8  comparing values in objective c with an if statement

... NSConstantString @”Constant string” Space for constant strings is allocated differently in memory than for other objects Constant strings have no reference-counting mechanism because they can ... for built -in classes and classes for which you write your encoding and decoding methods according to the NSCoding protocol If your instance contains some basic data types, such as integers or ... http://www.simpopdf.com 440 Chapter 19 Archiving Writing Encoding and Decoding Methods Basic Objective- C class objects such as NSString, NSArray, NSDictionary, NSSet, NSDate, NSNumber, and NSData can be archived...

Ngày tải lên: 12/08/2014, 23:22

... we need to cover the steps involved in compiling and running it.You can both compile and run your program using Xcode, or you can use the Clang Objective- C compiler in a Terminal window Let’s ... object-oriented parlance, your particular car is an instance of a car Continuing with the terminology, car is the name of the class from which this instance was created So each time a new car ... instance or object contains not only information about its initial characteristics acquired from the factory, but also its current characteristics.Those characteristics can change dynamically.As...

Ngày tải lên: 18/02/2014, 12:20

... we need to cover the steps involved in compiling and running it.You can both compile and run your program using Xcode, or you can use the Clang Objective- C compiler in a Terminal window Let’s ... object-oriented parlance, your particular car is an instance of a car Continuing with the terminology, car is the name of the class from which this instance was created So each time a new car ... instance or object contains not only information about its initial characteristics acquired from the factory, but also its current characteristics.Those characteristics can change dynamically.As...

Ngày tải lên: 29/04/2014, 15:25

... most fractures after an amputation, except displaced intertrochanteric and cervical fractures that require surgical fixation In our case, the fracture did not unite, necessitating surgical intervention ... of hip fractures in this population Denton and McClelland[4] stated that incidence of femur and hip fractures in both above and below knee amputees There is significant bone mass reduction of ... biomedical community peer reviewed and published immediately upon acceptance cited in PubMed and archived on PubMed Central yours — you keep the copyright BioMedcentral Submit your manuscript...

Ngày tải lên: 20/06/2014, 04:20

... basic diet and tap water a ; significant difference against that of control(p

Ngày tải lên: 07/08/2014, 14:23

... of animal species [2] Along with severe decrease of leukocyte and lymphocyte counts, each number of MHC class II, CD1 CD2, CD4, CD8 antigen positive cells and CD4+CD8+ double positive cells and ... T-1 T-2 T-3 Con T-1 T-2 T-3 Con T-1 T-2 T-3 Con T-1 T-2 T-3 Con T-1 T-2 T-3 Con T-1 T-2 T-3 Con All pigs were vaccinated ... infection [6] Before vaccination pigs were variable in the level of antibody titers against hog cholera virus (

Ngày tải lên: 07/08/2014, 15:20

... the injection sites were not successful in resolving the reaction Local factors, such as poor injection technique, misuse of the insulin injector, incorrect use of local disinfectants, or contact ... protamine) Lantus© (insulin glargine, m-cresol, glycerol) Actrapid penfill© (human insulin, m-cresol, glycerol) Insuman rapid© (human insulin, m-cresol) Berlinsulin H normal© (human insulin, phenol, ... reported using a continuous subcutaneous pump infusion of insulin [8-10], switching from human insulin to insulin aspart or lispro [11,12], or in severe cases, by pancreas transplantation [13,14] In...

Ngày tải lên: 11/08/2014, 21:22

... parlance, your car is an instance of a car Continuing with the terminology, car is the name of the class from which this instance was created So each time a new car is manufactured, a new instance from ... Frank’s www.cocoadev.com Web site, a technical reviewer for numerous books and magazine articles, and an occasional dabbler in Mac OS X open source projects Currently, he is using Objective- C and ... unique occurrence of a class is an instance, and the actions that are performed on the instance are called methods In some cases, a method can be applied to an instance of the class or to the class...

Ngày tải lên: 12/08/2014, 23:22

... Calculator *deskCalc; deskCalc = [[Calculator alloc] init]; [deskCalc clear]; [deskCalc setAccumulator: 100.0]; [deskCalc add: 200.]; [deskCalc divide: 15.0]; [deskCalc subtract: 10.0]; [deskCalc multiply: ... of an int called w1 to 0, you can AND w1 with an int consisting of all 1s except for a single in the rightmost bit So a statement in C such as this one works fine on machines on which an integer ... number zero Do not confuse a character constant, which is a single character enclosed in single quotes, with a C- style character string, which is any number of characters enclosed in double quotes.As...

Ngày tải lên: 12/08/2014, 23:22

... NSArray class contains the following six initialization methods: initWithArray: initWithArray:copyItems: initWithContentsOfFile: initWithContentsOfURL: initWithObjects: initWithObjects:count: An array ... defined for the class So any instance method can access its instance variables directly by name, without having to anything special You also know that instance variables are inherited by a subclass ... subclass Inherited instance variables can also be accessed directly by name from within any method defined in that subclass.Again, this is without having to anything special You can put four directives...

