... File.Exists(TextBox1.Text) Then MessageBox.Show("File Exists: Test passed") Else MessageBox.Show("File doesn't Exist: Test failure") End If End Sub End Class C# #region using directives using using ... using using using using using using System; System.Collections.Generic; System.ComponentModel; System.Data; System.Drawing; System.Windows.Forms; System.IO; #endregion www.it-ebooks.info Sweeney-Root_6005C02.fm ... program code used to test the software Historically, most testing has been done manually That is, a tester sits down and runs the application using defined processes to try to find bugs so that they...
Ngày tải lên: 16/03/2014, 05:20
... File.Exists(TextBox1.Text) Then MessageBox.Show("File Exists: Test passed") Else MessageBox.Show("File doesn't Exist: Test failure") End If End Sub End Class C# #region using directives using using ... using using using using using using System; System.Collections.Generic; System.ComponentModel; System.Data; System.Drawing; System.Windows.Forms; System.IO; #endregion www.it-ebooks.info Sweeney-Root_6005C02.fm ... program code used to test the software Historically, most testing has been done manually That is, a tester sits down and runs the application using defined processes to try to find bugs so that they...
Ngày tải lên: 23/03/2014, 00:20
Tài liệu Beej''''s Guide to C Programming pdf
... Classes What is a storage class? It 's a class of storing variables You're welcome Don't get this confused with any C++ class, either, since it 's not at all the same thing So what does a storage ... i less than or equal to 10 */ Guess what these all are? No really, guess They're expressions! Just like before! So statements take an expression (some statements take multiple expressions) and ... i == 10 is true, so it 's */ printf("%d\n", i > 20); /* i is not > 20, so this is false, */ Beej 's Guide to C Programming 14 (Hey, look! We just passed those expressions as arguments to the function...
Ngày tải lên: 16/02/2014, 08:20
a beginner''s guide to computer programming
... result of true, otherwise the result is false
Ngày tải lên: 17/10/2014, 14:08
beej s guide to network programming using internet sockets
... descriptors and sockfd to the set readfds The parameter numfds should be set to the values of the highest file descriptor plus one In this example, it should be set to sockfd+1, since it is assuredly ... this // lose the pesky "Address already in use" error message Beej 's Guide to Network Programming 20 if (setsockopt(listener,SOL_SOCKET,SO_REUSEADDR,&yes,sizeof(int)) == -1) { perror("setsockopt"); ... ss_align; char ss_pad2[_SS_PAD2SIZE]; }; 12 Beej 's Guide to Network Programming What 's important is that you can see the address family in the ss_family field—check this to see if it 's AF_INET...
Ngày tải lên: 20/04/2015, 15:32
Tài liệu The Professional''''s Guide to Programming Joomla ppt
... client user is logged in In Joomla! instead of accessing the $_SESSION hash, we use the global session object to get and set session data Session data is stored in namespaces; the default namespace ... corresponding JString methods: PHP Function strpos JString method strpos Description substr substr Gets a portion of a string strtolower strtolower Converts a string to lowercase strtoupper strtoupper ... Joomla! tool is JSAS (Joomla! Stand Alone Server) JSAS provides an easy way to set up Joomla! installations on a Windows-based system To learn more about JSAS please refer to http://jsas.joomlasolutions.com...
Ngày tải lên: 23/12/2013, 10:15
Learning Processing - A Beginner’s Guide to Programming Images, Animation, and Interaction doc
... media without the bonds of existing software tools This story is not reserved for computer scientists and engineers This story is for you Who is this book for? This book is for the beginner If ... proprietary software tools in the same domain.” — www.processing.org To sum up, Processing is awesome First of all, it is free It doesn’t cost a dime Secondly, because Processing is built on top of ... fundamentals of computer programming within a visual context and to serve as a software sketchbook and professional production tool Processing is developed by artists and designers as an alternative to...
