learn cocoa on the mac 2nd edition

... Xcode, the Mac development environment, and you’ll learn about Apple’s Cocoa toolkit. Nearly everyone wants to be able to develop for Mac OS X or the iPhone these days, and it’s no wonder. The Mac ... PANTONE 123 C SPOT MATTE Dalrymple Knaster Learn Objective-C on the Mac Companion eBook Available More advanced Mac and iPhone development [...]... elcome to Learn Objective- C on the ... language.) The main.m file contains two lines of code that should be... your next step along the road to becoming a Cocoa guru is to master Cocoa’s Application Kit, which contains Cocoa’s high-level

Ngày tải lên: 12/08/2014, 20:22

... 2: Extensions to C 17 The if statement in the middle of the function should come as no surprise. It just compares yesNo to the constant NO, and returns @"NO" if they match. Otherwise, ... that you can look in the phone book to find it. Using the phone book like this is a form of indirection. Indirection can also mean that you ask another person to do something rather than doing it ... code... the data Functions are the center of the procedural programming experience: you decide which functions you want to use, and then you call those functions, passing in the data they

Ngày tải lên: 12/08/2014, 20:22

... the message to the class’s superclass If it’s not defined there, Objective- C continues looking up the inheritance chain in the usual fashion Figure 4-8 shows the flow of execution ... or you can construct a string that describes all sorts of information about the object, such as the fat content and calories for the cheese Danish The description method for Cocoa’s NSArray ... manipulate the object’s data. The implementation for the methods and a template for the object’s data are defined by the object’s class. You create a new object by sending the new message to the class.

Ngày tải lên: 12/08/2014, 20:22

... Organization88 The other part of a class’s source is the implementation. The @implementation section tells the Objective- C compiler how to make the class actually work. This section contains the ... backward Don’t worry if you don’t catch all the shortcuts as we go along There’s... icon opens the counterpart for this file, just like the shortcut ⌘⌥↑ The last icon on the row, the ... below the lock, at the top of the scrollbar, is the split button Click it to split the. .. arrow) ■ control-T: Transpose (swap) the characters on either side of the cursor ■ control-D:

Ngày tải lên: 12/08/2014, 20:22

... Move the cursor backward Control-P Move the cursor to the previous line Control-N Move the cursor to the next line Control-A Move the cursor to the beginning of the line Control-E Move the cursor ... Xcode128 The last button is step out (press ⌘⇧T), which will let the current function finish and then return control to you on the next line of the calling function. If you’re following along, don’t ... completions Shift-control (period) Cycle backward through the completions Control-/ Move to the next completion placeholder Command-control-S Make a snapshot Control-F Move the cursor forward Control-B

Ngày tải lên: 12/08/2014, 20:22

... Management168 The code that uses the description could hang onto the string in a variable and then release it when finished, but that makes using the descriptions extremely inconvenient. What ... message to all of the objects it contains? For that matter, when does a pool get created in the first place? In the Foundation tools we’ve been using, the creation and destruction of the pool has ... management conventions. They’re pretty simple rules, and they’re applied consistently throughout the toolkit. NOTE Forgetting these rules is a common mistake, as is trying to make them too complicated.

Ngày tải lên: 12/08/2014, 20:22

... retain (own) the engine but not the other way around. The engine should not retain the car it has been installed in. If the car retains the engine, and the engine retains the car, then neither refer- ... releases the Engine. They just sit there, staring at each other, waiting for the other to blink. The general rule is that the owner object retains the ownee object, and not the other way around. ... parentheses... bit Categories have two limitations The first is that you can’t add new instance variables to a class There’s nowhere to put them The second limitation concerns name collisions,

Ngày tải lên: 12/08/2014, 20:22

... Introduction to the AppKit Figure 14-20 Connecting the UpperCase button Figure 14-21 Make the connection (again) 261 262 CHAPTER 14: Introduction to the AppKit Finally, we make the last connection ... the buttons to actions so they’ll trigger our code We’ll control-drag again to make our love connections, this time from the button to the AppController NOTE Knowing which way... make the ... from the button to AppController Control-click the UpperCase button, and drag a wire to AppController, as shown in Figure 14-20 One you’ve drawn the wire from the button to AppController,

Ngày tải lên: 12/08/2014, 20:22

... distinctUnionOfObjects", does just what it says It applies the same logic as the other operators: it takes the collection specified on the left and uses the key path on the right ... that collection, then turns the resulting values into a collection The “union” part of the name refers to taking the union of a bunch of objects The “distinct” part of the name... ... introduction for a class Here, @count tells the KVC machinery to take the count of the result of the left-hand part of the key path We can also get the sum... your collection with the

Ngày tải lên: 12/08/2014, 20:22

... connecting AppController to the user interface controls, 252 connecting the UpperCase and LowerCase buttons to the AppController, 260 Connections panel, 260 creating the. .. placeholders, 108 ... thought on whether this is a good idea. One camp says that redeclaring pro- vides information to the reader about which changes the class makes to its superclasses, while the other faction says ... fit in seamlessly with the platform. To have the compiler treat your code as Objective-C++, use the .mm file extension on your source. The .M extension also works, but the Mac’s HFS+ file system

