head first design patterns c sharp pdf

... which is perfect for what you need Let’s look at using a checkbox in tkinter Set me, checkbox, set me I can be either 1 or 0. Whoo hoo! Set that object to 1, baby! Click the checkbox to “tick” ... here comes a click on the close box What‛s my protocol? Ah, yes it hasn‛t been captured, so I‛ll just execute the default behavior and close that sucker! ? Controlling the Window Manager To capture ... the object to “on”. Click the checkbox to “untick” it and set the object to “off”. Ah, phooey! Set that object to 0, which is, like, oooh. Trang 14 print("Phooey I'm OFF.")Checkbutton(app,

Ngày tải lên: 12/08/2014, 19:20

... A.1 can be found in the com.clickblocks.persistence package A Trang 5TABLE A.1 Classes Found in the com.clickblocks.persistence PackagePersistenceManagerFactory This class is responsible for creating ... JDBCTransaction tx = (JDBCTransaction) getManager().getCurrentTransaction(); try { Connection myConnection = tx.getConnection(); myStatement = myConnection.createStatement(); query = "SELECT ... JDBC, the createmethodneeds to have a connection to the database The createmethod gets aJDBC connection by first assuming that the class of the TransactionIFobject is JDBCTransaction It then calls

Ngày tải lên: 14/08/2014, 02:20

... Free access for Packt account holders If you have an account with Packt at www.PacktPub.com, you can use this to access PacktLib today and view 9 entirely free books Simply use your login credentials ... http://archive.adaic.com/docs/style-guide/83style/style-t.txt Trang 9At www.PacktPub.com, you can also read a collection of free technical articles, sign up for a range of free newsletters, and receive ... researched predictive elasticity for Cloud applications He currently collaborates with the Distributed Systems Group at INESC-ID Lisboa (www.inesc-id.pt), a nonprofit computer science and electronics

Ngày tải lên: 21/03/2019, 09:07

... tên củaphương thức, và cuối cùng là các tham số cần thiết cho phương thức thực hiện 1.3.12 Chú thích - Một chương trình được viết tốt thì cần phải có chú thích các đoạn mã đượcviết Các đoạn chú ... được xây dựng nhằm mục đích giải quyết các yêucầu sau: 1 Giúp sinh viên tra cứu sách 2 Cung cấp cho thủ thư các thông tin về các đầu sách một độc giả đang mượn và hạn phải trả và các cuốn sách còn ... có thể các lớp này được xây dựng thànhcác thư viện chuẩn và cung cấp cho các nhóm phát triển khác…Do vậy việc tuân thủtheo các qui tắc lá rất cần thiết - Để khai báo một phương thức, phải xác

Ngày tải lên: 18/11/2022, 15:53

... tabular lists, which can be quite compact, IMAGE LISTS/ GRIDS usually require more space When screen space is limited, consider using the CAROUSEL pattern to accommodate more items (see Chapter 8) ... three location types on the map Include a legend so that users can associate colors and shapes to location types In addition, to not disadvan-tage users with color vision defi ciencies, use colored ... system (GPS) devices, an object’s current position can be overlaid on the map to show its current location This is useful for tracking locations of a fl eet or fi guring out the current location of a

Ngày tải lên: 24/12/2013, 20:15

... diamond choices by allowing them to fi lter by price, cut, color, clarity, and carat The range for each choice is selected by users using sliders Trang 14 How Show criteria to users as a set of checkboxes, ... example, offering users a choice for a purchase order or credit card information based on their choice of billing Solution In addition to patterns discussed in Chapter 2, such as FORGIVING FORMAT, ... mass-produced products, many new products can be cus-tomized to users ’ preferences along one or more product attributes For example, when purchasing a car, users may customize its color, trim,

Ngày tải lên: 22/01/2014, 02:20

... of the class containing the static constructor is created. ➤ A static member of the class containing the static constructor is accessed. the class is instantiated or static members accessed ... static member nao đ ̣ ́ ̀ ̀ ượ c tham chiêu ́  Môi class chi co thê co 1 constructor static ̃ ̉ ́ ̉ ́  Constructor static không ch a access modifier va ứ ̀ bât ky tham sô nao ́ ̀ ́ ̀  Constructor ... public Car(string pn) { petName = pn; } // Let caller set the full 'state' of the Car. public Car(string pn, int cs) Trang 21Th t th c thi cac constructor ứ ự ự ́Th t th c thi cac constructor

