Objective-C (Developer Reference)
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10 recensioni
5 di 5 persone hanno trovato utile la seguente recensione
5.0 su 5 stelle
Couldn't stop reading
18 maggio 2011
Di H. Sverrisson
- Pubblicato su Amazon.com
Formato:Brossura
I couldn't put the book down until I had finished. Finally I have found a book that explains Objective-C and teaches us topics beyond the basics. There are some minor errors but there is an errata on the book's website. This book is interesting because it is not shy of discussing advanced topics and explaining what and why this is done this way. I also like to get the historical background to further my understanding of concepts and traditions. The book covers the new and advanced subjects of blocks and Grand Central Dispatch. But what is most important is that it is a joy to read!
11 di 14 persone hanno trovato utile la seguente recensione
3.0 su 5 stelle
Needs editing and technical review
23 febbraio 2011
Di C. A. Ritchie
- Pubblicato su Amazon.com
Formato:Brossura|Acquisto verificato Amazon
I am about 90 pages into the book and have found a couple of errors. Page 11 shows a GNUStep web page labeled as the Main Xcode window. Examples of initializers covered in chapter 3 go against everything else I've read about the subject. The author states that designated initializers "typically take the fewest number of arguments of all your initializers, and is the final initializer that all your other initializers will call to set up the initial state of your object." This goes against Apple's own documentation which states the exact opposite... the designated initializer is usually the initializer with the most parameters and the initialization "train" ends with it. And I'm no Objective-C expert but listing 3.6 seems to create a memory leak if the initWithArray: initializer is used.
This book will need a second edition fairly quickly when Xcode 4 is released to the general public as all the screen shots will be out of date.
This book will need a second edition fairly quickly when Xcode 4 is released to the general public as all the screen shots will be out of date.
3 di 3 persone hanno trovato utile la seguente recensione
2.0 su 5 stelle
chatty, buggy, could use more proof reading
11 luglio 2011
Di David Meiri
- Pubblicato su Amazon.com
Formato:Brossura|Acquisto verificato Amazon
As someone who's fluent in C and C++ I thought that Objective C will be easy to learn. It should be - but not with this book. The writing style is more "stream of consciousness" than an organized introduction. There are many mistakes, including a missing diagram, typos, weird grammar etc. A lot of space is devoted to explain the obvious, while novel concepts are glanced over or ignored. A whole section starts with something like "this is not really important now but let me spend some time telling you about something you don't really need". It uses an older version of XCODE, making it difficult to follow the example on your iMac.
I don't know if there's a better book, but this one is definitely disappointing. The information is inside it, and if you're willing to go through the trouble you'll find it, but the book could be 10 times better is they spent another month proof reading it and editing the rambling text.
I don't know if there's a better book, but this one is definitely disappointing. The information is inside it, and if you're willing to go through the trouble you'll find it, but the book could be 10 times better is they spent another month proof reading it and editing the rambling text.
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