Software Development Forum

Hi, Simple question.How do you rename a label? I'm trying LAbel1.Name="sk"; Please someone tell me the correct code?

hello, Can any one help me in C1TrueDBGrid? I want to add a dropdown column in my C1TrueDBGrid which has different values for each row and on index change it changes value another cell of the row Thanks in advance

A Friend has asked me to make him a program where the user can select a song, and there is a music Spectrum analyzer (Like the one in VLC)and the user can customise the colours of the player. i have done the code for selecting the song but i need …

I have implemented the addActionlistener for the Add Contact button in this GUI setup (please try running this code in your computer to know what i am talking about) and when i click on Add contact, the new frame pops up, i enter the details in the New contact frame, …

Okay, im fairly competent with VB.NET in general and i know a bit about how to do winsock programming under VB6. Well, sadly most of my old VB6 code doesnt work under .NET :( Im usibg VB.NET express 2008 beta 2 and was wondering what the best way was to …

Guys I've been reading on PEP 8 and I see that one should use it especially to make sure that programs are standard. Please can anybody help as to how i can install it with my python 3.2 and how to use. Thanks in advance.

can event handling in c is possible?

Hi, I have a list of base types which stores multiple derived types. The following code shows a simplified setup. [CODE]#include "Base.h" #include "DerivedA.h" #include "DerivedB.h" #include <iostream> #include <list> void main() { std::list<Base*> base; std::list<Base*> *basePointer = &base; for (int i = 0; i < 10; i++) { basePointer->push_back(new …

Hey all. I'm making a program which uses many buttons and a textfield. I need help and some explaining on how to organise components within a panel. For example,using [CODE]mainPanel.add(BorderLayout.NORTH,display); mainPanel.add(BorderLayout.CENTER,background); mainPanel.add(BorderLayout.EAST,buttonBox); mainPanel.add(BorderLayout.WEST,buttonBox2 );[/CODE] All components (the buttons within the background panel,the buttons within buttonbox1/2 and the display field) are …

Hello, for a project on network simulation I need to show graphical representation of the graph.Which library files can I use for the purpose?Should i switch to OpenGL.I know nothing about graphics in C++ right now.Please help. Regards.

Hi, I am developing an application where in I am using both forms and command line arguments. I have tried using Environment.getCommandLineArgs(). But it is reading only one argument, the path of the exe file. The command line arguments are first read and if present they are executed. Or else …

Good day, i have a problem regarding about adding a record to my database, i want to insert a record that not exist on my table, the record that i want to add to a field is not related to other table. This field should be related to other table …

My program starts 5 different threads when it is opened. One or more of them is not stopping correctly and is causing my program to remain alive even after the main form has closed. Before I go through trying to find which one is doing it is there some way …

Hi, i have a convert problem: [CODE] double v3; foreach (String cvt in sortList2.Keys) { if (!(sortList8.ContainsKey(cvt))) { sortList2.TryGetValue(cvt, out v3); sortList8.Add(cvt, v3); String.Format("{0:0.00}", sortList8[cvt]); sortList8[cvt] = (v3 * 100 / textBox2.Lines.Length); // how to convert the result to 2 decimal? } } IDictionaryEnumerator enumerator2 = sortList8.GetEnumerator(); while (enumerator2.MoveNext()) { …

Okay so I'm having a problem with this. My homework is to take this array of numbers and increment each one by one. Sounded simple at first and then I realized that in the array the address of variables were assigned to an element in the array. My question is..how …

I have this code: I'm trying to have my program download all the images (that contains "jpg") from a site. [CODE]Dim doc As IHTMLDocument2 = DirectCast(WebBrowser1.Document.DomDocument, IHTMLDocument2) Dim imgRange As IHTMLControlRange = DirectCast(DirectCast(doc.body, HTMLBody).createControlRange(), IHTMLControlRange) For Each img As IHTMLImgElement In doc.images If img.nameProp.Contains("jpg") Then imgRange.add(DirectCast(img, IHTMLControlElement)) imgRange.execCommand("Copy", False, Nothing) …

i got this error 'convert datetime to string format yyyymmdd vb.net' this is my code [CODE]Dim ExpDate As String = dgvBlock_Extend.Rows(icnt).Cells("Extend Door & Lift Expiry Date").Value.ToString("yyyyMMdd")[/CODE] the value is 4/6/2011 12:00 AM i wnt to convert to format yyyyMMdd how i'm going to solve this error?

