Software Development Forum

I managed to delete the only up to date saved copy of an important Java project I had (I know, I know). I have the compiled .class files and I know it's possible to decompile them. Can anyone direct me to any references or anything to help me do this …

This is ClickMe program where it's suppose to change button text once the user clicks the button. Although, program does successfully launch and pops up the "Click ME" button but once it's clicked nothing happens, it doesn't change anything. Any help would be appreciated. import javax.swing.*; import java.awt.event.*; public class …

Hi, I am trying to add a timer countdown of 30 secs to a form I have made. Here is the code inside the start button [code] timer1.Interval = 1000; timer1.Enabled = true; [/code] here is the code inside the timer_Tick [code] timerlbl.Text = timer1.ToString(); [/code] what happens tho is …

hello all, I work at a newspaper, and we use QuarkXPress for Desktop publishing...and we have a pretty unfortunate glitch, when Quark crashes, it seems to untick the backup option in the pref's... so I was thinking this would be a good place for a small recursive script, that would …

Hello sir, I am having one tabcontrol and many tabpages in it. I want to activate it with the button control. so when i click button1, tabpage2 must be shown. and so for button 2 etc. so i used the code below, but not working. [CODE] Tabpage2.show() [/CODE]

I'm just tarting with wxPythjon. I wrote this simple program to get some experience with panels.. It wants to open a frame and add a number of euivalent panels, each with an inactive button. And it does seem to do tht (the sizing is fixed because it's only a toy). …

I have written this parsing algorithm in c++ and compiled in visual studio.On runtime after giving the value it gives an assertion error. The logic is correct bcuz ive dry runned it but i think there's a problem with memory allocation.I need urgent help.Please. // sas.cpp : Defines the entry …

I was thinking of Separating functions from GUI. I want when have different classes of GUIs that share functions, then I will have one class full of function/methods on need. However I failed to separate them, for I could not make instance of Functions class in the gui class in …

Hi i am trying to make a notepad like program. The problem is that when i try to display some text nothing happens. If someone could help me i would really appreciate it. The function call: [code=c++] ... SetWindowText(edit, "TEST"); ... [/code] Creation of edit: [code=c++] ... HMENU Menu, SubMenu; …

Hey guys, This program gives me a nice segfault (on line 27 and if it's removed on the realloc() below that) and I can't seem to figure out why. Any help is greatly appreciated. [code=c] #include <stdio.h> #include <stdlib.h> #include <string.h> /* Parses parse_this for tokens using strtok() with seperators …

There was no forum for just general programming, so I decided to put this here. Just out of curiosity, does anyone know how you get from your programs running in terminal or command prompt to having them opening in their own window, with their own GUI? If anyone could shed …

Hy, I am trying to encode an X509 certificate into base64, and since the encoder I'm using takes only char*, and typecasting doesn't work, i find a different way to do this. I'm sure there is a simpler way, but i just can't find it. Here is the code: [CODE]BUF_MEM …

Hi I have been using classes for quite a while but there is still one concept yet that i havent ever quite understood and that is decorators. I have noticed Gribouillis uses them a lot so in some ways this question is directed at him. I would like to know …

Okay I am writing a database type of program, which will store data about people. I want to create a class: class Person { public: int age; int weight; int height; }; Okay now I want to do something like this: cout << " Enter name of person.\n"; cin >> …

Hi, I am trying to write the output generated by a simple command "dir" to a file. Can you please help me do that? Here is what I am doing -- system ("dir"); this will run dir command on my D: drive now, I want to write this ouput (in …

Hi to all, I am stuck with these problem, so I must ask for a little help. I have this "postfix notation" expression " 5 9 + 2 * 6 5 * + " ,written in a file "izrazi.txt". So , I am supposed to read it from the file, …

Hello everybody. I'm new in C++ Builder and I have problem with my application. I have some files on input and first I add files in ListBox1. I try to sort them by 3 conditions (firts is date, second is some secc. number and thirt is const. number) for example …

Following program gives me output 556 , I cant understand why ? [code] #include<stdio.h> main(){ int i =300; char*ptr =(char*)&i; *++ptr = 2 ; printf("\n%d",i); } [/code]

I'm learning some shell scripting but came across this line: [icode] link=`expr "$ls" : '^.*-> \(.*\)$' 2>/dev/null` [/icode] Where [icode]ls=$0[/icode] Can someone explain it to me pls?

Hey guys, I'm new to Python and programming in general, and I've come across a problem that I can't quite figure out in my experimentation with the random module. So, basically, I want the following code to ask the user to input a word, and then randomly print a single …

Have you ever had a problem where you are completely dumbfounded? Staring at the output of a program and saying this is impossible? Sort of like… int a =5; printf(“a=%d\n”,a); Output: A=6 Well, I’d appreciate if someone would take a look at this simple program below which creates a class …

Hello everyone, I`m new in this forum , and I`m an absolute beginer in C++ language. Therefor i already have some major problems in my learning. My compiler is giving me odd errors eventhough the codes are typed in corectly , exactly as in the book. Here are some of …

:?: I got from the book: Write a piece of visual basic code to process the responses of twenty students who were asked to rate, on a scale from 1 to 10, the quality of the food in the cafeteria. A response of 1 denotes ‘dreadful’ and 10 denotes ‘excellent’. …

Hello, I have a class with template argument, MyClass. Next I initiate 3 copies of that templeate class with different types : [code] MyClass<char> mc1; MyClass<int> mc2; MyClass<float> mc3; [/code] Is it possible in c++ to make a general pointer array with each element as reference to differenet initiated class? …

can anybody help me with my program tutorial?? my program is like a software tutorial for math,science,physics etc.. it starts with it starts with displaying a pdf file and after that displays 10 questions about the lesson.. the problem is after the first question is answered i need to click …

Hi, How can I have a JOptionPane that has multiple fields for entering text. Does anyone know if this is possible, if so could you please give me an example of how to do this? Thanks

I'm working on text-based role playing game that uses a GUI for some of the functionality. After a bit of a learning curve I've got the GUI done and am in the process of figuring out how to implement some of the other features. One thing I have run into …

How can i convert float or double to binary?

