... specific base class constructor Solution: Similar to calling other constructors from the constructor of a class, you can call specific constructors of a base class If you not specify a constructor, ... ASP.NET Model-View-Controller (MVC) 20 Silverlight xi 40 9 41 1 41 2 41 4 41 8 42 3 42 5 42 9 43 0 43 1 43 3 43 4 43 6 44 3 Create a Silverlight Project ... initialization code In these cases, you usually factored out the common code into a common function that each constructor called / /C+ + example class MyCppClass { public: MyCppClass() { Init(); } MyCppClass(int...
... Scene 100 Prerequisites 100 Level Scene 100 Background 101 Fields 101 Initialize 102 Update 103 Scene Implementation 1 04 Path1 04 Fields 105 Initialize 105 Update 105 Scene implementation 106 ... of Contents Mixing 2D and 3D Refactoring our code The base class 44 45 45 Properties 46 Constructor 46 Methods 46 The camera Updating RenderContext The GameModel 47 47 47 Updating MainGame 49 ... hardware they have to comply with This includes three buttons: start, search, and back, a resolution of 48 0x 800 , a touch screen, an accelerometer, and more The list of specifications can be found at...
... thao t c thêm/xóa/sửa riêng lẻ, thay vào bạn phải duyệt qua to n thao t c th c transaction 44 LINQto SQL Tutorial Bắt đầu từ Beta2 NET 3.5, LINQto SQL cho phép bạn truy c p vào danh sách c ch gọi ... nghiệm c i (và không đúng) – c nghĩa người dùng c m thấy khó sử dụng Một c ch tiếp c n kh c mà LINQto SQL hỗ trợ dùng mô hình optimistic concurrency – LINQto SQL tự động x c định xem giá trị g c ... DataContext 43 LINQto SQL Tutorial Bạn thêm phép kiểm tra thích hợp vào bên phương th c – liệu hợp lệ, LINQto SQL tiếp t c lưu lại thay đổi vào CSDL (bằng c ch gọi phương th c “ExecuteDynamicXYZ”...
... // Special zero value ChocolateSauce = 0x01, ToffeeSauce = 0x02, ChocolateSprinkles = 0x 04 , Chocoholic = 0x05, // Combined value, sets bits Greedy = 0x07 // Everything! } We’re using hexadecimal ... of adding too many constructors to a class or struct It is easy to lose track of which parameters are which, or to make arbitrary choices about which constructors you provide and which you don’t ... constructor This lets us write a special constructor that only runs once for the whole class We could add the constructor in Example 3 -43 to our Plane class to illustrate this Example 3 -43 Static constructor...
... } public void AddProcess(Action action, Check quickCheck) { processes.Add( new ActionCheckPair { Action = action, QuickCheck = quickCheck }); } public void Process(Document doc) { // ... static DocumentProcessor Configure() { DocumentProcessor rc = new DocumentProcessor(); rc.AddProcess(DocumentProcesses.TranslateIntoFrench); rc.AddProcess(DocumentProcesses.Spellcheck); rc.AddProcess(DocumentProcesses.Repaginate); ... First time, the quick check foreach (ActionCheckPair process in processes) { if (process.QuickCheck != null && !process.QuickCheck(doc)) { Console.WriteLine("The process will not succeed."); if (LogTextProvider...
... Example 10- 21 Example 10- 21 Custom numeric formats double value = 12. 345 6; Console.WriteLine(value.ToString( "00 .######")); value = 1.2 345 6; Console.WriteLine(value.ToString( "00 .00000 0")); Console.WriteLine(value.ToString("## .00000 0")); ... standard formats are used to choose between the short and long time formats: 24/ 12/ 200 1 13: 14 24/ 12/ 200 1 13: 14: 15 24 December 200 1 13: 14 24 December 200 1 13: 14: 15 Another common format is the “round ... character (0x09), backspace (0x09), bell (0x07), and delete (0x7F) The rest are called the printable characters, and include space (0x 20) , which is not a control character, but a “blank” printable character;...