Software Development Forum

Hi everyone. I'm having trouble emitting a call to a delegate whose type is unfinished at the time of the emit. I'll elaborate: I'm trying to dynamically (i.e., with a [inlinecode]TypeBuilder[/inlinecode]) create the following class: [code=C#] public MyClass { // Delegate type. The 'firstArgument' will be 'this', i.e., this is …

I have some code that uses _finite (I think from float.h) that my linker complains is not declared. I think this might be a "windows only" function. Is there an equivalent function that I can call that will work cross platform? Thanks, Dave

I've been tasked with implementing either the min-max function or alpha-beta pruning to code AI for the game Gumoku (connect 5, vertical, horizontal, or diagonal). In both algorithms an evaluation function is called to analyze the board of play. Is there any "easy" way to do this? My initial plan …

Hello, I am wondering how its possible, to make a server that you can connect to it, through IP and Port and than send data to it, For example I am trying to make a simple multiplayer game. But I am really amateur on connections etc. So please help me …

Hi guys, Im new to MIPS and have no idea how to do this. Just need to convert an integer to a character. Thanks

Hi guys, I have been trying to implement a shared circular queue between 2 processes. My structures are as follows: [code] typedef struct client_entry { long shmid; int pid; struct client_entry *next; struct client_entry *prev; } client_entry_t; typedef struct client_queue { unsigned int num_entries; long current_shmid; int notify; struct client_entry …

My problem is when i try to include the function [B]funcString[/B] in my code and try to built it , i get this errors: [QUOTE]error C2065: 'ch' : undeclared identifier[/QUOTE] And when i remove the function [B]funcString[/B] i don't get any error and the programs runs perfectly. HERE is my …

For an electronics project, I have to access the TxD, RTS and CTS pins of a serial port individually. Well, any 3 pins could be used, but those 3 are preferred. All I've been able to find on the microsoft website are functions to access the serial port as a …

Hi there! I'm new to c++ and I'm having problems with ifstream. I assume that my question is pretty stupid but here you go: I've got something like: [code=c] ifstream infile(inname); [/code] Furthermore I do have an array - let's call it Array - which contains several filenames I want …

Hi, Sorry if this is asked before, but I'm having trouble figuring this out (tried already for a couple of hours). This is what is going on: Kids make a test with 50 question. These test are checked manually on paper and afterwards need to be put into a website. …

Hi, I have been experiment with Recursion / Trasversal through directories recently but seem to have run into a few unexplainable errors. Attached is my source code which is a function (which has the path (input user directory) passed into it). What im hoping this function will do is detect …

If you don't know what a quine is, it is a program or script that's only purpose or function is to print out its own source code. I was wondering would this be considered a quine? [CODE] f = open("quine.py","r"); print f.read() [/CODE] quine.py is the script that this code …

[CODE]#include <iostream> #include <list> using namespace std; template <typename T> class superlist : public list<T> { public: // squish() is a mutator that "squish" together adjacent duplicate // elements in a list. // // Example #1: // [3, 3, 4, 3, 3, 3, 2, 8, 8] // becomes... // [3, …

Hi Guys I want to build an application which can be used to empty the content of bad (remapped) sectors. At the moment I really dont know where to start, so I am hoping someone can give me a push in the right direction. It would also be nice if …

So I made a template...I tried declaring a string linkedlist like so... [CODE]LinkedList<string> str; [/CODE] Then i called the function insertLast to insert a string called hello..like so... [CODE]str.insertLast("hello")[/CODE] Then it gives me null pointer error...I cannot see how there can be a null pointer...help would be appreciated..Here is the …

Hi all, sorry to once agian come begging for help, but the professor wants us this time to have the program have a function read the word then for each letter have another function confrim if the letter is a vowel or not, then have the first function remove the …

