Add two numbers karan chanana
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This document contains JavaScript code to add two numbers entered by a user. The code gets the values of two input boxes, converts them to integers, adds them together, and displays the result in a third input box labeled "Answer". When the user clicks a button, the addNumbers() function is called to perform the addition.
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#include
using namespace std;
const int TABLE_SIZE = 128;
/*
* HashNode Class Declaration
*/
class HashNode
{
public:
int key;
int value;
HashNode* next;
HashNode(int key, int value)
{
this->key = key;
this->value = value;
this->next = NULL;
}
};
/*
* HashMap Class Declaration
*/
class HashMap
{
private:
HashNode** htable;
public:
HashMap()
{
htable = new HashNode*[TABLE_SIZE];
for (int i = 0; i < TABLE_SIZE; i++)
htable[i] = NULL;
}
~HashMap()
{
for (int i = 0; i < TABLE_SIZE; ++i)
{
HashNode* entry = htable[i];
while (entry != NULL)
{
HashNode* prev = entry;
entry = entry->next;
delete prev;
}
}
delete[] htable;
}
/*
* Hash Function
*/
void Display()
{
for (int i = 0; i < TABLE_SIZE; ++i)
{
HashNode* entry = htable[i];
while (entry != NULL)
{
cout<<\"Key \"<key<<\" Value \"<value<next;
//delete prev;
}
}
}
int HashFunc(int key)
{
return key % TABLE_SIZE;
}
/*
* Insert Element at a key
*/
void Insert(int key, int value)
{
int hash_val = HashFunc(key);
HashNode* prev = NULL;
HashNode* entry = htable[hash_val];
while (entry != NULL)
{
prev = entry;
entry = entry->next;
}
if (entry == NULL)
{
entry = new HashNode(key, value);
if (prev == NULL)
{
htable[hash_val] = entry;
}
else
{
prev->next = entry;
}
}
else
{
entry->value = value;
}
}
/*
* Remove Element at a key
*/
void Remove(int key)
{
int hash_val = HashFunc(key);
HashNode* entry = htable[hash_val];
HashNode* prev = NULL;
if (entry == NULL || entry->key != key)
{
cout<<\"No Element found at key \"<next != NULL)
{
prev = entry;
entry = entry->next;
}
if (prev != NULL)
{
prev->next = entry->next;
}
delete entry;
cout<<\"Element Deleted\"<key == key)
{
cout<value<<\" \";
flag = true;
}
entry = entry->next;
}
if (!flag)
return -1;
}
};
/*
* Main Contains Menu
*/
int main()
{
HashMap hash;
int key, value;
int choice;
while (1)
{
cout<<\"\ ----------------------\"<>choice;
switch(choice)
{
case 1:
cout<<\"Enter element to be inserted: \";
cin>>value;
cout<<\"Enter key at which element to be inserted: \";
cin>>key;
hash.Insert(key, value);
break;
case 2:
cout<<\"Enter key of the element to be searched: \";
cin>>key;
cout<<\"Element at key \"<>key;
hash.Remove(key);
break;
case 4:
hash.Display();break;
case 5:
return 0;
default:
cout<<\"\ Enter correct option\ \";
}
}
return 0;
}
==================================================================
Output:
akshay@akshay-Inspiron-3537:~/Chegg$ g++ hash.cpp
akshay@akshay-Inspiron-3537:~/Chegg$ ./a.out
----------------------
Operations on Hash Table
----------------------
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The Principle of Hybrid App.
The Principle of Hybrid App.
This slide is shown by musart in GTUG(Google Technology User Group) seoul 6th Seminar.
Form demoinplaywithmysql
This presentation emphasis on How to connect a Play Application with Mysql as database in Scala.Play includes a simple data access layer called Anorm that uses plain SQL to interact with the database and provides an API to parse and transform the resulting datasets.
Advanced php testing in action
The document contains code for unit testing a PHP MVC application using PHPUnit. It includes:
- Code for the Todo model and its tests using PHPUnit assertions.
- Configuration for PHPUnit to run tests for the application and library.
- Tests for the IndexController using a Test_ControllerTestCase class with helper methods.
- Code for Request, Response and View classes to mock the MVC framework.
- A test to interact with the application interface using Selenium.
The document shows the project structure for an MVC application and library with tests. It demonstrates how to test models, controllers and the user interface using test doubles, assertions and helper methods in PHPUnit.
course js day 3
This document provides an overview of several JavaScript topics including:
- A 3-part webinar series covering JavaScript history, standards, IDEs, data types, arrays, objects, regular expressions, OOP, and working with the DOM.
