trapping errors by using structured error handling

... 225 Trapping Errors by Using Structured Error Handling 227 Processing Errors by Using the Try  .  Catch Statement 227 When to Use Error Handlers ... 209 Trapping Errors by Using Structured Error Handling 227 10 Creating Modules and Procedures 247 11 Using Arrays to Manage Numeric and ... 209 Finding and Correcting Errors 209 Three Types of Errors 210 Identifying Logic Errors ...

Ngày tải lên: 22/03/2014, 15:20

... 229 Trapping Errors by Using Structured Error Handling 231 Processing Errors by Using the Try Catch Statement 232 When to Use Error Handlers ... 213 Finding and Correcting Errors 214 Three Types of Errors 214 Identifying Logic Errors ... 233 Path and Disc Drive Errors 234 Writing a Disc Drive Error Handler 237 Using the Finally Clause to Perform...

Ngày tải lên: 28/04/2014, 16:42

... simplification of input by using functional information and efficiency of execution through Prolog Functional information, supplied as part of the generation goal's input argument, is used by the grammar ... the current implementation, the grammar is limited to handling input propositions structured as a list of antecedents (subgoals) followed by a single consequence (goal) Figure shows a proposition ... antecedents and a single consequence that was derived by the expert system The generator can identify the consequence for the reader by using a causal connective Of previous systems that are...

Ngày tải lên: 17/03/2014, 19:21

... player builds a maze by using the mouse to build walls The player then can move a token through the maze The player can also save the maze on the local computer using a name chosen by the player and ... HTML during program execution 186 Changing elements by modifying CSS using JavaScript code .189 Text feedback using form and input elements .190 Presenting video ... interpreted line by line by browsers This text assumes no prior programming experience or knowledge of JavaScript, but it may help to consult other books, such as Getting Started with JavaScript, by Terry...

Ngày tải lên: 21/03/2014, 11:53

... healthcare provision including, public, private-for-profit, and private not-for-profit sectors By convenience sampling, a minimum of 10 facilities were http://www.human-resources-health.com/content/7/1/21 ... of the respective countries Appointments with heads of the facilities and respondents were made by personnel from the national AIDS control program in each country Interview of key informants ... Ministry of Health Pharmacy Services, and HIV treatment programs were identified as key informants Using the data collection tool information on; the general features of the country's ARV supply...

Ngày tải lên: 18/06/2014, 17:20

... class lessons to involve all children, for example, by using talk partners to discuss questions so that everyone answers a question, and by using small whiteboards for informal writing, so that ... next and then check their predictions by sampling the text, has been disproved by direct observation of readers in action 10515_C01.QXD 29/6/07 1:24 pm Page 10 USING PHONICS TO TEACH READING AND ... built up by successful use of them in speaking as well as in writing ■ For most children, high-quality, systematic phonic work should start by the age of five This should be preceded by pre-reading...

Ngày tải lên: 05/04/2016, 12:12

... + CONVERT(nvarchar, @OldProductID) + ' was not deleted' ) By using SET NOCOUNT ON before the INSERT, only the number of rows affected by the DELETE statement is returned, and the DataAdapter therefore ... procedure that adds a row to the Products table using values passed as parameters to the procedure The procedure returns the ProductID of the new row using a RETURN statement */ CREATE PROCEDURE ... WHERE ProductID = @OldProductID AND ProductName = @OldProductName AND UnitPrice = @OldUnitPrice Using SET NOCOUNT ON in Stored Procedures In Chapter 4, "Introduction to Transact-SQL Programming,"...

Ngày tải lên: 14/12/2013, 13:15

... the rows retrieved by the following SELECT statement set earlier in the SelectCommand property of mySqlDataAdapter: SELECT ProductID, ProductName, UnitPrice FROM Products ORDER BY ProductID To add ... set in step This is because the ProductID is automatically generated by the database when the new row is pushed to the database by the Update() method in step When the Update() method is called, ... generates a new ProductID for the row, which is then returned by the AddProduct4() stored procedure You can then read the new ProductID using myNewDataRow["ProductID"], which now contains the new...

Ngày tải lên: 14/12/2013, 13:15

... of errors might appear One type is a compilation error For anonymous blocks, you will see the errors appear on the screen For stored subprograms, the compilation errors are stored in the USER _ERRORS ... dictionary table To access those errors, enter either of the following commands at the prompt: SQL> SHOW ERRORS SQL> SELECT FROM * user _errors; The second type of error you can encounter is an exception, ... exceptions or compile errors, you will see a message Creating SQL*Plus Files Containing PL/SQL Blocks You can include PL/SQL blocks in files of SQL and SQL*Plus commands Create the file using the operating...

Ngày tải lên: 17/01/2014, 09:20

... Use ORDER BY sort_key_field(s) Default order is ascending, use DESC to sort descending A Guide to Oracle9i 24 Using Calculations in SQL Queries • • • • • Calculations are performed by DBMS, result ... Creating and Using Database Views • Views can be updateable if: – SELECT clause contains only fieldnames, no functions or calculations – cannot contain the ORDER BY, DISTINCT, or GROUP BY clauses, ... combine query results using set operators • Create and use database views A Guide to Oracle9i 31 Joining Multiple Tables • • • • • Join: combine data from multiple database tables using foreign key...

