Re: odd problem with NSMutableDictionary and initWithContentsOfFile
Re: odd problem with NSMutableDictionary and initWithContentsOfFile
- Subject: Re: odd problem with NSMutableDictionary and initWithContentsOfFile
- From: Jens Alfke <email@hidden>
- Date: Thu, 29 May 2008 07:47:38 -0700
On 29 May '08, at 6:41 AM, Leslie Smith wrote:
I found out what I was doing wrong: rather than
[SimParamnames initWithContentsOfFile: aFile];
I should have had
SimParamnames = [SimParamnames initWithContentsOfFile: aFile];
No. As two people have said already, *you can't initialize an object
more than once*. The only time an init method is to be called is right
after -alloc, when the object is first created. Calling it again will
unexpectedly reset part of the object's state, and probably mess it up.
What you should do instead of the above line is
[SimParamnames release]; // to get rid of the old object
SimParamnames = [[NSDictionary alloc] initWithContentsOfFile:
aFile]; // new object
—Jens
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