2,055 Topics
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| | I am having a problem when trying to delete specific record from a text file. Data structure is as follows: typedef struct { char id[9]; char name[50]; float amount,price; }PRODUCT; typedef struct id { char key[9]; int address; }ID;//for searching typedef struct node { ID id; struct node *left,*right; }NODE; …  |
| | Howdy All, I'm creating a database for UFO sightings and would appreciate some feedback or suggestions. Yes I know, strange topic. Some background info so that the problem is understood: I'm extracting data from several large UFO database catalogs, news articles, and other miscellaneous sources, so that the data can …  |
| | #include <stdio.h> #include <conio.h> void main() { int m; int n; int multi; printf("enter value : "); scanf ("%d", &m); printf("enter value of multiply : "); scanf ("%d", &n); multi = multiply(m,n); printf("the value of multiply : %d", multi); } int multiply (int m, int n) { if (n == … |
 | Although objects collections have a place in the PHP world many years now , their use is now flourishing because more and more PHP programmers turn to OOP. This tutorial is a sequel of https://www.daniweb.com/programming/web-development/tutorials/500118/a-simple-data-layer-for-oop-php-applications (we will refer to it as “previous tutorial”) and https://www.daniweb.com/programming/web-development/tutorials/500118/a-simple-data-layer-for-oop-php-applications , in order to understand … |
| | what I am trying to do is store same letter to same node. For example: let say I have person, people is sent to be put into a node. This will create two node. I want to some thing like P: Person People Person and People are same note When …  |
| | Hello, This tutorial is the next of “[A simple Data Layer for OOP PHP Applications](https://www.daniweb.com/programming/web-development/tutorials/500118/a-simple-data-layer-for-oop-php-applications)” so having read it and made your own tests is needed to understanding what we are doing. So far we have a Db object (child of PDO that standardize and simplifies its use) , a … |
 | i have these code for save a structure data to a file and then read it: struct user { string name; image foto; string adress; int age; }; user usrName={"joaquim",image("C:\\Nova pasta\\acrobat.bmp"), "viseu",32}; user usrName2; FILE* f = fopen("C:\\Nova pasta\\username1.dat", "w+b"); if(f==NULL) DebugText("error"); fwrite(&usrName, sizeof( user), 1, f); fseek(f, 0, SEEK_SET); … |
| | Hi,i have a code like this in .h file: #pragma once #include "stdafx.h" #include"iostream" using namespace std; // balance factor enum enum BalanceFactor { LH, RH, EH }; // treenode struct template<class T> struct TreeNode { T info; TreeNode<T>* left; TreeNode<T>* right; BalanceFactor bf; }; template<typename ItemType> class TreeType { … |
| | How to Store Multiple file data in nested structures. i have for e.g File1.txt ========= ADD:1,2 MULTIPLY:3,4 PRINT:HELLO WORLD File2.txt ========= SUBTRACT:4,5 DIVIDE:5,7 PRINT:HELLO NAME I need a C Program to store The file data in structures. And According to command given should do what is required. The size of … |
| | Hi Everyone. History: i am self taught developer (5 years + ). mostly doing simple automations in 3dsmax / foundy nuke, maya etc. i worked at a studio (film / animation) as Technical Artist. My weaker side is (server / client). i have done basic sockets tutorials etc to send … |
| | Hello, i had some problem with the below code. How to change the 'Click to Read More' and 'Click to Hide' function by just click 'Step' to show and hide? page.php <blockquote class="bigtext"> <p class="title"><b>Step 1</b><hr class="style1"></p> <p></p> <p></p> </blockquote> javascript <script> $(function(){ var animspeed = 950; // animation speed … |
| | Hi all! I have developed my application in VB.NET that uses a mysql database. From my application, I can make mysql backups and restore them. When i take a backup, the result is a .sql file which is saved somewhere. But as usual, one can open that sql file with …  |
 | I'm working on a project for a tic tac toe game. I'm working on this with a partner (assigned) but he has kind of fallen by the wayside. Here is the assignment: Filenames: ttt.h, ttt.cpp, tttmain.cpp Your second project will be completed with a partner. For this project, you will …  |
 | Good morning members. I am now in a small project on request of a friend for his school. This a WPF with VB.Net 2010 project with .accdb database. when I am trying to insert a blank data to the database only entering **Student Name** and **Roll No** and others are … |
