C2007-10-03
Using calloc() Function in C
The calloc() function also allocates memory. Rather than allocating a group of bytes as malloc() does, calloc() allocates a group of objects. The function prototype is void *calloc
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C2007-10-03
Using malloc() Function in C
The malloc() function isn't limited to allocating memory for strings, of course; it can allocate space for any storage need. This function allocates memory by the byte. Recall that
Read tutorialStruts2007-10-01
Struts-GUI and Struts Console
When the development begins, the struts-config.xml is always small and manageable. But as time passes and features are added, the file continues to grow to become a monster. Splitt
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XDoclet struts-config.xml in Struts
XDoclet based management of struts-config.xml is a entirely different concept. In XDoclet approach, there is no struts-config.xml at all! In the XDoclet approach, there is no strut
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Protecting JSPs from direct access in Struts
According to the Model 2 paradigm, the view is always served by the controller and should not be requested explicitly from any other view. In reality a JSP can always navigate to a
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ForwardAction in Struts
ForwardAction is the one of the most frequently used built-in Action classes. The primary reason behind this is that ForwardAction allows you to adhere to MVC paradigm when designi
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Struts2007-10-01
Handling multiple buttons in HTML Form in Struts
You will frequently face situations where there are more than one or two buttons submitting the form. You would want to execute different code based on the buttons clicked. If you
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Tutorial on Struts Configuration File - struts-config.xml in Struts - from the book: Struts Survival Guide. Basics to Best Practices
The configurable controller is the answer to the Fat controller problem. In a Fat Controller, the programmers can code "if" blocks on need basis. Not so with the configurable contr
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ActionErrors and ActionError in Struts
Struts request handling lifecycle as a happy day scenario is from the point the user submits an html form till the user sees the next page. In reality, users of your web applicatio
Read tutorialC2007-09-26
A Storage Allocator sample program in C
In this tutorial let us write a storage allocator which is unrestricted. Calls to malloc and free may occur in any order; malloc calls upon the operating system to obtain more memo
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Listing Files and Directories sample program in C
A different kind of file system interaction is sometimes called for - determining information about a file, not what it contains. A directory-listing program such as the UNIX comma
Read tutorialC2007-09-26
Fopen and Getc implementation program in C
Files in the standard library are described by file pointers rather than file descriptors. A file pointer is a pointer to a structure that contains several pieces of information ab
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