objective c and cocoa applications

... 2Cocoa and Objective-C CookbookMove beyond basic Cocoa development using over 70 simple and effective recipes for Mac OS X development Jeff Hawkins BIRMINGHAM - MUMBAI Trang 3Cocoa and Objective-C ... books Why subscribe? Fully searchable across every book published by Packt Copy and paste, print, and bookmark content On demand and accessible via web browser Free access for Packt account holders ... motion. Chapter 5, Objective-C 2.0 introduces the new LLVM compiler and enabling garbage collection Chapter 6, Application Architecture covers the most common patterns used in application design and

Ngày tải lên: 17/04/2017, 10:06

... value coding, which is a specific pattern typically used in Cocoa Binding The subtle catch is that NSDictionary usually just turns a call to valueForKey: into a call to objectForKey, and it ... information TableViewCells have a lot of built-in functionality—we’re just scratching the surface Adding a disclosure indicator is simply a matter of telling the cell what type of accessory icon it should ... DrinkMixer and the feedback, and figure out what you’ll do next. What would address the users’ concerns? Trang 25App Layout ConstructionWhich interface is better? Why? (Be specific.) Why not

Ngày tải lên: 14/08/2014, 20:21

... NSNotification object Each notification comes with a notification object. Notification userInfo objects are dictionaries with notification-specific information in them. The notification object contains ... UIScrollView can figure out everything else from there Content view Scroll View Elements (buttons, etc.) Remember, in CocoaTouch, components are subclasses of UIView All a scroll view needs to care ... specific needs for your own, you can just use the default system-level one You can get a reference to the default one by calling: [[NSNotificationCenter defaultCenter]; With the notification center,

Ngày tải lên: 14/08/2014, 20:21

... subclasses of UITableViewController, so select “UIViewController subclass” and check UITableViewController subclass 1 Create your two new classes for the Fugitive and Captured views in Xcode, and ... 21Create two new classes with m, and h files.These will be the view controllers for the Fugitive List and the Captured List FugitiveListViewController.h and m and CapturedListViewController.h and ... NOT checked. Create your two new classes for the Fugitive and Captured view controllers in Xcode, and then add your tab bar controller in Interface Builder You don’t get the UITableViewController

Ngày tải lên: 14/08/2014, 20:21

... Since most Core Data applications want to read and write data, the template sets up our Core Data stack to read and write from the Documents directory An application can figure out where its local ... iPhone OS creates a directory under /User/Applications on the device using a unique identifier The application is installed into that directory, and a standard directory structure is created for ... (iBountyHunterAppDelegate*)[[UIApplication sharedApplication] delegate]; NSManagedObjectContext *managedObjectContext = appDelegate. managedObjectContext; NSFetchRequest *request = [[NSFetchRequest alloc] init]; NSEntityDescription

Ngày tải lên: 14/08/2014, 20:21

... [NSEntityDescription entityForName:@”Fugitive” inManagedObjectContext:managedObjectContext]; Since the NSFetchedResultsController can tell us when data changes, we only need t o actually fetch once ... (iBountyHunterAppDelegate*)[[UIApplication sharedApplication] delegate]; NSManagedObjectContext *managedObjectContext = appDelegate. managedObjectContext; NSFetchRequest *request = [[NSFetchRequest alloc] init]; NSEntityDescription ... and calculate the value using a custom getter added to your object model. ƒ NSFetchRequest can take an NSPredicate to filter data based on logical conditions ƒ You can express NSPredicate conditions

Ngày tải lên: 14/08/2014, 20:21

... position recorded (either intentionally or by accident) self.locationManager = [[CLLocationManager alloc] init]; self.locationManager.desiredAccuracy = kCLLocationAccuracyNearestTenMeters; self.locationManager.delegate ... separate class conforming to the protocol that has a reference to its Fugitive (composition) rather than adding code to the Fugitive class directly. (CLLocationCoordinate2D) coordinate { CLLocationCoordinate2D ... again and produce the new Fugitive class with the latitude and longitude fields We called them capturedlat and capturedlon and made them type “Double”. Trang 8location constructionlocation Construction

