Software Development Forum

I am trying to convert a hexadecimal character array to a binary array (unsigned char) that I can use in crypto functions using Cryptlib or OpenSSL. Basically I have a Hex representation of a key like (02726d40f378e716981c4321d60ba3a3) which as a character array is 32 characters but as a binary array …

Hey guys, I have got one problem.... I am very new to wxpython. I have coded a program which takes input in the terminal and I would like to take the file as input (a photo) with an interface... like when we upload pics in internet we get a file …

Hi all, I'm a student learning Java right now, so I'm still very new to what Java can do. I've written a program to perform a word count (thanks to VernonDozier for help with case-sensitivity) but another problem has come up. The program is identifying words with punctuation to be …

Hello all! I am typing in some code from an example in my book, but it shows the absolute value symbol, I believe, looking similar to " l l ", but it can't be just to lower case Ls spaced apart like I just made that...or is it? If not, …

Hi, I have a relatively large application with multiple forms and a Module class. The problem I am having is that when I create a listbox on ANY form and try to use its 'Selected' function eg. List1.Selected vb automatically changes it to List1.selected Can anyone tell me why this …

Hi guy i'm writing a program using vb the main page when the user choose in the combo box active = yes then insert into table1 then active=no then insert into table2 Here is my code please check for me why got error and correct me if i'm wrong [CODE]Private …

I am trying to get an inventory program can any one tell me what si wrong with this and how I can fix it, please! import java.util.Scanner; public class Cars1 { // main method begins java application public static void main( String args[] ) { Scanner input = new Scanner( …

i got some vb.net application.. when i try to run, got error out Font "Arial" does not sapport style "Regular" can anyone tell me why be like this?

i face a problem, im doing a programing that program into the PIC16F684. im doing a digital clock, now i only able to show the second value that display 1 to 60, i dont know how to do the minute value. im using while loop. [code=c] while(1 == 1) { …

I am new here and this is my first post. I have a question that I can't find on google. I'd be grateful if you could help me. I have written many programs dealing with arrays and wanted to know how can I validate an input. Say I have the …

I am using dev-c++ with allegro here is the code: [code=cplusplus]#include <allegro.h> int SCREEN_WIDTH; int SCREEN_HEIGHT; BITMAP *buffer; int main(int argc, char *argv[]){ allegro_init(); install_mouse(); SCREEN_WIDTH = 620; SCREEN_HEIGHT = 240; set_color_depth(16); set_gfx_mode( GFX_AUTODETECT_WINDOWED, SCREEN_WIDTH, SCREEN_HEIGHT, 0, 0); show_mouse(screen); buffer = create_bitmap(SCREEN_WIDTH, SCREEN_HEIGHT); putpixel(buffer,300,300,4); blit(buffer,screen,0,0,0,0,SCREEN_WIDTH,SCREEN_HEIGHT); while(!key[KEY_ESC]){ //do stuff clear_keybuf(); } …

here is what i have so far, it compiles and runs great except for the fact that when i enter 'n' it doesn't stop the loop, any help is greatly appreciated! [CODE]/* Write a program that prompts the user for two numbers – the dividend and the divisor – and …

Hi guys, I am trying to use the Python logging API to log only to a file. The code below logs to only a file if I have it at the beginning of my class, right beneath the "class ..." line. If, however, I put it inside a method, it …

I am working with traversals for the first time and am running into some errors with my them I am just going to post my preorder code because I am gettin the same error for post and in order. The Error: BSTree.h: In member function âvoid BSTree<T>::printPreorder() const [with T …

Hi, I have a listbox(MultiSelect: 2 - Extended) in which I set ItemData index values for every item that goes into the box. I'll call this listbox myListBox. The ItemData index values match their respective ID's from a mysql database. What I need to be able to do is to: …

please provide me codes how to construct circular matrix as below 1 2 3 4 12 13 14 5 11 16 15 6 10 9 8 7

How do i print the following number pattern(Triangular pattern) ............1 .........1 2 1 ......1 2 3 2 1 ...1 2 3 4 3 2 1 1 2 3 4 5 4 3 2 1

I thought I should take a few days and read some more, and learn a little more. I decided to take a more easier approach. This 'start' of a simple pirate game, which I did not reference anything for once. So its all wrote from what I know, and not …

Hi guys, i am facing a problem which is i need to create a dynamic gridview control and i need to add eventhandler for this gridview. Therefore, how i add the event?

