... complex unification- based gram- mars: in particular, with grammars admitting less ambiguity parse time will tend to increase more slowly with increasing input length, and also with smaller grammars ... parsing of natural language (corpora) with unification- based grammars. " Computational Linguistics, 19(1): 25-59. Carroll, J. (1993) Practical unification- based pars- ing of natural language. ... impact on the performance of three unification- based parsing algorithms, using a wide-coverage grammar. The results imply that the study and optimisation of unification- based parsing must rely...
... you'll learn to do the same with the strongly typed SQLData and CustomDatum interfaces. Chapter 16. Strongly Typed Object SQL Strongly typed object SQL refers to the use of client-side ... an Array object for collections, and a Ref object to hold a database reference. With strongly typed object SQL, you'll use a custom Java class to manipulate a database object, an Array...
... class name. For example, type person_typ, which has a static method Chapter 15. Weakly Typed Object SQL Weakly typed object SQL refers to the use of structures, arrays, and references to insert, ... using the weakly typed SQL objects, Struct and Array, can be somewhat tedious. But if you're performing a data-processing-type task, they are more efficient than their strongly typed counterparts, ... database. In this chapter, we'll concentrate on the weakly typed solutions for doing this. Let's begin our journey into the weakly typed objects with the Struct object. 15.2 Structs You...
... 0989012418 www.athena.edu.vn Biên soạn: Nguyễn Trí Thức – Lưu Hành Nội Bộ 97 Bài Lab 6: Compiling the linux kernel 1/ Kernel module: - Xem version của kernel bằng lệnh: - Dùng lệnh ... insert. - Chú ý: phải remove theo thứ tự ngược lại. - Liệt kê module lại để kiểm tra 2/ Compiling kernel: - Download source kernel từ trang kernel.org. - Để biên dịch được kernel, cần...
... ConfigurationSettings.AppSettings["Sql_ConnectString"]); SqlCommand cmd = new SqlCommand(sqlText, conn); String accessMethod = typedAccessorRadioButton.Checked ? " ;Typed accessor": ordinalRadioButton.Checked ? "Ordinal":"Column ... in a DataReader row using a column name, a column ordinal, or a typed accessor method such as GetInt32( ) and GetString( ). The typed accessor allows a column value to be accessed in its native ... value and thereby improves performance. For a list of typed accessor methods for SQL Server and OLE DB data providers, see Recipe 2.8. Each typed accessor takes a single argument: the zero-based...
... ConfigurationSettings.AppSettings["Sql_ConnectString"]); if (annotatedRadioButton.Checked) { // Create the typed DataSet without null annotation. CategoriesDS_AnnotatedNull ds = new CategoriesDS_AnnotatedNull( ... row.CategoryName + "\t" + description + Environment.NewLine); } } else { // Create the typed DataSet annotated for nulls. CategoriesDS ds = new CategoriesDS( ); da.Fill(ds, CATEGORIES_TABLE); ... foreach(CategoriesDS.CategoriesRow row in ds.Categories) [ Team LiB ] Recipe 2.19 Replacing Null Values in a Strongly Typed DataSet Problem When a column in a database has a null value, you want the value in the...
... the example form. Modifying Data Using a Strongly Typed DataSet In Chapter 10, you saw how to create and use a strongly typed DataSet class named MyDataSet. You can use objects of ... section, you'll see how to modify data using a strongly typed object of the MyDataSet class. Note One of the features of a strongly typed DataSet object allows you to read a column value ... shortly. Note You'll find a completed VS .NET example project for this section in the StronglyTypedDataSet2 directory. You can open this project in VS .NET by selecting File ➣ Open ➣ Project...
... TableNameDataTable typedPluralDataTable methods NewTableNameRowAddTableNameRowDeleteTableNameRow typedNameDataRowCollection TableName typedPluralDataRow TableNameRow typedNameDataColumn ... DataTable.ColumnNameColumnDataRow.ColumnName typedNameProperty PropertyNametypedNameChild accessor GetChildTableNameRows typedChildren Parent accessor TableNameRow typedParentDataSet events TableNameRowChangeEventTableNameRowChangeEventHandler ... objects in a strongly typed DataSet and the default names and available annotations for each. Table 2-18. Default values and available annotations for elements of strongly typed DataSet objects...
... LiB ] Recipe 3.11 Getting Typed DataRows from DataViews Problem When using a DataView to find rows in a typed DataSet, you want to convert the rows you find to typed DataRow objects having ... object. The typed DataSet classes—including the DataTable, DataColumn, and DataRow objects—inherit from the ADO.NET disconnected classes allowing you to cast the DataRow to the strongly typed row. ... all the properties and methods defined in your typed DataSet. Solution Cast the DataRow object returned by the Row property of a DataRowView to a typed DataRow. The sample code contains two...
... column to null using methods such as Reading a Column Value Using Strongly Typed DataSet Classes A strongly typed DataSet object allows you read a column value using a property with the ... using strongly typed DataSet objects. On the other hand, if your database tables change a lot, you should probably avoid them because you'll need to regenerate the strongly typed DataSet ... using that project as your starting point. Creating a Strongly Typed DataSet Class In this section, you'll create a strongly typed DataSet class that is used to access the Customers table....