Software Development Forum

hello, another stupid question but what is wrong with this? [code] infile.open("new.txt",ios::app); if (infile.fail()) { cerr << "Error"; exit(1); } [/code] ever since I've added the ios::app it keeps printing error and then haulting but from my resoruces if you want to append a txt file thats whats the syntax …

Im attempting to do bitwise operations on a character string and want to use the bitset template. I am having some trouble, it doesnt seem to like to be constructed using a char* string or std::string... I'm knew to this particular template. Here is what I'm attempting: std::bitset<3000> Line("abcdefghijklmnop..."); anyone …

:) Hi, I'm a newbie here. I just want to know how to change this code so it can count word instead of letter code: [code]#include <iostream> #include <fstream> using namespace std; // count letters 'a' to 'z' in string s void countLetters( string s ) { int pos, sum …

Hi- I am completely new at programming. In fact, I haven't even started classes yet, just reading an old second-hand book on QBASIC. I've gotten to a part where it tells me how to get into QBASIC and how to write a sample program. At the DOS prompt, I typed …

What is a two way templatized linked list in C++? Does it mean using syntax below for classes and member functions definitons? [code] template<typename type_variable> [/code]

I want my application to be able to access an external help file. I also want the user to be able to install the program is his chosen folder. The problem this creates is that I don't know how to specify the Namespace for the help provider. I want to …

I have no idea how to use these two. I tried for 2 hours. And I also read the c++ books, but no luck. Can some body start me out.

I don't know if this is possible....... i have made a program containing 3 files 1.main.cpp----it includes both complex.h and def.h....main.cpp is simple menu 2.complex.h---class declerations 3.def.h-----definations of the member functions now i want to give my code to someone....is it possible in some way that.....i give only main.cpp and …

I need to use a class for a program that reads an input file, prints the file, sorts the list then prints the sorted list. This is for a Programming II class. I can see how to print and sort. My issue is the input file and the array. I …

Well wrote the code but still I have some problems, so could someone help me plz. void ageCalculator() { char birth[BIRTH],output[OUT]; static int finished,d[2],m[2],y[4],days,flag; int i; /*initialization of arrays*/ for(i=0;i<11;i++) { birth='\0'; if(i<6) output='\0'; } printf("\n Age Calculator\n"); printf("-------------------\n"); /* code to get and validate the input*/ do { flag=FALSE; …

Hello, I've a question about the helpfile in the menu of vb. I'm working now 1 year with this program on my notebook, but today i get suddenly a error when i choose help or index in vb6 menu. The error says : busy to try using a not compiled …

hello everybody I am writing a jni wrapper for c++ api's the c++ dll is on linux, so i get a .so shared library. I am working on windows, using vc++ 6.0. can i include the .so shared library in my workspace in vc++. when i do it i get …

Hi, Please see the code below. [code]void Allocate( char* s ) { s = (char*)malloc( 100 ); } int main( ) { char* s = NULL; Allocate( s ); strcpy( s,"Test");/*I know that this will fail. b'coz I still have a NULL pointer in s. Initially s was pointing to …

I am back again with a new query...preparing for technical interview questions --------------------------------- Without using sizeof operator,can we find sizeof datatype.

I want to make a small backup script to copy files to cdr. Are there any python modules that can accomplish this?

I know that if I have a program with a connection to an Access database, if I change the name of a table in the database, when I try to access that table from within the program, it's going to throw an exception. My question is, how do I cause …

ok, so i want to mak a keylogger, so i can see how they work. I am TRYING to follow [URL=http://www.webtropy.com/articles/art4.asp?Keylogger]these[/URL] instructions. i am having a really hard time with the mouse functions. its saying mouseeventargs not found... if you know a better way to make a keylogger. Please let …

I am trying to write a program that reads in a file of numbers, writes to a file and displays the numbers in correct order. I don't fully understand how to read the file and pass that information into my class declarations in order to output before and after the …

Hi all, just need some help on my coding. I cant figure out what i'm doing wrong as far as i can see it should be working.... It s a very basic guestbook form and the cgi script seems to work but for some reason my reply page won't show …

Hello, I've been experimenting with different Python IDEs since I started to learn Python. I must say that WingIDE is the best I tried, but unfortunately it's not free and that 10 minutes use is killing me. So I decide to write my Python programs in DrPython which was recommended …

Is there any sequence of left shift and right shift operators that can divide or multiply a number by a number that is not a multiple of 2 i.e. can we multiply a number by 11 using a sequence of left shift and right shift operators .

