c gui programming with qt 4 second edition download

... (inbound access to critical ports is always blocked) Removable Storage Read/write access to files on removable storage devices for specifically declared file types No Microphone Access to microphone ... called the app container This is an insulation layer, if you will, that blocks local interprocess communication and either blocks or brokers access to system resources The key characteristics ... can also work with sensors (Chapter 11), rich media (Chapter 12), animations (Chapter 13), contracts (Chapter 14), tiles and notifications (Chapter 15), , and various devices and printing (Chapter

Ngày tải lên: 21/06/2017, 16:43

... Trang 1Python GUI programming with PySide Speaker: BigLittle Date: 2013/03/04 Trang 2CLI vs GUI CLI (Command Line Interface) • Take less resources • User have much more control of their ... clicked connect ( self.typebig ) • The advantage of SIGNAL / SLOT is the caller does not have to know anything about the receiver and vice versa • Any function could be a SLOT • One can connect ... the cross-platform GUI toolkit Qt • Qt & wxWidgets are both well known C++ GUI library: • They are free and open source • They are cross-platform and support Unicode • They have full documentation

Ngày tải lên: 12/09/2017, 01:44

... include "dependent variables", "regressands", "criterion variables", "measured variables", "responding variables", "explained variables", "outcome ... even a classifier that never predicts malignancy could have high accuracy A different classifier with lower accuracy and higher recall might be better suited to the task,since it will detect more ... of thestructure discovered in the data, such as the distances within and between clusters Most performance measures can only be calculated for a specific type of task, like classification or

Ngày tải lên: 24/10/2018, 08:15

... Frank-Starling Mechanism and Ejection Fraction 237 9.3.3 Cardiac Contractility and Indices of Cardiac Performance 239 9.4 Heart and the Arterial System Interaction 241 9.4.1 The Concept of Ventricular ... 82 4.2 Vascular Impedance to Blood Flow 84 4.2.1 The Impedance Concept and Formulation 84 4.2.2 Input Impedance and Characteristic Impedance 86 4.3 Pulse Wave Propagation Phenomena 90 4.3.1 ... (hc : alk paper) Subjects: | MESH: Cardiovascular Physiological Phenomena | Models, Cardiovascular Classification: LCC QP105 | NLM WG 102 | DDC 612.1 dc23 LC record available at https://lccn.loc.gov/2018010403

Ngày tải lên: 17/01/2020, 08:54

... Frank-Starling Mechanism and Ejection Fraction 237 9.3.3 Cardiac Contractility and Indices of Cardiac Performance 239 9.4 Heart and the Arterial System Interaction 241 9.4.1 The Concept of Ventricular ... 82 4.2 Vascular Impedance to Blood Flow 84 4.2.1 The Impedance Concept and Formulation 84 4.2.2 Input Impedance and Characteristic Impedance 86 4.3 Pulse Wave Propagation Phenomena 90 4.3.1 ... (hc : alk paper) Subjects: | MESH: Cardiovascular Physiological Phenomena | Models, Cardiovascular Classification: LCC QP105 | NLM WG 102 | DDC 612.1 dc23 LC record available at https://lccn.loc.gov/2018010403

Ngày tải lên: 20/01/2020, 14:32

... Frank-Starling Mechanism and Ejection Fraction 237 9.3.3 Cardiac Contractility and Indices of Cardiac Performance 239 9.4 Heart and the Arterial System Interaction 241 9.4.1 The Concept of Ventricular ... 82 4.2 Vascular Impedance to Blood Flow 84 4.2.1 The Impedance Concept and Formulation 84 4.2.2 Input Impedance and Characteristic Impedance 86 4.3 Pulse Wave Propagation Phenomena 90 4.3.1 ... (hc : alk paper) Subjects: | MESH: Cardiovascular Physiological Phenomena | Models, Cardiovascular Classification: LCC QP105 | NLM WG 102 | DDC 612.1 dc23 LC record available at https://lccn.loc.gov/2018010403