How do you override a superclass's methods with a subclass? These are my two programs, the first being the super class, and the second being the subclass of which I am attempting to override the superclass's methods. [CODE]// This class represents a walker with two feet. import java.awt.Image; import java.awt.Graphics; …

the structure and other things have been declared already just need some help with writing this info to the file with random access method. customer info; void customerinfo(customer); [CODE]void customerinfo(customer info) { FILE *ci; if ((ci=fopen("testing.txt","ab"))==NULL) printf("File \"testing.txt\" could not be opened"); else { printf("Customer ID: "); fflush(stdin); scanf("%d",& info.cusid); …

Im trying to install the opencv libraries and i tried following the instructions at: [URL="http://blog.cuvilib.com/2011/03/22/how-to-build-opencv-2-2-with-gpu-cuda-on-windows-7/"]http://blog.cuvilib.com/2011/03/22/how-to-build-opencv-2-2-with-gpu-cuda-on-windows-7/[/URL] but Im having problems getting the sample code to compile. When I try: [CODE]#include <iostream> #include <opencv2/opencv.hpp> #include <opencv2/gpu/gpu.hpp> using namespace std; int main() { try { cout<<cv::gpu::getDeviceName(0); } catch(const cv::Exception& ex) { std::cout << …

[CODE]#include <ctime> #include <cstdlib> bool winner = false; winner = true; srand((unsigned)time(NULL)); comp_choice = rand() % 3; system ("PAUSE"); return 0; } [/CODE] How to transform this idea or this codes to simple codes in IOSTREAM Library

Hi, I was wandering if someone could tell me how i would go about this, or at least point me in a direction? For a program that I need to develop, it need to perform a set of operations on a specific set of task. However each task is similar …

My program needs to tell whether two Students were selected, and if so I need to output to the screen their averages. I got the first specification which works for only one selection (just shows grade) but I have no idea to tell whether they selected two from the list... …

I have a main function and I want to call another function inside my main, but it gives me an error like this: error C2601: 'ComputeCentroid' : local function definitions are illegal I know that this is an error because the '{' for my main is still not closed before …

First of all, I'm 17 learning C++ on my own! I've been enjoying Daniweb. and I did like to thank the community for that! Thank you all! Here goes my Problem... I have a small program that calculates time between two instances and it worked fine... so I decided to …

Hello, I use Visual Basic 5 PRO and would like to know how to grab an image from a weblink which has been copied to the Windows Clipboard from google images and then display the image as a thumbnail into a image control on my form. For example, I search …

ok, so i want a program that just says back to the user their input. the users input will be more then one word, so there will be whitespace. when i use string as a class for the input, then it only gives back the FIRST word of the input.... …

Hi everyone, I'm new to this site and hope you might be able to help me out? So I've been given an assignment to produce this output [CODE]% ./hw4b foo here foo and foo there % ./hw4b ABC123 here ABC123 and ABC123 there % ./hw4b 'where is' here where is …

Problem: it print "null" in front of every line for example input this is sparta output [COLOR="Green"]null[/COLOR]histay isay partasay [CODE]import java.util.*; public class PigLatin { String[] piggieLatin; String[] sentence; public PigLatin(String[] random) { sentence = random; piggieLatin = new String[sentence.length]; } //repalce everything beside a~z with space public String punctuationFree(String …

I was doing some work in python and I typed in ^ instead off ** without thinking and found some confusion as to what ^ does I did a bit of testing to find: 10^2 = 8 0^2 = 2 -5^2 = -7 11^2 = 9 9^2 = 11 -10^2 …

i hve create 1 listview & checkbox inside listview...how to print check item in listview..