I'm dying here! So far you guys have been way more help than my instructor who speaks Russian or something. Any advice will be more than helpful. This is my issue... Use the random class once for each die, the sum of the two values should then be calculated. Each …

here is the simple code: [code=cplusplus]#include <allegro.h> #include <iostream> using namespace std; int FindArea(int,int); int main(){ int lenghtOfYard; int widthOfYard; int areaOfYard; cout << "\nHow wide is your yard? "; cin >> widthOfYard; cout << "\nHow lond is your yard? "; cin >> lenghtOfYard; areaOfYard= FindArea(lenghtOfYard,widthOfYard); cout << "\nYour yard …

Hi all, When the user enters a word, isKnownWord() checks whether the word is in the dictionary but even when I enter a word which I know is in the dictionary, into the terminal, it always outputs no! Can somebody please explain why it is doing this? isKnownWord in sc …

can some1 give me an example of sorting and merging an 10 inputted integers?!using java array..

Hello, I have a DataGridView that displays all the columns in the DataGridView Column from my database. The problem I am having is that my Row_id column, which is the primary key of the table, will not display the data within the Row_id column. Is there a way to retrieve …

hi frnds, I am new to programming. As i have to start learning languages, as my first step i decided to learn C as it is said to be the basic and most important. Can someone suggest me some way to increase my interest in C by giving examples of …

Hi, am using MyEclipse. The tutorial is on Hibernate & Spring ... [code] Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory at org.springframework.beans.factory.support.AbstractBeanFactory.<init>(AbstractBeanFactory.java:94) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.<init>(AbstractAutowireCapableBeanFactory.java:109) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.<init>(AbstractAutowireCapableBeanFactory.java:118) at org.springframework.beans.factory.support.DefaultListableBeanFactory.<init>(DefaultListableBeanFactory.java:87) at org.springframework.beans.factory.xml.XmlBeanFactory.<init>(XmlBeanFactory.java:72) at org.springframework.beans.factory.xml.XmlBeanFactory.<init>(XmlBeanFactory.java:61) at com.myeclipse.hibernatespring.BusinessLogic.main(BusinessLogic.java:23) [/code] I do have the commons-loggin.jar added to the Java Build Path ... My class ... [code] …

hey Guys im using this bubble sort to sort an arraylist out but cant seem to output the sorted data out properly! Is there a return method i can use? Damn ive been stuck hours on this one... Anyone that could guide me to a solution would be great. Note: …

I think I master the basics of C++ that good I can move, not all though there are many things still I don't know of course. I've made applications with mysql and made my own little roleplaying game and some calculator like things. Basically noobie like programs with no graphics …

Hi All, I'm a beginner in C and C++, and I get a "Stack Overflow" problem when I compile my code. I use visual studio 2008. My code uses some library, that has some header files, and some .cpp files. The library basically helps me in getting a random number …

I am trying to write a python program that will enter another program using a shell command, then issue commands to that program, then exit the program and continue running the rest of a python program. To be more precise, if I was simply running in a shell, I would …

Dear ALL, Could you tell me how can I get num1, num2 and Output 2 for the following programme. [code] program Project2; {$APPTYPE CONSOLE} uses SysUtils, ourcrt; var num1, num2: integer; begin num2:=0; repeat num1:=num2+1; if (num1 mod 2=1) then begin writeln(num2); end else begin num1:=num1+1; end; num2:=num2+1; until num2>4; …

i'm tying 2 describe my problem here.plz solve it for me.. 1. generate a random number b2in 0 and 1 (r); 2. do t=r*2.5 ; 3. do w= t/100 4. keep track of all t1,t2,t3.... in an array and do the sum S=(t1+t2+t3......) ; 5. repeat steps 1,2,3,4, till S<100 …

Dear Sir, I have got the answer of the following question but I do not understand why it has been done in this way: 3. Your task is to create a game of Heads or Tails against the computer. Write a program that asks the user for Heads or Tails, …

Hi, I was assigned to study and understand some code and I was told the major problem with the program was poor performance. Here's the bottleneck: A global data set is maintained. This data set is updated regularly. Then there are threads that have to do some processing using a …

Hi everyone, please can anyone show me how to show a progress bar while copying a file. I tried using SetTimer() but i does not work the way i want it i.e the file gets copied after the given time has finished.

