... language) 2. Object-oriented programming (Computer science) 3. Macintosh (Computer) Programming. 4. iPhone (Smartphone )Programming. I. Title. QA76.73.O11 5C5 8 20 11 00 5.1'17dc 22 201 001 93 60 Copyright ... Objective- C 19111 Categories, Extensions, and Security 21 3 12 Properties 22 913 Protocols 24 9III: Advanced Concepts 26 514 Reference Counting 26 715 Garbage Collection 29 116 Blocks 309 Download ... Objects,” covers defining classes, and creating and copying object instances. It also covers inheritance, the process of defining a class by ex te nd-ing an existing class, rather than starting...
... of programmingin Objective- C rests on the extensive frameworks that are available.Chapter 2, Programmingin Objective- C, ” begins by teaching you how to write yourfirst program in Objective- C. Because ... and Methods 27 What Is an Object, Anyway? 27 Instances and Methods 28 An Objective- C Class for Working with Fractions 30 The @interface Section 33Choosing Names 34Class and Instance Methods ... two lines in main both declare the variables ptg999 22 Chapter 2Programmingin Objective- C If you’re using Xcode and you glance back to your output window (refer to Figure 2. 9), you’ll recall...
... DeepCopy dc1 = new DeepCopy(v2);47 DeepCopy dc2 = (DeepCopy)dc1.Clone();48 v2.Inc();49 50 Console.WriteLine("dc1.ToString = {0} ", dc1.ToString());51 Console.WriteLine("dc2.ToString ... reference to object v2. In cloning dc1 into dc2 (line 47), a temporary objectreference clone of type DeepCopy is first initialized to a shallow copy of the current objectdc1 (line 23 ). On line 24 , ... none string Converts all of the characters to lowercase.IndexOf int c int Returns index of the 1st occurrence of the character c. IndexOf string s int Returns index of the 1st occurrence of the...
... Windows 20 00 . You can also get WDM drivers from the sound card or chip maker.DirectMusic Accelerating cards with WDM driversYamaha DS1 Others coming soonShipping in Windows 20 00 . You can ... running the tests listed in the Single Device Testing and Stress Testing section above. INstall each device’s drivers and attach in typical configurations. Verify that each device is working ... test to ensure complete audio coverage is described below. DirectMusic and Hardware AccelerationWith Windows 98, Second Edition, and Windows 20 00 , DirectMusic acceleration is available on systems...
... "VALUES('Amaretto_decaf', 49, 10. 99, 0, 0) "); stmt.addBatch("INSERT INTO COFFEES" + "VALUES('Hazelnut_decaf', 49, 10. 99, 0, 0) "); int [] updateCounts = stmt.executeBatch(); ... Batch UpdateTh c hiện nhiều c u lệnh Update c ng l c. con.setAutoCommit(false); Statement stmt = con.createStatement(); stmt.addBatch("INSERT INTO COFFEES" + "VALUES('Amaretto', ... bản 2. 0, ResultSet c thể duyệt c chiều forward và backward. Sự thay đổi nằm ở c u lệnh createStatement:Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);...