Dear All Although my tutor said that it takes 25 minus, I have been trying to understand for more than a week that how to do my task. I have done something as you said before in terms of "putting at least some efforts". Please see the codes below and …

I need to write a small application which can be used to store html from any web server. I have written some code that is able to fetch HTML page along with header. I need to know is there any way to distinguish these headers from actual html content. Can …

how can i choose in one ComboBox one choice and get a list in a ListBox specific to this choice. Sergey

i try to develop a make file and i got this error : Dependency line needs colon or double colon operator. my makefile is in this state yet: [CODE]Books.o: Books.cpp include/author.h include/Booksh.h include/library.h xlC -c SourceFiles/Books.cpp -l vista -L/sbx/asc/slib -I/user/serkans/myprog/BookLibraryTrial/include -I/sbx/asc/vista libMan : main.cpp cmnlib/libfoo.a xlC main.cpp cmnlib/libfoo.a -l vista …

Hi All, I have a VB6 application which can work in UI as well as in CMD mode. Now when I am running it in CMD mode I need to write few line into the console after completion of the program before quitting the application. The rest of the application …

hi friends, I have designed a simple calculator using vb.net I want to execute click event of button which labeled as "1", when I press key "1" on keyboard. please help me.

here is my code so far: [CODE] #include <stdio.h> #include <string.h> struct sale { int week; int units; int price; char name[30]; }; int main(int argc, char *argv[]) { int week = 0; int units = 0; int price = 0; char name[30]; int count = 13; int i = …

For example, i have char variable = "This is a simple text"; and i need to put word "Very" between "a" and "simple" How to do it using standart C library?

Hello everyone, I have been through the Starting Python thread, and I have archived lots of stuff for further learning ! But there is one little thing for which there is no specific explanation, and looking at Google doesn't help me much. Why do the classes of many scripts are …

Hello, I need to decode certain packets which I need to split first. They are splitted using '@@@' (in this example I only use one '@'). I'm having this code now: (It's basic C code for a NDS platform) [CODE="C"]char buf2[256] = "test1@test2@test3@"; char packets[30][256]; int main(int argc, char ** …

Hello all, Wondering if someone can direct me to a regex component and some code that I can use to strip out certain links from an HTML file (loading in a StringList). Example: <a href="../foo/23134.htm">bar</a> The result I'm after is: bar I only want to strip the link here, but …

Hello, i Recently Tried to copy a simple txt File To my Pc From My apps resources, But i get errors ect, Is this even possible? i was using [CODE] System.IO.File.Copy(svchost.Properties.Resources.Textfile, @"C:\", true); [/CODE]

I use this code to open a FileDialog, choose a file and press OK. It works fine, but when I press OK in the fileDialog, the FileDialog doesn´t close after pressing OK the first time. The dialog blinks one time and are still open. The second time I press OK, …

Does anyone know how to Detect Mouse Click Anywhere on Window, Not just on form?

i got one root folder containing my main.cpp and four folders named cmnlib(for static library), include(for headers), sourcefiles(.cpp), dbdes(mydatabase). i want to create a make file and it will first create object files from the .cpp files into sourcefiles folder and then it will create a libLibrary.a to cmnlib folder …

hi all, can you help me find a way to start a new internet explorer window in a new process? for the moment i am using window.open in javascript but its using the same process no matter how many windows i open while what i need is one process for …

i have done a read() and a write()... after running write() the read() won't read the newly wrote data until i compile again. my guess is that the newly written data doesn't get saved until i compile again.. please if anyone knows how to make it saved so the read() …

Hi guys, I pretty new to c++ and I have a problem with getline. I am supposed to call in a text file into a 2d character array and the text file is a maze. Here is my code: [ICODE] void maze::open() { ifstream file; int row=0; file.open("standard.txt"); while (!file.eof()) …

Hello, I am having problem with fgets accepting string from the keyboard. I have this statement : [ICODE]fgets(T , sizeof(T) , stdin);[/ICODE] in the code, but this thing is not accepting anything. I mean I have 2 strings to accept where I used fgets for the first, and then scanf …

Hai everybody!I'm trying to implement a program to implement Quine McCluskey algoritm.While trying to compile with the following code,I got an error which says " no match for 'operator[]' in '((Table*)this)->Table::isMarked[r]' " . Attached are the files: Table.h,Table.cpp,Term.h,Term.cpp Please help!!!

Ok, I just learned the basics of Python yesterday, and because of other programming knowledge, I picked it up pretty fast. So then I decided to try out pygame, and I installed it directly to my Python26 directory. But none of the example code I paste from any website doesn't …

how can i call a 1 command button in another form? for example i have form1 in the form 1 i have listbox, in my listbox i have item Customer, Product and etc if i double click my Customer i want to click my command 1 button in form 2 …