I have following peace of code, when i check it with valgrind it gives me "537 bytes in 19 blocks are possibly lost in loss record 12 of 12" Following is the code: CManager.h [CODE]class CManager enum RespType_en { eInvalidRes = 0, eAuthRes, eActivateRes, eSetStateRes } map<RespType_en, string> m_mRespTags; [/code] …

hello please help me on this problem....i put this in form load txtunit.text = "C" my problem is that how can i position the cursor after the letter C..if i use txtunit.setfocus the cursor can be found before the letter C but i want it after...please help me.. thanks in …

Hi all, I have a requirement as follows, I have to display a list of datas in to a list box in button click functionality. When i click the button, values should be fetched from database table and loaded in to the list box. for example: the database table has …

hello, i want to pass an array and 2 more integer elements in the routine of thread in pthread in c. i know i need to use structure for the same. i am using pointer to that structure in this case. i need to know--- what will happen if i …

Hi, I have a qsort problem I just can't solve. I've got an array of pointers to a structure called struct mys. The structure has an int value called id. I want to use qsort to sort this array of pointers to structure in ascending order by the id value …

Write Your First Application On Win32 ===================================== What is Win32 :-) win32 is an plactform that like J2ME and J2SE means that it have it's memory model and have a architure and have those Applications programming interfaces to call to the operating system . Like the APIS in the java …

Hi everyone! I'm new to C++ and i was told Dev CPP is a good compiler. I installed it and anytime i try to open it comes out this message: There doesn't seem to be GNU Make file in PATH or in Dev C++'s Bin path. Please make sure that …

So for example, in the dictionary, the letter 'A' has a value of .8237 What I wan't to do is replace every letter with the value with .8237 to D in the string (not the dictionary) I've tried this without success and It's obvious why it wouldn't work: [CODE]if sorted(dictionary.values())>=.01: …

I tried to compile this code but it keeps telling me error C2446: '>' : no conversion from 'double' to 'float *' and error C2440: '>' : cannot convert from 'double' to 'float [5]' But I already converted it to float. Is there anyone can help to figure this out? …

I just tested because i'll need soon the fopen function... Im using Visual C++ and i made a txt file in the root (didn't work so also tried to put in the source folder.. didn't work either) the text file's name is: Keywords.txt I tried this: [CODE]fopen("Keywords", "r");[/CODE] didn't work …

Can somebody help me with the code to read file names from a folder? curretnly i'm using the below code. Dim files() As String files = System.IO.Directory.GetFiles("c:\myfolder") this is not working please help me.

I need some help with postfix expression please. I've only been able to find examples about changing from infix to postfix. With the code provided below, I want it to the following: 1. if the token is an operator (it is a +, -, *, or /) a. two items …

I have written the following code for VB6 The application uses MS Access and used Microsoft Jet 4.0 OLEDM Provider [CODE] Private Sub cmdSubmit_Click() On Error GoTo Handler Eval_Env.Insert txtEvalCode.Text, txtEvalName.Text, txtEvalPhone.Text, 0 ClearControls Label4.Caption = "Data Submitted Successfully" Label4.Visible = True Handler: MsgBox "An error occurred" Label4.Visible = False …

I use VB .NET 2002 (academic version) I have created an MS Access database to be populated with vaules extracted from dBase files. Some numerical values can be null - ie where no data was recorded in the dBase file. Relevant field properties in MS Access mdb table are set …

i have 2 applets each in separate files. lets say i wan to click a button in applet1, and it will show applet2, hide applet1 and vice versa. how can i achieve tat? [CODE]/** * @(#)ATM.java * * * @author * @version 1.00 2010/3/1 */ import java.awt.*; import java.awt.event.*; import …

Hi everybody, I'm looking for a way of getting a machine-specific string on windows, something like cpu or hard drive or bios serial #. It has to be implemented in c, not c++. I've already browsed the api quite a lot but I'm not sure (and I don't know windows …

Hi, I've created a Web Service application inside Jboss 4.2.2-GA and I want to set up the jboss log4j configuration so that my Web Service logs inside a custom log file (not inside the server.xml). To do this I've altered the jboss-log4j.xml file to create another appender. This file is …