Ngày tải lên: 12/08/2014, 23:22

... #define NS_INLINE static #elif defined( WIN32 ) #define NS_INLINE static #endif #endif inline_attribute_((always_inline)) defined( cplusplus) inline inline inline Simpo PDF Merge and Split ... particular compiler that is being used: #if !defined(NS_INLINE) #if defined( GNUC ) #define NS_INLINE static #elif defined( MWERKS ) || #define NS_INLINE static #elif defined(_MSC_VER) #define ... Notice that the protocol doesn’t reference any classes; it s classless.Any class can conform to the Drawing protocol, not just subclasses of GraphicObject You can check to see whether an object conforms...

Ngày tải lên: 12/08/2014, 23:22

... pointers in Objective- C Pointers and Arrays If you have an array of 100 integers called values, you can define a pointer called valuesPtr, which you can use to access the integers contained in ... between Objective- C and C Fact #1: Instance Variables are Stored in Structures When you define a new class and its instance variables, those instance variables are actually stored inside a structure.That’s ... NSString objects consist of unichar characters.A unichar character is a multibyte character according to the Unicode standard.This enables you to work with character sets that can contain literally...

Ngày tải lên: 12/08/2014, 23:22

... for an object to take ownership with respect to the Rectangle class owning its origin object in Chapter 8,“Inheritance.” Defining the two methods in the following way would also be an incorrect ... @”jbaker@kochan-wood.com”; AddressCard *card1 = [[AddressCard alloc] init]; AddressCard *card2 = [[AddressCard alloc] init]; AddressCard *card3 = [[AddressCard alloc] init]; AddressCard *card4 = ... ======== Contents of: Linda’s Address Book ========= Julia Kochan jewls337@axlc.com Tony Iannino tony.iannino@techfitness.com Stephen Kochan steve@kochan-wood.com Jamie Baker jbaker@kochan-wood.com...

Ngày tải lên: 12/08/2014, 23:22

... “pointer to wchar_t,” where wchar_t is defined in Constant Character String Objects A constant character string object can be created by placing an @ character in front of a constant ... implementation-defined.A universal character can be used in a character constant to specify a character not included in the standard character set Escape Sequences Special escape sequences are recognized and ... presumably contain special preprocessor statements Common uses are for defining macros with #define, including other source files with #import and #include, and conditionally including source lines with...

Ngày tải lên: 12/08/2014, 23:22

... Definition A class definition consists of declaring the instance variables and methods in an interface section and defining the code for each method in an implementation section Interface Section ... @protected By instance methods in the class, instance methods in subclasses, and instance methods in category extensions to the class This is the default @private By instance methods in the class and ... either in the interface section that explicitly defines the variable or in categories created for the class Inherited instance variables can also be accessed directly without any special declarations...

Ngày tải lên: 12/08/2014, 23:22

... non-linear function f Coriolis coefficient G , G coefficients transforming orthogonal curvilinear co-ordinates to Cartesian rectangular coordinates GT () mapping function in MLM g () non-linear ... to work with other researchers in Singapore-Delft Water Alliance It is with his invaluable advice, continuous support, and crucial encouragement that I can tackle various challenges and achieve ... prediction and to analyze the influence of different predictors 6    Chapter Introduction (b) To enhance the application of LM and explore the potential of MLM in offering maintained forecast accuracy...

Ngày tải lên: 09/09/2015, 17:56

... of Labcenter Electronics Ltd Custom Computer Services Inc (www.ccsinfo.com) Custom Computer Services Inc specializes in compilers for PIC microcontrollers The main range comprises PCB compiler ... ● PIC development system (Microchip MPLAB) ● PIC C Compiler (Custom Computer Services CCS C) ● PIC programming and in- circuit testing (Microchip ICD2) www.n ewn es p res s c o m Ch01-H8960.indd ... Programming Language by Kernighan and Ritchie, second edition, incorporating ANSI C standards, published in 1983 A processor-specific compiler converts the standard syntax into the machine code...

Ngày tải lên: 06/03/2014, 17:20

... ordered in quantity for bulk purchases or special sales, which may include electronic versions and/or custom covers and content particular to your business, training goals, marketing focus, and branding ... Section 20.3) Using C+ + with Qt comes close to (and sometimes exceeds) Java in ease of use, comprehensiveness, and convenience It significantly exceeds Java in the areas of speed and efficiency, ... your code In this example, http://www.gnu.org/software/gcc/onlinedocs/ Discussed in Section C. 2 www.it-ebooks.info Chapter C+ + Introduction the included header output contains the Standard...

Ngày tải lên: 24/03/2014, 01:21