Ngày tải lên: 12/08/2014, 20:22

... the application The application uses the DataConnectionString to connect to the Windows Azure storage holding the profile data, and uses the DiagnosticsConnectionString to connect ... the ClaimsPrincipal object so that the application... defines the aExpenseweb role It contains the connection strings that the role will use to access storage and details of the ... is dormant the rest of the time If these applications were located in the cloud, it would be easy to scale them depending on the demand Another goal is to expand the ways that

Ngày tải lên: 20/10/2014, 14:29

... considered the centerpiece? a the Propylaia b the Parthenon c the Erechtheion d the Temple of Athena Nike Answer: b page 60 44 On the Athenian Acropolis, which of the following served as a monumental ... undergoes the catharsis (the cleansing, purification, or purgation of the soul)? a the protagonist b the antagonist c the chorus d the audience Answer: d page 73 Essay Questions 54 Consider the reconstruction ... the complex? a the Propylaia b the Parthenon c the Erechtheion d the Temple of Athena Nike Answer: a page 61 45 Which of the following is NOT included among those illustrated in the metopes on

Ngày tải lên: 19/10/2017, 16:28

... decision affecting the rights of the persons or businesses before the court Corporations are subject to in personam jurisdiction in three locations: the state of their incorporation, the location ... the pleadings, the judge determines that the only reasonable decision is in favor of the moving party A Motion for judgment on the pleadings B Motion for summary judgment C Motion for sanctions ... complaint (p 27) The complaint states the names of the parties to the action, the basis for the court's subject-matter jurisdiction, the facts on which the plaintiff bases the claim, and the relief

Ngày tải lên: 24/10/2017, 14:35

... regulation D consumer protection policies 38 If the quantity demanded increases sharply when the price drops, this illustrates what principle? A The law of supply B The law of demand C The law of the ... gallon? A The quantity demanded would increase B There would be no effect on demand C The quantity demanded would decrease D Automakers would increase production 32 In economics, satiation means ... eventually the marginal value of the good consumed increases B that you are full C eventually the marginal value of the good consumed decreases D that the market price has been attained 33 In contrast

Ngày tải lên: 24/10/2017, 14:40

... Check out Learn C on the Mac, 4th Edition, written by our good friend Dave Mark (www.apress.com/9781430218098). New to Objective-C? Check out Learn Objective-C on the Mac, 2nd Edition, an excellent ... to annotate them. For now, just leave this the way that Xcode generated it. You can read more about the new Objective-C properties in the second edition of Learn Objective-C on the Mac, by Mark ... just the way we like, we’ll put some finishing touches to our application, then run it. We’re almost there! Creating the Application Icon One thing that all applications need is an icon. Mac...

Ngày tải lên: 05/05/2014, 14:42

... Actions! (and Outlets, Too) 47 Once the button is in the right location, release the mouse, and you’ll have a button on your window. Double-click the button now, which will allow you to edit the ... that button to the Buttons_App… icon in the nib’s main window. When you release the mouse button, another grey popup menu should appear. Because our controller class has only one action, a popup ... button over, and use the bottom blue guideline to place the button the correct distance from the bottom of the window. Try and place it roughly in the horizontal center of the window, but don’t...

Ngày tải lên: 24/03/2014, 00:21

... button, Step Out. Stepping Out of a Function The Step Out button is the complement to the Step Into button. The Step Out button tells the debugger to ‘‘let the program execute the rest of the ... myInt. The one important rule for the assignment operator is that the thing on the left side of the = must be a variable that can hold the value of whatever is on the right side of the =. In ... applications designed to run on mobile devices running iOS. Learn C on the Mac is the beginning of a series of books that will teach you how to build professional Mac and iOS applications. Once...

Ngày tải lên: 24/03/2014, 00:21

... by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on ... exclusive use by the purchaser of the work. Duplication of this publication or parts thereof is permitted only under the provisions of the Copyright Law of the Publisher's location, in its current ... 150 Everyone into the Pool! 150 The Eve of Our Destruction 151 Pools in Action 152 The Rules of Cocoa Memory Management 154 Transient Objects 155 Hanging on to Objects 156 Take Out Those Papers and the...

Ngày tải lên: 24/04/2014, 10:06

... layers beneath the user interface, such as data structures and communication mechanisms. All the programs in this book are based on the Foundation framework. Learn Objective-C on the Mac Copyright ... bring up the Console window to see the output, by choosing Console from the Run menu, or using the keyboard shortcut ⌘⇧ R. In the Run Debugger Console window, you should see output like the following: 2008-07-20 ... Extensions to C 17 The if statement in the middle of the function should come as no surprise. It just compares yesNo to the constant NO , and returns @"NO" if they match. Otherwise,...

Ngày tải lên: 07/12/2012, 15:47

... from the Mac App Store. To get there, click the App Store icon in the dock (see Figure 1-1), or find the App Store in the Applications folder. In the Mac App Store, click in the search box in the ... no colons. The declaration of setBounds: is exactly the same as the one for setFillColor:, except that the type of the argument is ShapeRect rather than ShapeColor. The last line tells the compiler ... are based on the Foundation framework. Note Once you finish this book, your next step along the road to becoming a Cocoa guru is to master Cocoa s Application Kit, which contains Cocoa s high-level...

Ngày tải lên: 06/03/2014, 03:20