Hi All, I am trying to execute a [icode]find[/icode] command to retrieve all files of a specific type, e.g. images. Rather than using an OR'd list of suffixes with ~every~ image type, I wrote a small script that returns the mime-type (image, application, executable, etc). The problem is getting it …

I am trying to compile some old code a colleague gave me. I have MyClass.h [code] class MyClass { public: static int UseIndex; .... }; #include "MyClass.inl" [/code] MyClass.inl [code] ... int TreeNodeData::UseIndex=1; ... [/code] I am getting: [code] multiple definition of `MyClass::UseIndex' first defined here [/code] I got several …

Ok so i need to make a program that you put in an email address and it checks for the @ symbol and then makes sure its not the first digit or the last digit. Now i know that there is " like s.islower( for lowercase) and s.isupper but i …

I used autonumber for my id. i attach the screen shot.. [ATTACH]13899[/ATTACH] and i dont know how to make a code for compute command.. It should compute all the payments on that day, but i really dont have an idea how to make it.. ill attach my vb and access …

Hi, i am having a problem on my program [CODE]Private Sub Command1_Click() If text1.Text = "" Then MsgBox ("You have no content on your 1st Textbox") Else End If . . . Bunch of codes that will result to an error if there is no value for text1.text[/CODE] When the …

i got a site that is hosted by google, i have to write a program that creates/updates pages on the site... i got the google site API... but i have no idea where to go to.... so far my app logs in to the site, and access my documents, which …

___Theme: PGF - the improved formatting; AUTOMATIC localisation / CORRECTION of structural ERRORS in initial codes Pascal and Delphi. ___ Keywords: debugging, formatting, support, reliability, visualisation, documenting, Pascal, Delphi, FreeWare. ___ Dear programmers. ___ Formatter of the programs initial codes, used in modern practice of programming, are based basically on …

I'm trying to write an external log-in class for my Adv Java class in school. It's an online section and the teacher is very hard to reach thus why I'm asking for help here :). But my problem is right now I have my log-in form and I have it …

Hi, I have an input like this: gene1 pos1 description1 gene2 pos2 description2a gene2 pos2 description2b gene2 pos2 description2c gene3 pos3 description3 gene4 pos4 description4a gene4 pos4 description4b and I would like an output like this: gene1 pos1 description1 gene2 pos2 description2a, description2b, description2c gene3 pos3 description3 gene4 pos4 description4a, …

Hi! I have a problem with an unintentionally exiting of a while loop. I'm trying to do a simple tic tac toe program. When one player has won the game, for example three X:s in a row, the program says "X wins!". So far OK. And thereafter I want the …

I have a CString : CString data; data.Format = ("!64.8 Px.1= 1200"); I would like to copy the number 1200 from data to another CString data2. Anyone can help? Thanks in advance

So i have Class Parser and in this class is constructor [CODE]Parser(string s){ // constructor tokens = s.c_str(); // convert to a C string opStack.push(END); // initialize opStack }[/CODE] tokens was defined as const char *tokens in private ; That is in the parser.h file However when i try to …

I don't have ambitions of making a Turing complete language but I thought it might be cool to look into, at this moment my goal is pretty much to just do integer math, maybe functions. I've got the Antlr IDE plugin for Eclipse and I wondered if it would be …

Is it possible to find a record in a datagrid by typing characters into the grid? Bascially if I have the following records: Anne Bob Bill Bud Carl Carlos Curt And type "C" it will got to the records that start with "C". If I type "Ca" it will go …

Hi, I'm having a problem creating two child and manipulating signals. My problem with forking is that when I do: [code=c] int main() { pid = fork(); pid2 = fork(); } [/code] This create more than two forks, so how do i create exactly two forks? And for each child …

Guys I need a good career advice. I am currently working in a IT consulting firm as a junior java developer. My firm wants to upgrade my skills. Since its a consulting firm they want to add extra skills in me to make me more productive. They have given me …

Using VB.NET write a program that can calculate the grade of a student based on his or her marks in five subjects as input according to the following rules: •Grade A: For average between 100 and 80 (inclusive) •Grade B: For average between 79 and 65 (inclusive) •Grade C: For …