Ngày tải lên: 17/03/2014, 12:20
A Programmer’s Guide to ADO.NET in C# potx
... belonging to the OleDb data providers All of these namespace classes start with OleDb The System.Data.ODBC and System.Data.SqlClient namespaces consist of classes belonging to the Odbc and Sql data ... providers, respectively Similar to OleDb, classes in Odbc start with Odbc, and classes in SqlClient start with Sql In Visual C#, some of these classes (or objects) are available from the toolbox; ... Components in Visual Studio NET IN PREVIOUS CHAPTERS, YOU’VE SEEN the basics of the ADO .NET model and its components Visual Studio (VS) NET provides design-time support to work with data components...
Ngày tải lên: 22/03/2014, 18:20
developer''s guide to collections in microsoft .net
... class for the ArrayEx(T) class and remove the Class1 class from the project (if the class exists) ArrayEx(T) is a generic class, so its elements are type-safe The top-level view of the class is ... when such issues matter Microsoft has a class with similar functionality called ArrayList This class is named ArrayEx(T) to eliminate any possible confusion with the built-in ArrayList class You ... objectives as this example class The purpose of this exercise is to show how you can create a custom implementation of the class that fits the needs of your application The reasons you might want to...
Ngày tải lên: 01/08/2014, 17:21
Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2.0 phần 1 ppsx
... generator and methods such as min, max and abs, respectively • exception classes – as the CLDC classes are compatible with J2SE libraries, CLDC classes throw the same exceptions as J2SE classes; ... Community Process Phones based on the latest releases of Symbian OS, such as the Nokia 6600 and Sony Ericsson P900, support MIDP 2.0 as well as implementations of the Wireless Messaging API (JSR 120), ... error classes seen previously • internationalization – CLDC provides support for the translation of Unicode characters to and from byte streams; just as J2SE uses readers and writers, J2ME uses the...
Ngày tải lên: 12/08/2014, 23:22
Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2.0 phần 2 pptx
... class obfuscation, using RetroGuard version 1.1 This process occurs as part of the archive process and reduces the final size of the JAR files The process of obfuscation reduces class file sizes ... according to the information it has at its disposal It subclasses the Game API class Sprite, which is itself an extension of Layer In order to make our GameCanvas as flexible as possible we need to make ... process of a higher priority needs to claim the resources being used by the MIDlet AMS invokes MIDlet constructor PAUSED AMS invokes startApp ACTIVE AMS invokes pauseApp AMS invokes destroyApp AMS...
Ngày tải lên: 12/08/2014, 23:22
Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2.0 phần 3 potx
... optional APIs from the J2ME JSRs Both phones support the Wireless Messaging API (JSR 120), allowing phones to send and receive SMS messages, and the Java API for Bluetooth Wireless Technology (JSR 82) ... the Net Access function group with User permission (explicit confirmation required from the user) On the Sony Ericsson P900/P908, the default User permission is set to session (and is not customizable ... STARTED Registration then needs to be made with Sun s website This requires the user to enter a username and password, which is the user details used to obtain the software in the first instance 2.3.2.4...
Ngày tải lên: 12/08/2014, 23:22
Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2.0 phần 4 ppsx
... null; try { RecordStore store = RecordStore.openRecordStore(storeName, false); data = store.getRecord(recordID); store.closeRecordStore(); }catch(RecordStoreException rse) { rse.printStackTrace(); ... interfaces to assist this process For more information on using the RMS APIs, consult the MIDP documentation Further examples of using the RMS are presented in the case studies discussed in Chapter ... create various instances of our Button and a TextField to display the output of the button presses We append the Button instances to the Form, separated by instances of the Spacer class, plus the TextField...
Ngày tải lên: 12/08/2014, 23:22
Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2.0 phần 5 ppsx
... javax.microedition.io.Connector.sms – needed to open an SMS connection • javax.wireless.messaging.sms.send – needed to send an SMS • javax.wireless.messaging.sms.receive – needed to receive an SMS MIDlet-Permissions: ... javax.microedition.io.Connector.sms, javax.wireless.messaging.sms.send or: MIDlet-Permissions: javax.microedition.io.Connector.sms, javax.wireless.messaging.sms.send, javax.wireless.messaging.sms.receive If ... (MessageConnection)Connector.open(address); TextMessage txtMessage = (TextMessage)smsconn.newMessage(MessageConnection.TEXT_MESSAGE); txtmessage.setPayloadText(“Hello World”); smsconn.send(txtMessage); smsconn.close();...
