801 Topics
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 | Use Google's modern Go language (aka. golang) to convert a denary number (base 10) to a roman numeral. Just a good exercise to explore Go's map, slice, sort and for loop features. Note that in Go the **:=** is shorthand for assigning a type (by inference) and a value to … |
 | I have come across one question: find the size of two 2-D arrays when double pointers are given for them.Then find, if we can muliply these two matrices(those mathematics rules). finally we have to multiply the matrices. I have asked this question(small part of this question) earlier also. someone answered …  |
 | For my own use, I'd like to develop a small Vector and a Matrix class, independent of some big libraries that exist out there. My question is: Should Vector and Matrix stay two independent entities or should I derive a Vctor frm a Matrix or a Matrix from a Vector? …  |
 | Greetings, I'm working on a class project for fractions and I'm stuck and cannot figure out where to go from here. We have a mandatory driver file we aren't supposed to change. See below for example output and the output I am actually getting. **Sample Output** Enter numerator; then denominator. …  |
| | I am trying to sort averages of scores in a class by pupil, from highest to lowest. My data is stored in text files like this: Charlie:0 Seema:2 Amber:4 Paige:5 Amber:8 Keith:1 Charlie:8 Seema:0 Charlie:9 Seema:3 Paige:0 Paige:4 Paige:4 Charlie:1 Keith:5 Keith:3 Here is my code so far: with open("class … |
| | im studing my a'level may please help me to solve this problem **scenareo** the hk university's mathematics dpt is looking for a way to automate the determination of the roots of a quadratic equation. The equation is of the form ax2+bx+c=0 where a,b and c are abitrary constants. The solution … |
| | I need to check my code has all these requirements. The requirements for “main()” are: a. Use an object. b. Declare all required variables. c. Output user information. d. Input the radius 1 and radius 2 to be used to calculate the area of two circles. e. Use object Circle …  |
 | Hi everyone i need some help down here. i am trying to connect multiple db and at the same time i want to sum the value of the column. what i have right now is this SELECT SUM(total) as branch1sales FROM icm.sales UNION SELECT sum(total) as branch2sales FROM hism.sales its … |
| | <input type="radio" name="Wed" value="" checked>None <br /> <input type="radio" name="Wed" value="Class 1">Computers <br /> <input type="radio" name="Wed" value="Class 2" >Physics (1st 5 weeks) <br /> <input type="radio" name="Wed" value="Class 3">Astronomy (2nd 5 weeks) <br /> <input type="radio" name="Wed" value="Class 4">Mathematics <br /> <input type="radio" name="Wed" value="Class 5">Literature <br /> This … |
| | Hello, As Homework, we had to do the most boring thing known to Mankind, Mathletics. It is so easy. Mathletics links to live Mathletics where you have to answer as many Math questions as possible in 60 seconds. Later on, I found that Mathletics could be used as a challenge. … |
| | I'm sure this is simple, but I'm having a time trying to figure out how to add two fields from two different tables together. <?php include_once('conn/db.php'); $query = "SELECT SUM(`sold`) AS total FROM veggies"; $stmt = $con->prepare( $query ); $stmt->execute(); while ($row = $stmt->fetch(PDO::FETCH_ASSOC)){ extract($row); echo "<small><u>Plants Sold</u>: {$total}</small>"; } …  |
 | Python helps in real life situation to automate things. This program helps you to prep up your kids ability to go over/under ten, which is essential not only by itself, but also when calculating with bigger numbers. Program is not any special, but shows how useful Python can be in … |
| | Good day guys, I would just like to share my code and wanted to do something about it. This code shows a loop inside a loop initializing a two-dimensional array named arr with elements [2] and [5]. Here's my code: #include <iostream> #include <conio.h> using namespace std; int main () …  |
| | The .Net Framework uses by default radians in its trigonometry calculations. Find out how to convert degrees to radians to use with C# |
| | can anyone help me to find a good text book or pdf or anything else to become good at graphs in algebra i really have to learn it...i'm stuying IT in this is my first term and i'm very new to computer and mathematics related to it and my exams …  |
| | Hello. I need to write a program to evaluate a definite integral with Simpson's composite rule. 1.  I know there is a Simpson's rule available in Scipy, but I really need to write it by the following scheme. 2.  , where a, b - limits of … |
