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SDLC using Different Models

Model:- It provides step by step flow of an application to develop the product, the model decides how many phases will be implemented into SDLC . SDLC:- SDLC means Software Development Life Cycle . It provides a set of steps or Phases to develop a software product. SDLC Phases are dependent on Software Model. Software Model:- The software Model provides complete steps and a set of rules for software development and decides the flow of SDLC. Now, most of the projects are developed by the   AGILE Model , V-model ,   Incremental Model , RAD Model for Software Development. Type of Model:- 1  Waterfall Model:-  This model will work from the  top to bottom approach , it will work sequentially ( step by step) means when the first phase will be completed after that the next phase will proceed. The waterfall model is not flexible for clients because a client can not modify requirements after the completion of the first phase. The waterfall model follows al...
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Django addition, multiplication, substraction and division using multiple button's

views.py code from django.shortcuts import render def index(request): if request.method=='POST'  p = request.POST["txtp"] r = request.POST["txtr"] if request.POST['btnsubmit']=='+': c=int(p)+int(r) elif request.POST['btnsubmit']=='-': c=int(p)-int(r) elif request.POST['btnsubmit']=='*': c=int(p)*int(r) return render(request,"siapp/index.html",{'res':c}) return render(request,"siapp/index.html") code of index.html <!DOCTYPE html> <html> <head> <title></title> <link href="/static/style.css"  type="text/css" rel="stylesheet" /> </head> <body> <header> <center><h1>SI FORM </h1></center> </header> <section> <div style="padding-top:50px;padding-left: 200px; ">   <form action="" me...
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How to Create Test Case Report in Software Testing?

Create a Test Report in Software Testing What is Test Case Report? It is documentation that contains a complete test summary for a particular project component or complete project. Test case report depends on the scenario and type of testing that will be performed application. Test Case Report Provide complete details of the Testing operation by the QA team to the client and development team both. Test case reports will be created using two different parts. 1)  Design Test Case Report:- Test Case Report Designed by SR Tester, they will prepare Test case Step, Test Case Description, Expected Result, etc. They will prefer requirements details by FRS(Functional Requirement Specification) or SRS(Software Requirement Specification) documents. 2)  Execute Test Case Report:- The test case report designing part will be executed under the developed project and it will decide the test cases will pass or fail. The client and developer both will review Test Report and view the Test LOG to...
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Controlled Component Example in react js, Checkbox, Listbox, Dropdownlist, Readiobutton example in react-js

import { useState } from "react"; function Reactarea() {     let [w,setW] = useState(0);     let [l,setL] = useState(0);     let [a,setA] = useState(0);     function setWidth(e)     {         setW(e.target.value);     }     function setLength(e)     {         setL(e.target.value);     }     function rarea(e)     {         setA(w*l);         e.preventDefault();     }     return(         <div>          <form onSubmit={rarea}>              <input type="text" onChange={(e) => setWidth(e)} />              <br/>              <input type="text" onChange={(e) => setLength(e)} />        ...
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