Hello, Before I begin, I have had a quick look around for a solution to this problem however time is not something I have lots of right this moment so I am going to post this and hope that by the time I return to complete my work there is …

"Cross-thread operation not valid: Control 'DataGridView1' accessed from a thread other than the thread it was created on." I've been avoiding multithreading because of this since I started with vb.net a couple of weeks ago but it looks like I have to start using it now. I simply don't understand …

I'm attempting to create a one line Caesar cipher decryption program in python and i'm afraid i've come to the end of my knowledge and well past it. this is the closest working code i've got: [code]def test3(): print("The decrypted text is: "+"".join(map(lambda x: chr(ord(x)+y),x)))[/code] as you can see it …

Hi everyone, I'm trying to make the autocomplete work on a list of items entered into a textbox separated by semicolons. I have a list of authors the user can choose from and it autocompletes as they type the name no problem, but what I'd like to do is after …

Hello. I don't know if somebody has asked this before, but is there any python equivalent to the Java .jar files? I have read about py2exe, freeze, and module distribution, but it's not what I'm looking for. I need a file that can contain everything in my program (and modules …

i has create system registration that use vb.net 2008 & accessdatabase (oledb connection) i set ID as primary key,when i insert new ID but if ID already in database i will get error cz data duplicates..so anyone know any code that will promp mesej like this "Data already in data …

So I've made a Task Scheduling application (for learning purposes). The program currently saves all the data in simple text form. I use Regex to split the data up and assign it to the appropriate variables. I don't really like this way of doing things as it seems messy and …

Ok, so my program complies (not that that means much, haha), but at least I can now SEE that something in my loops isn't right. I need to take my 2-dim array file input of 4 students with 3 quizzes, which looks like this: (the asterisks are whitespace) 10**10**10 *2***0***1 …

how can i draw a free-shape (it means no particular shape or sides) and fill it in with the colors chosen from colordialog? e.g. im gonna draw a rounded rectangle and i want to fill its insides with color red. answers will be appreciated :)

Hey Everybody, I keep getting these warnings when I compile my program: 19: warning: extra tokens at end of #ifndef directive 19: warning: missing whitespace after the macro name both apply to the same line number, which has nothing to do with the ifndef statement. I tried looking for an …

Hello, I need to perform a binary search on an array of objects but to do so I need to have them sorted. I've been looking online and no one really has a good explanation of how to conduct a quick sort on an array of objects. If you can …

i hve build 1 system inventory using vb.net 2008...can i run execute file from browser...maybe like in asp.net..

i have an array like this: [B]String[][] data= {"s", "w","s", "y", "r", "r", "y", "p"};[/B] i wanna do some action if there was no similar array element before that particular element, for example, do something if [B]data[0]=="s"[/B], then do something if [B]data[1] == "w"[/B], but skip when [B]data[2]=="s"[/B], because [B]"s"[/B] …

So I have an array [CODE]String[] directions = {"n", "e", "s", "w"}; Random dirPick = new Random(); int rNum = dirPick.nextInt(4); String direction = directions[rNum];[/CODE] Now say that one of these doesn't exist and if it picks it I need to take it out of being able to be picked. …

Hi I need some help. I`m looking for a routine or code that will help me in reading a text file into a database. This is how the text file look. Gen 1:1 IN THE beginning God (prepared, formed, fashioned, and) created the heavens and the earth. Gen 1:2 The …

Hello im a newbie having problems. I have got two arraylist with values in them. I want to subtract each value from the oposite value in the second array list to get a new list C which i am going to plot on a graph. For example ArrayLists A,B A …

Hello all, I am currently in the process of learning C++ for a work term position I am on. After hitting a wall trying to teach myself from books I decided it might be easier to translate some old Java programs from school into C++ to get a better understanding …

Hello everyone, i'm having some problem with the following code: [URL="http://pastebin.com/KTKaVje8"]CODE[/URL] inputSouce is an abstract class and the rest are derived from it. The definitions for these are elsewhere. Now, [CODE]inputSource *irSources[4]; irSources[0] = new irSource(); [/CODE] This is giving me errors. i'm using VS2008. [B]error C2466: cannot allocate an …

anyone help with this? I have a unique id on each line of sql, i want to be able to update a row from a table i tested and tested this but unable to get this working. does anyone know how i am able to do this? [CODE] Dim PINV …