210 Archived Topics
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| | Hey Guys, Here's my code - for some reason, the message boxes aren't showing when I run the application. However, it shows up fine when I click the button on the form. Any idea why this would happen? Thanks. [CODE=c#]using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using …  |
| | Hey Guys, I'm creating an application that will require specific privileges. Users will eventually be add/removed from this group; I was wondering if there's a way I can tie in an Active Directory group to the software? Something that would let me say "if you're part of this group you … |
| | Hey guys, I'm trying to run this code [code=c++] // Copyright (C) 2001-2003 // William E. Kempf // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #include <boost/thread/thread.hpp> #include <iostream> void helloworld() { std::cout << "Hello World!" << std::endl; } … |
| | Hey guys, i have this project that, when i compile, 11 of the header files cannot be opened. I have no clue why - i've never seen this type of error. The project is much to large to copy/paste here, but does anyone have an idea of what would cause …  |
| | Hey Guys, I have a header file I downloaded for an application (actually about 20 header files). Most of them can be opened fine, but I get errors on a couple that say: [QUOTE]fatal error C1083: Cannot open include file: 'Transport.h': No such file or directory[/QUOTE] I've checked, and the …  |
| | Does anyone know how to add custom .dll and .h files to projects in Visual C++ 2008?  |
| | Hi everyone, In this page: [url]http://www.pentree.com/contact/list[/url] The coloring for our logo is off slightly when viewed in FireFox. However, the image looks like it matches in IE. Does anyone know why?  |
| | Hey guys, When I create a file on the server and i login with an account called engineer and try to delete the file it says access denied make sure it's not in use or is write protected. I have the ntfs permissions set. I tried with administrator account and … |
| | Hey guys, I'm about to start on a research project about multi-threading. I'm very comfortable with c++ oop/data structures concepts, but am completely new to programming with multiple threads. Does anyone have suggested resources for me to get started? |
| | Is there a way to make links in unordered lists be non-underlined by default? And when the user hovers over the link, it becomes underlined? Here's the current code: [code]<ul> <li><a href="water">Water</a></li> <li><a href="wastewater">Wastewater</a></li> <li><a href="surveying">Surveying</a></li> <li><a href="aerial">Aerial</a></li> <li><a href="it">Technology Consulting</a></li> </ul>[/code] On the page with the lists, all of … |
| | Anyone know if they've released a 64bit version of Group Policy Management Console? I need one bad =( |
| | Hey everyone, I'm tryiing to install gpmc on our server (see specs in profile). When I click the msi file it says I have to install .Net Framework before I can install gpmc. So I went to add/remove windows components and installed 2.0. After trying to install gpmc again, i … |
| | Our organization has hundreds of project numbers. I would like to create a program that will let me store the numbers along with keywords in a database, and then have the option for predictive searching. By predictive searching I mean something similar to how when you start typing something in … |
| | I am trying to convert an array of longs to an array of chars. There are 1081 elements in the long array. Each element is 4 digits long. Is there a function in C++ that will convert a long something I can store in the array or could someone point …  |
| | So my Data Structures class has finished the book we were using, but we still have a week of school left. My instructor has started going over binary files... only problem is I wasn't there when he went over it. My assignment is to open a binary file, save the …  |
| | Hey everyone, We (the place I work at) are getting a dedicated P2P T1 line to our main office. I'm not sure if this is going to be used for WAN traffic only, or also for internet. If it [I]is[/I] going to be used for internet, I want to block …  |
| | I'm going to be working on a summer research project with my college's robotics team. My task is going to be to develop a program to communicate with the robot via 802.11g. I would really like to stick to straight C++, and if I can't then C# is also an … |
| | Hey everyone, I'm trying to make it so that my ^ operator is right justified within this binary expression tree. For example, 2^3^4 should be evaluated as 2^(3^4). So I should get 2^81, instead of the usual 2^12. Here is the code I have so far. Everything works, except the … |
| | Hey everyone, I'm trying to work with Sets. I have a function [I]Union[/I] that takes a class type [I]Set[/I] as it's parameter. The function returns the union of class A and B. Here is my code: [code=c++]Set Set::Union(Set setB) { Set result (maxItems); for (int i = 0 ; i … |
| | Does anyone know of a compiler that will let you utilize WPF in Linux?  |
| | Hey guys, Can anyone tell me why this doesn't work in VS2008? I've commented out the #includes and whatnot so you can paste it into a single .cpp file and run it. Here are my errors: [quote]1>test.obj : error LNK2028: unresolved token (0A000320) "int __cdecl eval(class Tree<struct InfoNode> &)" (?eval@@$$FYAHAAV?$Tree@UInfoNode@@@@@Z) … |
| | Hey guys, I'm getting an error at lines #9 and #14. Could someone tell me what I'm doing wrong? [code=c++]StackType::StackType(const StackType & st) // copy c-tor { if ( st.topPtr == NULL ) topPtr = NULL; else { NodeType * stptr; // pointer to source Stack NodeType * p; // … |
| | Hey guys, I have a function that compares two dynamic arrays and returns true or false if they're identical. [code=c++] bool Identical(QueType que1, QueType que2) { if (que1.IsEmpty() != true && que2.IsEmpty() != true) { cout << "in loop\n" ; ItemType tmp1 ; ItemType tmp2 ; que1.Dequeue(tmp1) ; que2.Dequeue(tmp2) ; … |
| | I have an assignment question that says "Decide whether the [I]syntax[/I] of the following statements is valid or invalid." These are the statements: [code=c++] a) listData->next = ptr1->next ; b) listData->next = *(ptr2->next) ; c) *listData = ptr2 ; d) ptr2 = ptr1->next->info ; e) ptr1->info = ptr2->info ; f) … |