- Examples of adding click handlers to buttons and divs, submitting HTML forms with JavaScript, and using the load and other events.
- Working with the window, screen, and document objects, and methods like getElementById.
- Mouse events like mousedown, mouseup, mousemove. Keyboard events and timers.
- Making AJAX requests with raw XMLHttpRequest and jQuery.
Architecting JavaScript Code
This document contains code snippets demonstrating different JavaScript concepts including:
1) Closures - myClosure() shows how a variable is accessible even after the function returns due to being closed over.
2) Modules - Calculator is defined as a module that returns public members while keeping private members private.
3) Namespacing - WilderMinds namespace is used to avoid collisions and group related objects/functions.
4) Asynchronous loading - RequireJS is used to asynchronously load JavaScript files and dependencies are managed to ensure files load in proper order.
Mastering Java Bytecode With ASM - 33rd degree, 2012
The document discusses bytecode and the ASM library for manipulating Java bytecode. It provides an overview of bytecode structure and instructions. ASM is introduced as a low-level API for working with bytecode using visitors and nodes. Examples are given for generating bytecode using ASM, such as creating a ClassWriter, visiting classes, fields and methods, and generating instructions.
Unit 3 JAVA Script.pptx
This document provides an overview of JavaScript concepts including client-side vs server-side scripting, variable types, operators, conditional statements, loops, functions, arrays, objects, strings and dates. It defines common JavaScript terms and syntax for variables, operators, if/else statements, loops like for/while/do-while, functions, arrays, objects, strings and dates. Examples are given for each concept to demonstrate proper syntax and usage.
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Do the following program in C++- Create a item class... with and i.pdf
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Mastering Java Bytecode With ASM - 33rd degree, 2012
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E by karan chanana
This document contains JavaScript code to validate email addresses entered into a form. The code checks that the email contains an "@" symbol, that the "." symbol occurs after the "@" symbol, and that there is at least one character after the "." symbol. If any of these conditions are not met, an alert will display to notify the user that they did not enter a valid email address.
Java script errors by karan chanana
This document contains JavaScript code that uses try and catch blocks to handle errors. When a button is clicked, a function is called that tries to display an alert, but includes error handling using catch to detect any issues and display a custom error message with the error description. The code provides basic error handling for the alert to ensure errors are caught and the user is notified if an issue occurs.
Java script while loop by karan chanana
This document demonstrates a JavaScript while loop that iterates through a block of code as long as a condition is met. The code defines a function called myFunction that is executed when a button is clicked. It initializes a variable i to 0 and uses a while loop to add the text "The number is" plus the value of i to a string x as long as i is less than 5. After each iteration, i is incremented by 1. After the loop, the string x is displayed in a paragraph with id="demo".
Adding text to an image by karan chanana
This code allows you to add text to an existing image file. It takes the text string to add, selects a font size, calculates the width and height of the text, loads the image, allocates colors for the background and text, positions the text on the image, and outputs the new image with the text overlaid. The text is drawn on the image from the bottom right corner.
Java script while loop by karan chanana
This document demonstrates a JavaScript while loop that iterates through a block of code as long as a condition is met. The code defines a function called myFunction that is executed when a button is clicked. It initializes a variable i to 0 and uses a while loop to add the text "The number is" plus the value of i to a string x as long as i is less than 5. After each iteration, i is incremented by 1. After the loop, the string x is displayed in a paragraph with id="demo".
Java script errors by karan chanana
This document contains JavaScript code that uses try and catch blocks to handle errors. When a button is clicked, a function is called that tries to display an alert, but includes error handling using catch to detect any issues and display a custom error message with the error description.
Add text on image by karan chanana
This PHP code sample demonstrates how to add text to an image. It loads an image file, allocates a red color for the text, uses imagettftext to add the text "Happy Valentine" to the image at specific coordinates, sets the header to image/png format, and outputs the final image to the browser in PNG format.
Accessing data from a simple post by karan chanana
This document provides examples of accessing data submitted via a POST request in PHP. It shows how to echo username values from $_POST, $_REQUEST, and $HTTP_POST_VARS superglobals. It also demonstrates accessing nested array values submitted in a form by echoing the entire $_POST contents.
Load image of choice karan chanana
This document contains JavaScript code to display an image based on the selected radio button. The code loops through the radio buttons, checks which one is selected, and uses that selection to determine the image filename by appending the numeric value to the file path. It then writes the corresponding image to the document.
Javascript validation karan chanana
This Javascript function validates an email address field in a form. It uses a regular expression to test the email address against a pattern to check for a valid format. If the test fails, an alert is displayed and the form submission is cancelled by returning false. The function is called on form submission, passing the form ID and email field name to validate just that field.
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