2,055 Topics
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| | A warning: I'm very new to databases! Hopefully this will be a pretty simple question. To simplfy my problem, I have a tree of 'meters' that collect data (Let's say electricity meters). I'd normally structure this with objects in a tree, each with a list or some kind of array … |
| | This is sort of a generic question... I'm at a point where I need to do some report generation with various data from different tables i.e. commissions earned / transactions processed / etc... I was wondering if anyone happens to know of a script base that could be used for … |
 | I'm going to try and extract the artist and album from the meta data of an mp3 file with python but I need a little help. This is what I get on the tag line when I open an mp3 file in vim: ----> `ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿTAGRooster^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Alice In Chains^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@DIRT^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@1992` This is what …  |
| | Hello I have final project for java and I didn't know how to do it >< may help me to solve it?! ------------------- Consider the following table about students’ grades for quizzes in class : http://s8.postimg.org/a9sqir7md/Screenshot_2014_05_28_11_26_53.png 2 Write a Java application that calculates the minimum, maximum, and average for each … |
| | I need to import the xml file into access and I should do the transformations (XML -> XML) and to do that Access calls an XSLT file. Then my source file is as follows, of course I deleted the rows because it was very long, but it should be understood, … |
| | |29|error: expected unqualified-id before ‘{’ token| |27|error: new types may not be defined in a return type| |27|note: (perhaps a semicolon is missing after the definition of ‘DynStack<T>::StackNode’)| 46|error: ‘StackNode’ does not name a type| ||In member function ‘DynStack<T>::StackNode DynStack<T>::StackNode(T, DynStack<T>::StackNode*)’:| |40|error: ‘value’ was not declared in this scope| ||In …  |
| | I tried dreamincode but the mods there all seem to be on their periods tonight so i have come here to humbly beg for help. First off let me start by saying I'm a new programmer and I am frustrated and cofused by the class i'm in prg 420. I …  |
 | hi , i am searching for a good tree menu design for products categories to use it in my website , i need it to be flexible so i could style it as needed and also simple so i can target it with my own javascript. thanks again. |
| | hey guys. so i was thinking of creating this page that has 2 different tables : table1(table1 filled with names that are populated from database but lets not think about that part for now) and table2(empty), table1 rows are clickable and when doubleclick on one row the data in that … |
 | Hello. I'm developping a project about the decision tree in Java. My project idea is about animals, but it's gonna be a big database and i don't have too much time to complete. So my question is: Can anyone help me to found a complete database about animals or about … |
| | i need help creating an pplication to calculate flooring costs. The application should allow the user to enter the room length and width in metres, and select a type of flooring from a set of radio buttons (see Figure 1). The program should include the costs for the different types … |
| | I wrote this test program to test the binary tree for a particular purpose. The intent is to make 2 new tree nodes with new data and destroy the data of the parent data, as its no longer needed (essentially its supposed to imitate "splitting" but my design calls for … |
| | hey guys, so im creating a page using php html js etc and what i wanna do is have two tables on that page. the first table is populated by data from database(easy) the second table is tricky for me. in the second table i want to be able to … |
| | please give me a code of multiple linked queue in data structure using c++ |
| | Hello, I have the following problem: Entering coordinates of points on a plain with keyboard (as rows x,y). Analysing this coordinates. Replacing coordinates in vector (point - structure data type). Then calculating distance from the first point to all another points. I've written the code of this problem using arrays … |
| | I am reading the (otherwise excellent) The C++ Programming Language (4th edition - Hardcover) (Stroustrup) and I cannot understand about 4 pages of it despite a lot of attention to it. It's section 27.4.1 Composing Data Structures starting page 767. After reviewing obviously unsatisfactory alternatives on page 767 for a … |
