Software Development Forum

as we know the code of scanner is like this, [CODE] ... Scanner scan = new Scanner(System.in); System.out.print("something is something: "); [COLOR="Red"][type] [variable name] = scan.next();[/COLOR]... [/CODE] so here is my problem, how can we scan char type?

"You should present students with a menu where they can repeatedly choose to practice addition, subtraction, multiplication, and division problems or to exit the program."

can anyone help me in writing a program for RAIL FENCE CIPHER in C lang??

hi guys pls. help me with this. I want to limit the times when the user would guess the word for 3 trials only. How will i do that? PLs. see my code below: [CODE] TRYAGAIN: mov cx, 12 mov bx, 0 AGAIN: mov ah, 01h ; read a char …

The function Delay() allows access to other events during the delay. For instance a certain key could be used to interrupt a lenghty delay. The Win32 API function Sleep() ignores events, maybe it should be called DeepSleep().

The need for efficient storing of IP numbers came up in discussion thread. With help of this conversion to/from the 32 bit numbers that IP numbers (the old ones) represent I could push the time of finding unique IP numbers from 10 million random numbers down to under two minutes …

Is there an easy to use tool that OPs could use to find variable's whose class level definitions are Shadowed by local definitions of variables with the same name. I see that problem a couple of times a week. Do the standard IDEs have options that would warn about the …

I am a beginner of C++. i want to print out the list like the following [ATTACH]22433[/ATTACH] but what i get is this [ATTACH]22435[/ATTACH] and this is my code [ATTACH]22436[/ATTACH] It looks like i did something wrong when i trying to assign the value that i calculated to the array …

Hello.. I have a form and i have used a combobox along with datagridview and textbox.. I have various values in combobox namely Mechanical, Electrical, Etectronics etc.. When I select the option Mechanics, I wish only few fields of the table be updated in the gridview, with the type mechanics. …

Could someone please tell me how to compile an assembly program. I have the code, but I can't compile it. Also, my "Hello, world!" program does not run when using Flat Assemble, a compiler I got off the internet. Here is my code: [CODE].386 .model flat, stdcall option casemap :none …

hi guys just want to ask about how to translate this c code into assembly language: [CODE] int x = 1; while( x <= 3 ){ x++; printf("Sorry try again!"); }[/CODE] any help would be greatly appreciated! God bless!

[CODE]#include<graphics.h> #include<conio.h> int main() { int gd = DETECT, gm; int x1=50,y1=50,x2=200,y2=100; initgraph(&gd, &gm, "C:\\TC\\BGI"); setcolor(9); line(x1,y1,x2,y2); getch(); closegraph(); return 0; }[/CODE] here's my code in drawing a simple line in C . but it has errors it said that "undefined symbol _closegraph in module LINE.cpp (LINE is the name …

I am using an assembly compiler to try and print the first 12 numbers. I have succeeded in adding, but it won't print some of the numbers. I want. 1 1 2 3 5 8 13 21 34 55 89 144 BUT GET. 1 2 5 13 34 89 233 …

Hi, this will work in Edit button click,Getting values from combobox and given input to query.Oprdgv is my Datagrid. I got the error Like, "unable to cast the type 'system.int32' to type 'system.data.datatable" [CODE] Private Sub EditButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles EditButton.Click Dim mcode As String …

If i'm scanning from keyboard using getch(), how do i check which arrow key has the user pressed??(Arrow keys have ASCII values same as some other keys so we can't directly check for ASCII values)

[CODE]#include<stdio.h> #include<conio.h> main() { char c; printf("Enter the code for the chart: \n"); do { scanf("%c",&c); switch (c) { case 'A':printf("Area Chart\n");break; case 'B':printf("Bar Chart\n");break; case 'U':printf("Bubble Chart\n");break; case 'C':printf("Column Chart\n");break; case 'N':printf("Cone Chart\n");break; case 'Y':printf("Cylinder Chart\n");break; case 'D':printf("Doughnut Chart\n");break; case 'L':printf("Line Chart\n");break; case 'I':printf("Pie Chart\n");break; case 'P':printf("Pyramid Chart\n");break; case …

guys pls help me to creat a progam using array that will display the ff sequence 1,1,2,3,5,8,13,21,3,55 after displaying the fibonacci series tha program will ask for an array psition & will display its corresponding value this is done continnously... please...

