improving+datareader+performance+with+column+ordinals

... Recipe 9.7 Improving DataReader Performance with Column Ordinals Problem You want to use column ordinals rather than column names to retrieve data from a DataReader to improve application performance ... conn.Open( ); // Create the DataReader to retrieve ordinals. SqlDataReader dr = cmd.ExecuteReader(CommandBehavior.SchemaOnly); // Retrieve the column ordinals for each field. co_OrderId ... Sets up the sample by using a DataReader to retrieve the ordinals for all columns in the Orders table of the Northwind database. Go Button.Click Builds a new DataReader containing the TOP...

Ngày tải lên: 24/12/2013, 05:15

... the following relative performance when accessing DataReader column values using the different methods: [ Team LiB ] Recipe 9.6 Improving DataReader Performance with Typed Accessors Problem ... access the data 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 ... • A column ordinal is about 30% faster than a column name • A typed accessor method is about 15% faster than a column ordinal and 40% faster than a column name. [ Team...

Ngày tải lên: 24/10/2013, 11:15

... Associates, Inc. All rights reserved. 362 | Chapter 10: Improving Performance with Shared Memory and Proper Forking Now let’s calculate the same thing with the modules preloaded: 268435456 = X * 712704 ... Associates, Inc. All rights reserved. 378 | Chapter 10: Improving Performance with Shared Memory and Proper Forking The HTTP header is sent next, with the Content-Type of text/plain. To avoid zom- bies, ... Associates, Inc. All rights reserved. 356 | Chapter 10: Improving Performance with Shared Memory and Proper Forking Now we can run the script as before (with MaxClients 2). Two dump files will be created...

Ngày tải lên: 26/01/2014, 07:20

... pizza with anchovies, the PP with anchovies could attach either to the verb (c.f. ate with anchovies) or to the noun (c.f. pizza with anchovies), of which the noun is the correct attachment site. With ... results are achieved with SF v , which was also the best configuration for parsing with Bikel. The performance gain obtained here is larger than in parsing, which is in accordance with the findings ... .762 ∗ Table 7: PP attachment results with ASR ( ∗ indicates that the recall or precision is significantly better than baseline; the best performance in each column is shown in bold) dataset are...

Ngày tải lên: 31/03/2014, 00:20

Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 05/07/2014, 20:21

... Business Rules with Column Expressions Problem You need to enforce a business rule based on multiple columns in a table at the user interface tier. Solution Use expression-based columns to enforce ... the database. The C# code is shown in Example 6-25 . Example 6-25. File: EnforceBusinessRulesWithColumnExpressionsForm.cs // Namespaces, variables, and constants using System; using System.Configuration; ... whether the value of the expression column is false indicating that the data is invalid according to the business rule defined by the expression in the column. If the business rule has not...

Ngày tải lên: 21/01/2014, 11:20

... the GetData( ) method with the argument GOTO to retrieve that page of data from the Orders table. The C# code is shown in Example 9-6 . Example 9-6. File: ImprovePagingPerformanceForm.cs // ... Calls the GetData( ) method with the argument PREVIOUS to retrieve the previous page of data from the Orders table. N ext Button.Click Calls the GetData( ) method with the argument NEXT to retrieve ... Button.Click Calls the GetData( ) method with the argument FIRST to retrieve the first page of data from the Orders table. Last Button.Click Calls the GetData( ) method with the argument LAST to retrieve...

Ngày tải lên: 26/01/2014, 10:20

... Juli 2005 Improving network security with Honeypots - Midi-Tower with Intel Pentium III – 500 MHz, 392 MB main memory, 8,4 GB hard disk space and three network adapters - Mini-Tower with Intel ... Asia http://www.ripe.net/ Improving network security with Honeypots figure 4-4 - layout of VMware installation Page 31 Improving network security with Honeypots Page 12 Packets ... need. Verification is done with the test plan found in the appendix. Most requirements are easy to attain with on-board tools or applications which are installed with the default setup of Roo....

Ngày tải lên: 05/03/2014, 21:20

... features yield substantial gains in performance across a wide range of conditions. Suzuki et al. (2009) also experiment with the same method combined with semi-supervised learning. 699 ... substituting wordforms with semantic information, which only allowed using a single semantic feature. MaltParser allows the combination of several semantic features together with other features ... 702 References Eneko Agirre, Timothy Baldwin, and David Martinez. 2008. Improving parsing and PP attachment perform- ance with sense information. In Proceedings of ACL- 08: HLT, pages 317–325,...

Ngày tải lên: 17/03/2014, 00:20

... 4.32%, and 7.33% respectively which indicates that including syntactic feature with the semantic feature degrades the performance. 6 Conclusion In this paper, we have introduced the syntactic and shallow ... replaced with the most important word- often referred to as the semantic head. The sentences may contain one or more subordi- nate clauses. For example the sentence, “the Vati- can, located wholly within ... 9–12, Columbus, Ohio, USA, June 2008. c 2008 Association for Computational Linguistics Improving the Performance of the Random Walk Model for Answering Complex Questions Yllias Chali and Shafiq...

Ngày tải lên: 23/03/2014, 17:20

... underperformance with dates and times if required; ࿖ notes for reinforcing the expectations for this performance; ࿖ points for discussion and agreement as to how underperformance can be dealt with; ࿖ a ... operational conditions without supervision. ‘Criterion-referenced’ means the nature of the performance, the conditions under which or with what the performance will take place, and the standard of performance ... the optimal level (and sustain that performance) without also dealing effectively with workplace conduct/behaviour. This is not simply 26 Improving Employee Performance 0-7494-4464-9_CH02_26 ࿖ Many...

Ngày tải lên: 24/03/2014, 00:21

... cluster with stragglers. These are example jobs that come with the Hadoop distribution. We used a 204- node cluster with 1 to 8 VMs per physical host. We sim- ulated eight stragglers with background ... using Hadoop’s Sort benchmark with speculative execution disabled (this setting achieved the best performance) . With isolated VMs, the job com- pleted in 408s, whereas with VMs packed densely onto physical ... deals with improving response time for a job consisting of multiple tasks, and our challenge is that node speeds may be heterogeneous. Our work is also related to multiprocessor task scheduling with...

Ngày tải lên: 30/03/2014, 16:20

... Brocade 48000 delivers the same high level of performance without the associated disadvantages of a large multi-switch network, bringing fat-tree performance to IT organizations that could previously ... It is useful for extremely high -performance servers, supercomputing environments, high -performance shared storage subsystems, and FICON and SAN environments with unpredictable trafc patterns. ... thousands of data centers around the world. With the release of Fabric OS ® (FOS) 6.0 in January 2008, the Brocade 48000 adds 8 Gbit/sec Fibre Channel and FICON performance for data-intensive storage...

Ngày tải lên: 31/03/2014, 18:20

... holes or is not thoroughly mixed with soil. Ammonium-N usually is converted to nitrate-N within a few weeks after application. You usually can avoid problems with ammonia toxicity to roots by ... are aggregated into larger units, and the pore arrangement remains stable over time. Improving Garden Soils with Organic Matter N. Bell, D.M. Sullivan, L.J. Brewer, and J. Hart © 2003 Oregon State ... arrange for bulk deliveries of these materials with a landscape supply or trucking company. If you need only half a load, consider splitting a load with a neighbor. Locally available amendments...

Ngày tải lên: 20/04/2014, 14:27

Ngày tải lên: 20/04/2014, 14:27

Ngày tải lên: 28/05/2014, 15:02

Ngày tải lên: 30/05/2014, 23:05

Ngày tải lên: 21/06/2014, 05:20