| | Hi, I created a structure Vector and implement some functions to make the new defined type (vector) dynamically allocated and resized (inspired from the C++ implementation of the dynamic arrays : vector). I need to assign a structure to every vector element but I am not sure that I am …  |
| | program that implements an event-driven simulation of a line of customers at a bank.Each customer enters a queue, waits until reaching the front of the queue, performs a transaction with a teller (bank employee), and then leaves the bank. You may assume that the bank has only one queue and …  |
| | I want this structure variable as well as all the structure elements to be used in multiple source(.cpp) files. I did like this and getting did like this and getting following errors. I am using vs2010. Please help me i am a newbie. Error 2 error LNK2001: unresolved external symbol … |
 | 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 guys ,I am trying to design online dictionary using php and autosuggest , I need help in putting some code together ,it is about searching multiple table Using autosuggest by ajax ,the first part I found a solution In this forum using UNION the second part I have a … |
| | how we can store 2d array values in structure which is coming from binary data files.. |
 | I am making a quiz for my computer science class and the basic concept is that you have 15 keywords and 15 definitions. All need to be randomly displayed and the correct answer has to appear. The user has to match the correct definition to the keyword twice and then …  |
| | I have been asked to build a group of functions that carry out set theory operations such as intersection and union. The functions below that I must complete are set_intersectWith, set_unionWith, set_minusWith, set_powerset, where: > set_intersectWith = A ∩ B > set_unionWith = A ∪ B > set_minusWith = complement …  |
 | so i got a class going for making and showing tree elements, i need some help with the following: i need to display the leaves and the height of the tree. here is the code: // ar.cpp #include <iostream> #include <stdlib.h> using namespace std; class nod { public: char inf; … |
 | Hey! So I am having trouble with this [problem](projecteuler.net/problem=18)! Basically you have to find the path that gives the largest sum down this tree: 75 95 64 17 47 82 18 35 87 10 20 04 82 47 65 19 01 23 75 03 34 88 02 77 73 07 … |
| | Hi Friends, The general code in my project is as below: In Module: ---------- [code] Structure TopDataType 'UPGRADE_WARNING: Fixed-length string size must fit in the buffer. <VBFixedString(40),System.Runtime.InteropServices.MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray,SizeConst:=40)> Public TopName() As Char 'TopData.HDName Dim Catagory As Short 'TopData.Catagory Dim Status As Short 'TopData.Status Dim Deleted As Short 'TopData.Deleted 'UPGRADE_WARNING: Fixed-length string … |
| | Hi, for the life of me, I am unable to get my program to drag/drop to a textbox. Elsewhere in my program i am dragging to a panel just fine however I always get the "drag not allowed" mouse symbol when attempting to drag to my text box. I HAVE … |
| | I have created a class with few public and private functions to create an sqlite database and related operations.consists of 2 private member variables **A & B**. **Public functions:** to check whether database exists ,if exists open and read data A & B else call the 3 functions from private. … |
| | I had a technical interview last week for a Java Software Engineer position. They asked some pretty basic questions such as: 1) What's the difference between an abstract class and an interface? Which do you use more? 2) How does garbage collection work in Java? 3) What is the difference … |
 | hi dear fellow i have tried to add structure array in my program and i had a few issue to add. please can anyone tell me how can i add a structure array in the following program #include <stdio.h> #include <stdlib.h> #include<string.h> #include<conio.h> struct books{ char name[22], book[25],date1[10], date2[10],id[7],bid[7]; } … |
 | http://s11.postimg.org/kxl3cemw3/error.png this is the least error that I can get from multiple time of debugging. [TheCodeFile](http://www.fast-files.com/getfile.aspx?file=70535) StrBlob.h has needed to use something from StrBlobPtr.h and StrBlobPtr.h needed to use something from StrBlob.h I did tried to #include each file on each other respectively, but ofcourse that would be a data … |
 | how to create a report with data from duatabase on the same server or different servers, using SQL Server 2000, using the **crystal report 8.5** or **data report of VB6 ** For example I have table A and table B with the same table structure, table A is stored in … |
| | hi my name is vishal for past 5 days i have been nuts of how to combine data from multiple tables into single table using sql select query (join query) Given below i have tried solution but i get error message data not found. But in table i have datas … |