The question I'm trying to answer is: Write an object oriented C++ program to translate an infix expression to postfix. I have done much of it but after I debug the only output is "Postfix:" and I cannot figure out why. This is my code so far: #include <iostream> #include …

[CODE] #include<stdio.h> #include<conio.h> main() { char c; printf("Enter the code for the chart: \n"); do { scanf("%c",&c); switch (c) { case 'A':printf("Area Chart\n");break; case 'B':printf("Bar Chart\n");break; case 'U':printf("Bubble Chart\n");break; case 'C':printf("Column Chart\n");break; case 'N':printf("Cone Chart\n");break; case 'Y':printf("Cylinder Chart\n");break; case 'D':printf("Doughnut Chart\n");break; case 'L':printf("Line Chart\n");break; case 'I':printf("Pie Chart\n");break; case 'P':printf("Pyramid Chart\n");break; …

Ok so while reviewing this code which is meant to convert yards, and feet to inches I found on lines 17-19 , and 32. There are "string data" (if that makes sense) as parameters in each method? What do they denote, serve , and their purpose? MSDN usually has convoluted …

Hi everyone again :) Bit of a weird problem, but is there any way of counting how many keys are stored within a multimap? Say for example I have the keys A, B, C and D. Each of these keys have say 100 values for each, so there should be …

can you help me to fix this code?? i made that one but there's a problem in searching once you enter the form it just paste all the reservation. but i need to be categorize by name, address, roomtype and email [CODE]Imports MySql.Data.MySqlClient Public Class search Public conn As New …

I am trying to build an animation. It just has two pictures or scenes. I want it to start at one picture and end at another. When I run my project all I see is a blank screen. I have checked and made sure that my Image paths are correct. …

Hey guys Im trying to create a code where: input A: number Input B: Base Print: Decimal form I am going to use algorithm where u do following: NUMBER % BASE but it would do it the number of times that the base is.. so if its 6 (base 2) …

Ok I know the basics of ofstream and ifstream but it seems as if every tutorial on it leaves this out. How do I delete files in c++ console app. Reason? I want to use a temporary file in my app for transferring betting two programs that open and to …

my address variable equal at address =C:\\prpgm\\prpgm\\program.accdb but its change every time and address doesnt work in file.copy what must ı write in parantesis that will be equal to address forc ever time File.Copy("adress",

Hi, can anybody have any idea about Replacing .NET WebBrowser control with a better browser, like Chrome,mozilla?

I want to save the contents of my richedit to a plain text file. With my current code, only a partial of the richedit's text ends up in the plain text. Could you please tell me what's wrong with my code: [CODE] var fSave : TextFile; begin AssignFile(fSave, dlgSave.FileName + …

Hi Guys and girls, I'm trying to save the font settings of my component and load them back in via xml. I have xml working with saving and loading of every property except Font. When I save font its as an integer. But when I load the value back in …

[CODE] void customer (struct data *cust1); void menu(); void printReceipt(struct data *cust1, float &balance); struct data{ char name[20]; int accno; }cust, *cust1;[/CODE] above is an excerpt from my completed c++ program. my c++ coding is running well and i dont have a problem with it, but i am required to …

I would like to access the name field from the array items and print the name but I am having trouble. I created a pointer 'L' in callInitialize and set it to the upper struct type List which I named 'studentList'. [code] int callInitialize () { /*Initialize a List*/ List …

Ok so I've used function pointers for some time. I was trying to figure out if this was possible. First. It IS possible to convert a function pointer into an array of bytes. It is also possible to reconstruct that function with the bytes in that array. I would like …

This is really making mad. I'm trying to add two numbers. This is a basic code that I can't get to compile. [CODE]#include <stdio.h> #include <stdlib.h> extern int addus(int,int); int main() { int a; int b; int result; a=5; b=6; result = addus(a,b); printf("Your value is: %d", result); return EXIT_SUCCESS; …

can someone please give me some basic code sample using MOD op for decimal to binary up to BASE 10 ty ex. input 110 base 2 print 6