Ngày tải lên: 14/08/2014, 20:21

... on an arbitrary surface which can conform and reflect better the variation of bed surface; that is classified as class 9(c) in Section 1.1 1.3 Objectives of Study The objectives of this study ... Engineering, ASCE (accepted on May 12, 2006) 2 Anh T N and Hosoda T.: Oscillation induced by the centrifugal force in open channel flows over circular surface 7th International Conference on Hydroinformatics ... suggested me this research topic, and provided guidance, constant and kind advices, encouragement throughout the research, and above all, giving me a chance to study and work at a World-leading

Ngày tải lên: 06/11/2012, 10:35

... example: public class Account{ private double balance; private int numChecksProcessed; private CheckBook checkBook; public Account(){ balance = 0.0; numChecksProcessed = 0; checkBook = new CheckBook(); ... 254–257 collection, writing own,CD61–CD71 concrete, 295Console, 160constdata member, 111containing another class,108–109 converting into program,CD114–CD115 CustomException, CD14declaring abstract, ... with C#: Trang 2A C# class can inherit from a Visual Basic class and vice versa, and your gram can be a mixture of C# and Visual Basic modules (and, for that matter,pro-“managed” C++ and J# and

Ngày tải lên: 04/10/2013, 21:20

... value.for (j=1;j<=n;j++) { s=wi[j]; c=wr[j]; ss=s*cwtau-c*swtau; cc=c*cwtau+s*swtau; sums += ss*ss; sumc += cc*cc; yy=y[j]-ave; sumsy += yy*ss; sumcy += yy*cc; wr[j]=((wtemp=wr[j])*wpr[j]-wi[j]*wpi[j])+wr[j]; ... interval, whose reciprocal is the sampling rate. Recall also (§12.1) the significance of the Nyquist critical frequency f c ≡ 1 2∆ (13.8.2) 576 Chapter 13. Fourier and Spectral Applications Sample ... exceed the 50% significance level; that is about what one might expect by chance. It is also worth commenting on the fact that the significantpeak was found(correctly) above the Nyquistfrequencyand

Ngày tải lên: 17/10/2013, 22:15

... tiếp (interface)interface: interface đó Khai báo: Trang 8Giao tiếp (interface)– Một interface có thể là thành viên của một namespace hoặc một class – Interface có thể chứa các thành viên sau: Methods ... 5Thuộc tính (property)Thuộc tính Trang 6Lớp ObjectLà lớp cơ bản của NET, mặc định mọi lớp nếu không nói gì thì hiểu là kế thừa từ Object Các phương thức của Object objB) Trang 7Giao tiếp (interface)interface: ... xác định được thời điểm gọi. – Có thể sử dụng giao tiếp IDisposable. – Hay dùng khi giải phóng các tài nguyên khác bộ nhớ (kết nối CSDL, tập tin,…) Trang 12Cấu trúc (Structs)Cấu trúc (struct)

Ngày tải lên: 12/12/2013, 22:15

... hơn C# và kiên trúc NET C# cơ bản - Editor: Doan Quang Minh Trang 7NET Framework Classes Các lớp cơ bản được cung cập bởi Microsoft, cho phep thực thi hâu hết các tac vụ thường gặp — Các thủ ... lệnh | Web Forms: cach tiép can design cac trang web two’ng tu nhu design cac ung dung tren windows | Web Services: cung cap cac dich vu cho website C# và kiên trúc NET C# cơ bản - Editor: ... Trang 2Mlục lục 4 Môi quan hệ giữa C# và NET a The Common Language Runtime a Assemblies 34 Các ứng dụng sử dụng C# ø Nhắc lại kiên thức C# (cú pháp C++) căn bản C# và kiên trúc NET C# cơ bản

Ngày tải lên: 12/12/2013, 22:15

... The difference isn’t always this clear-cut, but that’s the basic distinction To keep things nice and uncomplicated, we’ll create a basic Cocoa application, so make sure the Cocoa Application template ... this: Code for House class: accessFoundationSpecifications { generic specification layout and design code here generic foundation code here house-specific code here } Code for ApartmentBlock class: ... accessFoundationSpecifications { generic specification layout and design code here generic foundation code here apartment-block-specific code here } Rather than having this duplicated generic...

