64,152 Solved Topics
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| | 1) what exactly is the difference in a constructor if you put reference on it? example[CODE]ConstructorX(string first):firstName(first)[/CODE] with [CODE]ConstructorX(string &first):firstName(first)[/CODE] 2) [CODE]const Array &operator=(const Array&)[/CODE] the first const what exactly means?the const in the parenthesis is that the object is constant if its at the end means the function cannot … |
| | Hello, I'm using MySQL for a database containing 1 table with 10 columns. The point is to get a view of a few columns and use it in a web application So, I need 2 columns from this table - Pad(varchar) and Sequence(integer), then I create 8 views like this: … |
 | hi guys) please tell me - why the Turbo C show the error - [QUOTE]LINE_MAX is undefined [/QUOTE] for code = [CODE]/* */ #include <stdio.h> #include <alloc.h>/* */ #include <stdlib.h> #include <limits.h> main() { char a=''; char * ch; char * inputstr; printf("\nPlease specify the input string \n"); / fgets … |
| | What im doing is i have a form with 4 inputs like below. and im using the post method to store the fields values so i can send them to the database. what i neeed is each input to be put into a separate row in a databases table. also … |
| | Hi I have a issue that my application in currenlty doing number validation with an issue. I have a query that checks number is stored procedures but need more checks. [-d0-9] and checking that the lenth is 10 characters, all that is working as it should. The issue I'm having …  |
| | Hi, I wonder which is best tool for synhronise localhost project with the same project on shared hosting. For example, when I run that tool, my localhost project should get all files that doesn't contain from shared hosting (newest added images for news, organizations etc). I need something like SVN, … |
| | I have a map that is not returning the correct number. First it did, then it didn't now it's just messed up. Any help is appreciated.Thanks. [CODE]struct file_data { std::wstring sLastAccessTime; __int64 nFileSize ; }; int GetFileList(const wchar_t *searchkey, std::map<std::wstring, file_data> &map) { WIN32_FIND_DATA fd; HANDLE h = FindFirstFile(searchkey,&fd); if(h … |
| | Hi, I have a datagridview on my form.There is a column of roll no in the datagridview. I want that whenever user presses anyother key than a number key(ex:1,2,3,4....)than immediately i should get a messagebox that only numbers allowed. I have tried the below code on datagridView Cellvalidation event but … |
 | Hi, my problem is, I have set the parameter to be 150 in the database. and the alert triggered should refer to the parameter value. if the calculation result exceeds the parameter value, it will turn the box to red colour. however, i notice that it only compares the first … |
| | I'm not sure if this is the right forum or not, but I have been trying to compile some example code from [I]Game Coding Complete 3rd Ed.[/I]. The project uses LuaPlus for scripting and it also makes use of the Boost Library. Both of these seem to have a namespace … |
| | [CODE] import java.io.*; public class CheckersGame { public static void main (String []args) throws IOException { BufferedReader jill = new BufferedReader (new InputStreamReader (System.in)); System.out.print("Enter name of the first to move: "); String name = jill.readLine(); System.out.print("Enter name of " + name + "'s opponent: "); String opo = jill.readLine(); … |
 | I have decided when I have free of free time I will be playing around small php editor. I was wondering where I can get a list of keyword for mentioned languages, preferably in csv or like format Thanks! [B]EDIT:[/B] I forgot CSS |
| | Holler fellow programmers I have an error that's been bugging me for almost a day now: I keep getting 14 of this error: class, interface, or enum expected Yes, 14 different exact same error message basically for every line of code in the inputGetter method below. Can someone please help... …  |
| | I have what would seem to be a simple problem, but I can't get it. To save screen space, I'm trying to create a simple autohide window using a panel control, which will slide open and closed on the MouseEnter and MouseLeave events. For example, here's what I have on … |
 | [CODE]#include <iostream> #include <iomanip> #include <string> #include <cmath> using namespace std; int main() { double accNum; string scode; string scodeab; double minu; double minam; double minpm; cout << fixed << setprecision(2); cout << "Please enter account number: " << endl; cin >> accNum; cout << "Please enter service code: P(for … |