Hi all, can you please help me solve these errors I am receiving: q2.cpp:127: error: expected primary-expression before ‘*’ token q2.cpp:127: error: ‘wordPointer’ was not declared in this scope print function which is contained within the sc class: [code] void printDict(struct wordRecord *wordPointer) { // Code omitted to step through …

class t{ Somebody please help me with one very simple program in java. I'm new to java, so I can't understand what all this errors about. Please help me fix this program. It gives three errors: illegal start of type swith (s) orphaned case case 'Y': <identifier> expected switch (s); …

Hey guys... I am working on a program where when a user enters a number, the program adds all the digits of the number and goes on till the sum is single digit. [TEX]Example: 9812737 = 9 + 8 + 1 + 2 + 7 + 3 +7 = 37 …

Hello, I have a question about bitwise operators, especially shifting. Suppose we have: [code=C++] #include <iostream> using namespace std; int main() { unsigned i = 2; i<<=2; cout << i << endl; } [/code] unsigned i = 2 in binary is 0.......00010, if we shift 2 bits to the left …

Hi I'm very new to programming and I'm learning C# for the first time with no experience. I just finished designing a program which counts the vowels in a sentence. Now I would like to count the vowels while typing it to the text box. I'm wondering what event/events is/are …

Can anyone explain the flow chart or algorithm of the program attach? The program is about LCD clock but I don't know how it works. I need it by tomorrow so please help me take a look. Thanks

I'm having an odd problem writing some template classes and placing the implementation in a separate .CPP file - specifically I keep getting the following errors: Error 1 error C2143: syntax error : missing ';' before 'List<T>::begin' Error 2 error C4430: missing type specifier - int assumed. Note: C++ does …

import java.util.*; class Degree2 { Scanner in() { return new Scanner(System.in); } void out(String m) { System.out.print(m); } double readDouble(String m) { out(m); return in().nextDouble(); } String readString(String m) { out(m); return in().nextLine(); } void foundRoot(double a,double b,double c) { if(a==0) out("Value x is: "+(-c/b)+"\n"); else { double data=(b*b)-(4*a*c); if(data>=0) …

[code=java] import java.util.*; public class Convert { Scanner in() { return new Scanner(System.in); } void out(String m) { System.out.print(m); } long readLong(String m) { out(m); return in().nextLong(); } int readInt(String m) { out(m); return in().nextInt(); } String readString(String m) { out(m); return in().nextLine(); } String digitOne(int n) { String st=""; …

hello , first i want to say that im very new at c++ , i managed to create a very simple program through searching the internet , this little program involves running a certain exe file with parameters : (e.g: "c:\folder\file.exe" -parameter1 -parameter2) i am using the system() function to …

Hi, I've been trying to read the file content from the file path entered by user at run time. However i always end up in error. Help needed... char name[100]; ifstream infile; cout<<"Enter filename to open"; cin.getline(name,100); infile.open(name); if(!(infile.is_open())) { cout<<endl<<"File Not Found"; } i'm not using relative path, instead …

okay, i wouldnt be asking for help if i didnt need. im completely stuck and have no idea HOW to fix it. my teacher didnt really teach how to figure out these things, he basically left the last assignment as a "teach ourselves" moment. anyway...whole point of the assignment is …

This is what I am trying to do... I have a image and I create a bufferedImage and graphics out of that using: [CODE=java] BufferedImage img = ImageIO.read(file); Graphics2D g = img.createGraphics(); [/CODE] Now I play with the graphics and finally save the file using: [CODE=java] File outputfile = new …

Hello all, Do anyone have any idea of what this Exception in occuring when i try to remove the elements in XML using XmlNodeList. It occurs in following section : [ICODE]XmlNodeList nodeLst = xmlDoc.GetElementsByTagName("FileName"); foreach (XmlNode node [B]in[/B] nodeLst) { //code }[/ICODE] Pl help ???

Hi all, I've gotten the drag and drop to work in my listviewbox with some help. I'm not trying to get a file to show in the listviewbox when somebody selects the file from the open file dialog box I've made. I've been able to successfully show the file in …