Java Servlet Basics

Servlet Basics

Servlets are Java programs running on a web server that produce  results viewed remotely on a web server. Servlets has the same purpose that CGI or PHP had in the past.Here in this tutorial we are going to learn about servlet request and response model, its life cycle, error handling etc.

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Image Processing : Morphology based Segmentation using MATLAB with program code

Segmentation or contouring could be also obtained using morphological operations. Segmentation subdivides an image into its constituent regions or objects. The level to which the subdivision is carried depends on the problem being solved. That is, segmentation should stop when the objects of interest in an application have been isolated. For example, in the automated inspection of electronic assemblies, interest lies in analyzing images of the products with the objective of determining the presence or absence of specific anomalies, such as missing components or broken connection paths. There is no point in carrying segmentation past the level of detail required to identify those elements.

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Excel 2007 : Charts and Graphs tutorial

In Microsoft Excel, you can represent numbers in a chart. On the Insert tab, you can choose from a variety of chart types, including column, line, pie, bar, area, and scatter. The basic procedure for creating a chart is the same no matter what type of chart you choose. As you change your data, your chart will automatically update.

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Excel Formulas and Formatting Data tutorial

Excel Formulas and Formatting Data You are familiar with the Excel 2007 . A major strength of Excel is that you can perform mathematical calculations and format your data. In this lesson, you learn how to perform basic mathematical calculations and how to format text and numerical data. To start this lesson, open Excel.

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Java: Declaring Your own Exceptions tutorial

You can create your own exceptions in Java. Keep the following points in mind when writing your own exception classes:

1. All exceptions must be a child of Throwable.
2. If you want to write a checked exception that is automatically enforced by the Handle or Declare Rule, you need to extend the Exception class.
3. If you want to write a runtime exception, you need to extend the RuntimeException class.

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Image Processing : Histogram Equalization using MATLAB code

% MORPHOLOGY
% histogram equalisation

filename= 'far.jpg'; % the filename to be read
im=imread(filename);
im=imresize(im,[256,256]);
im=rgb2gray(im);
figure(1);
subplot(1,2,1);
imshow(im);

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