Ngày tải lên: 22/03/2014, 15:20

... SDK Cocoa Touch Media Core Services Core OS Media Core Animation Open GL ES Core Graphics Core Audio iPhone SDK Cocoa Touch Media Core Services Core OS iPhone SDK Cocoa Touch Media Core Services ... About Objects, Inc All rights reserved worldwide 18 iPhone SDK Cocoa Touch Media Core Services Core OS iPhone SDK Cocoa Touch Media Core Services Core OS Core Services Core Foundation C Library ... Objective- C frameworks) Media Layer (C libraries and Objective- C frameworks) Cocoa (Mac OS) and Cocoa touch (iPhone OS) Foundation framework UI framework AppKit (Mac OS) UIKit (iPhone OS) © Copyright...

Ngày tải lên: 21/07/2014, 23:36

... again by choosing Help → Welcome to Xcode In the New Project window, click on Application under the Mac OS X section and select the Cocoa Application icon as shown in Figure 1-6 Click the Choose ... basic understanding of object-oriented concepts, it’s time to move on to Objective- C This chapter explains Objective- C s syntax for calling methods, defining classes, and creating objects Chapter ... Cocoa and Objective- C: Up and Running Download from Wow! eBook www.it-ebooks.info Download from Wow! eBook www.it-ebooks.info Cocoa and Objective- C: Up and...

Ngày tải lên: 05/05/2014, 13:22

... function to find the factorial of a number (factclasm .c) ;Factclasmfunc.sa Linear ASM function called from C to find factorial ref _factclasmfunc: cproc reg mv mv sub loop: [b] _factclasmfunc number ... application-speci c integrated circuit (ASIC) has a DSP core with customized circuitry for a speci c application A C6 x processor can be used as a standard general-purpose digital signal processor ... independent clocking and framing for receiving and transmitting, and direct interface to AC97 and IIS compliant devices It allows several data sizes between and 32 bits Clocking and framing associated...

Ngày tải lên: 17/10/2013, 19:15

... Program Calling ASM Function Using Circular Buffer (FIRcirc) The C program FIRcirc .c (Figure 4.33) calls the ASM function FIRcircfunc.asm (Figure 4.34), which implements an FIR lter using a circular ... species the lters characteristics This coefcient le, which contains 89 coefcients, represents an FIR bandstop (notch) lter centered at 2700 Hz The number of coefcients N is dened in the coefcient ... scrambling/descrambling scheme Interception of the speech signal can be made more difcult by changing the modulation frequency dynamically and including (or omitting) the carrier frequency according...

Ngày tải lên: 24/10/2013, 09:15

... Fast and efficient filter design and implementation on the TMS32 0C6 711 digital signal processor, International Conference on Acoustics Speech and Signal Processing (ICASSP), 2001 10 N Ahmed and ... forward filter’s characteristics are known This example can be extended so that the filter’s characteristics are unknown In such a case, the unknown forward filter’s coefficients, a’s and b’s, can be estimated ... the 7th Allerton Conference on Circuit and System Theory, 1969, pp 69–78 L B Lawrence and K V Mirna, A new and interesting class of limit cycles in recursive digital filters, Proceedings of the...

Ngày tải lên: 28/10/2013, 16:15

... signal It calls a generic FFT function in C, FFT .c (on the accompanying disk) This FFT function, used with the C3 1 DSK and the C3 0 EVM, is listed and described in Refs 13 and 14 The twiddle constants ... //same # of coeff for each filter //lowpass coeff //bandpass coeff //highpass coef //transform each band into frequency comm_intr(); //initialise DSK, codec, McBSP while(1) //frame processing infinite ... are the same as BP55.cof, with a center frequency at Fs/4, introduced in Example 4.4 The coefficient file coeffs.h also contains a set of coefficients identical to LP55.cof, which represents a lowpass...

Ngày tải lên: 07/11/2013, 10:15

... fclose (desired); fclose (Y_out); fclose (error); } FIGURE 7.6 Adaptive filter program compiled with Borland C/ C+ + (adaptc .c) Programming Examples for Noise Cancellation and System Identification ... wideband+interference //init DSK, codec, McBSP //infinite loop FIGURE 7.16 Adaptive predictor program for cancellation of narrowband interference in the presence of a wideband signal (adaptpredict .c) ... coefficients for a speci c time n The convolution equation (7.1) was implemented in Chapter in conjunction with FIR filtering It is common practice to use the terminology of weights w for the coefficients...

Ngày tải lên: 07/11/2013, 10:15