 | Anytime I try to compile the code below I get the following error message. E:\Users\Cosman\Desktop\C++ PRACTICE\read2.cpp|52|error: no match for 'operator<<' in 'std::cout << m' How do I correct this? [CODE] #include <iostream> #include <fstream> #include <cstring> using namespace std; class A { private: char name[50]; char gender[8]; int age; public: … |
| | This is probably a very simple answer that I'm missing. I have index.php and qeury.php in the same directory. Users visit index.php, which prints some info. It then needs to call qeury.php and exit, without waiting for query to finish running. Query just pings a server and then exits. How … |
| | I'm using C++ VS 2010 in Win7. I'm trying to delete a zip. and/or txt. file that is less than a minute old. However; heres the rub. I don't know the name or location of the file. Only that I want to delete it by extension and a timestamp of … |
 | Ok so with the help of the Daniweb community here I've gotten better with AJAX/jQuery, enough to make a photography with it rather than flash. I'm very excited with how most of it is working but I've hit a brick wall I really need help with. [B]Outline:[/B] I have a … |
| | Hi i created a code in vba. the requirements is that -input is 3 color bands from a resistor(in order) -and the output of the resistor in ohms -make function work for 3 colors.I am using vba. I came up with a code but it has my function highlighted in … |
| | Hi, I'm using JasperReports in netbeans, on Ubuntu. When I execute my java application on netbeans I have no problem saving the reports, but when I clean and build the program, and run it from the .jar, the program can't save the reports. I don't know if that's because of … |
| | Hi guys, I have a feeling there's something small I'm missing from this code. I'm trying to add captcha to an existing contact form that I use. The captcha image displays fine, but regardless of what I enter, the email gets sents and I'm redirected to my thank you page. … |
 | I have this problem: [CODE]struct Position { float x; float y; float z; }; bool CheckCollision(Position *vertices, int numvertices, Position start, Position end) { //return true if there was NOT a collision with the polygon defined by the vertices and the vector defined by the two positions. }[/CODE] I dont … |
 | Hi all. I am trying to create a search that displays 3 columns. Analysis, Amount, Amount of Positiv results I have nailed down Analysis, Amount, but have problems displaying Pos. result. [CODE] SELECT DISTINCT SP.ANALYSIS AS Analysis,COUNT(SP.ANALYSIS) AS Amount FROM SAMPLE S INNER JOIN SAMPLE_PARTS SP ON SP.SAMPLEID = S.SAMPLEID … |
| | i have this question in mind since i first found out that you can declare and array like this [CODE] <type>* nArray [/CODE] how does the compiler how much storage to allocate? i've heard that it doesn't allocate any storage, it just points to some address and when you use … |
| | I've put on my website a box which gets longer in height when it is clicked, I did this using the following code: [CODE] <script type="text/javascript"> var x=100; /*original height*/ function expand() { document.getElementById("move").style.height=x+'px'; /*Height from css.css in the div called "move"*/ if(x>300) { /*Desired height after expansion*/ clearTimeout(t); return; … |
| | hello folks, can any one please tell me what software can me downloaded to make my own .swf files. i.e flash files........ thank you  |
| | hi people I have a project that requires me to use time.h in animation. can anyone show me a simple code of animation using time.h??? |
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| | Hi guys. I am getting the error: LoanProgram.java:17: variable payment might not have been initialized payment = getPayment (amount, rate, years, months, payment); I am stumped, and the lab is due tomorrow. If anyone could help me out I would greatly appreciate it. :) I'll put an asterisk on the … |
 | Hello.I've been looking for a free C++ compiler for windows which supports the new standard features but i had little luck so far.Does someone have any knowledge of one? Thank you in advance. |
| | I was trying to print the location of array elements using the following code [code=c] #include<stdio.h> main() { int arr[]={10,20,30,40,50,60}; int i; for (i=0; i<6; i++) printf("%d ", &arr[i]); return 0; } [/code] Error: [B]printArrayLocation.c:7:3: warning: format ‘%d’ expects type ‘int’, but argument 2 has type ‘int *’[/B] While i …  |
| | Hi. I have a bounded datagridview and it's work fine. I want to know if I can to add a combobox column to datagridview. Thanks for all. |
