programming with xt and motif

... updates of model objects are the invokeAndWait( ) and instance as an argument and then invoke that Runnable's run( ) method from inside the event queue The invokeAndWait() method makes the calling ... the user ID of the last user to make a change and the time the change was made When you update the database with that data, you use that user ID and timestamp in the WHERE clause If someone else ... // a hash map with the column name as the key // and the column value as the value This // map then gets passed to a new facade for // pre-caching values while( rs.next( ) ) { HashMap

Ngày tải lên: 12/08/2014, 16:21

... the object and relational paradigms, they are light years ahead of where database vendors are with relational technology and how people use relational technology today 4.4.1 Blobs and Clobs ... variables in the parentheses—and does complex processing that does not (and cannot) occur in the embedded SQL you have been using so far It actually performs two SQL statements and a calculation all ... example) and do not read as cleanly as prepared SQL The harder decision therefore lies between prepared statements and stored procedures The bottom line in this decision is portability versus speed and

Ngày tải lên: 12/08/2014, 21:20

... initial context is simply a special context to get you started with a particular naming and directory service The simple form of initial context construction looks like this: Context ctx = new ... context factory // this is analagous to the JDBC Driver class props.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.fscontext.RefFSContextFactory"); ctx = new InitialContext(props); ... provider because everyone has access to a filesystem JNDI is an extension package and does not ship with the standard JDK It does come with J2EE versions of the JDK, or you can download it separately

Ngày tải lên: 12/08/2014, 21:20

... application if it handles data storage and retrieval in the database process and data manipulation and presentation somewhere else. The server is the database engine that stores the data, and the client ... to changing environments and scale with growing user and data volume. Even though a client's primary task is the presentation of data, a fat client is loaded with knowledge completely ... spouse just withdrew! If a client, on the other hand, simply observes objects located in some centralized location, it always deals with the most recent information. When my spouse withdraws

Ngày tải lên: 12/08/2014, 21:20

... technologies with their own authentication and validation mechanisms You might, for example, have EJB component authentication and validation in the middle tier, but also have database authentication and ... single user ID and password to authenticate itself with the application server It does not matter who the actual end user is Similarly, the application server will support access by a handful of ... covering these issues because they are important to understanding distributed database application programming EJB is much simpler and more robust than what I present here in this book. [6] EJB

Ngày tải lên: 12/08/2014, 21:20

... updates of model objects are the invokeAndWait( ) and instance as an argument and then invoke that Runnable's run( ) method from inside the event queue The invokeAndWait() method makes the calling ... the user ID of the last user to make a change and the time the change was made When you update the database with that data, you use that user ID and timestamp in the WHERE clause If someone else ... // a hash map with the column name as the key // and the column value as the value This // map then gets passed to a new facade for // pre-caching values while( rs.next( ) ) { HashMap

Ngày tải lên: 12/08/2014, 21:20

... the pattern is found within the Clob, the index at which the pattern first occurs is returned. If it does not exist within the Clob, then this method `returns -1. JDBC and Java 2 nd edition ... representation of a database session. It provides an application with Statement objects (and its subclasses) for that session. It also handles the transaction management for those statements. By ... a Connection once you are done with it, as it can leave resources open and result in an unresponsive database. This method implicitly closes any statements and result sets created by this connection.

Ngày tải lên: 12/08/2014, 21:20

... to a new insert row. You need to call moveToCurrentRow( ) to get back. next( ) and previous( ) public boolean next( ) throws SQLException public boolean previous( ) throws SQLException Description ... associated with it is closed execute( ), executeQuery( ) , and executeUpdate( ) public boolean execute(String sql) throws... isSigned(int column) throws SQLException Description page 213 JDBC and ... specifies that a result set may be navigated in any direction and that changes made by others will be seen in the result set. JDBC and Java 2 nd edition p age 203 Object Methods absolute(

Ngày tải lên: 12/08/2014, 21:20

... bindings getCommand( ) and setCommand( ) public String getCommand( ); public void setCommand(String sql) throws java.sql.SQLException; Description These methods manage the SQL command used by this ... addRowSetListener( ) and removeRowSetListener( ) public void addRowSetListener(RowSetListener l); public void removeRowSetListener(RowSetListener l); This method executes the currently stored SQL command with ... occurs during communications with a database For example, if the server goes down, the connection needs to notify the pool to discard this connection from the pool and attempt a reconnect ConnectionPoolDataSource

Ngày tải lên: 12/08/2014, 21:20

... Programming with methods and classes Copyright © The McGraw-Hill Companies, Inc Permission required for reproduction or display Methods • Instance method Operates on a object (i.e., and ... method – Service provided by a class and it is not associated with a particular object String t = String.valueOf(n); Class method Data fields • Instance variable and instance constants – Attribute ... Triple.java implementation • Class Triple like every other Java class – Automatically an extension of the standard class Object – Class Object specifies some basic behaviors common to all objects

Ngày tải lên: 06/07/2020, 01:46

... Guide to Learn Excel VBA Programming with Screenshots and Example Code Anton Melnyk Trang 5Working with the Visual Basic Editor Objects in Visual Basic for Application Subs and Functions in Visual ... Workbook and Visual Basic Macro) Cut (CTRL + X) – Standard cut functionality Trang 12Copy (CTRL + C) – Standard copy functionalityPaste (CTRL + V) – Standard paste functionality Find (CTRL + F) – Standard ... commands described above have also keyboard shortcuts. Tool Bar Tool Bar contains most of the useful commands that are used while codding This toolbar can be customized with most needed commands

