programming with qt 4

... overloaded Trang 4Operator Overloading It is the ability to associate an existing operator with a member function and use it with objects of its class as its operands  Expressions with operators ... classes can be achieved with: • One-argument constructor defined in the destination class. • Or a conversion function defined in the Trang 44feet = ft;inches = in; } }; Trang 46Conversion Function ... Constructors String s1("This is a string."); String s2(s1); passes a string as an argument to its constructor. and contains an object as its argument  If constructor with an object as its

Ngày tải lên: 23/03/2014, 04:21

... IN_32; _33 = IN_33; _34 = IN_34; _41 = IN_41; _42 = IN_42; _43 = IN_43; _44 = IN_44; } matrix4() { // Do nothing. } static const matrix4 Identity; }; The code contains three ... color4 Black; static const color4 Gray; static const color4 White; static const color4 Red; static const color4 Green;... values _41 = loc.x; _42 = loc.y; _43 = loc.z; _ 14 = 0; _ 24 = 0; _ 34 ... { struct { float _11, _12, _13, _14; 219 float _21, _22, _23, _24; float _31, _32, _33, _34; float _41, _42, _43, _44; }; float m[4][4]; }; // justification for a function

Ngày tải lên: 08/08/2014, 23:20

... filename with a dialog box entitled "Write Block To File." You must type the name of the file, with full path if you intend the block file:///D|/Agent%20Folders/Chapter%204%20Learning%20and%20Using%20Jed.htm ... replace each one with the new file:///D|/Agent%20Folders/Chapter%204%20Learning%20and%20Using%20Jed.htm (29 of 33) [9/25/2002 6:57:23 PM] file:///D|/Agent%20Folders/Chapter%204%20Learning%20and%20Using%20Jed.htm ... destroy".) As with Find, the editor prompts for the search text and options. It must also (for Find/Replace) prompt for the replacement string: Replace with: file:///D|/Agent%20Folders/Chapter%204%20Learning%20and%20Using%20Jed.htm

Ngày tải lên: 12/08/2014, 08:23

... that use JABWT. 4.4 Summary RFCOMM will likely be the most used Bluetooth protocol within JABWT because RFCOMM provides serial two-way communication and reuses (A) (B) Figure 4.9 EchoClient (A) ... be set with a java. lang.String If setHeader() is called with a different type, IllegalArgumentException is thrown Likewise, to retrieve a header, use the getHeader() method with the ... Message(String msg, InputStream in, OutputStream out) { theMessage = msg; input = in; output = out; } Programming with the API 77 /** * Sends the m essage to the server and reads the echo * in reply. The

Ngày tải lên: 12/08/2014, 09:21

... 127 Short –32768 to 32767 Int –2 147 483 648 to 2 147 483 647 Long –92233720368 547 75808 to 92233720368 547 75807 Decimal Number Types Float –3 .4 1038 to 3 .4 1038 Double –1.8×10308 to 1.8×10308 ... out.println(11 % 4) in your program, the computer prints 3. It does this because 4 goes into 11 who-cares-how-many times, with a remainder of 3. 108 Part II: Writing Your Own Java Programs 12_588745 ch07.qxd ... your offer to write Beginning Programming with Java For Dummies, 2nd Edition.” A fax with this message sends a picture of the four letters t-r-u-e, with fuzzy lines where dirt gets

Ngày tải lên: 12/08/2014, 10:21

... InitialContext( ); DataSource ds = (DataSource)ctx.lookup("jdbc/ora"); Connection con = ds.getConnection("borg", ""); Isn't that much simpler than the way you first learned ... data sources DataSource ds = (DataSource)ctx.lookup("jdbc/oraxa"); Connection con = ds.getConnection("borg", ""); PreparedStatement acct, cust; // the account ... mentioned one of the Java mantras: "write once, compile once, run anywhere." You may have heard another very important one: "the network is the computer." The Web is based on the principle

Ngày tải lên: 12/08/2014, 16:21

... FontFamily("Tahoma"), 10,// Construct Font objects Font verdanaFont = new Font( "Verdana", 12); Font arialFont = new Font( arialFamily, 10); Font tahomaFont = new Font( "Arial", 14, ... = new FontFamily("Verdana"); FontFamily arialFamily = new FontFamily("Arial"); // Construct Font objects Font verdanaFont = new Font( "Verdana", 10); Font arialFont ... text = "Testing GDI+ Text and Font" + " functionality for alignment and trimming."; // Create font families FontFamily arialFamily = new FontFamily("Arial"); //

