a guided tour using python

Ngày tải lên: 17/03/2014, 14:28

Ngày tải lên: 11/06/2014, 10:41

... parity and data are distributed in all. If one hard disk fails, data on that can be regenerated by the data and parity information in the other two hard disks. ###RAID### Raid 5 :need 3 disks Raid ... point http://helpinlinux.blogspot.com/search/label/storage How to create a Raid Device using madadm in linux rhel5 with level 5, 0 and 1 The following article explains what is Raid, what are important levels and how to install and configure a raid device ... is mainly used for data protection. It protects our data storage from failures and data loss. All storage units now use raid technology. It has following uses. 1. Data protection 2. Increasing...

Ngày tải lên: 19/09/2012, 09:21

... above a line tangential to the supraorbital margin (horizontal line). Frontal sinus aplasia is also defined by an oval-shaped sinus with the lateral margin medial to a vertical line drawn through ... indicating the optimized center of the re- construction area. In addition, the head position was adjusted in such a way that the hard palate was par- allel to the floor, while the sagittal plane ... Frontal sinus aplasia was also defined by an oval-shaped sinus with the lateral margin medial to a vertical line drawn through the middle of the orbit (vertical line) with a smooth superior margin...

Ngày tải lên: 25/10/2012, 11:04

Ngày tải lên: 05/09/2013, 08:40

Ngày tải lên: 05/09/2013, 16:30

... the declaration. The managed array is a reference type, so the array and its values are allocated on the managed heap. So what exactly can you embed as fields in a managed type? You can embed ... such a class is not quite the same as an interface. An interface class has no fields and no method implemen- tations; an abstract base class may have these. Also, multiple interface classes may ... Uncertainty void atoms() { int n_atoms = 50; array<Atom>^ atoms = gcnew array<Atom>(n_atoms); // Between the array creation and initialization, // the atoms are in an invalid state. ...

Ngày tải lên: 05/10/2013, 08:20

... on a totally separate system. The variants of the Microsoft Windows operating system cannot export the display of an individual application to be viewed on a separate machine. If an application ... display data of an X-enabled application’s user interface. Let’s assume you’re running an X server on a laptop and the X application (i.e., client) that you want to run is located on a remote ... server. Throw a Temporary Root Window Sometimes application owners may need root access on a system, such as when applica- tions that are owned and managed by someone other than the administrator need...

Ngày tải lên: 05/10/2013, 08:51

... 10:47 AM Page 239 226 CHAPTER 10 ■ BUILDING A SAMPLE APPLICATION USING ASP.NET AJAX Figure 10-1. An ASP.NET AJAX-based stock application Understanding the Application Architecture The application ... you looked at a real-world application and how you would implement it as an AJAX applica- tion quickly, simply, and powerfully using ASP.NET AJAX. CHAPTER 10 ■ BUILDING A SAMPLE APPLICATION USING ASP.NET ... have added AJAX capabilities to this application, and the page will not blink as it obtains data and renders the updates. You can see that there is no explicit coding for a partial-page update...

Ngày tải lên: 05/10/2013, 10:20

... interface even though a specific router may contain one. An example of this might be an ISDN BRI interface. The string in parenthesis is the legal abbreviation that can be used in IOS command ... a password, enter class. If “class” does not work, ask the instructor for assistance. Router>enable At the privileged EXEC mode, enter the command erase startup-config. Router#erase startup-config ... session as performed in the Establishing a HyperTerminal session lab. Note: Go to the erase and reload instructions at the end of this lab. Perform those steps on all routers in this lab assignment...

Ngày tải lên: 04/11/2013, 16:15

Ngày tải lên: 28/11/2013, 21:14

Ngày tải lên: 28/11/2013, 21:19

... second, and a period of one second. Update Button.Click Uses a DataAdapter to update changes made to the first DataTable back to the data source. CheckRefreshDataSet( ) This method is called ... and a timer. The sample code contains two event handlers and one method: Form.Load Sets up the sample by creating a DataTable containing the Categories table from the Northwind database. ... database. The default view of the table is bound to a data grid on the form. A second DataTable with the auto-refreshing functionality is created that also contains the Categories table from the...

Ngày tải lên: 14/12/2013, 18:16

Ngày tải lên: 18/12/2013, 10:03

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Ngày tải lên: 12/01/2014, 22:06

... Creating a Command Object Using Visual Studio .NET To create a SqlCommand object using Visual Studio .NET (VS .NET), you drag a SqlCommand object from the Data tab of the Toolbox ... project named MyDataReader containing a Windows application. 2. Add a SqlConnection object to your project (refer back to the previous chapter to see how to add a SqlConnection object using VS .NET). ... can also drag an OleDbCommand object from the Data tab of the Toolbox to your form. Before you perform the procedure explained in this section, do the following: 1. Create a new project named...

Ngày tải lên: 21/01/2014, 07:20

... You'll recall that a SqlConnection object allows you to connect to a SQL Server database. You can also drag an OleDbConnection object from the Toolbox to your form to connect to a database ... correct. At this point, you've entered all the mandatory details, and you can choose to save your details by clicking OK, or you can click Advanced to enter additional details such as the ... object that connects to the SQL Server Northwind database is set to data source=localhost;initial catalog=Northwind;persist security info=False; user id=sa;pwd=sa;workstation id=JMPRICE-DT1;packet...

Ngày tải lên: 21/01/2014, 07:20

... create a SqlDataAdapter object by dragging a SqlDataAdapter object from the Data tab of the Toolbox to your form. When you drag a SqlDataAdapter object to your form, you start the Data Adapter ... Creating a DataAdapter Object Using Visual Studio .NET In this section, you'll learn how to create a DataAdapter using Visual Studio .NET. N ote You'll find a completed ... Configure Data Adapter This link allows you to re-enter the Wizard to configure your DataAdapter. • Generate Dataset This link allows you to generate a DataSet object using the information set...

Ngày tải lên: 21/01/2014, 07:20

... Creating a DataSet Object Using Visual Studio .NET In this section, you'll learn how to create a DataSet using Visual Studio .NET. N ote You'll find a completed VS .NET example ... form, and add code to your form to fill it using the Fill() method of a DataAdapter object. • Click the Generate Dataset link at the bottom of the Properties window of your DataAdapter. You can ... You'll use the second step, so go ahead and click the Generate Dataset link. The Generate Dataset dialog box is then displayed, as shown in Figure 10.14 . Figure 10.14: The Generate Dataset...

Ngày tải lên: 21/01/2014, 07:20

... System.Data.SqlClient.SqlDataAdapter mySqlDataAdapter = new System.Data.SqlClient.SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; MyDataSet myDataSet = new MyDataSet(); sqlConnection1.Open(); ... mySqlDataAdapter.Fill(myDataSet, "Customers"); sqlConnection1.Close(); MyDataSet.CustomersDataTable myDataTable = myDataSet.Customers; foreach (MyDataSet.CustomersRow myDataRow ... You can also check if a column value contains a null value using methods such as I sContactNameNull(), and you can set a column to null using methods such as Reading a Column Value Using...

Ngày tải lên: 21/01/2014, 07:20