[handling] Forum Topics

Hi all! Whenever I am working with my code in my main.cpp file, I can call character-handling functions like * isdigit * isalpha * isspace * toupper without importing the `cctype` library. However, my C++ How to Program Book shows that the cctype library must be imported before the functions …

the problem I have here is: when I input an integer it works fine, but when i input any other thing, it doesn't give me a chance to input again when the loop iterates, it just keeps printing "error type the right thing" to the screen even though "cin var" …

Following exceptions are `Checked Exception` or `Unchecked Exception` ArrayStoreException IllegalArgumentException

hi i have problem , i want to modify a file without copy to another file so any one can give how to do it ? I tried following method to modify a given location or pointer in file but did not work . ofstream outfile; outfile.open ("test.txt"); outfile.seekp (3,ios::beg); …

I have been working on a conversion project for last few days where I need to convert a Java library to C#. At one point I came to java's certain feature called [Exceptions Thrown by a Method](http://docs.oracle.com/javase/tutorial/essential/exceptions/declaring.html). Here is a little glimpse of it: public boolean isRequest() throws NullPointerException { …

Hi, Can anybody help me out to solve string handling without using predefined spilt function , here come the questions for eg i have a input string as "hai welcome to the sample " so i should display as follows hai welcome to the sample pls advice, thanks for your …

Hello, I have a problem when trying to prompt users on two levels with Perl. The first prompt command works fine. But when doing the second command as below, I get Enter a command (count/close/quit) : Enter a command (open/quit). I don't see right away why this happens. Any idea? …

Here is what I am trying to do: From VB.net open a word template --- Done Populate it from a database ------Done Have word report back with the saved file name so as I can add it to the database history ----Not done. I know is has something to do …

Hi all, I am creating one GUI application in java. I need to make menubar visible when particular panel is made invisible. Is it possible by creating an event which will be triggered when panel is made invisible? Can anybody help me? Thanks in advance!!!

I am trying to sort a record according to their respective number like this: [CODE] 5 reyes d r 1 2 3 3 delos d k 4 5 6 9 go t r 7 4 5 1 po w w 2 2 2 2 bun b m 3 3 3 …

Alright, I am working on this for an assignment and I cannot seem to figure out where I went wrong... My first problem, whenever I input the CC number, the only one it accepts is the last one in my text file... My second problem, when it does accept a …

I'm looking for any thoughts on how I am currently doing error handling in my VB.NET programs. Basically I put code in a try/catch, then call an error handling sub passing the exception and a string. The error handling sub gives an error message and writes to a text file: …

Hi I am using the PHP include statement to enable publication of a piece of news. The news is filed as "news.txt" and the user has access to a directory to upload the file or delete old news but no access to the code. If the file does not exist …

Hello, I have this assignment in C. The problem is that the functions have to be placed in separate files instead of just one. I haven't done that before. It seems code that would have run if the program was written in one file doesn't work when the functions are …

Hi this is an assignment for my computer science lab. It is weird because if I compile and run with my c compiler from ubuntu gcc4.4, it works perfectly. But if I compile with the university's server (I connect with SSH) it messes up The main purpose of the program …

Hello all: I would be grateful for some basic advice about C++ error handling. From my reading, I understand that the "try, throw, catch" method is preferable to dealing with return values, which can be cryptic. But I'm not sure if I understand exactly how this works. I made a …

Hello all, I'm having trouble with making a 2d vector array class. Would anyone have time to help with a couple of questions? I think my problem is with overloading (). I notice that this: [CODE]template <typename T> T& Array2d<T>::operator() ( int x, int y) { if( x >= rows …

Hello members of Daniweb :) I am a frosh IT student and I need little help with this :) ok so the program is basically a simple cashier program. you enter a code for an item. you buy it compute for the change etc. etc. now my problem is with …

Hi. I've got to write some code to get data from an XML document and turn it into C# objects. Problem is that the XML document will not always have the same nodes, since it is produced from a web form that people have filled in varying amounts of (which …

Hi, I want to make a python program which allows to read data from a file starting from a line with a certain keyword, skipping 4 lines, beginning to write the contents to an output file and stopping after n lines. I tried so far an input with the re.search() …