| | 10x^6+3x^5+4x^+4 9x^6+2x^4+2x+5 1)could you please propose a suitable data structure to store above ploynomials. 2) and, how to add & multiply them using python codes.  |
| | **Student and Courses Record Management System (LinkList of LinkList)** In this Assignment you need to create a small student and courses record management system with following functionalities. 1- Add New Student This function will allow you to add a new student record,you can use any three attributes of your choice … |
| | # Which book are best for Algorithm and Data structure # |
 | HI all, I have a question about how Entity Framework deals with databases and models, especially when it comes down to change your model after the database has been created. Let's look at a very simple example. I have an EmployerDetails class as below: using System; using System.Collections.Generic; using System.Linq; …  |
 | Oh No, not another LockBits demo. Well hopefully this demo may also give you a little in site into actually playing with, and calculating some simple effects as well as understanding the advantages of LockBits as apposed to GetPixel and SetPixel. # A Useful Note. # It is important to … |
| | i am looking for making a career as data scientist..... how should i start. i know data structure okey.... any suggestion... |
 | When posting any request for help with an assembly language problem, we ask that you provide some crucial information: * The operating system (Windows, Linux, MacOS, etc.) the program will be running under, including the version, * The assembler you are using, including the version, * the bit width being … |
| | Below is my database structure: PostUUID subid pricing Name Poscode abc1 1 100 userA 56000 abc2 2 100 userA 56000 abc3 1 100 userB 56000 abc4 2 100 userB 56000 abc5 1 100 userC 56000 abc6 2 100 userC 56000 Now I want to perform search on this table called … |
 | what I'm basically trying to do is: x = struct( size=4, order='var0', # <<< struct.__call__( size, order, **vars ) var0 = bu32 # { 'var0': bu32, } ) data = x() # read data from imported file print data.var0 # should return a bu32 int if data.__class__ == x: pass … |
| | I am posting it here because I would really like to read other opinions. I am creating a module for a framework that anyone could install in its system and behave the similar (almost) way. I am starting with that because it is important that I don't control system settings …  |
| | Hello, I have created a select product using a different way like frst we select product from dropdown and click on next button on next page the dropdown have to show the company names i.e only that companies which belongs to the selected product but i am bit confused how … |
 | In the course of installing adquick 2.4 as instructed. I came across this error Parse error: syntax error, unexpected '''' (T_CONSTANT_ENCAPSED_STRING), expecting identifier (T_STRING) in C:\xampp\htdocs\ads\install\index.php on line 1226. I HAVE JUST BOLDED THE LINE 1226 FOR EASY REFERENCE IN THE CODE. <? function startparsing () { $content = '' … |
| | I currently wish to write a query to duplicate data in database while modifying one column. First of all, my database structure: table code CURCD NOT NULL VARCHAR2(3) CODE NOT NULL VARCHAR2(2) ITEM NUMBER(1) DSCPT VARCHAR2(20) The unique idx is the curcd,code,item. What I wish to achieve is duplicate data … |
| | Salam i want to write a binary tree code with left and right child my question is that when one left side and one right side child complete then system credit 700 to parent id plz any body from this forum can help me? i am thankfull to you its … |
| | I have some doubts concerning some basic C++ concepts, and would be very thankful, if someone would kindly clear the doubts: a) Every variable of a data type occupies a specific amount of memory, like int occupies 2 bytes and so on. So, if I declare a reference variable as, … |
| | Hi, I am trying to construct a binary tree using a list. class Element { private: list<Element*> _children; char* _name; //...other data members and methods } I have a class ("Element") that has children ("_children"), but I cannot figure out how to add children to the elements of "_children". I … |
| | Hello Dear DaniWeber's. I've been away for some time, and have recently made the transition from VB to C# (Finally). Using C# has opened my eyes to many things that I had either not fully understood, or had a lazy attitude towards. I find myself visiting the core of OOP …  |
| | Hey everyone! I'm brand new to Android and have been working on a very basic app that just takes a picture with an image overlay and saves it. So far I have figured out how to get the camera preview, take a picture, and do an image overlay on the … |