Ngày tải lên: 02/03/2020, 13:34

... the characters in a character-type array called text and write the characters backwards into another character-type array called backtext Assume that text contains 80 characters Use the comma ... the calling portion of the program A function can access other functions In fact, it can even access itself (this process is known as recursion and is discussed in Sec 7.6) EXAMPLE 7.2 Consider ... group of instructions be accessed repeatedly, from several different places within the program The repeated instructions can be placed within a single function, which can then be accessed whenever

Ngày tải lên: 13/08/2014, 18:20

... ConversionsType of Conversion Function in Destination Class Function in Source Class Basic to Class Constructor N/A Class to Basic N/A Conversion Function Class to Class Constructor Conversion Function ... Trang 43Conversion between Objects (Contd.) objectA = objectB; objectA: object of destination class objectB: object of source class  Conversion of objects of two different classes can be achieved ... reference X::X(const X &ptr) that the copy process does not inadvertently make any changes to the object that is being copied Trang 32Copy Constructor (Contd.) Copy constructor is called

Ngày tải lên: 23/03/2014, 04:21

... 9Connector.open() with a server connection string, and aStreamConnectionNotifier object is returned With the Stream- ConnectionNotifier object, the server can accept connections fromRFCOMM clients ... and receives the reply.public class EchoClient extends BluetoothMIDlet { public void commandAction(Command c, Displayable d) { switch (c.getCommandType()) { case Command.OK: // The Connect Command ... theStreamConnectionandStreamConnectionNotifierinterfaces fromthe GCF are reused All RFCOMM connections start with a call toConnector.open()with a valid RFCOMM connection string The con-nection string can include parameters for

Ngày tải lên: 12/08/2014, 09:21

... Resource Cleanup ❘91 Trang 3{ SqlConnection myConnection = null; SqlCommand mySqlCommand = null; try { myConnection = new SqlConnection (connString); mySqlCommand = new SqlCommand (commandString, ... lurks! SqlConnection myConnection = new SqlConnection (connString); SqlCommand mySqlCommand = new SqlCommand (commandString, myConnection); using (myConnection as IDisposable ) using (mySqlCommand ... they die when the Garbage Collector reclaims them You can consider them comatose when your program can no longer access them If you can’t reach an object, you can’t call any of its methods For

Ngày tải lên: 12/08/2014, 16:21

... exactly what the nameimplies: a group or collection of the same object types Referring to the bicycle exampleagain, consider a collection of bicycles The bicycle objects in your bicycle collection ... Excellibrary contains objects specific to Excel and the Officelibrary contains objects common toall MS Office applications (Word, PowerPoint, Excel, etc.) The VBAlibrary adds a few objectsspecific to ... to increase the scope of those variables and procedures referenced in both modules to public. Trang 11Basic Excel Objects5 C H A P T E R The preceding chapters concentrated on fundamental programming

Ngày tải lên: 12/08/2014, 16:21

... blueColor = Color.FromName("Blue"); // Create Color object from known color Color greenColor = Color.FromKnownColor(KnownColor.Green); // Create empty color Color tstColor = Color.Empty; ... Create Graphics object Graphics g = this.CreateGraphics(); // Create Color object from ARGB Color redColor = Color.FromArgb(120, 255, 0, 0); // Create Color object form color name Color ... spacing // Get free space float free = cellSpace - (cellAscent + cellDescent); // Display values string str = "Cell Height:" + lnSpace.ToString() + ", Line Spacing: "+cellSpace.ToString()

Ngày tải lên: 12/08/2014, 19:20

... sources DataSource ds = (DataSource)ctx.lookup("jdbc/oraxa"); Connection con = ds.getConnection("borg", ""); PreparedStatement acct, cust; // the account and customer ... it: Context ctx = new InitialContext( ); DataSource ds = (DataSource)ctx.lookup("jdbc/ora"); Connection con = ds.getConnection("borg", ""); Isn't that much simpler than ... the directory service and associated with a printer object Common directory services include NIS, NIS+, Microsoft Active Directory, and LDAP-compliant directory services such as Netscape's LDAP

