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Retrieval Methods:
There are 3 ways to find a document. The primary method is a positional retrieval. This is achieved by keeping in mind where you left it. The next method is to identify the retrieval. You can retrieve by keep in mind its identity name. The last method is a relative retrieval. This is searching based on various features of the document.
For illustration, if you want to find a book on the Visual Programming, or a book containing the photographs of cricketers, the method must be relative retrieval. The positional and the identity retrieval also functions as the storage systems. If the retrieval system is based on the storage methods, then relative retrieval is not possible in this situation. The user will have to know where the content is stored and also by what name it is stored.
Mostly time, you just desire to assign a single value to a variable you have declared. A variable having a single value is a scalar variable. At other times, this is convenient to
1. Create a new solution file named Ch03HandsOnProject1. 2. Rename the form and set the filename of the form to frmMain and frmMain.vb, respectively. 3. Set the appropriate p
Assume that s is a string variable that is supposed to contain a value to be converted to integer. Write a fragment of code that converts the value to integer variable and displ
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Check Box: The check box control takes the value as on or off or grayed. The grayed one is neither on nor off. The user can transform the setting of the grayed check box.
CONTROL STATEMENTS The conditional expression uses a comparison operator that results in true or false value. If the comparison is valid the outcome is true, or else the out
DOCUMENT INTERFACES A SDI (Single document interface) and the MDI (Multiple document interfaces) are the document interfaces. The MDI based applications can have numerous ch
The Dictionary object stores data as key, item pairs. A Dictionary object is the corresponding of a PERL associative array. Items, that can be any form of data, are stored in the a
Benefits of Using DLLs: The dynamic linking has the following advantages which are as shown below: It saves memory and decreases the swapping. Many processes can use a s
Data types: The New data types were defined by using the typedef or #define statements. This was to allow the transition from 16 bit to 32 bit system. Some of the fresh data t
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