 | **Okay this is my first post and I am quite excited that how it will be recieved by the community. I have a long experience in C++ programming but never been a part of any community hence I believe that as a tyro, my mistakes will be ignored.** This post …  |
| | how can I implement stack with one queue? the queue only can enqueue and dequeue |
| | 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 …  |
| | #include <iostream> using namespace std; // Constant for the number of months const int NUM_MONTHS = 12; // Declaration of the WeatherInfo structure struct WeatherInfo { double rain; // Total rainfall double high; // High temperature double low; // Low temperature double averageTemp; // Average temperature }; int main() { …  |
 | Hi guys, I want to insert data(integer OR decimal) into database record. should the data structure be integer? if so how do I print the value I enter (12.75 or 3)? thanks in advance.  |
 | Hello! I've got a question about implementation of a standart tree model for TreeView. I have a response from database that lools like [ [A, [a,b,c]], [B,[a,b,c]], . . . [N,[a,b,c]] ] And I want to pass it through treemodel to treeview, for in GUI it looks like that: A … |
 | I am recieving a notice(s) multiple times when running a file: Notice: Undefined index: Telephone in C:\xampp\htdocs\demo\nest_Demo_thrasher.php on line 111 Notice: Undefined index: eMail in C:\xampp\htdocs\demo\nest_Demo_thrasher.php on line 112 I have researched this and the ways to solve it. Most ways involve isset it seems, but none of my code … |
| | I have been trying to write a simple program to issue Identify device ATA command to a drive with VB 2008 express, and has so far been unsuccessful Below are the code I have so far. But everytime I call the DeviceIOControl, it always return false. Can someone tell me …  |
 | Good day all ! i have a multi-dimensional array. the array was carefully built from my xml structure. here's it : array (size=1) 'Articles' => array (size=4) '@About' => string 'programming' (length=11) '@compile' => string 'pro' (length=3) 'Article' => array (size=3) 0 => array (size=6) ... 1 => array (size=6) … |
| | So here is another assignment I am working on. I can't get to my schools computer lab due to family, job, etc. Here is the assignment: Structs file name: lab2.cpp 1. (3 points) Define a struct, named FullName, that contains the following fields: lastname - a string firstname - a …  |
| | Hi, I'm new here :) the problem is if i increment one member, for eg --------------------------------------- struct day { int hour[40]; int min[40]; int mins[40]; int rec; int totmins; int totsal; char status; int temp; }; struct month { struct day *da;}; struct year { struct month *mn;}; struct roll … |
| | Hello guys, I have a problem with Win32 C++ GUI. I'm creating a program and as one of the steps, I want to: 1. Let the user type somthing in the textbox, 2. Show it in another box/area, 3. Clear the typed text from the textbox. It would be something … |
 | Define a structure Ticket that holds data items of a carnival which includes: name of the carnival, total amount of tickets, price per ticket, total tickets sold and total sales. The total sale is based on the price per ticket and total tickets sold. Input the data into structure type …  |
 | Hello, i hope that someone can take the time to help in this. Here exactly what i should exactly do: - Established the corpus. - Prepare our project structure. - Write a Perl script that : 1 Browse the corpus. 2 Cleans files and makes the necessary substitutions SYGMART . … |
 | I've a json structure : { "Photos":{ "Photo":[ { "ID" : 111, "type" : "JPEG", "URL": "blabla" }, { "ID": 222, "type": "JPG", "URL": "blaaaaaaaaa" } ] } } Using php-jsonpath only (By stefan Goessner : http://goessner.net/articles/JsonPath), I want to insert a new data (array) into photo identified by 222 …  |
 | i want to insert at avl tree and search where can i get avl tree code from ? to study |
| | I wrote a template class named "Tree<T>" in C++ which attributes are : - T data - std::vector<Tree*> sons; I wrote the basic methods consisting of writing and reading in those two attributes. Now, I'm writing methods that return the min and max depth. I have no compilation problems but …  |
 | This problem is troubling me from so long time. There are N scientists, K black holes, and any scientist can query about radius, size and temperature of any blackhole. You have to answer three kinds of query basically: 1)Given Scientist queried for which blackholes,Given scientist queried for which attributes 2) … |
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