| | hi. i'm doing a search option in my system where if your searching for a entry even if you didnt typed the whole word, all of the entry that contains the letters that you have typed will appear, well i really cant explain it but it goes like this if …  |
| | i really need a GOOD socket tutorial, i've followed some of them from google but they aren't complete, i know that socket programming is forked into many categories, basically i am interested blocking & non blocking sockets, synchronous & asynchronous sockets(used with select() and FD_ISSET macro etc) PS: i know … |
| | Is it possible? Currently, I am inserting data to a CSV file using PHP via the fputcsv() function. When opened in Excel, it works fine. The problem is that all the columns are of the default size. Is there a way to autofit the column width and possibly modify the … |
| | Ok so I want to have the user imput a name of a file to decode it. How would I do that? EX: cin>>fill ifstream in (fill) |
| | Hi, I was preparing for SCJP 1.6 and i have the following snippet of code. [CODE]package com.self.trials3; public class Animal { public void Animal(){ System.out.println("Obviously Works"); } Animal(){ //System.out.println("Constructor"); //super();use super or this() as first line in your cons to call other //cons. this("Adarsh"); } Animal(String AnimalName){ //System.out.println("AnimalName >> "+ … |
| | Hi, Is there a way i can pass variable column names to a stored proc? Here's what i want to do: i have lots of tables and for each of those i want to select out a few columns. e.g from table titles i want to pick out title_name and … |
| | Hello, I have produced some VBA in Access that creates a spreadsheet. I have also created an SQL query that retrieves records from an Access table. I have 48 tables (each table for a specific institution centre). I have created another bit of VBA code that creates a spreadsheet and … |
 | Hi everyone; I'm working on a c# service that queries the DB and checks if the right info is available for users. It's an Airline tickets reservation system. I am not sure why my code is breaking after it gets the query and it gives an error about sqlclient.. [CODE] … |
| | this program calculates all the prime numbers between two input numbers num1 and num2. first an array is created and num1,num1+1,......num2 are stored in that array and then all elenemts of array are scanned and if they are divisible by any odd number except itself or by 2 then 0 … |
| | The input for this program should be like this: How many tests? 4 Grade on Test 1? 95 Grade on Test 2? 88 Grade on Test 3? 80 Grade on Test 4? 96 Your average is: 89.75 <------- this is where I can't get it right, can anybody take a … |
 | Hi I know I have been going round the houses with this image resizing quite a bit...but still trying to do it. Some progress has been made. This is not using Imagick, as I have no idea about this library. So what the below code is now doing is picking … |
 | I have nearly finished an assignment that calls for implementing a media library. I have pinpointed my current solution for the addItem method in the library class as a memory leak, but so far I am not certain how to fix it. The addItem method I have so far is … |
| | I'm having a severe brain drain moment and can't figure out how to validate user input? I need to make sure that it is an int and it is greater than 2. And I need it to loop until the user meets those requirements. I tried a try-catch block but … |
| | Hi guys. Im new to PHP by necessity really due to a friend of mine asking me a favour. I know vb.net so not completely new to the whole programming scene. But anyway, I have approx 5 drop down lists. Each item in each drop down has a value "option … |
| | [CODE]#include<iostream.h> int main() { int num,j,c=0,limit,i,k; int*freq=new int[]; int*munam=new int[]; cout<<"How many times u want to enter the numbers\n"; cin>>k; cout<<"tell ur range in which u will enter\n"; cin>>limit; for( i=0; i<k; i++) { cout<<"Enter number\t"<<i+1; cin>>munam[i]; if(num>limit) { cout<<"invalid num"; return 0; } for( j=0; j<limit; j++) { freq[j]=0; … |
 | Hi, How can I use preg_replace to determine if a string contains a word beginning with a pattern, and if it does, remove it? Basically I want to capture query strings from a search, but throw away search modifiers. For example, the search query string: site:daniweb.com query would just become … |
 | I'm not sure how to describe this in the title, so it may be misleading. Basically, I want to change the image of a LOT of buttons. And when I say a lot, I mean 93 of them. So obviously, this approach: [CODE]btnSinglePlay.BackgroundImage = Image.FromFile(buttonN);[/CODE] would take too long, since … |
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