I am receiving a compiler warning: ³NSString may not respond to
characterAtIndex² from the following code.
This is from MathPaper Chapter 12 of Building Cocoa Apps. Any help is
appreciated.
Thanks.
- (void)appendString:(NSString *)string
{
int i;
for (i=0;i<[string length];i++) {
MathPaper project chapter 10 in Oreilly¹s ³Building Cocoa Applications²
fails with the following error:
³2008-12-20 11:23:59.664 MathPaper[517] *** -[NSCFDictionary
setObject:forKey:]: attempt to insert nil value²
Note that I am using Xcode 2.4.1. I also have the evaluator copied under
MathPaper
I have found a lot of Cocoa books and tutorials about writing applications.
I haven¹t found any instructions as to how to put that application into an
icon that can be run when clicked on your desktop or downloaded by others.
Please let me know if I¹ve missed it.
Thanks, Richard.
__
How does one get a boolean value from a dictionary object?
My XML dictionary contains the value under the given key.
Should this be retrieved as NSNumber or some other object?
I am trying to set the state of a checkbox button based on the value as
below:
// return syntax coloring swi
In Interface builder I have a TableView that I want to stay fixed in
relation to items above and below.
The table does not show any scroll bars until I resize the window and the
items above and below sometimes get overlaid.
How do I fix this in IB? I¹ve tried changing the size on NSScrollView in th
My program compiled and ran once. Appeared that possible run away where
table view was just being populated over and over again. I did a force quit.
Now I am getting a debug error of ³BAD_EXC_ACCESS². All that¹s displayed on
the debug screen is greek to me. How do I determine the error and correct?
How does one get plist data into an array to be displayed in a tableview?
Thanks, Richard.
___
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Newbie question:
How does one import an array of values from a dictionary (plist) and display
on a window?
It seems that the plist has to be translated to XML data and every byte read
into an array.
How does one then select just certain members where the plist contains an
array under a key?
I am tr
