Software Development Forum

How can I sum only the first and the last item in an array list? ex.: list = (300, 450, 150, 800, ...)

Hi All,I am coidng a movie database using vb.ebt (VS 2013) and using access (2013) I am trying to code my save button, but every time i run the program and try to save my data I get the below error An unhandled exception of type 'System.Data.OleDb.OleDbException' occurred in System.Data.dll …

Hi, I have made a class and have an overloaded ostream operator method in it... However it tells me: "overloaded 'operator<<' must be a binary operator (has 3 parameters)." Can someone tell me how to fix this? Thank you! I have included some of my code: class Element { private: …

#include<iostream> using namespace std; class product { private: int code; char name[20]; double price; int instock; double soldperyear[12]; public: product(int,char[],double,int); void setproduct(int c , char n[],double p,int i) { setcode(c); setname(n); setprice(p); setinstock(i); } void peryear(int i) { for ( i=1;i<=12;i++) soldperyear[i]=0;} void setcode(int c) { if(c>=2500&&c<=2750) code=c; else code=2500; …

Q:Write a program that reads characters from the user until a * is entered. Your program displays the count of capital case letters, small case letters, vowels (capital or small) and digits. (Problem) when user enter input char more than 1 digit as(gggg*) then {cout<<"\nPlease Enter Input\n";} repeats 4 times …

how to dynamically insert keys into an existing python dictionary, input is the .json file and the output in a .csv file. this is the input in the .json file [{"FIRSTNAME":"barc","EMAIL":"jahg@jh.com","ADDRESS":"gyuyj"}, {"FIRSTNAME":"rth","EMAIL":"tht@thuyj.com","ADDRESS":"ytju"}, {"FIRSTNAME":"trhy","EMAIL":"klo@pyu.com","ADDRESS":"trght"}, {"FIRSTNAME":"ghy","EMAIL":"ytj@uki.com","ADDRESS":"ukyk"}] output is required as .csv file(in each row its specified columns should be added) "FIRSTNAME":"barc","rth","trhy","ghy" "EMAIL":"jahg@jh.com","tht@thuyj.com","klo@pyu.com","ytj@uki.com" …

Write a program that calculates how much a person would earn over a period of time if his or her salary is one ringgit the first day and two ringgit the second day, and continues to double each day. The program should ask the user for the number of days. …

I'm getting an excel range to an array. From my search it was clear I need to use object array. object[,] saRet; oRng = oSheet.UsedRange; saRet = (System.Object[,])oRng.get_Value(Type.Missing); This works fine, but what I really need is for that array to be string. So how might I cast object[,] to …

# Heading Here # Im Getting declaration syntax error in void func2 (intc, intd), need help fixing it, and im new to this so i have no idea whats going on.. #include <stdio.h> #include <conio.h> void func1 (int a, int b) void func2 (int c, int d) void main (void) …

I need to play video files which are located under client pc. For this I need to use embedded http server which will be setup on client. [embedded http web server is taken from here](http://www.codeproject.com/Articles/20445/C-Customizable-Embedded-HTTPServer?msg=4370868#xx4370868xx)If there is more advanced one I would like to learn. I'm using jwplayer to play …

Hi guys, I am a new member to the group. I am trying to build an inventory management application using VB.net 2008 express edtion and MS access 2007. I have managed to load the Combo box (cmID) on form(frmSales) with product Ids from tblProducts. I have two textboxes on the …

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 …

So, I've written a Custom Binary Format outline but I'm not sure how to translate it to code. I was looking for a few tips on where to get started? Here's my outline. MAPDATA { signature // U24 0x4D, 0x41, 0x50 (MAP) version // U8 0x01 width // U16 (MAX …

Hi, I am new to google mock so sorry if you think this is an easy question. I am currently testing codes for a project. There are async calls and i am having a hard time checking the sequence of function calls. I cannot share the codes so I'll just …

Count Equal Numbers in Text box How ? Hey guys, I want to Know is there any way to Count Similar Numbers which entered in single textbox in VB6 as a example; i have textbox named txt1 in that user can type any value (2,12,23,2,34,12,2,2,23,54,12....) (separate the values by adding …

Write the nested loop that causes this output below: *It can only use one if statement ( I'm having issues solving it I never solved a nested loop like this one before seriously need some input on how to solve this program) Here is a link the proper image of …

Hello , I've been trying to figure out this code and determine what's causing the miscalculation on it. Everything seems right for calculation , I don't get why there is if else statement for output screen. This is just a practice question for myself. The High Fashion Department Store wants …

This is a homework problem; however I just want some direction. I have to write a module graph.cpp that implements djikstra's algorithm. so far i am at the reading in module and am trying to make an array of structures. here is the code. [code=c] // Zachary Dain // CSCI …

Hi, Guys. I'm calculating the correlation coefficient between two HashMaps of Stock Prices keyed on Dates. However, the Dates do not always line up perfectly. So, I need to line-up the two HashMaps by their Keys. Thus far, I'm creating two ArrayLists of the Dates, doing retainAll between them and …

Hello everyone. I am currently making some database connection modules in Python inb order to learn Python's approach to OOP and also to lear how to connect to databases via Python. I successfully made a package with modules for postgres, mysql, sqlite3, and MongoDB. The classes simply connect, disconnect and …

Okay I have an array but how do I make it descending? I have it able to print out 1, 2, 3 but would rather have it do 1 2 3. code below #include <iostream> //Initalize Iostream using namespace std; void printarray(int arg[], int length) { //Print array function for …

