learn objectivec on the mac 2nd edition pdf

... 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

... Trang 4The 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 ... Description ⌘ [ Shift the code block to the left ⌘ ] Shift the code block to the right Control- (period) Cycle through the completions Shift-control- (period) Cycle backward through the completions Control-/ ... 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 to the end of the line (continued) Trang 6 Table 7-1 (continued)Keystroke

Ngày tải lên: 12/08/2014, 20:22

... allocation and initialization in a single operation using a constructor Objective- C splits the two operations into explicit allocation and initialization stages A common beginner’s error is to use only ... 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 ... the controls decides to click the mouse or press a key When one of these events does hap-pen, the program wakes up and gets to work doing whatever is necessary to respond to the event After the

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

... 18When the preceding code is run, you get this:“union” part of the name refers to taking the union of a bunch of objects The “distinct” part of the name weeds out all of the duplicates There are ... attri-bute, the remaining part of the key path is sent to every object in the array OUT OF MANY, ONE Since you now know about to-many relationships, you’re probably wondering what a to-one relationship ... initialization of the cars array; we only create it when neces-sary -dealloc cleans up the name and the array, and -print walks through the array and prints out the cars We’ve also totally overhauled the

Ngày tải lên: 12/08/2014, 20:22

... a” relationship, 86using appropriately, 86 Connections panel, 260Console window, 7, 15CONTAINS operator, 305context pointers, 308continue button, 126convenience initializersadding to the Tire ... 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

... Proportion: A relationship of one portion to another or to the whole, or of one thing toanother A proportion is a ratio SELF-TEST 8: One hundred operations were performed this past month If 20 of thesewere ... A constant is something that assumes only one value; it is a value which is replaceable by one and only one number A constant is that which does not change and has one and only one value Aconstant ... Upon discharge, a note is often written on a patient’s medical record about thecondition of the patient at the time of discharge and whether the patient was dis-charged home in good condition,

Ngày tải lên: 06/03/2014, 07:20

... the meditations for the holy day of Aries The universal focus for that time... the other realms The season of advent represents the steps on the initiatory path to become one ... additions to your meditations My limitless admiration goes to my earthly teachers and to my teachers on the other side of the “veil.” iv TABLE OF CONTENTS INTRODUCTION vii CHAPTER ONE ... for an under7 CHRISTMAS MEDITATIONS ON THE TWELVE HOLY DAYS standing of the nature and laws of God the Father, God the Mother, God the Son or Daughter, whom we are growing

Ngày tải lên: 06/03/2014, 09:21

... than the other parts. The parts of the optic nerve on which the image of the frame falls, are covered by the wood-work from the action of the light; the excitability of these portions of the nerve ... depending upon one simple law, the action of the exciting powers on the excitability. I cannot express my admiration of the wisdom of the creator better than in the words of Thomson. 'O ... act upon each other, no other than mechanical, or chemical effects are produced; that is, either motion, or the decomposition, and new combination of their parts. If one ball strike another,

Ngày tải lên: 06/03/2014, 20:20

... carry—crossed the lake on the ice the same afternoon, carrying the heads of the two Europeans with them—one of which they... and soon after an Indian was seen walking in the direction ... further, and with one of his men took leave, directing the other two to go on with Mr. Buchan. They did so, until they came near the place to which they were to be conducted, when one of them ... whether in person or disposition, which characterises the Americans, bears some resemblance to the rude tribes scattered over the northeast of Asia, but almost none to the nations settled on the

Ngày tải lên: 22/03/2014, 22:20

... administration facilities Block E for conversion to Child Studies with a disabled access to all 3 floors. Siteworks include the consolidation of existing educational precincts of the Campus and the construction ... held on the south coast of NSW and the cover graphics make use of the dramatic local landscape. PIA NSW DIVISION CONFERENCE Wollongong, NSW 14-16 November 2004 Managing change Imagining the Future ... 520 684 Conference flyer This peak mining body holds annual conferences to inform their members of the latest developments and issues confronting their industry The project required the design

Ngày tải lên: 31/03/2014, 15:20

... attempt to get donors who were early in their illness, "A few of the donors were in the first day of the disease Others were in the second or third day of the disease." "Then we proceeded ... demonstrable seasonal variations, population variations, and a mechanism of action To make sense of influenza's epidemiology, we revise Hope-Simpson theory, hypothesizing marked variation in the ... epidemiological contradictions When seasonal and population variations in innate immunity are considered in context with the novelty, transmissibil-ity, and virulence of the attacking virus, the conundrums

Ngày tải lên: 20/06/2014, 01:20

... and the periodicity of the positive solutions of the equation p xn a xn−1 p xn , n 0, 1, , 1.2 Advances in Difference Equations where a, p are positive constants, and the initial conditions ... positive constants and the initial conditions x−1 , x0 are positive numbers Motivating by the above papers, we study now the boundedness, the persistence, the existence of unbounded solutions, the ... paper we study the boundedness, the persistence, the attractivity and the stability of the p q α xn−1 /xn , n 0, 1, , where positive solutions of the nonlinear difference equation xn α, p, q

Ngày tải lên: 21/06/2014, 20:20

... tracking the signal subspace recursively It is based on an interpretation of the signal subspace as the solution of a constrained minimization task This algorithm, referred to as the constrained ... division multiple access (CDMA) systems The conventional methods for extracting the desired infor-mation about the signal and noise subspaces are achieved by either the eigenvalue decomposition ... decomposition (EVD) of the covariance data matrix or the singular value decomposition (SVD) of the data matrix However, the main drawback of these conventional decompositions is their inherent complexity

Ngày tải lên: 21/06/2014, 22:20

... [17] the connections to the (modified) classical Yang-Baxter relation are studied In Kreimer’s work [19, 20] the connection of the Rota-Baxter relation to the Riemann-Hilbert problem in the realm ... ∗On leave from Bonn University, Phys Inst., Theory Dept This work was done when the author was visiting the Center for Mathematical Physics at Boston University, 111 Cummington Street, Boston, ... Nijenhuis algebra, thereby giving an explicit construction of the latter This section closes with a remark concerning the connection to Loday-type algebras Throughout this paper, we will consider K to

Ngày tải lên: 07/08/2014, 08:20

... the aExpenseweb role It contains the connection strings that the role will use to access storage and details of the certificates used by the application The application uses the DataConnectionString ... application The biggest changes to the application that the team identified were in the authentication and authorization functionality The Adatum team decided to modify the application to use ... authenticates the application user The aExpense application uses the claim data for the duration of the session and does not need to store it The external issuer delivers the claim data to the aExpense

Ngày tải lên: 20/10/2014, 14:29

... Thebes to a new location c He limited the priesthood to only twelve members d He abolished the pantheon of Egyptian gods and established a monotheistic religion 44 By what name do we know the ... Knossos c the ancient city of Troy d the palace of Theramos at Akrotiri 23 During the action of the Iliad, who is considered the greatest warrior among the Greeks battling against the Trojans? ... fertility c Anu, the father of the gods d Sin, the god of the moon Trang 826 Which of the following pairs correctly identifies the subjects illustrated in the two main panels of the rectangular

Ngày tải lên: 19/10/2017, 16:28

... 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 ... components, you’re probably better not changing the fonts at all. Consistent font usage is an important part of the GUI consistency that the Mac is known for. Most labels, buttons, and other controls ... 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

... 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 ... of the = operator by adding the numbers 5 and 3 together. Once that’s done, the resulting value (8) is assigned to the variable on the left side of the = operator. This statement assigns the...

Ngày tải lên: 24/03/2014, 00:21