64,152 Solved Topics
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| | Please can i get a help on joining these 3 queries SELECT customer.id,customer.custid,customer.compname, customer.balance AS balance,customer.phone,acctofficer.acctfullname AS acctoff, STR_TO_DATE(mastorders.lastpaydate,'%d-%m-%Y') AS debtage,customer.depot, STR_TO_DATE(mastorders.lastsuppdate,'%d-%m-%Y') AS purchdate FROM customer,mastorders,acctofficer WHERE customer.custid=mastorders.custid and acctofficer.acctoffid=customer.acctoff GROUP by customer.id ASC SELECT customer.id,customer.custid,customer.compname, customer.balance AS balance,customer.phone,acctofficer.acctfullname AS acctoff, customer.depot FROM customer,acctofficer WHERE acctofficer.acctoffid=customer.acctoff GROUP by customer.id ASC … |
| | 1. A company wants to transmit data over the telephone. All of the data are transmitted as four-digit integers. The company has asked you to write a program that encrypts the data so that it can be transmitted more securely. Your program should read a four-digit integer and encrypt it …  |
| | i was reading a book and came across this line "C++ matches a pointer of any other type with type void * and prints a numeric representation of the address. If you want the address of the string, you have to type cast it to another type," please any one …  |
| | Hi Guys, I'm looking to build an extremely simple script that would allow someone that I know to share files in a simple manner. This script should do the following: - Make a list of all the files in a specific folder. - Make downloadable links to these files (<a … |
 | Hi Friends, Please share your's experience about best supporting programming language for BigData & Hadoop. I'm also doing some research about this topic plz contribute your idea & experience for this topic. Regards, Rupesh |
 | `Console.WriteLine("Students {0}", variable)` This i understand but what does it mean when you put two numbers within the bracket example: `Console.WriteLine("Students {0,2}: {1,3}", student + 1, grades [student])` What do the 2 and 3 represent. I know the 0 and 1 correspond to variables, but I'm not clear on the …  |
| | I am writing a class that uses different policies stored in classes I want to declare this class by simply selecting the policies by writing `my_great_class<policy45, policy22, policy12>` (There can be a varying number of policies) which would translate automatically into: struct empty_class{}; struct policy12: empty_class{ // code... }; struct … |
| | Hi! This is just an example code: #include<iostream> using namespace std; int& example() { int a=5; return &a; } int main() { cout << example(); } But I'm getting this error: Error: invalid initialization of non-const reference of type 'int&' from an rvalue of type 'int\*' |
 | I am writing a program to input data from a file, format it and then output to another file. For some reason when i make the file I get this error: ----jGRASP exec: make g++ -ggdb -c Billionaire.cpp iostream:39:0, from Billionaire.cpp:7: c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\ostream: In constructor 'Billionaire::Billionaire()': ostream:384:7: error: 'std::basic_ostream<_CharT, _Traits>::basic_ostream() [with … |
| | Do you know if I can change of line in a list of lists? tareas = [] > otraTarea = [tarea,year,month,day, hour, minute, second, microsecond,str(cuando),cuando] `+'\n'+ []`(this is what i have tried) #I have tried to concatenate two lists, but the program returns a message, in which it's explained that …  |
| | Hi. Can someone explain why this isn't working? #include <iostream> #include <list> #include <string> #include <iomanip> using namespace std; /** * Global Variables */ int printer; int disk; int cd; int num; int pmem, plen; int dmem, dlen; int cmem, clen; class PCB { public: PCB() : pid( 0 ), … |
| | I have PHP scripts inside my HTMl file. I am using Apache. I created a .htaccess file and place it in my root directory of the application with the following as its contents AddType application/x-httpd-php .php .html .htm I want to allow the server to execute the PHP scripts inside … |
| | Hi. I'm trying to access some data in a List using an Iterator, but I'm getting an error message: #include <iostream> #include <list> #include <string> #include <iomanip> using namespace std; /** * Global Variables */ int printer; int disk; int cd; int num; string k; int pmem, plen; int dmem, … |
| | I have an html form to get a number from the user for a calculation. The first number is given. The second is entered by the user. The result is posted to the same page. BUT the resulting answer is now the first number and again the second number is … |
| | I'm an experienced ASP/MSSQL programmer trying to make the move to PHP/MYSQL and I've been able to wrangle my way up to now. I have a simple SQL query that works great in mymcadmin but gets lost in PHP. I've simplified it a bit here but this is the actual … |