How would I trace the steps for the function's output? [CODE]int f(int n) { if (n==0) return 1; else if(n==1) return 2; else return 2* f(n-2) + f(n-1); }[/CODE] Would it be something like: (Let's say n=6) step 1) 2 * f(6-2) + f(6-1) 2) 2 * f(4-2) + f(5-1) …

I have been ok so far but now I am having a problem with counting the amount of time that cars spend in the lot during the day and counting the total cost at the end of the day. Any pointers in the right direction would be helpful. Here are …

Hi, I am new to Java and just learning GUI's. I was wondering if someone could help me with a project? I am trying to create a questionnaire. It will was the user a question and have radio button answers. After the answer is selected, they will hit the "next" …

Hi, i need a simple python code which would trigger a command if there is an internet connection; if there isn't, sleep for some time and check again until there is. I found few examples, but they're all rather difficult to grasp and being new to python, I can't get …

Can someone help me on how can i make a assembly program that can multiply? I'm going to make a program that convert a currency to another currency so it will involve a user input. I browsed through the net on how to make a program that do multiplication but …

An emirp (prime spelled backwards) is a prime number that results in a different prime when its digits are reversed.[1] This definition excludes the related palindromic primes. Emirps are also called reversible primes. this are the list of emirps [url]http://oeis.org/A006567/list[/url] [CODE] public class EmirpProgram { public static void main(String args[]){ …

I'm writing a reverse Polish calculator. If the input is 1 2 - 4 5 + *, the output should be 9, but I'm getting -9. Does anyone see where the problem lies? Thanks! [CODE]#include <stdio.h> #include <stdlib.h> // for atof() #include <ctype.h> /* denifitions for main() */ #define MAXOP …

I am getting a big problem at the end of my arrange function. It reads the last line of code in the function, but then never leaves the function. I don't care about output at this point. I just want to figure out why I can't leave the function and …

Note This app will tell the current Time, requires .net 3.0

I have this problem.. I keep getting this error: Cross-thread operation not valid: Control 'ListView1' accessed from a thread other than the thread it was created on. Here is my code: [CODE]Imports System.IO.Directory Imports System.IO Public Class Video_to_Mp3 Public folderopen As String Dim ofd As New OpenFileDialog Dim sizetext As …

Hello everybody! I'm trying to produce a timestamp (system time) in windows (Python 2.7) with resolution equal to or better than microseconds. Calling time.time() repeatedly in a loop it appears it only updates in approximately 0.01 second increments. Using datetime.datetime.today() seems to show similar results. Anybody have a possible way …

dear all, i got a problem about the arraylist function.now i want to create and return an arraylist with each student ID for populating listboxes. [CODE] Public Function StudentIDs() As ArrayList End Function [/CODE] To display the student ID in the listbox by calling this function. (i need to read …

Ok so when makeing my program these errors come up: Error:jump to case lable Error: crosses initialization of 'std::ofstream a_file' The ofstream one repeats twice referring to the same line. Can anyone help me. I can't post the code as this is from my iPod.

How much longer until I'm the king of typos and stupid questions? Ok well in a different thread of mine there was a reference to BIOS.h. Does anyone know where to download it (If I don't have it comp making tarball sooo slow) or/and what's in it. I want to …

I happen to read the following code segment from Thinking in Java [CODE]public class PetCount3 { static class PetCounter extends LinkedHashMap<Class<? extends Pet>,Integer> { public PetCounter() { super(MapData.map(LiteralPetCreator.allTypes, 0)); } public void count(Pet pet) { // Class.isInstance() eliminates instanceofs: for(Map.Entry<Class<? extends Pet>,Integer> pair : entrySet()) if(pair.getKey().isInstance(pet)) put(pair.getKey(), pair.getValue() + 1); …

hello i want to know about the c# coding as i know about the theoritical part but when it comes to coding part it creates problem forto write the code so which is the best method to do this.Is there any good book which covers coding part mostly or anything …