I have class within class public class List { public int RecordCount { get; set; } public IEnumerable<ServiceElementItem> ServiceElement { get; set; } } public class ServiceElementItem { public int ServiceElementId { get; set; } public string ServiceElementBusinessId { get; set; } public string Description { get; set; } public …

i need to connect my PC to Micro controller through Bluetooth,to make it simple my PC will continuously send string to Micro controller depending upon string micro controller performs task ,can this post will be useful to my problem else can u please guide me? Thanks in advance

Hey guys ..!! so today I was solving another problem involving a loop in it and i'm not sure exactly how to apply that condition to repeat it unless the terminating condition becomes true. I tried to do it on my own but its not working. can anyone of you …

Hello my name is Leonard Norwood Jr. I'm doing a little Poker thing right now on my own time for practice, but I have a heck of a problem. I'm making two classes called Poker.java and PlayPokerDriver.java right now, and I'm almost finished by somewhere between initializing the decks I …

This is supposed to be a Rock-Paper-Scissors game. Everything's just going fine until I inserted graphics. What I was supposed to do is to display the figures I've poorly made whenever a choice is made. I can't really explain it so please take a look at my code, thanks (I'm …

**Problems 1: Spiral matrix - Advanced** Source of the problem: [Here (not in English)](http://www.spoj.com/PTIT/problems/BCACM11B/) Spiral matrix is formed by filling number 1 in 1st row 1st column, after that, filling with increasing number by clockwise, example: 1 2 3 4 5 16 17 18 19 6 15 24 25 20 …

Hi, I wonder if it is possible to put a "Twitter Follow Button" on a windows form application? Usually I have this code on a ASP.net webform. <a href="https://twitter.com/_TwitterName" class="twitter-follow-button" data-show-count="false" data-show-screen-name="false"></a><script> !function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (!d.getElementById(id)) { js = d.createElement(s); js.id = …

can someone give me some hint on how to use a array structure in a fuction?? Thank you

I am having a confusing time with understanding arrays and variables because of this reasoning: Variables are aliases for memory locations and array name is the address of the first element of the array then why are variables not accesssed as *i whereas the first element of array is accessed …

Here is my RegEx declaration. private Regex rxPattern = new Regex("^(book-[a-z]{1}\z)"); I'm expecting it to match start of string "^" To end of string "\z" But the "z" is causing the error. I'm fairly new to RegEx and cannot find a solution, if anyone can educate me a little that …

Hello Everyone Please share any complete example on protocol buffer with Java.I also need instruction to compile java code which use these protocol buffer (protobuf).

I'm using a Customizable-Embedded-HTTPServer for a project. Simply I'm calling response.SendFile(@"E:\folder\xx.mp4", "video/mp4") to play video files located at local folder. But it gives me "An existing connection was forcibly closed by the remote host" error. I've searched a lot but couldn't find a solution! using (FileStream fs = File.OpenRead(path)) { …

This is the program I need to re-write and I dont understand. Sub Main() Dim array(24) As Double, i As Long array(0) = 1 For i = 1 To 24 array(i) = 2 * array(i - 1) Next i Call DisplayArray(array) End Sub Sub DisplayArray(ByVal array() As Double) Dim i …

Actually I have a raw data which will have the information about scan rejected files. Each rejected item will log info. in 3 elements in raw data i.e i)ScanRejected ii) ScanInitiated iii) CardSupplier. I'm trying to process this raw data and put it in XML in a formatted way. While …

Title: The core of the core of the big data solutions -- Map Author: pengwenwei Email: pww71@sina.com Language: c++ Platform: Windows, linux Technology: Perfect hash algorithm Level: Advanced Title: The core of the core of the big data solutions -- Map Author: pengwenwei Email: pww71@sina.com Language: c++ Platform: Windows, linux …

I came across this code of [firefly algorithm](http://en.wikipedia.org/wiki/Firefly_algorithm) and need to use it in my major. If any of you could explain the working of the functions, it would be of great help to me. Thanks in advance. #include<iostream> #include<stdio.h> #include<stdlib.h> #include<math.h> #include<time.h> #include<string.h> #include<memory.h> #defineDUMP 1 #defineMAX_FFA 1000 #defineMAX_D …

Hello! I'm working on a program at work for a device we are building, it's a device that (basically) in real-time reads in sensors, makes decisions about said data, and performs output. I have a loop that runs, and then calculates how long to sleep, so we can get as …

OK, I've seen this error explained at least 100 times on the net. But in every case, it seems to be an error of #including <string.h> instead of <string> or metioning string instead of std::string. But, I've done all those things. And it still does not work. By way of …

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? …

#include<iostream> #include<cstdlib> using namespace std; int main() { srand(21); cout << "Unique numbers:"; for (int x = 1; x < 10; x++){ cout << 1 + ( rand () % 20) <<endl; } system("pause>0"); return 0; } Guys this is my program. Can i ask if how can i vertical …

Hello, I am trying to compare a double to be within various ranges, but the comparison is not working correctly. Rounding precision is not a concern, because if the value will match the boundaries so rarely, and it is rounding up to the higher range is acceptable. Below is the …

I have a function that counts the commas in each item of an array of string. public int CommaCount(string[] sarray) { int count = 0; int commas = 0; for (int i = 0; i < sarray.Length; i++) { commas = sarray[i].Count(c => c == ','); if (commas > count) …

I need help to display on the screen rock when user picks rock, paper when user picks paper, and scissors when user picks scissors. Thanks

how do I print all elements in an ArrayList?? this my code below. import java.util.ArrayList; /** * Write a description of class PetDatabase here. * * @author (your name) * @version (a version number or a date) */ public class PetDatabase { private String name; private String species; private int …

Hi guys, I am trying to write a program which picks the closest number possible out of a dictionary. The dictionary contains 50 doubles values, and I use a random double to pick the number i want to get the closest to if that makes sense. Currently I am using …

please help me to make a knight tour code using c# form