 | I'm very new to PHP or any type of web programming for that matter. I need the to put the following script into two columns or possibly a table with two columns. I need Fahrenheit as the heading for one column and celsius as heading for the other? It took … |
 | Hallo, I get stuck when installing SQL Server 2012 : Services Account Name Password SQL Server Agent SQL Server Database Enginee SQL Server Analysis Services SQL Server Browser This Sharepoint Server connected to DCSHARE1 (Domain Controller) The problem is I do not know what to fill for Account Name & … |
 | this code was error.please help me fix it include <iostream> include <conio.h> include <algorithm> using namespace std; int a[]={1,5,7,4,9,8}; BST*binary_search_tree; struct BST{ int value; BST* left; BST* right; }; int search_bst(BST* node,int key){ if(node==NULL) return -1; if(key<node->value) return search_bst(node->left,key); if(key>node->value) return search_bst(node->right,key); else return node->value; } void insert_bst(BST* &treeNode,BST* newNode){ … |
| | Hi. Can someone tell me why the following code is giving me an error message? Thank you. #include <iostream> #include <list> #include <string> #include <iomanip> using namespace std; /** * Global Variables */ int printer; int disk; int cd; int num; string k; int pmem, plen; int dmem, dlen; int … |
| | Hello I have to do a sorted list code according to some instructions. a friend and I worked on this, and we pretty much ended up with the same code, his worked, but mine isnt, even though its exactly same! I have been trying for hours figuring how to make … |
 | I have a textbox called ssd. I want it to compile the C# code in it to "Prgoram.exe" at the same location. I tried this: CSharpCodeProvider codeProvider = new CSharpCodeProvider(); ICodeCompiler icc = codeProvider.CreateCompiler(); System.CodeDom.Compiler.CompilerParameters parameters = new CompilerParameters(); parameters.GenerateExecutable = true; parameters.CompilerOptions = "/target:winexe"; parameters.OutputAssembly = "Program.exe"; parameters.GenerateInMemory = … |
| | Hey friends, i have just started with my java classes but im finding it quick tricky so is there any books availabe for dummies  |
| | I a form with textbox as age. A database with 2 tables as- Accessonbook and Report. So when enter into value in Age textbox it should copy in age column in both tables. Please tell me the code.  |
 | I am having problem getting the final result here, it keeps on looping. #include<stdio.h> #include<string.h> #include<conio.h> #include<math.h> #include<stdlib.h> #include<ctype.h> int main() { int i, t, k, max, min, sumof; printf("Enter number of integer elements in array: "); scanf("%d",&t); int a[t]; printf("Enter list of array: \n"); for ( i = 0; … |
| | I got this code from the internet. import random #create a sequence of words to choose from name = ("stephen","bob", "robert","craig") # pick one word randomly from the sequence word = random.choice(name) #create a variabe to use later to see if the guess is correct correct = word # create … |
| | Hello, I am trying to update phone number in the maps: http://www.indonusa.net.id/IndonusaCMS/contactus.php Yet, I still do not find a way to do so. I have updated all the phone number in the maps just like in the text next to your message. Yet, even after I refresh it the phone … |
| | Hi I am new in php. Below code works fine. But If I change Select Command Like this: $sql = "SELECT login_id,password FROM user_right WHERE login_id = '$username' and password = '$password'"; It shows error recorde not found. Also I need to show the role of select user. Pls Help … |
 | here are my codes: #ifndef STUDENT_H #define STUDENT_H class student { public: void enterDetails(); void enterModule(); void displayDetails(); private: char name[100]; char studID[100]; char address[100]; char module[100]; }; #endif i want to add a 2d array "M[row][col]" in my class but i don't know how to do it anyone help? |
| | Hello there, I am currently working on a indepedendent project and I am realtively new to Python. Please note that this question revolves around Python version 3. But if you have a answer in Python 2 just write it down and tell me it is in Python 2 thanks. What … |
| | I have a secret word. People need to guess the secret word by entering single letters. When they start it will have **** for the word. When they guess a letter, an asterick shoud be replaced with the correctly guessed letter. I cant get the charachter to replace in the … |
 | Hi everyone My code is still a bit messy as I;m pressed for time. I have to write a simple game you play against the computer. I have my StartGUI class which instantiates the GUI and then I have a Game of Life class, which does not have a JFrame, … |
 | hey there nice people, i am making a hospital management system online (using asp.net, C#, sqlserver), now here is the main thing, i want to make website's own video chat (between patient and doc). i am wondering if it's possible with asp.net (i'll be using visual studio). If it's possible, … |
