examining a simple calculator application

... themselves char ∗strs [10]; – an array of char arrays (or strings) Pointer array example • Have an array int arr [100]; that contains some numbers • Want to have a sorted version of the array, but ... Pointer arrays • Pointer array – array of pointers – an array of pointers to int’s char ∗arr [10]; – an array of pointers to char’s int ∗arr [20]; • Pointers in array can point to arrays themselves ... Multidimensional arrays are rectangular; pointer arrays can be arbitrary shaped 13 6.087 Lecture – January 20, 2010 Review More about Pointers Pointers to Pointers Pointer Arrays Multidimensional Arrays Data...

Ngày tải lên: 25/04/2013, 08:07

... categories: • Data The Data category contains classes that allow you to access and store information from a database The Data category includes the following classes: SqlConnection, SqlCommand, ... SqlCommand, DataSet, and DataView, among others • • • • • • XML Schema The XML Schema category contains classes that allow you to access XML data Dialog Editor The Dialog Editor category contains controls ... display a blank form, as shown in Figure 6.2 You can think of the form as the canvas on which you can place standard Windows controls, such as labels, text boxes, and buttons You'll be adding...

Ngày tải lên: 17/10/2013, 19:15

... File An assembly file contains the metadata for your application' s assembly An assembly is collection of code for your application Code Files A code file is a program source file, such as the ... you can use in your Windows programs Because this class is static, you don't create an instance of this class, and its members are always available within your form When the Run() method is called, ... Because the myLabel and myButton objects are private, this means that they are accessible only in the Form1 class Access modifiers enable you to specify the degree to which a class member is available...

Ngày tải lên: 20/10/2013, 10:15

... the new application being sent to IIS Once your application has been deployed to IIS, VS NET will display a blank Web form You can think of the Web form as the canvas on which you can place controls, ... sun.\n" + "Arise, fair sun, and kill the envious moon,\n" + "Who is already sick and pale with grief,\n" + "That thou her maid art far more fair than she"; Note If you're a Shakespeare fan, you'll recognize ... AutoEventWireUp attribute indicates whether the ASP.NET framework automatically calls the Page_Init() and Page_Load() event handler methods These methods are defined in the WebForm1.aspx.cs; you'll learn...

Ngày tải lên: 21/01/2014, 07:20

... DataView(Cart); 25 ShoppingCart.DataSource = CartView; 26 ShoppingCart.DataBind(); 27 28 if (!this.IsPostBack) 29 { 30 // populate dataSet11 with the rows from the Products DataTable 31 sqlDataAdapter1.Fill(dataSet11, ... Open DataGridWebApplication by selecting File ➣ Open ➣ Project, double-click the Data-GridWebApplication folder, and double-click the DataGridWebApplication.sln file Open the WebForm1.aspx file ... creates a DataTable to store the shopping cart, and that this DataTable is stored in the Session object: private void Page_Load(object sender, System.EventArgs e) { 10 // Put user code to initialize...

Ngày tải lên: 21/01/2014, 07:20

... biên dịch app, có file apk file chạy chương trình + res: ch a tất resource cục app + drawable-hdpi, drawable-ldpi, drawable-mdpi: Ch a image app + layout: ch a file thiết kế giao diện ứng dụng theo ... cta không cần phải quan tâm + Android x.x : hạ mục ch a thư viện Android + assets: Thư mục ch a resource font, video, audio, image, thường load từ xa để sử dụng app + bin: ch a file biên dịch app, ... Start a simple Application Android Cách tạo emulator để mô - Trong giao diện IDE Eclipse chọn vào chức Android Virtual Device Manager - Chọn New để cấu hình emulator: Nhập thong...

Ngày tải lên: 26/09/2014, 18:23

... hda1, hda2, and hda3 are all physical volumes We'll initialize hda3 as a physical volume: root@lappy:~# pvcreate /dev/hda3 If you wanted to combine several disks, or partitions you could the same ... that we have a volume group (called skx-vol) we can actually start using it Working with logical volumes What we really want to is create logical volumes which we can mount and actually use In ... be able to see it included in the output of vgscan: root@lappy:~# vgscan Reading all physical volumes This may take a while Found volume group "skx-vol" using metadata type lvm2 Now that we have...

Ngày tải lên: 18/09/2012, 10:12

... Monocril 2-3/0 are made with a large needle and are placed close together so that a wide aversion is achieved at the margins of the scar and a deep wound closure is obtained by adhering to the ... recreate again: this relapse could promote the formation of a layer of reactive collagen in the region below the treated area We therefore believe that this technique can be utilized as a simple and ... patient All the authors read and approved the final manuscript CONSENT STATEMENT Written informed consent was obtained from the patient for publication of this case report and accompanying images...

Ngày tải lên: 25/10/2012, 11:00

... write as follows to prepare a separate section for storing the addition results in: SECTION ROM_DATA,DATA,LOCATE=H'1100 DATA1: DATA.B 10 DATA2: DATA.B 100 SECTION RAM_DATA,DATA,LOCATE=H'2000 ANSWER: ... R0L,R1L Bad sample (the same name as an internal register is used as a symbol) Samples available as symbols: Loop Upper and lower cases may be mixed "_" is available as a character End_of_Loop A numeric ... WORK,DATA,LOCATE=H'1100 DATA1: DATA.L 10000 http://resource.renesas.com Page 46 DATA2: ANSWER: DATA.W DATA.B 1000 10 In the above example, since the WORK section is located at the H'1100 address, DATA1,...