Ngày tải lên: 21/06/2014, 09:20

... read-only collection base classesCsla.Core.ICommandObject Interface implemented by CommandBase Csla.Core.ObjectCloner Clones any serializable object Csla.Core.BindableBase Implements INotifyPropertyChanged ... Csla.Core.IEditableCollection Interface implemented by all editable collection base classesCsla.Core.IReadOnlyObject Interface implemented by all read-only base classes Csla.Core.IReadOnlyCollection Interface implemented ... Objects Csla.Core.IBusinessObject Interface implemented by all editable and read-only base classesCsla.Core.IUndoableObject Interface implemented by all editable base classes Csla.Core.IEditableCollection

Ngày tải lên: 06/07/2014, 00:20

... exception could occur while calling the server The most likely cause of such an exception is that an exception occurred in the business logic running on the server, though exceptions canalso occur ... public DataPortalResult Create( Type objectType, object criteria, DataPortalContext context) { return _portal.Create(objectType, criteria, context); } Trang 22public DataPortalResult Fetch(object ... Server.DataPortalContext context) { return Portal.Create(objectType, criteria, context); } public Server.DataPortalResult Fetch( object criteria, Server.DataPortalContext context) { return Portal.Fetch(criteria,

Ngày tải lên: 06/07/2014, 00:20

... 11This is why collaboration is so critical to good object design For example, one object—theDiscountCalculator—will implement the complex calculation for a discount Many other objectsmay need to ... Obviously ResourceList and ProjectList must contain child objects other than Resource andProject Instead, the ProjectList and ResourceList objects should contain child objects that containonly the ... starting with a Resource instead of a Project Figure 6-3.The ProjectResources collection and the ProjectResource child object Trang 9Assigning a Project to a ResourceThe use cases provide for the

Ngày tải lên: 06/07/2014, 00:20

... 71client-side cache invalidating client-side cache, 452ClientContext collection DataPortalContext class, 167ClientContext property ApplicationContext class, 230ClientCulture DataPortalContext class, 167ClientUICulture ... framework base classes, 59complete code for, 92 Criteria class, 377–379CslaDataSource class, 305–307CslaDataSourceDesigner class, 310CslaDataSourceView class, 307–309CslaDesignerDataSourceView class, ... 446ProjectResource class, 434–439ProjectResources class, 429–434ProjectTracker application classes, 406ProjectTracker objects, 405–407PTIdentity class, 459–462PTPrincipal class, 457–459Resource class,

Ngày tải lên: 06/07/2014, 00:20

... O’Reilly’s Head First series Head First Algebra Head First Ajax Head First C#, Second Edition Head First Design Patterns Head First EJB Head First Excel Head First 2D Geometry Head First HTML with CSS ... Second Edition Head First Programming Head First Rails Head First Servlets & JSP, Second Edition Head First Software Development Head First SQL Head First Statistics Head First Web Design Head ... XHTML Head First iPhone Development Head First Java Head First JavaScript Head First Object-Oriented Analysis & Design (OOA&D)Head First PHP & MySQL Head First Physics Head First

Ngày tải lên: 05/08/2014, 22:21

... composite, we can use the C# generics feature. By declaringIComponent,Component, andCompositeas generic types, we create an mentation of the Composite pattern that can be instantiated in a practical example ... types:Components and Composites of those components Both types agree toconform to an interface of common operations Composite objects consist ofComponents, and in most cases, operations on aCompositeare ... the Composite pattern, we will not create a program, but a namespace containing two classes,Composite and Component , and an interface, IComponent Starting with theIComponentinterface, we declare