Ngày tải lên: 12/08/2014, 23:22
Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2.0 phần 6 pot
... the list Both versions of the item have the same three basic classes (see Figure 5.6): • a midlet.uitools.ListItem class which implements the custom item • an abstract class midlet.uitools.ListModel ... provides a virtual Bluetooth stack that processes JSR 82 API calls and routes the messages between virtual devices (such as instances of the WTK emulator) via localhost socket connections The simulator ... also provides a wireless toolkit that is downloadable from http://forum.nokia.com This provides the same basic tooling as the WTK but with emulators for Series 60 devices Sony Ericsson provides...
Ngày tải lên: 12/08/2014, 23:22
Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2.0 phần 7 pot
... is requested to move into the PAUSED state, the pauseApp() method (listed below) closes the RMS record store and releases any resources associated with the VideoPlayer used to capture photos ... response to user interaction This helps to isolate the UI objects from tasks that are not related to the user interface, such as accessing the RMS record store The GameMIDlet class handles the ... is used to process 278 MIDP 2.0 CASE STUDIES Figure 5.9 Expenses list for a user Figure 5.10 Expense item details the request A response is built by creating an object hierarchy from classes...
Ngày tải lên: 12/08/2014, 23:22
Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2.0 phần 8 ppt
... Given strings s1 , s2 and s3 , s3 = s1 .concat (s2 ) is more than twice as fast as: s3 = s1 + s2 7.8.3 Using Strings as Keys in Hash Tables Strings are often used as keys in hash tables Every class, ... discuss 7.5 Feedback and Responsiveness Performance is in the eye of the beholder, so as well as being fast as measured by a stopwatch, our application also needs to be responsive to the user ... access than instance variables 342 WRITING OPTIMIZED CODE However, note that for Sun s Wireless Toolkit, access to static variables is faster than to instance variables This illustrates something...
Ngày tải lên: 12/08/2014, 23:22
Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2.0 phần 9 pot
... Cell constructor 7.14.3.2 Heap Analysis Heap analysis is the other side of profiling Profiling is used to identify performance issues; heap analysis to identify memory issues Sun s Wireless Toolkit ... names of classes, methods and variables Obfuscators are intended to make this reverse compilation process less useful However, they also use a variety of techniques to reduce code size and, to ... protocols, SOAP is a text-based protocol that uses XML It therefore remains to be seen in practice whether SOAP s wordiness will cause bandwidth problems on wireless networks The RMS provides...
Ngày tải lên: 12/08/2014, 23:22
Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2.0 phần 10 pptx
... colors TFT Yes Yes; 604×480 resolution GSM/HSCSD/GPRS/3G GSM 900 GSM 1800 GSM 1900 HSCSD GPRS 3G Yes Yes Yes Yes Yes (4 + 2, class 10) No Connectivity Infrared Bluetooth USB Serial Yes Yes Yes No ... java.io.InputStream java.io.OutputStream java.io.ByteArrayInputStream This abstract class is the superclass of all classes representing an input stream of bytes This abstract class is the superclass of ... 640×480 resolution GSM/HSCSD/GPRS/3G GSM 900 GSM 1800 GSM 1900 HSCSD GPRS 3G EDGE Yes Yes Yes Yes Yes No Yes Connectivity Infra-red Bluetooth USB Serial Yes Yes Yes No Browsing XHTML (MP) Browser available...
Ngày tải lên: 12/08/2014, 23:22
PHP Architect's Guide to PHP Security
... becomes unnecessary Access Exemptions A security-minded administrator generally doesn’t want users to access the central temporary directory, since it can store sessions To prevent access to /tmp, ... portals, insecure code can have very serious consequences for a site, the site s owners, and the site s users This book has two goals: to explain the common types of security shortcomings that ... htaccess to specify configuration directives, so strive to write code that is register globals-safe The $_REQUEST Trojan Horse When superglobals were added to PHP, a special superglobal was added specifically...
Ngày tải lên: 14/08/2012, 10:14