Web Engineering Notes

MDU   B.Tech 7th sem (Information Technology)

 

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COCOMO MODEL

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COCOMO MODEL:The COCOMO (Constructive Cost Estimation Model) is proposed by DR. Berry Boehm in 1981 and that's why it is also known as COCOMO'81. It is a method for evaluating the cost of software package. According to him software cost estimation should be done through three stages:    COCOMO models depend upon the two main equations: Development Effort : MM = a * KDSI b Which is based on MM - man-month / person month / staff-month is one month of effort by one person. Note: In COCOMO'81, there are 152 hours per Person month. According to organization this values may differ from the standard by 10% to 20%.   Efforts and Development Time (TDEV) : TDEV = 2.5 * MM c Note: The coefficients a, b and c depend on the mode of the development. DEVELOPMENT MODES: There are three modes of development: Organic Mode: Relatively Small, Simple Software projects. Small teams with good applicati...
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Style Input type File with CSS and JavaScript

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The worst thing with input [type file]  while using different browsers including firefox,chrome,internet explorar or safari is that they show differnt layout or output. That makes us take extra care while designing our website. Well this is not that tough as seems to be. The goal can be easily achieved by applying a little css and javascript. This repository contains all the relevant code. Using this trick we can mirror any text / link / button / image / or even a div or span to represent a input type file. Live Demo 1 Live Demo 2 Download The Source Code from Github
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C Tutorials 1

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Guys here we going to publish a easy and effective series of C tutorial which will you in better understanding of C language. We Welcome your feedback and suggestions!!! Please Comment!!   Tutorial-1 Any C program will contain a function called as:   int main(int argc,char*argv[]) Now let us break this in parts and analyze one by one. 1)What is a function? Function is a small part of entire program,containing some set of instructions that is generally dedicated to perform a specific task. Advantages: Easy to debug,code resuability. Disadvantage: Lengthy code. 2)   int : it is a built in data type stands for Integer, we are going to understand the data-types in more detail in comming tutorials, as of now just understand that a data-type is something that signifies the type of data,which helps the compiler to allocate the memory. We are also going to learn about memory allocation and other stuffs in later tutorials,however as of now we can describe mem...
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