Ngày tải lên: 12/08/2014, 09:22

... Mac OS X (or any Mac application) The specification of the AltiVec instruction set A call to an AltiVec instruction The Accelerate framework An Intel processor with an SSE instruction set A Call ... have access to the source of old AltiVec-based code, so they recommended the use of the Accelerate framework The Accelerate framework is a set of high-performance vector-accelerated libraries It ... MyCoolBookbuilds on topofInteractand acts as the adapter class As can be seen inthe Client, MyOpenBook and MySpaceBook have been completely plugged out andreplaced byMyCoolBook We can just change

Ngày tải lên: 12/08/2014, 09:22

... A Factory and Products A Director, Builders, and a Product Product creation invokes CreateProductA Construct(builder) Factory/Builder returns A specific product A part of a product Trang 2Chapter ... policies that can change according to the tier Particular policies applying to each tier (specific Blue, Silver, or Gold tier status rules and benefits) An activity in a particular tier policy ... theStatehas full access to the data intheContext Thus, at any point, either theContextor the activeStatecan decide that particu-it is time to swparticu-itch states This is accomplished by assigning

Ngày tải lên: 12/08/2014, 09:22

... 8-2 C# Feature—Exception Properties C# exceptions are objects that can be created, thrown, and caught Exceptions arecaught in try/catch blocks; different catch clauses can catch different exceptions.Exceptions ... +Execute( ) +Execute( ) Command –State +Execute( ) Receiver Trang 9Client ICommand Command Receiver Invoker ActionUser of the editor, who selects a Cut command on a menu Menu Holder of a Cut ... static class InvokerExtensions { static int count; public static int Count (this Invoker invoker) { abstract class ICommand { public Invoker Execute, Redo, Undo; } // Command 1 class

Ngày tải lên: 12/08/2014, 09:22

... system is its constructor: 1 public Mirror(string spec) { 2 objectStack = new Stack( ); 3 objectStack.Push(null); 4 5 // Register the commands 6 commands = new List<Command>( ); 7 commands.Add(new ... 70.8 which conforms to the original spreadsheet shown in Figure 10-1. The Interpreter method is: public static int [] values; public static int n; public static Context context; public static void ... is a description of CilkChess, a chess program produced at MIT: Cilk jobs may survive machine crashes or network outages despite the fact that Cilk programs have been coded with no special provision

Ngày tải lên: 12/08/2014, 09:22

... searchtree class template 332 template <classRecord> classSearch_tree: publicBinary_tree<Record> { public: Error_code insert(constRecord&new_data); Error_code remove(constRecord&old_data); ... tree_searchThe method tree_search simply calls the auxiliary function search_for_node tolocate the node of a binary search tree that contains a record matching a particularkey It then extracts a copy ... search tree The formalspecifications for this operation are: Error_code Search_tree<Record> ::insert(constRecord&new_data); specifications postcondition: If a Record with a key matching

Ngày tải lên: 12/08/2014, 16:21

... reboot command, you would shut down the server.public class RebootCommand implements Command { Receiver receiver; public RebootCommand(Receiver r) { receiver = r; } public void execute() { Chapter ... public class TestCommands { public static void main(String args[]) { TestCommands t = new TestCommands(); } public class TestCommands { 247 Chapter 10: Coordinating Your Objects with the Command ... RunDiagnosticsCommand implements Command { Receiver receiver; public RunDiagnosticsCommand(Receiver r) { receiver = r; } public void execute() { to undo multiple commands, you only have to call the

Ngày tải lên: 12/08/2014, 16:21

... name: combining/decorator Implemented as DoFactory.HeadFirst.Combining.Decorator Page 508: We need a factory to produce ducks! Java program name: combining/factory Implemented as DoFactory.HeadFirst.Combining.Factory ... DoFactory.HeadFirst.Proxy.GumballState.Client (a console application exe) DoFactory.HeadFirst.Proxy.GumballState.Server (a console application exe) DoFactory.HeadFirst.Proxy.GumballState.Machine (a class library dll) ... DoFactory.HeadFirst.Proxy.GumballState.Server.exe. Open a second command box, change to c: \test\ and launch the Client by typing DoFactory.HeadFirst.Proxy.GumballState.Client.exe. The client GumballMonitor...

Ngày tải lên: 12/09/2012, 14:40