Ngày tải lên: 17/11/2023, 16:55

... terms for these extra features (such as extra development time and extra expenses). Trang 6❑ What is their underlying motivation for coming? Are they coming for entertainment (and fore likely ... elements that will appear on every page This usually meansstarting with the branding and the primary navigation The branding and primary navigation should be in the same place on every page For ... logo or branding to most pages, maybe a searchform, and possibly advertising You should also remember some boring yet necessary features such as acopyright notice, terms and conditions, and a privacy

Ngày tải lên: 24/10/2013, 12:15

... 02:55:04 }Ç Why This Book? programming with Java, and now want to understand the fundamentals of object-oriented software development If you're fairly new to programming, and have had a class or ... behaviors and responsibilities of those objects, and how the objects interact with each other OO can produce elegant, easy to understand designs, which in turn leads to elegant and easy to understand ... new class, with its properties modified and extended through the inheritance mechanism Classes can be designed to provide useful default behaviors and attributes that can be extended and modified...

Ngày tải lên: 22/08/2013, 14:52

... compatible This extensibility is put to great use in the more than 200 protocol extensions registered with the XMPP Standards Foundation and has provided developers with a rich and practically ... Professional XMPP Programming with JavaScript® and jQuery 40718ffirs.indd 12/1/09 11:12:57 AM 40718ffirs.indd 12/1/09 11:12:57 AM Professional XMPP Programming with JavaScript® and jQuery Jack ... Getting to Know XMPP Eventually the JSF and the extensions followed the naming change from Jabber to XMPP and became the XMPP Standards Foundation (XSF) and XMPP Extension Proposals (XEPs) By 2005,...

Ngày tải lên: 06/03/2014, 00:20

... introduced late in the text Chapter discusses structures and pointers and their use in creating and working with array variables The C language union and typedef are not discussed Chapter is a short ... introductory engineering programming xii Preface course for students with no prior computer programming experience in either C or Fortran Each section covered includes student exercises and programming examples ... transparency masters and quiz and examination problems The text was developed and tested over nine semesters at the University of Central Florida in our EGN3210 Engineering Analysis and Computation...

Ngày tải lên: 19/03/2014, 14:08

... SELECT title FROM albums, WHERE band_id IN (SELECT bands.band_id FROM bands, band_musician WHERE band_musician.musician_id = AND bands.band_id = band_musician.band_id) 2.2.7 Transaction Logic ... form of a search for all alternative bands: SELECT bands.band_name FROM bands, albums WHERE albums.category = 'alternative' AND bands.band_id = albums.band_id The newest thing you will notice ... the albums and bands tables through the band_id value in both tables In this example, you selected the names of bands from the bands table whose band ID appears in the albumstable with "alternative"...

Ngày tải lên: 25/03/2014, 10:41

... DEVELOPERS AND THE FUTURE OF MONO AND ANDROID 495 Best Practices, Hints, Tips, and Gotchas Android Honeycomb (3.0) and Ice Cream Sandwich (4.0) Fragments for All! Android Version and Device Fragmentation ... NET and specializing in web and mobile development He enjoys working with MVC frameworks, such as those provided with ASP.NET and the Android SDK, leveraging new and emerging technologies, and ... Mono for Android product, the basics of developing with Mono for Android, the Visual Studio plugin and MonoDevelop, and the basics of presenting data to a user with screen and data controls and how...

Ngày tải lên: 24/04/2014, 11:13

... compatible This extensibility is put to great use in the more than 200 protocol extensions registered with the XMPP Standards Foundation and has provided developers with a rich and practically ... Getting to Know XMPP Eventually the JSF and the extensions followed the naming change from Jabber to XMPP and became the XMPP Standards Foundation (XSF) and XMPP Extension Proposals (XEPs) By 2005, ... non-trivial The extensions and protocols of XMPP are robust and widely reviewed; comparable HTTP extensions tend to be incompatible with each other, brittle, or primitive Many XMPP tools rely on and take...

Ngày tải lên: 28/04/2014, 17:08

... independent of the text editor and programming environment you may choose to use 4.2 JED's Place to Stand Like Turbo Pascal and the other integrated development environments from both Borland and Microsoft, ... you with an empty file You can destroy a file this way Either leave BX and CX alone while you're examining and "patching" a file with DEBUG, or write the initial values in BX and CX down, and ... file:///D|/Agent%20Folders/Chapter%204%20Learning%2 0and% 20Using%20Jed.htm Learning and Using Jed A Programming Environment for Assembly Language 4.1 A Place to Stand with Access to Tools >• 100 4.2 JED's Place to Stand >• 101 4.3...

Ngày tải lên: 12/08/2014, 08:23

... once you're finished with the job at hand You can get out with any of these commands: Ctrl+K/D saves the current file and exits to DOS Ctrl+K/Q ends the edit without saving and exits to DOS Alt+X ... deleted with the block of text They close up and occupy the same single cursor position, but they are still there, and you can move the cursor to them with the Ctrl+Q/B or Ctrl+Q/K commands Copy ... of text you must first mark the text, then position the cursor where you wish the marked text to go, and then press Ctrl+K/C The last two block commands allow you to write a block of text to...

Ngày tải lên: 12/08/2014, 08:23