Ngày tải lên: 29/09/2013, 11:20

... and a Boolean type value is returned The rest of this routine should look somewhat familiar because a DataAdapter object is created, and a DataTable object is filled, based on the username that ... method takes a user ID and Password " & _ "and returns True or False based on if the User and Password exist.")> Public Function TestUserPassword(ByVal strUserID As String, _ ByVal strPassWord As ... created for this first real example will take in the username and password and then look up the username If the username is found, the method will then compare the password If the password matches,...

Ngày tải lên: 20/10/2013, 13:15

... CultureInfo.CurrentCulture.NativeName; } // Sample data that might come from a database // displayed according to culture set by user dateLabel.Text = DateTime.Now.ToString("D"); shortDateLabel.Text = DateTime.Now.ToString("d"); ... information for a user You can store it persistently on the client in a cookie Or you can store it in a database on the server and store it to a session variable when the client logs in or on an ad-hoc ... it can use this information in culture-specific operations Fortunately, NET provides a collection of classes which makes this relatively easy The System.Globalization namespace contains classes...

Ngày tải lên: 28/10/2013, 18:15

... density may attain values that are substantially higher than random close packing, and quite close to the crystalline limit [131, 132] An analogous transition has also been observed experimentally ... use as an order parameter The vertical orientation of a grain thus wastes space proportional to − a, relative to the horizontal one We examine the response of the packing fraction for typical parameter ... granular dynamics will carry all the usual characteristics of ageing ξdyn so that ω 1; from Eq (7.14), this Now recall that that in Regime II, ξeq implies that the grain is nearly square (a ∼...

Ngày tải lên: 01/11/2013, 08:20

... other data store to retain the value of particular variables with a particular session—again, using a simple name and value pairing When the value of a particular variable is needed, the application ... 22 } 23 21 FEATURE Database Abstraction in PHP Creole, Metabase, PDO, PEAR::DB, PEAR::MDB and PEAR::MDB2 Each of these packages has specific features and drawbacks that set it apart from the ... use a certain permission container and one or more different auth containers That means, you can have your users' data scattered among many data containers and have the LiveUser class try each...

Ngày tải lên: 04/11/2013, 14:15

... composite, and reference—that you can use for declaring variables, constants, and pointers Scalar Datatypes A scalar datatype holds a single value and has no internal components Scalar datatypes can ... PL/SQL TABLE datatype is not the same as a database table D A PL/SQL TABLE is similar to a one-dimensional array D A PL/SQL TABLE must contain two components: D D D A primary key of datatype BINARY_INTEGER ... iterations of a loop and initialize the variable to v_count BINARY_INTEGER := 0; Declare a variable to accumulate the total salary for a department and initialize the variable to v_total_sal NUMBER(9,2)...

Ngày tải lên: 10/12/2013, 17:15

... Tin 43 Status tinyInt Title Nvarchar 255 Doc_content Nvarchar Max Last_crawl Date time 32 Last_Index Date time 32 Field type Nvarchar Nvarchar Field Size 255 255 Bảng Topic No Field Name Topic_ID ... ch a download, download, bị lỗi) Description Crawl ID Crawl Topic ID crawl Url crawl Độ sâu tối a cho url Thời gian viếng thăm lại crawl Số thread crawl dùng để download Thời gian cuối crawl ... Policies: xác định đ a cần Crawling d a PageRank có máy chủ, d a Content (đ a mới) … • Re-visit Policies: xác định khoảng thời gian để hệ thống Crawling đ a lần d a PageRank, Content • Politeness...

Ngày tải lên: 19/12/2013, 09:59

... A DataSet is an in-memory cache of data obtained from many possible data sources such as databases or Extensible Markup Language (XML) documents A DataSet reads and writes data and schema as XML ... created in the previous step Note The SqlDataAdapter is a class in ADO.NET, which represents a set of commands and a connection to a database SqlDataAdapter is a class derived from DataAdaptor ... can dramatically improve the perceived availability and reliability of an application ! Because all state is stored separately from worker processes, you can cleanly partition an application across...

Ngày tải lên: 21/12/2013, 05:17

... class name can be totally different The namespace declaration indicates that you are referencing the "System" namespace Namespaces contain groups of code that can be called upon by C# programs With ... which means that "Main" does not return a value Every method also has a parameter list following it's name with zero or more parameters between parenthesis For simplicity, we did not add parameters ... in a later lesson, dedicated specifically to namespaces The class declaration, "class WelcomeCSS", contains the data and method definitions that your program uses to execute It is one of a few...

Ngày tải lên: 21/12/2013, 06:16

... Scalar Datatypes A scalar datatype holds a single value and has no internal components Scalar datatypes can be classified into four categories: number, character, date and time, or Boolean Character ... PL/SQL TABLE datatype is not the same as a database table D A PL/SQL TABLE is similar to a one-dimensional array D A PL/SQL TABLE must contain two components: D D D A primary key of datatype BINARY_INTEGER ... iterations of a loop and initialize the variable to v_count BINARY_INTEGER := 0; Declare a variable to accumulate the total salary for a department and initialize the variable to v_total_sal NUMBER(9,2)...

Ngày tải lên: 21/12/2013, 06:17

... data consists of a set of name-value pairs These are stored in a small wrapper class called Param Each pair holds one pair of the parameters class Param // A class that stores a name-value pair ... EmailProcessor As you can see, this class only echoes the data on the form It could also save the data to a file or store it in a database If the data contained prices and quantities it could calculate and ... processing program may read and write files on the server and access and modify a database 13 Accessing a Database from a Web Page The database we will initially use is that for an address book The following...

Ngày tải lên: 22/12/2013, 17:15

... POSITION: absolute; TOP: 84px" runat="server" ErrorMessage="RequiredFieldValidator" ControlToValidate="NameTextBox">You must enter your name!

Ngày tải lên: 24/12/2013, 01:17