Software Development Forum

Hello! Can you help me please. I am a student and i have some problems with one task. I had to write a program for an embedded system which will have 8 buttons and will show on 7-segment display the number of the button pressed last. I wrote the program …

I've been working on a project I found on the Java Projects for learners thread. I've created a pokedex simulator that keeps track of pokemon. So far you can view a list of recorded pokemon, get more detailed info, add a pokemon, and it's all saved to files. However it's …

Hello! I want to make an array[4][4] board and print two random characters("*" and "-" ) on it. Can you please help me? Thanks in advance.

In the following program, where is pt1 getting it's values (1, 0)? I get pt3's values (5, 10) because I can see them in the code. #include <iostream> using namespace std; class Point { private: int x, y; public: Point() {} Point(int new_x, int new_y) { set(new_x, new_y); } void …

I need help combining the file name with the filepath my code: WIN32_FIND_DATA FindData; HANDLE hFind; hFind = FindFirstFile(L"../art/*.dds", &FindData ); if( hFind == INVALID_HANDLE_VALUE ) { PrintCharS("Error searching directory"); return; } do { char ch[260]; char DefChar = ' '; WideCharToMultiByte(CP_ACP, 0, FindData.cFileName, -1, ch, 260, &DefChar, NULL); string …

Can someone tell me / post some codes here on how could I validate my datagridview? I mean, a certain column on my datagridview should accept integers only, otherwise, it will return a messagebox. Kindly include on which event it should be posted. Thank you very much. God Bless. :D

The below post is just something i thought of contributing here for young( or old ) members starting out in C. In (effectively) 3 lines of code , i hope to give an intro about pointer arithmetic and how endian-ness in windows affects the output. #include<stdio.h> int main(void){ int a …

hi its me again, i have this scenario where i need to search my datagridview using the textbox i have, i have tried copying other sites but what it gives me is errors, new columns and more errors, my codes goes like this for loading my datas from the database …

Research about header files in C programming language

Hi all, For my project I have to send data from dos computer to a IP address ( i.e 216.152.xx.xxx port 57. I have no idea how to accomplish this task. PC is connected to internet. I can do this using microsoft windows. But i dont know how to do …

Hi all, i am working on pulling out text and its properties from a pdf file. iTextSharp library is used for this purpose. Initially i took the fontsize property directly from the tf operator. but then i stumbled on a scenario where tf said font size was 1. So i …

A question for VB.NET - Access DB folks here, although some might consider a strictly DB question. Is there an order of operation when a SQL query 'does its' thing' relating to the 'WHERE" clause with multiple parameters? In other words, could you rearrange the elements [filters] of the WHERE …

Hi all, consider below code: public class Bertha { static String s = ""; public static void main(String[] args) { int x=4; Boolean y = true; short[] sa = {1,2,3}; doStuff(x,y); doStuff(x); doStuff(sa,sa); System.out.println(s); } static void doStuff(Object o){ s += "1"; } static void doStuff(Object... o){ s += "2"; …

Hey guys, I'm trying to make an app where if I press a button an audio plays *I use android studio* The code compiles and all but, if I press the play button then the audio does not play..What am I doing wrong? Thanks! MyActivity.java package com.example.hayzam.bb; import android.app.Activity; import …

Hello again, I am creating a Datagridview with 3 columns, product_id, product_name and quantity. but in my database i have 4 columns namely prod_id, prod_name, quantity and item_status. What i want to do is , if my item_status is texted "PHASE OUT" or "INACTIVE", i will skip that row while …

Came across a code that's working but cannot figure out why #include<stdio.h> #include<stdarg.h> void fun(char *msg, ...); int main() { fun("ABCDEFG", 1, 4, 7, 11, 0); return 0; } void fun(char *msg, ...) { va_list ptr; int num; va_start(ptr, msg); num = va_arg(ptr, int); num = va_arg(ptr, int); printf("%d", num); …

Hello, Everything in code when well there is a small problem on display output: when I run the file this is the output i got 69 6E 74 20 6D 61 69 6E 20 28 29 20 7B 7D 0A my teacher have 0000 : 69 6E 74 20 6D …

I need a form that accepts scores from the user, displays the total, count, and average of the scores, and displays a dialog box that lists the scores. Operation The user enters a score. If the user clicks the Add button or presses the Enter key the application calculates and …

Would anybody know of a way to take a text file and break it up on specific lines? For example, let's say I have a text file such as "This is my text file". I want to split it up like "This is" "my text" "file". Therefore I want to …

I made a program in C# and added it to startup(by modifying registry) . When I run msconfig , the program shows under Startup tab , but it doesn't start when I log on. It requires Admin previlages and uses some unmanaged DLL's Can someone temme what might be the …

For instance, ABBA is a palindrome, but ABCBB is not. You are given a string s. Return the length of the longest substring of s that is a palindrome..program in c++

Hey, is there a magical way to shorten variables in Visual C# as in PHP? For example in place of `$user_nickname`, `$user_email`, `$user_rank`. They could use `$user["nickname"]`, `$user["email"];`, `$user["rank"]`. Now if you ask me, I think the second row looks much more organized. Is such thing possible in C#? I …

Create a class named Person that includes fields for last name, first name, and zip code. Include a default constructor that initialize last name, first name and zip code to ‘X’ if no arguments are supplied. Also include a display method, displayPerson() to display Person details. Create a test class …

setDirty(); SaveFileDialog saveFileDialog1 = new SaveFileDialog(); saveFileDialog1.Title = ""; saveFileDialog1.OverwritePrompt = true; var dialogResult = saveFileDialog1.ShowDialog(); if (dialogResult == DialogResult.OK) { StringBuilder sb = new StringBuilder(); sb.AppendFormat("CheckLoggin = {0}", chkLoggin.Checked).AppendLine(); sb.AppendFormat("LogFilePath = {0}", txtFilePath.Text).AppendLine(); sb.AppendFormat("NumberOfThreads = {0}", txtNumOfThreads.Text).AppendLine(); File.WriteAllText(saveFileDialog1.FileName, sb.ToString()); saveFileDialog1.Close(); } }