 | As I spend time in the Daniweb forums, I see some questions that ultimately come down to the issue of manipulating JavaScript data and a user interface on a website. When you build a GUI that lets your user view, add, edit, and delete data, a common approach is to … |
| | I have a problem in c, i want to achieve this kind of thing using the code i written below. The input and output should be like this: Input Freq Output Freq 1 0,1,4,2,5,3 add two first (0+1) 0,1,4,2,5,3,1 2 4,2,5,3,1 add min and last (2+1) 0,1,4,2,5,3,1,3 3 4,5,3,3 add … |
| | Hi all, I’ve been given told to convert a standard C++ program into an object-oriented one, using the principals of polymorphism, encapsulation and inheritance. Our lecturer covered all three principals in one 45 minute slot. I’m completely stuck and would be grateful for any help. The standard C++ program accepts … |
 | Hello guys, I hope you can clarify something for me please. I was looking into carousels, found an excellent one and replicated in my code (for reference this is the one I looked at, it’s really good and easy to understand https://tutsplus.com/lesson/the-obligatory-slider/). Anyway, I have implemented that and I thought … |
| | So here's my problem I have inner structure inside of client. How can I know while reading from txt file that I'm reading item data or client data for my list? struct item { char item_name[30]; char item_state[30]; float item_price; char item_status[30]; float item_price_if_not; struct item *next; }; struct client … |
| | Here is the mex code I wrote to read in a tab-delimited file. The mex file got created but it causes my MATLAB to end abruptly and give the following error. Can anyone help me where I am going wrong? Please let me know if any further information is required … |
| | I am unable to convert my C file to mex file. Here is the C file I wrote to read in a tab-delimited file. The C program in running, but I am not able to successfully convert it to a mex file. I have also pasted the mex file I … |
| | My company has Desktop application developed in vb.net using devexpress controls. Back End database is MySQL. Company is in retailing and have 2 retail stores in in same city. Both stores always stay busy and customers are always in waiting at the counter. Basically, it is desktop based CRM application …  |
| | I want rich textbox control in java in nebeans, where i can able to paste content from documents. Here content means not only plain data but also tables from ms-word documents. I tried above feature using "jeditorpane" but i am unable to retain table structure. please suggest me how to … |
| | Hi guys Happy New year. I miss you all :), that is just by the way. I am thinking of building a CMS with nodejs ana i will like your take on it? First of all i have seen other simlly projects but they are all fixed in the type … |
 | In most modern languages, there are two fundamental approaches to repeating an action: either *iteration*, in which an action is placed inside a special-purpose structure which causes the action to be repeated, or *recursion*, in which a general-purpose function calls itself (or another function which in turn calls the earlier … |
| | Create a structure for a classroom. Make sure it includes the following: Room Number, Lecture Name, List of Students, Number of chairs, Window (Yes/No), Projector (Yes/No), Available(Yes/No). Instructions: Create functions that allow you to add data to the attributes of the classroom. Create functions that allow you to print out …  |
| | Hello Friends, I am new to c programming. I want to create data structure for client server communication. I can simply transmitt simple char to server and return it back. My requirement is to have dynamic number of variable in client side i.e my client should be able to transmitt … |
| | Hi guys, Tomorrow is my theory paper exam of C++ OOP and Data Strucutre. Paper will be based on 50% theory Q/A and 50% on coding implentaion. Can you give me some hints to prepare for this coming exam? PS. I have gone throw all lectures slides and course material, …  |
| | Hi there i want to know whats the difference b/w databanks like sql and our own text structure txt file that could easily store data even with less size than databanks. Of course i now sql is faster secure and much more but i can encrypt my data too and …  |
 | Here is the code for GUI in C++, http://facebook.com/muhammadmuzzammil1998 Tested in Code::Blocks hope it will help you :) #include <windows.h> /* Declare Windows procedure */ LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM); /* Make the class name into a global variable */ char szClassName[ ] = "CodeBlocksWindowsApp"; int WINAPI WinMain … |
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