 | You may be wondering what a superfecta actually is, and the answer is: the most dangerous and serious threat to business. To clarify, the superfecta as defined by secure cloud hosting outfit FireHost is a group of four attack vectors that comprises of Cross-Site Request Forgery (CSRF), Cross-Site Scripting (XSS), … |
| | Hey there, I'm having trouble getting my program to read every instruction to then execute it, as well as displaying everything correctly. Right now my program displays mainly garbage and for now I simply want it to be able to successfully run a simple addition program, so any advice or … |
| | Create a form that accepts scores from the user, displays the total, count, and average of the scores, and displays a dialog box that lists the scores.This application should check the number entered by the user to make sure it is a valid integer from 0 to 100. If a … |
| | Hello every one Can I have a better algorithm to find the nth prime number, where 1<= n <=5000000. for e.g., 1st prime number is 2. 10th prime number is 29. 100th prime number is 541. 1000th prime number is 7919. 10000th prime number is 104729. 100000th prime number is … |
 | Having a form as below, what should I do to my database or how should I structure my database so that for instance, a particular user will have all the three entries attached to him: ********************************************************** <html> <form action="processForm2.php" method="post"> <p>First Entry</p> <div id="original"> <select name="subject[]"> <option>English</option> <option>Mathematics</option> <option>Physics</option> <option>Chemistry</option> … |
| | Hello! Please I would want to be able allow users select options from a list of selections as many times as possible using php, how do i achieve that? Below is a form for better description of what i desire to do <html><body> <form action="" method="post"> <p>You can enter your … |
 | Hi, I'm having a problem with a table: I want the leader dots on only the 1st line (date........event) 1. In September 4 section the leader dots are on the FIRST and LAST line. For the Second-last lines I thought if I created a new "tr" section (with different styling …  |
| | Hi Guys, I'm Using Python 2.7.3 This is my txt file: TimeStamp,Irradiance 21/7/2014 0:00,0.66 21/7/2014 0:00,0.71 21/7/2014 0:00,0.65 21/7/2014 0:00,0.67 21/7/2014 0:01,0.58 21/7/2014 0:01,0.54 21/7/2014 0:01,0.63 21/7/2014 0:01,0.65 21/7/2014 0:02,0.64 21/7/2014 0:02,0.63 21/7/2014 0:02,0.63 21/7/2014 0:02,0.64 . . . . 22/7/2014 23:57,0.53 22/7/2014 23:58,0.69 22/7/2014 23:58,0.61 22/7/2014 23:58,0.65 22/7/2014 23:58,0.59 …  |
| | I have a BA in Mathematics and several years experience running my own web development company. I love learning and finding solutions to problems gives me a natural high. After being out of the workforce for about 6 years (to be home with my kids) I'm excited to go back …  |
 | Hi, I want to Count the number of occurences of data in a table, then multiply it in a value from other table, After that I want to sum up the product of count and the value from other table, As of now, I cant count and then multiple but … |
| | I have five tables as listed below. Question: is it possible to join all five tables and output the result as show below? <table> <tr> <th>Subject</th> <th>Last update (date from table. nr.3)</th> <th>Last update (date from table. nr.4)</th> <th>Last update (date from table. nr.5)</th> </tr> <tr> <td>Mathematics</td> <td>2014-06-01</td> <td>2014-07-05</td> <td>2014-03-15</td> … |
 | Hello programmers! After covering the basics of STL, I decided to complete the following assignment: `Write a function template palindrome that takes a vector parameter and returns true or false according to whether the vector does or does not read the same forward a backward.` So, for example, a vector … |
| | Calculate the total area and volume occupied by a cylinder. Correct or not? #include <stdio.h> #include <math.h> int main() { float At, V, r, h; printf("\n ===========Calculate the total area and volume occupied by a cylinder============\n"); printf("\n the base radius.......: "); scanf("%f", &r); printf("\n Cylinder height.: "); scanf("%f", &h); At … |
 | I was doing the class tutorial to have matrix multiplication from two dimensional arrays: X (3x2) and Y (2x3). package t7; public class Q5 { public static void main(String[] args) { int[][] matrix_X = new int [3][2]; int[][] matrix_Y = new int [2][3]; int[][] result = new int [3][3]; for …  |
| | Good Day. Call me Angel. I'm havng trouble with **Live Edit Table**. Appears not to be working for me. I have this system. A small rental system actually, that would save the details for the rented properties. Here's the actual table: <img src="https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-xpa1/t1.0-9/10314749_882248248457445_2787632760191268129_n.jpg"> (other columns are trimmed) The admin has … |