Ngày tải lên: 12/08/2014, 19:20

... vertices As CustomVertex() Application.StartupPath & "\" & IMAGE_PATH & "\" & strImageName, _ 64, 64, D3DX.Default, 0, Format.Unknown, Pool.Managed, _ Filter.Point, ... SizeX, _ MessageBox.Show("Could not load image file " & strImageName & _ " Error: " & de.ErrorString, "3D Initialization.", _ MessageBoxButtons.OK, ... "\" & SOUND_PATH) Initialize = True Catch de As Exception MessageBox.Show("Could not initialize DirectMusic Error: " & de.Message, _ "Music Initialization.",

Ngày tải lên: 12/08/2014, 20:22

... InitialContext( ); DataSource ds = (DataSource)ctx.lookup("jdbc/ora"); Connection con = ds.getConnection("borg", ""); Isn't that much simpler than the way you first learned ... data sources DataSource ds = (DataSource)ctx.lookup("jdbc/oraxa"); Connection con = ds.getConnection("borg", ""); PreparedStatement acct, cust; // the account ... mentioned one of the Java mantras: "write once, compile once, run anywhere." You may have heard another very important one: "the network is the computer." The Web is based on the principle

Ngày tải lên: 12/08/2014, 21:20

... "1" ) ); contentPane.add( new JButton( "2" ) ); contentPane.add( new JButton( "3" ) ); contentPane.add( new JButton( "4" ) ); contentPane.add( new JButton( "5" ... "5" ) ); contentPane.add( new JButton( "6" ) ); contentPane.add( new JButton( "7" ) ); contentPane.add( new JButton( "8" ) ); contentPane.add( new JButton( "9" ... "HELO " + this.getHostName() ); // Send the to and from addresses connection.out.println( "MAIL FROM: <" + from.getText() +">" ); connection.out.println( "RCPT

Ngày tải lên: 12/08/2014, 23:22

... ATLTest1_i.c file(instead of the DbComponent.h file), like this:#include "ATLTest1_i.c" #include "ATLTest1.h" Change the code in the OnNewDocument function so that it calls the BeepIfDbIsOk ... it uses With traditional Win32 DLLs, you cannot simply plug a new version of the DLL into an existing systemwithout the risk of breaking it If you place a new DLL in an existing system without ... Suppose you want to create an instance of an ADO Connection object, as you did in Day 4 in Listing 4.1and Listing 4.6 In this scenario, the ADO Connection object would be the COM server, and the applicationyou

Ngày tải lên: 13/08/2014, 08:20

... ele-<% DIM myarray( 20, 20 ) myarray( 1, 3 ) = "Hello World!" Session( "myarray" ) = myarray Response.Write Session( "myarray" )( 1, 3 ) %> This script works perfectly ... productID 34 localCart( CARTPNAME, i ) = productName 35 localCart( CARTPPRICE, i ) = productPrice 43 ‘ Update Shopping Cart Quantities 44 IF Request( “updateQ” ) <> “” THEN 45 FOR i = ... standard key sizes: 40-bit and 128-bit.Although there have been cases when messages encrypted with the 40-bit key have beenhacked, the 128-bit key is considered unbreakable with current technology

Ngày tải lên: 13/08/2014, 08:21

... RangeNameExists(ws, "COLUMN_HEADING") Then _ ws.Range("COLUMN_HEADING").Font.Bold = True If RangeNameExists(ws, "DATA") Then _ ws.Range("DATA").NumberFormat = "#,##0" If ... RangeNameExists(ws, "COLUMN_TOTAL") Then With ws.Range("COLUMN_TOTAL") Formula = "=SUM(R[-9]C:R[-1]C)" Font.Bold = True NumberFormat = "#,##0" End With End If If ... RangeNameExists(ws, "ROW_TOTAL") Then With ws.Range("ROW_TOTAL") Formula = "=SUM(RC[-12]:RC[-1])" Font.Bold = True NumberFormat = "#,##0" End With End If Set ws