[B][FONT=Arial]err....... is there any command line in Dos to make it full screen, so that i can put it into a system(" ") line in my c++ console program? Thanks in advance.[/FONT][/B]

Hello all, I am ammature rpohrammer althought i started w2ith C from 1996 but got trouble with world. still like C++ and c. I have question right now which programming language is best for low leval programming . i am doing right now c++ have some experinace in c and …

Hi all, I have had some experience using pointers in C and C++, but not in VB6. I am using a function that requires as an argument (ByVal lPtrBuff As Long, ByVal lWriteSize As Long). I am assuming this means a pointer to the beginning of the data I want …

Hi, I'm a college student at UAH that hasn't taken a computer science class in almost 2 years. I need this one to continue on with my major, but I can see that I remember a lot less than I'm suppose to. Basically, I don't understand what he's asking for …

I am making a password manager. At the start of the program it prompts for a password. I want to give the user the option to specify this password to what ever he/she wants. Would i save it in an XML file. If so how.

Well, here is the gist of the problem. When I read in a file of integers, if there is a formatting character at the end, the last integer is repeated. For instance, in the code, it is reading i01.dat. If that file reads as follows: 2 3 4 5 with …

Ok so i want to create a file [CODE] File.Create("..."): [/CODE] I want it to be able to detect the user that is on so it automatically creates it on there desktop. Is this possible.

It seems that with vectors you can only delete via iterators. Since I can access and update by index [], shouldn't I be able to delete by index? The reason I ask is that when you delete via the iterators and the value exists multiple times, I believe it deletes …

Me again, this time I really have a problem. I'm trying to add an element before a certain element. Example: List: 1,2,3,4,5 Find: 2 Add: 45 List: 1,45,2,3,4,5 Now the thing is that when I find the number and try to add a new number it adds OK but then …

hi everybody i am stuck. i am first time using beans. can anybody please tell me how a file can be copied from one machine to another machine usingg beans. i dont want to use servlets or JSP. regards vps

hi all, Can we create an exe for a Java application so that we can run it directly by executing the exe?

I'm having the following problem and can't find a solution: I have an app with four combo boxes, each of which gets its selection list from tables in a database. Each table has a form that can be used allow the user to populate that table. I have one Combo …

Is there any way to pack framework in application,if yes how :?:

I have a question: How can I access a Windows system variable from within my application? For example, if I want to store my help file in the Windows folder (the variable "windir", how to I tell my program that? I could also just put the help file in the …

Hi, I've created a GUI program that has JButtons for like a menu. I am trying to get the action listener to do a whole other method. EXample: view.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { menu(); System.exit(0); } But, It will not go to the method. It displays an …

i am new to this concept of make files.. i would liek to know as to how to use it..... i was given an assignment to make a calculator using C and to also provide a make file... i have looked up on the net and have understood as to …

I found this nice online book with exmples [url]http://www.byteofpython.info/[/url]

i tried for sorting the link list for weeks already, and yet still couldnt get the output as what i want. i search through the forum and i found the coding "algorithm" (in blue color) for sorting...but it seems tooo alit bit toooooooooooo long. so far, i was trying to …

if anyone knows of some good tutorials or links covering the how/to's of programming C completly off of linux command line... inputs would be greatly appreciated ... --thanx

hi my name is srikanth.can anyone briefly explain the concept of polymorphism to me in java context. thank you.

Hi Guys. Basically I was wondering if it is possible to Append to the START of the file, instead of the end? For a bit of background information, I have a lump of raw data in hex (they are samples collected from a microphone on a microcontroller then transferred to …

Can anyone help me with some goods sites that give detailed explanations of libraries available to c++

I am getting lots of error messages from this program. What am I not doing. I followed the suggestions in my book as well as from fell dani members, yet I am still not able to get this program working. It is suppose to add, average, find the smallest and …

Can anyone tell me the limit of number of controls that can be used on the form

_tempnam() always returns a filename in the "c:\\temp" directory, regardless of the parameters. This example was extracted from MSDN. I need to generate a unique filename in a directory other than c:\temp -- any ideas how to do that other than writing my own function? maybe a c++ solution? Note …

hi, i've to set some conditions to my program. user has to enter a string of 9 letters + numbers eg. x1234567y OR 12 numbers eg. 111111111111 before hitting the ok button (this ok button in my 1st form will direct me to my 2nd form if i keyed in …

Hi all.. i am doing myC++ assignment and i got problem in adding, deleting, and modify records. It should be some problem, but i dunno what's wrong. can somebody give me some tips for doing this ? THanks

Hello, I'm trying to execute this simple code: [code] class Person: population = 0 def __init__(self, name): print 'Creating % s peron' % name self.name = name Person.population += 1 def __del__(self): print 'Destroying %s person' % self.name Person.population -= 1 prvi = Person('Asimi') drugi = Person('Mici') [/code] I'm using …

I do: paramField.ParameterFieldName = "P1" ' Set a value to the parameter. paramValue.Value = strTemp paramField.CurrentValues.Add(paramValue) paramField.DefaultValues.Add(paramValue) ' Add the parameter to the ParameterFields collection. paramFields.Add(paramField) CrystalReportViewer.ParameterFieldInfo = paramFields strReportSource = strReportSource & "Transaction For Specified Account.rpt" CrystalReportViewer.ReportSource = strReportSource Then I get "Load report failed" Any suggestions? Thanks....