Ngày tải lên: 12/08/2014, 21:20

... abstract base classes that applications use to declare COM components are called COM interfaces. COM clients call Windows API functions to create instances of the (server) component classes COM clients ... instances of other classes. A class factory is implemented in every COM server The class factory implements the IClassFactoryinterface, which includes the CreateInstance function COM can call the CreateInstance ... the ADOConnection class Finally, COM returns the pointer to the ADO Connection object the client application thatcalled CoCreateInstance The process of a client calling CoCreateInstance to get

Ngày tải lên: 13/08/2014, 08:20

... Library Functions Chapter 4% Data Input and Output 4.1 Preliminaries 4.2 Single Character Input .The getchar Function 4.3 Single Character Output .The putchar Function 4.4 Entering ... DATA CONVERSION RULES THE ASCII CHARACTER SET CONTROL STATEMENT SUMMARY COMMONLY USED scanf AND p r i n t f CONVERSION CHARACTERS scanf Conversion Characters p r i n tf Conversion Characters ... data and character data Scientific and technical applications are concerned primarily with numeric data, whereas business applications usually require processing of both numeric and character data

Ngày tải lên: 13/08/2014, 18:20

... ASCII character set). - Value cl 80 cl + c2 164 cl + c2 + 5 169 cl + c2 + '5' 217 Note that P is encoded as (decimal) 80, T is encoded as 84, and 5 is encoded ... following expressions, based upon the ASCII character set (see Table 2- 1) (4 U, + c3 c l % c3 (g) cl '2' + '2' (b) c l - c2 (c) c2 - 2 (h) ( c l / c2) (6) c2 (i) 3 (e) 3.39 and. .. 0.0 025 00 ... true because the first operand is true. Each of the logical operators falls into its own precedence group. Logical and has a higher precedence than logical or. Both precedence groups

Ngày tải lên: 13/08/2014, 18:20

... data Verify that the calculated results are correct by comparing them with calculations carried out by hand, with the aid of a calculator 5.30 Write a complete C program for each of the following ... number that can be stored within the computer's memory (see Sec 2.4) Hence, the overflow Most contemporary C compilers include an interactive debugger, which provides the ability to set watch values ... the C compiler accessed? Once the compiler is active, how is a C program accessed? How is the program displayed? How is it saved? (c) How are normal editing functions (e.g., insert, delete, etc.)

Ngày tải lên: 13/08/2014, 18:20

... out each of the Fibonacci numbers A hnction called f i b o n a c c i will be used to calculate each Fibonacci number from its two preceding values This function will be called once during each pass ... library files that accompany each C compiler During the process of converting a C source program into an executable object program, the compiled source program may be linked with one or more fibruryjifesto ... Fi-2 are required only within the function.) We then calculate the desired Fibonacci number as Trang 7/ * program t o c a l c u l a t e successive Fibonacci numbers * / Notice that long integers

Ngày tải lên: 13/08/2014, 18:20

... 37 percent 49 percent 3 percent 6 percent Jan 2003 2 percent 46 percent 40 percent 3 percent 4 percent Jan 2002 4 percent 52 percent 34 percent 2 percent 3 percent Jan 2001 7 percent 54 percent ... can find the source XHTML file ( exercise2.html ) with the download code for this chapter. 322 Chapter 8: More Cascading Style Sheets 5931 3c0 8.qxd:WroxPro 3/22/08 5: 14 PM Page 322 Please purchase ... ❑ www.bluerobot.com/web/layouts/ ❑ www.glish.com/css/ ❑ www.alistapart.com/topics/code/css/ ❑ www.meyerweb.com/eric/css/edge/ ❑ www.positioniseverything.net/ (This site is particularly helpful when it comes to dealing with browser...

Ngày tải lên: 24/10/2013, 12:15

... scriptable objects. The Document Object represents the whole document, and then each of the child objects represents a collection of similar tags within that document: ❑ The forms collection contains ... programming interface called the document object model. In this section, you will be focusing on three objects in the document object model: the document object, the forms collection (and its children), ... color too much. Figure 10-23 Figure 10- 24 Using CSS with Form Elements The use of CSS to control form elements has been increasingly popular, in particular to control borders and background colors...

Ngày tải lên: 07/11/2013, 15:15