| | Hey guys, I'm going to be starting a research project pertaining to [URL="http://www.jauswg.org/index.shtml"]JAUS[/URL]. Basically, this is a standardized protocol to be used in autonomous robotics... someone will essentially connect to a robots IP and be able to transmit various commands over 802.11. I not exactly sure where to start, so … |
| | Hey everyone, can someone tell me how to include other .cs files in my program? sort of like the .h files in C++ I guess. I want to be able to call functions from other .cs files. Thanks  |
| | In one of my C# books, this is written: [quote] "if you write this application in VB.NET or any other language compliant with the .NET CLS, you will have compiled it into more or less the same MSIL. By design, IL code created from different languages is virtually indistinguishable"[/quote] I … |
| | Hey everyone, I'm going to be starting on a project that communicates with a 270 degree range finder. I would like to incorporate some sort of picture to represent the data it reads. Something similar to [URL="http://www.robotshop.us/hokuyo-utm-03lx-laser-scanning-rangefinder-1.html"]this[/URL] Does anyone have an idea of where I could start? I'm not sure … |
| | Hey everyone, I'm working with a login form in my application. The easiest way I can see to do the authentication is to query a user/pass database for any rows that match the given username and password. How can I send a query when the user clicks OK? Am I …  |
| | Hey guys, my prof is looking for a good polymorphism project. The one's in the book weren't good at all. Could someone give a suggestion? |
| | Hey everyone, I have a program using databases and I want to send a click event for the AddNewItem binding. I was able to do something similar for the "Save" icon, so that when a user modifies an entry they can click a link label that says "Apply" and it … |
| | Hey everyone, we're still working trying to get Linux to communicate to our robot via an RS232 port. We added this code to the project in Mono: [code=c#]Using System.Ports.IO SerialPort ports = new SerialPort("ttyS0",19200,Parity.None, 8, StopBits.One); [/code] We can't get anything sent out of our COM ports. We're not even … |
| | Hey guys, is there something special I need to do to access the RS232 port in Linux from C#? |
| | Hey everyone, I'm writing a program for work. I need to do the following: The user inputs an unknown number of values to be processed. I want to allow them to basically click "new" and be able to add a new textbox or something that will allow them to input …  |
| | Hey everyone, I have a program that computes the distance between two elevations at a given point. I need to plot these lines to a picture. I'm having problems getting the lines to start in the correct spot. Here's the code I'm using: [code=vb] Dim Gr As Graphics = PictureBox1.CreateGraphics() … |
| | We're trying to get our C# program to work on linux. We just loaded into Mono, and it compiles fine but the form doesn't appear. Anyone know what? Does it have something to do with it being a "windows form"? |
| | Hey guys, I need to know about Lithium-Ion batteries and where I can buy them. I'm not really talking about laptop batteries. I need something that can power a desktop for well over an hour (more like half a day). Does anyone know where I can get information on this? …  |
| | Which is better? We're designing a new autonomous robot for the competition we attend during the summer and this is one of our topics for design. I want to do a dual-processor, multi-core computer to run the software. Some others want to do distributed computing (between two laptops). Am I …  |
| | hey everyone, we have an argument that figured up the angle in a double. We need to convert that double to a char and send it out the serial port. I've tried this: [code] char t1 = (char)A; comBobbySue.Write(A);[/code] but i get errors. can someone give me a hand? :( |
| | Hey everyone, I want to restrict cursor movement outside of a picture box when the user clicks a button. Here's what my code looks like so far: [code=c#] private void btnX_Click(object sender, EventArgs e) { if (remote == false) { remote = true; Cursor.Position = pctRemote.PointToScreen(gridCenter); //centers the cursor on … |
| | Probably a bit of an advanced question... How hard is it to allow for multi threading support with C#? For example, we have a motherboard that has the capability for two processors with four cores each (dual xeon quad cores). We want to dedicate one processor (or core) to calculating … |
| | Hey everyone, is this the most efficient way to round a decimal number to two decimal places? [code] txtXaxis.Text = String.Format("{0:F2}", A); //show 2 decimal places txtYaxis.Text = String.Format("{0:F2}", V); //show 2 decimal places[/code] thanks! |
| | Hey everyone, I'm completely new to C# so I'm sorry if I don't make sense. I need to capture the x and y position of the mouse cursor within a group box (or some other frame). How can I do that?  |
| | Hey everyone, I'm trying to write code that will be sent out of the COM port to a PIC microcontroller. However, I don't have the controller available yet. Is there an emulation software that will allow me to virtualize a COM port and capture the data that's being sent to … |
| | A very funny (and borderline absurd) article I thought many of you would enjoy: [url]http://www.pbm.com/~lindahl/real.programmers.html[/url] :) -hope this is the best place to post this |
| | Hey guys, We're trying to work with a driver program for our robot. If we can grab the x and y coordinates of the Mouse we could send them to the controller for driving. Does anyone know how to capture the mouse movement into an integer? |
| | Hey everyone, A friend and I are trying to figure out how to interface C++ 2008 with COM ports for our robotics team. Is there a simple "template" we could go by, or is it different for every device? Could someone provide an example of how to transfer data to … |
| | Hello all, I'm looking for a good VB.NET book. I know a little about c++ and am looking for something along the lines of a text book. Anyone have any good suggestions? |
| | Does anyone have a recommendation of some software I could purchase to simulate cisco routers? I'm in the netacad and am looking for something that will allow me to setup networks to test or with give me practice labs built in. thanks |
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