TypeError: list objects are unhashable
totalCost = problem.getCostOfActions(self.actions) ...
homework
Pointer subtraction confusion
When we subtract a pointer from another the diffrence is not equal to how many bytes they are apart but equal to how many integers(if pointing to integers) they are apart.Why so? ...
Information theory numerical problem, steady state probability
<(if this is not the right place please direct me from where i can get help on this thank you)> calculate the steady state probability of source emitting a "0" from "Applied coding and information theory for engineers" page 70, chapter 2, example 2.4.4 pi0=1/9 pi1=pi2=2/9 pi3=4/9 For Pr(0) how are the values for Pr(0/Sn) found, by my...
Help with String.CopyTo()
Hi I am facing a problem with String.CopyTo() method. I am trying to the copy the value from string to char array using String.CopyTo() method. Here's my code Dim strString As String = "Hello World!" Dim strCopy(12) As Char strString.CopyTo(0, strCopy, 0, 12) For Each ch As Char In strCopy Console.Write(ch) Next Can any one...
combine SELECTS in ONE VIEW DISPLAY
I need to know of a way to combine multiple SELECT statements in one VIEW? I tried the UNION ALL, but it fails since I am using unique columns to aggregate the GRAND TOTAL. I am a student this is part of a group project. I have one table with 4 columns: account, description, short_description, and balance. The COA (chart of accounts) i...
SQL Pivot with multiple columns
Hi Guys, Need help with the pivot clause in sql server 2008. I have a table with this info: Weekno DayOfWeek FromTime ToTime 1 2 10:00 14:00 1 3 10:00 14:00 2 3 08:00 13:00 2 4 09:00 13:00 2 5 14:00 ...
How to add up rows (and columns) of a 2D array.
How would I write a function to add up the content of each row in a 2D array? To add the contents of each column? my code (so far): #include <iostream> using namespace std; const int QUARTER = 4; void getdata(float [][QUARTER], int); void displaydata (float [][QUARTER], int); void quartertotal(float [][QUARTER], int); int main() { ...
c code for perpetually changing center colour in xeyes(terminal)
i'm trying to write a c code which opens the xeyes application and then those eyes keep changing its color constantly for a particular eriod of time.. i tried to achieve this by executing xeyes with one center color, adding a delay of 3 seconds, killing the process, and opening xeyes with another center colour and so on inside a loop. ...
Induction Proof in Algorithms
Assume an arbitrary r T(n) <= cn + T(n/r) + T (3n/4) show T(n) <= Dcn for some constant D by reworking the induction proof, use the expression to argue that: T(n) <= Dcn does not hold for r=3. ...
How to get the Last Active Date of a Process?
Hi all, I have an assignment were in I have to print the last active date of the process using a COM In Proc Server in C++. I tried doing that with getProcessTimes() function, but that gives me an access violation error. First of all, I want to know if there is anyother command that gives the last active date of the process.. Second wh...
How to compare the data in 2 files in Perl?
For example : File 1: Apple Orange grapes File 2: Orange grapes Apple I am trying to check whether both files have the same data in different order. How to do it without using any external module? ...
how to get the each word which has the maximum value using java program
Hi friends, My input file will be look like this போதும் 1 போதும் 2 போதும் 3 போதும் 4 போதும் 5 போதும் 6 போதும் 7 போதும் 8 போதும் 9 போதும் 10 போதும் 11 போட்டால் 1 போட்டால் 2 பொன் 1 பொன் 2 பொன் 3 பொன் 4 பொன் 5 and my output want to be as போதும் 11 போட்டால் 2 பொன் 5 How to select the each word w...
Conversion error in vb.net?
I am puzzled by why it does not retrieve the data and keep saying i have a error "InvalidCastException", i am currently doing these in compact framework and is totally new to it, i searched around looking for a way to get data into a listview base on what little i know about java . these are my creation of table and inserting during form...
Using Jython, I need to randomize a string keeping the words in tact.
This is the problem: Function Name: randomSentenceRedux Parameters: 1.string – a string object to manipulate Return Value: A transformed string where the words from the original sentence are in a random order. Test Case(s): >>>print randomSentenceRedux("My name is Sally Sue") My is name Sue Sally >>>print randomSentenceRedux("he...
write program to perform sum = 1+ (1+2) + (1+2+3) + ... + (1+2...+n)
I can't get the codes right. Can somebody help? #include<stdio.h> int main() { int n, sum,i,j; printf("Please enter an integer, n = "); scanf("%d", &n); for(i=1;i<=n;i++) for(j=1;j<=i;j++) sum = sum + n; printf("sum = %d", sum); return 0; } ...
identify smallest integer and number of times it was entered
How can i write the code to identify the smallest integer i entered and how many times it appeared in the list i key in? Can somebody please help? #include<stdio.h> #define constant-999 int main() { int num, count; printf("Enter a list of integers (-999 to stop) : "); while(scanf("%d", &num) != -999) ...
Java counter problem
I have to write a program that allows the user to input 10 single digit numbers, and then it reads the largest number out of the bunch. I need help just starting out with the counter. This is what I need, a) counter: A counter to count to 10 (that is, to keep track of how many numbers have been input and to determine when all 10 numbers...
SQL Count function
I'm a student this is part of a homework assignment. Thanks for any advice. I have 2 tables. Employee has a column last_name, Job_title has a exempt_non_exempt column it's data type is bit. 0 for hourly 1 for salary The primary key and foreign key is job_title for both tables. I need to find out How many employees are salaried and how...
Custom Implementation of a Priority Queue
I've an assignment and the requirements are described in the code comment below: package com.abc.exercise; /** * 1) Implement a priority queue class with the interface given below. * 2) Multiple items with the same priority can be added to the queue * 3) java.util package should not be used * 4) You can add your own behaviour as r...
sql join within join?
I need your help building a SQL statement I can't wrap my head around. In a database, I have four tables - files, folders, folders_files and links. I have many files. One of them is called "myFile.txt". I have many folders. "myFile.txt" is in some of them. The first folder it appears in is called "firstFolder". I have many links to m...