mac. After I create a table, I go into the table structure window to try and change the table structure

Question: I am 14 years old and a new Java programmer. I would like to know the difference betweenan instance and an object.I am learning Java from the book Teach

Question: I have two applets running on the same page, one in each of two frames. I want them to communicate, but when I do a getAppletContext.getApplet() call, the second

Question: I mainly do database applications and I am currently working on a project that will become very big. I have been trying to find any references to comparisons between

Question: When I attempt to preview a report in OPO under Windows95, I get an error: WFW-03049: Internal buffer too small for printer port name Is this an OPO or

Question: I’m building some process control software and I need to addlabels, such as Upper Control Limit (UCL), into my chart. Answer: The graph control was added to PowerBuilder in

Question: How can code in one frame construct an object whose constructor is declared in another frame? For example, new parent.SomeObject(); does not seem to work. Why? Answer: Good question!

Question: I know I can’t read files from a local machine through my browser, but I can’t seem to read a file off my originating server either. There’s a way

Question: I have this declaration in init: pushButton1 = new Button(“0”). In the action class I try to increase the value from 0 through 9 every time I click the

Question: Is it possible to pass a method to another class,so that method can be called by that class at a later date?For example, in C you can pass an

Question: What is the difference between the types’float’ and ‘Float’ in Java? Answer: A variable of type float contains an IEEE single precision number,while a variable of type Float contains