Ngày tải lên: 13/08/2014, 15:20

... can be transferred within a given C program? 6.40 Summarize the syntactic rules associated with the g o t o statement 6.41 Compare the syntax associated with statement labels with that of case ... statement? 6.44 IdentifL all compound statements that appear within the following program segment 6.45 Write a loop that will calculate the sum of every third integer, beginning with i=2 (icy ... associated with the 6.24 6.25 Can loops be nested within i f -e l s e statements? Can i f -6.26 What is the purpose of the in this chapter? 6.27 6.28 Summarize the syntactic rules associated with

Ngày tải lên: 13/08/2014, 18:20

... pixel down and one to the right The result isshown in Figure 9-4 Figure 9-4: An activated button with a graphic instead of text Trang 4When the button is activated, the area not covered by the graphic ... different font, asshown in Figure 10-4: 21 QLabel *label1 = new QLabel( 22 “Bold 14-point Courier”,this); 23 QFont font1(“Courier”,14,QFont::Bold,FALSE); 24 label1->setFont(font1); 25 vbox->addWidget(label1); ... vertical box The button is created andinserted on lines 41 through 43 The two labels are created and added to the vertical box on lines 47 through 55 The labels are left empty for now because

Ngày tải lên: 13/08/2014, 22:21

... Tier4 = 0.14Select Case SalesCase 0 To 9999.99: Commission2 = Sales * Tier1Case 1000 To 19999.99: Commission2 = Sales * Tier2Case 20000 To 39999.99: Commission2 = Sales * Tier3Case Is >= 40000: ... techniques discussed in this and previous chapters Reference Trang 34VBA Programming Examples and TechniquesIbelieve that learning programming concepts is accelerated by a heavy emphasis on examples ... the value”)End Sub Tips for Working with Ranges When you work with ranges, keep the following points in mind: ✦Your code doesn’t need to select a range to work with it ✦If your code does select

Ngày tải lên: 14/08/2014, 02:20

... Tier4 = 0.14Select Case SalesCase 0 To 9999.99: Commission2 = Sales * Tier1Case 1000 To 19999.99: Commission2 = Sales * Tier2Case 20000 To 39999.99: Commission2 = Sales * Tier3Case Is >= 40000: ... techniques discussed in this and previous chapters Reference Trang 34VBA Programming Examples and TechniquesIbelieve that learning programming concepts is accelerated by a heavy emphasis on examples ... the value”)End Sub Tips for Working with Ranges When you work with ranges, keep the following points in mind: ✦Your code doesn’t need to select a range to work with it ✦If your code does select

Ngày tải lên: 14/08/2014, 12:20

... case "Black Anderson" : strName = "Anderson.jpg" ; break ; case "Ying Bai" : strName = "Bai.jpg" ; break ; case "Satish Bhalla" : strName = "Satish.jpg" ... "Satish.jpg" ; break ; case "Steve Johnson" : strName = "Johnson.jpg" ; break ; case "Jenney King" : strName = "King.jpg" ; break ; case "Alice Brown" : ... Brown" : strName = "Brown.jpg" ; break ; case "Debby Angles" : strName = "Angles.jpg" ; break ; case "Jeff Henry" : strName = "Henry.jpg" ; break ; default

Ngày tải lên: 17/10/2013, 19:15

... 640 × 480 800 × 600 1024 × 768 1152 × 864 1280 × 1024 Trang 11As you can see, in January 2008 only 8 percent of users had 800 × 600 resolution, and 90 percent of usershad a resolution of 1024× ... first few items of primary navigation. Month/Year 640 × 480 800 × 600 1024 × 768 1152 × 864 1280 × 1024 Trang 12It is interesting to note that users with higher resolution monitors tend to leave larger ... you wantthem to come back regularly, you are going to have to provide them with an incentive to come back The problem with keeping content fresh is that it takes a lot of time, and someone has

Ngày tải lên: 24/10/2013, 12:15

... programs with more user-friendly options and features We present three broad categories of web client programs:  Simple clients programs that perform actions for users in real time, usually with ... hcat and hgrepurl programs that were presented in Chapter 4, The Socket Library  Periodic clients robots that perform a request repeatedly, with some delay between each request Periodic clients ... all use a simple command-line interface In Chapter 7, Graphical Examples with Perl/Tk, we have some additional examples with a graphical interface using the Tk extension to Perl Simple Clients

Ngày tải lên: 28/10/2013, 15:15