Hello. I have a following verse: >A swarm of bees in May >Is worth a load hey; >A swarm of bees in June >Is worth a silver spoon; >A swarm of bees in July >Is hot a worth a fly. And I have to modify this text so that all …

I am a student in Computer Science, and am writing a small guide for my fellow students. It will contain a large list of the most commonly used and studied functions in C++ (e.g. Bubble Sort, linear search, file writing, etc.) and the code used to perform each function. I …

The loan officer at the Belize National Bank wants you to write a C++ program that would help him decide whether to approve small loan application. The program should prompt the user for the customer’s yearly income, the number of years of the loan (loan period), the amount of the …

I need help on this question :(. I cant seem to get the right output for this question. 5.25 (Compute pi) You can approximate pi by using the following series: p=4(1- 1/3 + 1/5 - 1/7 + 1/9 - 1/11..... +((-1)^i+1/2i-1) Write a program that displays the p value for …

Say I have something similar to this: http://faculty.utpa.edu/chebotkoa/main/teaching/csci3336spring2013/slides/lexsyn/sample-lex-syn.html Does anyone know how I would be able to make "\n" or "\t" recognized as a token? I would probably need to add a case for it in the switch in LexicalAnalysis.cpp, right? And add it to the state diagram? But how …

how to do 1 24 369 481216

how can i convert text to number values like 'one' to '1', 'two' to '2',.....

Hello All we want to print datagrid view's 20 records per page, but it seems LIMIT Command is not working and shows error plz can any one help or suggests alternet. this is our coding. ANPSql = "Select * from Table1 limit 0,20" MsgBox(ANPSql) Pth = My.Application.Info.DirectoryPath ANPConn.ConnectionString = "Provider=Microsoft.ace.oledb.12.0; …

i want to create a directory file in vb6 . please help !!!!

I have created a windiws forms program in visual studio. I am using a local mdf database file. I have also imported the same database inte my sql server. I hav altered the connectionstring in my.settings, But when I try to connect to the sql database the debugging just shuts …

Can anyone make em a Online/Offline script for my dedicated servers? And i am in a very fast need! =) And please code it useing HTML and PHP, if need then also Javascript. Thanks - zzMrMartinzz

Create a form that accepts scores from the user, displays the total, count, and average of the scores, and displays a dialog box that lists the scores.This application should check the number entered by the user to make sure it is a valid integer from 0 to 100. If a …

How do i do a loop which is verifying that cells in the same column are numeric until the last cell which will be determined by an empty cell? Thanks so much

Good day/night to all; As the title says, its really troublesome. Lets say i have form1 and form2 i want form1 to hide while form2 shows, what i do is get a button and use this code: Form2 trials = new Form2(); trials.Show(); this.Hide(); this will hide form1 and show …

cut_list We have to use a cut_list by writing a function called cutlist that "cuts" a list. Whwew a list and an index is given, and returns a copy of the list, but the items before and after the index is swapped, but what i dont get is it should …

Hello everyone, I have a problem as every newbie :) I'm using vvb express 2013 and opening my windows with below code (credit goes to the owner, thanks to him btw) to prevent the form from opening twice: If Me.yenifaturaekle Is Nothing OrElse _ Me.yenifaturaekle.IsDisposed Then Me.yenifaturaekle = New Yeni_Alış_Faturası …

Hi! I have problem with my payroll program, I'm beginner in c#. how can I connect or how to Automatic update the datagridview in form1 after I insert a new info from form2? I cant add the `updategrid();` in the form2 because there is no datagridview, only the textboxs. like …

ABC Bank gives loans to its customers at a monthly interest rate of 0.75%, and recipients are expected to make fixed payments every month. The bank uses the formula below to keep track of the remaining balance recipients owe after each monthly payment. where: Balk = balance remaining after the …

from reading these site: http://www.catch22.net/tuts/flicker-free-drawing i understand that i must avoid the pixel been changed more than once and a double-buffer: //how avoid the pixel be changed more than once: case WM_ERASEBKGND: return 1; //for other controls, we must use another messsage(see the child control messages) and heres how we …

I have a problem My program has 2 form 1: form1 - main form 2: form3 - history browser - to load ariables from "database" (simple csv file) into form1 (Main) controls.. form3 should load and pass variables to form1 controls.text I have only problem with ckheckedListBox in form3 - …

Hey! I'm trying to connect my backend (Ms Access) to the front end (VB.NET 2010). I'm trying to retrieve data and I get these errors. I have two problems: 1. For i = 0 To dt.Rows.Count - 1 when typed the above code in the load form I get the …

Hello All, I am writing c++ program to insert, sort, display and merge two linked lists. Insertion, sorting and display functions are working fine but merge function is not working as expected. Please help me correcting merge function. I have used One header file "intSLLst.h" and two cpp file "intSLLst.cpp" …

I am trying to understand some old FORTRAN code and have reached a point that puzzles me. In the main program, a 1-D work array has been defined. i.e. - REAL WORKA(30) Later on, portions of this work array are passed into a few sub-routines: e.g. - CALL SNAME1 (10, …

Hi thanks for reading this post. Hope you could help me. I have this question i can't figure out. Thanks in advanced for helping :) I kept receiving message dialog box containing "The document has no pages." whenever i click the PrintAllbutton. I used jasperreports, in which i'm not familiar …