 | Optimizing Matrix Multiplication One time consuming task is multiplying large matrices. In this post we'll look at ways to improve the speed of this process. We'll be using a square matrix, but with simple modifications the code can be adapted to any type of matrix. The straight forward way to …  |
| | hello python developers, i recently started working on a simple xml rpc application, the simple version is completly working but when i wanted to extend it and add some more functionality i ran into some troubles. i want to register functions from different classes as server methods, i thought i … |
| | This snippet shows how to find the complex roots of a polynomial using python (tested with python 2.6). You need the scipy or numpy module. |
| | I am a new to assembly and i am asked to multiply two 3x3 matrices and then show the given result. I am having problem in multiplication as mov al,5 mov bl,6 imul bl but how to print it?? i know the result will be in ax register but i … |
| | Here is a simple Polynomial class. Its purpose is to show how one can [B]simply [/B]create a Polynomial class without using abstract datastructures such as linked lists etc. Each term is printed out in order of its power - from highest to lowest. Inspiration was taken from a Java source … |
| | Don’t know if this is ever been done before, or even if it is a good way to do it. I’ll just await your comments if any. What I mostly found on the web is that if you want to define a polynomial you need to have an array containing … |
| | Hello i am new to assembly please help me i want to write a program in Linux assembly which can multiply and divide real binary and hexa decimal numbers(e.g 11010.11001 & A56.B5). . Please help me as soon as possible i will have to submit the assignment by tuesday please …  |
| | I get an error when I try to compile my code. I can't figure it out. It says it's not declared but I think it is declared. // // // This menu-driven program is used to allow the user to choose // an application to be executed. // // // … |
| | Hello, I am delving into OOP now and am having issues with creating properties. Below is my code. Basically what I did is created a custom class and am creating a property within that class. But what happens is it will put a red squiggly under 'Multiply' saying 'not all … |
| | Im trying to add odd numbers recursively from n to m but its not working . im sure its in the recursive logic on how im passing the arguments or something. public static int OddSum(int low, int up,int total) { if(low==up) { return up; }else { low+=2; return total += …  |
 | need a program to perform polynomial division with linked lists or arrays. i already tried multiplication,subtraction and addition but stucked in division can anyone help me out on this. |
| | Hi, in my polynomial class all the terms consist of a List of tuples (double, uint), representing the coefficient and the exponent; a real and a natural number. The +operator implementation works great, but I was wondering if I could avoid to write two times `grouping.Sum(s => s.Item1)` It somehow … |
 | Hi, Entering website first time. Script says Admin then admin. Like so Admin Id: Admin Password: admin But get Error. Wrong Admin Login. Plus these errors top of page: Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /home/adven735/public_html/config.php on line 4 Warning: mysql_fetch_array() expects parameter 1 to … |
 | Hi I have to write program that finds a solution how to put 12 knights to a 8x8 chess board that every square would be dominated by one of the 12 knights. Do you have any suggestions from where I can start? |
| | #include <iostream> #include <cstdlib> using namespace std; // function prototype for add int add (int x, int y); int sub (int q, int r); int mul (int s, int t); int divi (int u, int v); int main () { int a,b; char ch; loop:cout<<"ENTER CHOICE OF OPERATION: + - … |
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| | I wrote this code for mutipicate two polynomials but I want change it as it can get two polynomials and then multicipate them for example: input: 5x -2x^2 +x -1 -4 -2x output: 4x^3 -4x^2 -22x +4 public class Polynomial{ public int[b+1]; coef[b] = a; deg = degree(); } // … |
| | Hi there, I'm a real newbie to python so sorry if this is a stupid question or if I don't fully get your answer, no hate please! I'm trying to write a small program to use when calculating differential equations bu using Euler's step method, don't worry if you don't …  |
 | System Administrators (SAs) have a tough job: Dealing with users and user accounts, security, patching, updates, upgrades, disk space, performance and other miscellaneous tasks often known as "other duties as assigned." For some SAs, the day never ends. Despite the challenges, pitfalls and occasional irate user; system administration is a … |
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