On 03/01/2011, at 10:17 AM, Brian Durocher wrote:
> This line of code seems to work for exactly what I was looking for:
>
>temp = [[temp stringByAppendingFormat:@" %@ %@ \n", input1, input2]
> retain];
Except it's quite wrong from a memory management point of view.
As well as the excellen
On Jan 2, 2011, at 6:10 PM, Stephen J. Butler wrote:
> - Charles asks 'why the @""' and I can answer that question: because
> you couldn't figure out another way to call stringByAppendingFormat:
> could you? The answer is that in this case you should be calling
> +[NSString stringWithFormat:]. How
On Sun, Jan 2, 2011 at 5:17 PM, Brian Durocher wrote:
> #import
>
> @interface Calculator : NSObject
> {
> double accumulator;
> NSString* caption;
> NSString* name;
> NSString* temp;
> }
>
> - (id) init;
> - (void) setAccumulator:(double) n;
> - (void) printAccumulator;
>
> - (NSStri
On Jan 2, 2011, at 5:17 PM, Brian Durocher wrote:
> Thank you guys for your assistance. I come from a C++ background and
> have done embedded design in ASM. But this way of working and
> particularly the framework is very new to me. I understand what you are
> saying, but the literature I am readi
On Jan 2, 2011, at 5:17 PM, Brian Durocher wrote:
> - (void) setCaption: (NSString*)input
> {
>[caption autorelease];
>caption = [input retain];
> }
For this (and for the rest of the NSString ivars), it’s generally better to use
-copy rather than -retain. The reason for this is that it i