| | I'm working on what I thought was a straightforward program to accept user inputs and store them in an ArrayList. I created a separate class containing an object and a constructor (first name, last name, and an integer). In the main method, I prompt the user for input within a …  |
| | Hi All, I am learning Multithreading in Java and came across this code using SwingWorker for GUI multithreading. Here is the modified code done by me. import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.List; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.SwingWorker; public class MainFrame extends JFrame { … |
| | I need the code for this Pseudocode AccountBalance Begin Get starting balance Get withdrawal amount If withdrawal amount > starting balance Then Display “Insufficient funds” Else final balance – starting balance – withdrawal amount Display “saving account balance is low End If End |
| | Hi I'm working on this project and Ifaced this little problem,which is that I have two tables and I need them to be side by side but the problem is that I get every table in a separate line ! <center> <table border="1" width="40%"> <tr> <td> <center><h5>order</h5></center> </td> <?php $sql_order … |
| | I am label which display the current time ( label8.Text = DateTime.Now.ToString("HH:mm:ss"); ) but here i want on a button click the timer would alert on two minute (i.e time out).. |
| | So, I am trying to test my if else with two Character.toUpperCase answers and I keep getting this error: 1 error found Error: bad operand types for binary operator '^' first type: char second type: boolean I tried && and & and it won't work. If I don't use anything …  |
| | I was following along to the following tutorial - [Derek Banas Java tutorial 18 - Threads pt2](http://www.youtube.com/watch?v=G2Xd5avyk_0) and as I decided to go over his tutorial series by following along in notepad++ and compiling with the command line, so that I can experiment and test things I'm unsure about, I … |
| | I have searched everywhere for Borland Delphi 7 but I cant find it anywhere. I used it a while ago when I got it as part of my programmer courses but I lost all the data on my harddrive. I have looked on Borlands main website but I was unable …  |
| | Friends , I have a database in sql server named "Deposit" with a table "Receipts" .I want to display the data in a list box.My code is given below Imports System.Data.SqlClient Public Class Form1 Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim cnn As New SqlConnection("Data Source … |
 | Perhaps mt eyes are missing something simple, but I cannot understand what is going on. The following code produces intellisense and compile error "error C2373: 'GetHwnd' : redefinition; different type modifiers" I have many functions in same manner, but this will not play ball. extern "C" HWND __stdcall GetHwnd(wchar_t *); … |
| | Below code is working fine with small problem. My problem here is, how can i get the BegValue working in a proper order. please it is only the begvalue that is giving me a headache. Please some one help me. !!! Thanks in advance. Public Class Form1 Private Sub Button1_Click(ByVal … |
| | The following code is producing this error `Microsoft VBScript compilation error 800a03f6 Expected End ` followed by `/stock/availability-quick/availability2.asp, line 130` I think it is a if else error. I have looked over the code and i don't see the error and would benefit from an expert pair of eyes to … |
 | Hello Community, I've been wondering if an SFTP connection would be worth it? |
 | How to save the created txt file to a specified path? For example to C:\\ Drive. When the code creates a file it saves to the workspace folder of the project. Do I have to set the directory to C:\\? I tried using `SetCurrentDirectoryA` function but does not change to … |
 | Hello good people I am working on a caeser cipher program for class. However, I ran into a problem with my outputs. Up to a certain point for example: two('y', 'z') Would give a '\x92' output instead of a 'x' output. Currently this is my code so far: def chartonum(ch): … |
| | Hi, I am new to wxpython and trying to develop a small GUI interface (shown below). User selects a python script from "Browse run script" and when he/she hits the button "Execute RunScript", the script should execute via aardvark i2c interface. But I am not sure why it's not getting …  |
 | Good Day, guys, please help me, after validation in javascript,I want the user to go to the next page. I tried window.open ("sinfo.php"); The problem was it opens in another tab. I want the next page (sinfo.php) to be on the current window. Thanx |
 | Hi everyone, Got a pesky little issue here with cookies. I have searched numerous forums and numerous posts of how to delete a cookie. So, I am much aware of this doing the trick: [code=php]setcookie('cookie_name');[/code] Basically where not assigning any value to a cookie will delete it. (This is just …  |
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