Ngày tải lên: 23/10/2014, 19:21

... 816 The power flow equations are solved using the Newton-Raphson method where the nonlinear system is represented by the linearized Jacobian equation given by the following equation : ⎡ J J ⎤ ⎡ ... as p g At r r each time step τ , by using the individual best position pi ( τ ) and global best position p g ( τ ), a new velocity for particle i is updated by: r r r r r r vi (τ + 1) = ω * vi ... economic load dispatch, security index and powers system losses can be obtained by solving the optimization problem using RGA, PSO and HRGAPSO approaches 3.2 Maximum loadability limit (MLL) The...

Ngày tải lên: 05/09/2013, 15:28

... plan their next steps After using computers, students can again analyze and share what they have learned and done, as well as what they need to next Lesson Plan - Using the Internet for Pre-Writing ... class what some of these questions are Groupwork (Research on the computer) Using these questions, students surf the WWW using the teacher-reviewed WWW URLs to search for relevant information and ... computer) Using a search engine (e.g., Yahoo, Infoseek), each student does a 'category' search to look for more WWW sites that might provide answers to unanswered questions Writing Homework Using...

Ngày tải lên: 06/09/2013, 05:10

... DataSet, using ADO.NET DataTable objects in LINQ queries is identical to using standard collection objects The first step involves converting a data table to its enumerable equivalent using the ... DataTable instances You must link tables together using LINQ’s standard Join operator or use the Where clause to create an implicit join 306 Chapter 18  Using LINQ to DataSet 307 C# // - Explicit ... also attach a type name using the language-appropriate syntax Pass the name of the column as an argument to Field C# var results = from cu in Customer.AsEnumerable() orderby cu.Field("FullName")...

Ngày tải lên: 03/10/2013, 00:20

... test registry-based Group Policy by using Administrative Templates ! Assign scripts to users and computers by using Group Policy ! Implement folder redirection by using Group Policy Prerequisites ... manage the user desktop environment by using Group Policy, and how to deploy and manage software by using the software installation and maintenance technology Using Administrative Templates in ... deploy in an unexpected way Module 12: Using Group Policy to Manage the Desktop Environment Overview Topic Objective ! Assigning Scripts by Using Group Policy ! Using Group Policy to Redirect Folders...

Ngày tải lên: 22/10/2013, 16:15

... skills to manage user environments by using Group Policy Students will learn to manage user environments by configuring the administrative template settings, using Group Policy to run scripts ... Module 8: Using Group Policy to Manage User Environments ! Using Group Policy to Redirect Folders In this topic, introduce how to redirect four default user folders to a network server by using Group ... folders by using Group Policy ! Lab C: Implementing Folder Redirection Policy Prepare students for the lab in which they will redirect the My Documents folder to a new location on the network by using...

Ngày tải lên: 22/10/2013, 16:15

... install a published application by using Add/Remove Programs and by opening a document Tasks Detailed Steps Log on as Hduser and then install the published application by using Add/Remove Programs ... they will deploy mandatory and optional upgrades of software by using Group Policy They will also remove software previously deployed by using Group Policy After students have completed the lab, ... this lab, you will be able to: ! Assign software to users in an OU by using Group Policy ! Publish software to users in an OU by using Group Policy Prerequisites Before working on this lab, you...

Ngày tải lên: 22/10/2013, 16:15

... data from any data source by using XML You can open XML recordsets that you have persisted, and process them by using any ADO-enabled or XML-enabled application Module 4: Using ADO to Access XML ... 4: Using ADO to Access XML Data Submitting an XML Query with ADO Topic Objective To describe the process of submitting an XML query by using ADO Lead-in The process of retrieving XML data by using ... to the XML data by using client-side script You can create an XML data island by using an ASP page and writing an XML tag with an id attribute You can populate the data island by writing the contents...

Ngày tải lên: 22/10/2013, 16:15

... document object The template can be loaded from a string variable by using the LoadXML method, or from a file by using the Load method When using the Load method, it is important to first set the Async ... The template will be accessed by using the following URL: http://localhost/northwind/templates/catalog.xml 18 Module 5: Using HTTP to Access XML Data Using Parameters in Template Files Topic ... to allow templates to be sent by a client application by using the HTTP POST method This section describes the necessary configuration and development tasks for using queries that incorporate...

Ngày tải lên: 04/11/2013, 13:15

... WHERE $b/publisher = "New Moon Books" AND $b/@pubyear > 1990 $b/@pubyear > 1990 RETURN RETURN { $b/title } { $b/title } ... ("http://contoso.msft")/books/book WHERE $b/publisher = "New Moon Books" AND $b/@pubyear > 1990 RETURN { $b/title } } Module 8: Using XQuery to Link and Query XML Documents The ... functionality of XQuery As currently conceived by W3C, XQuery will ultimately be able to work across any number of data stores, including relational, structured and semistructured documents, and object repositories...

Ngày tải lên: 10/12/2013, 16:15

... MSXML.IXMLDOMParseError ' Obtain the ParseError object Set xPE = xmlDoc.parseError With xPE strErrText = "The XML Document failed to load " & _ "due the following error. " & vbCrLf & _ "Error #: " & errorCode ... parseError property of the document 34 Module 9: Using XML to Exchange Data The code sample below shows the extraction of the error information from the IXMLDOMParseError interface of the parseError ... as MSXML.IXMLDOMParseError Set xPE = xmlDoc.parseError With xPE strErr = “The XML document failed to load “ & _ “due to the following error. ” & vbCrLf & _ Error #: “ & errorCode & “: “ & reason...

Ngày tải lên: 21/12/2013, 19:15