working with data tables in r
Lesson 2 Working with data in a connected environment
... other DataReaderExplicitly close DataReader after usedDataReader cannot be used for data bindingUsing with stored procedure with a return or output parameter, must close DataReader before ... .Read()reads a record, and set pointer to the next recordreturns true if there are more rows left to be readdataReader[int i]dataReader[string colName]GetValue(int i)returns ... sequentially read data from a data sourceThe return results of Command SQL statements (no constructor)How to use DataReader with data providers?How to retrieving data using a DataReader?What...
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Chapter 6 Working with Data in a Connected Environment
... DataReaderConnectionConnectionConnectionConnectionnnnnCommandCommandCommandCommandnnnnDataReaderDataReaderDataReaderDataReadernnnnOpenWhich data? ResultVB.Net 2005 - Chapter 624DataReader ClassStore the information obtained by the command In stateless stream ... objectVery efficientForward-only cursorRead-only cursorDim dr as OLEDBDataReader = cmd.ExecuteReaderDo while dr.Read() msgbox dr("City").toStringLoopdr.CloseDatareader and ... ObjectProgramProviderDataSetDataReaderDataAdapterDatabaseAction SQLMaintain data Maintain data Get data Get data 23VB.Net 2005 - Chapter 645Ex. Insert new recordExitSaveVB.Net 2005 - Chapter...
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Working with Spatial Data
... can provide a primary filter of these records, as shown in the following rows returned by the procedure: Number_Of_Rows_Selected_By_Primary_Filter 49018 Number_Of_Rows_Selected_By_Internal_Filter ... The result of the STCrosses() method is 1, indicating that the LineString x crosses over the LineString y. According to the OGC standards, two LineStrings cross each other if the geometry created ... the points at which they intersect lie in the boundary (i.e., the ends) of the LineString. In this case, the point (5,5) lies in the interior of both LineStrings rather than in their boundary,...
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Working with Temporal Data
... ã Interval B starts within interval A and ends after interval A. ã Interval C is the opposite, starting before interval A and ending within. ã Interval D both starts and ends within interval ... “Managing Bitemporal Data later in this chapter for more information. SQL Server’s Date/Time Data Types The first requirement for successfully dealing with temporal data in SQL Server is an ... date for intervals that I’d like to discuss is the ability to work with overlapping intervals. Understanding how to work with overlaps is necessary either for performing overlap-related queries...
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Working with the Fogbow Design and reconfiguration of services and participation in e-Government
... Swedish Center for Working Life, Demos Project report no.13, Utbildningsproduktion, Malmö. Rydhagen, Birgitta (2002) Feminist sanitary Engineering as a Participatory Alternative in South Africa and ... with the aim of increasing the individual citizen’s insight into government routines and principles, producing transparency and providing a presentation of government work processes. Accountability ... original interpretation based on my interviews with her, extremely active in producing her own reality. I could have striven more strongly for accountability while participating in the PS investigation....
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Tài liệu Working with Primitive Data Types doc
... and the .NET Framework before we can do that (we will cover data type conversions in Chapter 11, “Understanding Parameter Arrays,” and Chapter 19, “Operator Overloading”). 8. In the Code and ... the window and stop the program. Control returns to the Visual Studio 2005 programming environment. Use primitive data types in code 1. Right-click the Form1.cs file in the Solution Explorer ... compile time error Displaying Primitive Data Type Values In the following exercise, you'll use a C# program named PrimitiveDataTypes to demonstrate how several primitive data types work. Display...
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Tài liệu Create a New Table with Data from Existing Tables doc
... Windows Form. Then place the controls listed in Table 6.7 with the following properties set, as displayed in Figure 6.8. Table 6.7. Control Property Settings for This How-To Object Property ... strSQL &= "INTO MyProdAndCat" & vbCrLf strSQL &= "FROM Categories INNER JOIN Products" & vbCrLf strSQL &= "ON Categories.CategoryID = Products.CategoryID" ... data table to the data grid's DataSource property Me.dgResults.DataSource = dtResults End Sub Figure 6.8. These results are based on a new table created by the SQL string that is displayed....
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Tài liệu Working with local data pptx
... System.Type.GetType("System.String"))Creating a DataSetDataTableDataTableDataSetDataSet Practice: Binding a Control to a DataSetBinding a control to a DataSetBinding a control to a DataSet11Verifying the bindingVerifying ... bindingVerifying the binding22 Reading Data The ExecuteReader method runs the SQL or stored procedure and returns a DataReader objectThe Read method moves the DataReader to the next recordRead must ... Practice: Using DataSets to Access Data Creating and filling a DataSetCreating and filling a DataSet11Adding to a DataSet from a formAdding to a DataSet from a form22 OverviewUsing DataSetsUsing...
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Tài liệu Working with Dates in Flash docx
... array to convert the information to a string value (as discussed in the previous two steps). 17. Insert the following line of script after the line added in Step 16: 18. 19. calendarYear_txt.text ... appropriate representation of 12 a.m. in the 12-hour format. If neither of the preceding conditions is true, the value of hour is already appropriate for the 12-hour format (3 a.m. is represented ... what's commonly referred to as military time, where the 24 hours in a day are specified in a range from 0 to 23. o The getMinutes() method extracts minute data from the currentTime Date object...
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WORKING WITH ETHNICITY, RACE AND CULTURE IN MENTAL HEALTH doc
... communicatesverbally and non-verbally·third-party information°the referral itself°gathering information from existing records°gathering information from other agencies·gathering information from ... gathering informationfrom what is said and from behaviour·gathering information from existing records·gathering information from other agencies·gathering information from significant others ... interpreted. Aworker may interpret that a service user poses a risk to him- or herself orothers but patterns or themes in breakdowns may go unobserved. Serviceusers are not asked to explain....
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Working with Men in Health and Social Care ppt
... be reproduced,stored or transmitted in any form, or by any means, only with theprior permission in writing of the publishers, or in the case ofreprographic reproduction, in accordance with ... such dominant cultural masculin-ities can only be understood discretely or whether there are patterns acrosscultures embedded in particular structures. Furthermore, there is rather a‘straw man’ ... oftheir time with men who are problem-free. They are there to arrange care foror to intervene in some way with men who are in some kind of need or whosebehaviour is causing problems for others. Despite...
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DATA HANDLING IN SCIENCE AND TECHNOLOGY -VOLUME 4 Advanced scientific computing in BASIC with applications in chemistry, biology and pharmacology potx
... that the programs contained in this book are free of error, or are cmsistmt with any particular standard of merchantibility, or that they will meet your requirements for any particular application. ... equilibrium data References SI(3rYy PRonSsING Classical mthods Interpolation Smmthing Differentiation Integratim Spline functions in signal prccessing Interpolating splines ... Interpolating splines Smmthing splines Fourier transform spectral methods Continuous Fourier transformation Discrete Fourier transformation Application of Fourier transform techniques Applications...
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CHAPTER 5 ■ WORKING WITH ENTITIES In this example, you use the CreateProductModel method to docx
... stored procedures that return data? This is where the Model Browser comes in. Select stored procedures aren’t mapped like their other CRUD brethren. You need to use the Model Browser for select ... using your new stored procedure. Using Functions in Queries With the new stored procedure added, you need to go into the Model Browser so you can map it for reading. You do that by creating ... chapter. Stored Procedures in the EDM The first EDM you built back in Chapter 2 included a few tables and views from the AdventureWorks database, but it included only a single stored procedure...
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