53 Solved Topics
Remove Filter  | Anyone know of a way to obtain an MD5 checksum of a file (through HTTP) before downloading it through HTTP?  |
| | Can I use a DLL embedded in an executable (as a resource) without writing it to the disk? (Windows) |
| | Is there some trick to networking between LAN machines? I want a client/server system on the network but I haven't a slightest about the IP. I'd like to avoid dropped packets, so from my limited knowledge I'd go with TCP. Etc. How do I locate another machine via IP on …  |
| | Java: I have a bunch of stuff drawn to the blank space of a JApplet app. I need to add a JButton at a specific location. I don't know how. What's the easiest way to do this?  |
| | My simple POP3 client (set up for Gmail) isn't downloading all of my messages... Any idea why? I have 350 messages in my inbox and the program only says 296 of them show up. Program.cs [code] using System; using System.Collections.Generic; using System.Text; using System.Net; using System.Net.Sockets; using System.Net.Security; using System.IO; … |
| | Is there a library that's easy to setup and use with Visual Studio 2010 for AES encryption/decryption? I've been fiddling with CryptoPP and it's endless link errors and iterator_level_not_equal error messages for an hour now, so I think it's time to look for an installer or a new lib. Any …  |
| | Is there a simple way to get a list/array of all the predefined colors? (without listing them all individually) ? It seems as though the colors are properties of the class "Color" rather than an enumeration.  |
| | Can I use my own code that I slapped a GPL on and provided to sourceforge in my own commercial application? In that way, does the GPL somehow relinquish my own rights to my IP?  |
| | I've been fiddling with some boost spirit stuff, and my code seems to start infinitely looping somewhere in the standard library stuff. Any ideas what's wrong? The qi::phrase_parse works very well, but the karma gets me. [code] #include <iostream> #include <string> #include <vector> #include <algorithm> //#include <boost/spirit.hpp> #include <boost/spirit/include/qi.hpp> #include …  |
| | I've been trying to make a reliable IRC client for a while now, and I know very little about sockets. I have read the RFC quite a bit, but programmatically responding when appropriate, and detecting errors still boggles me. How is the program to know the server will send three … |
| | If ASIO had better documentation I could probably have found for myself an answer, but instead... Is there a way to determine bytes available to read using the asio::ip::tcp::iostream ? I really like the tcp iostream because it's super-easy to use, but I haven't found it exactly feature-packed. Does it … |
| | I have a combobox I need to display some data in from a Database, but there are duplicates and I don't know how to select the distinct ones. Any help? |
| | I have a form with a number of controls on it, and I had thought that the "Controls" property of the form instance contained all of the controls on the form as per the documentation. Actually it does, but now iterating over all of my controls becomes similar to iterating …  |
| | I have a database bound to a listbox but I would like to view only certain items, how to do that? It sounds like a really simple task but I don't know how to do it. |
| | What is the equivalent of the "setw" stream manipulator for C++ in Java? I've been messing with the java.util.formatter class, but haven't figured this out yet? [url]http://www.cplusplus.com/reference/iostream/manipulators/setw/[/url] |
| | Hey guys what's the easiest way to find the Nth occurrence of a character in a string? I'm hoping there is a standard library function with a name like "NthOf" or something. Thx.  |
| | Hello there, I'm not too entirely familiar with the operation of scheduled tasks within Windows XP and I'm tasked with finding an operable solution. Firstly, a couple things come to mind: 1. Start the process with windows using a low priority and sleep until it is time to function. This … |
| | Hey, I need to know how to add my program to the environment variable PATH without messing up my PATH in the process... Of course I plan to use Environment.GetEnvironmentVariables() and set... Anyone have some experience with this? |
| | Not to promote the use of alcohol, but it is in most places legal at least. Well I turned 21 a few months ago, so I'm wondering what everyone else drinks when relaxing on their off days? I like: Miller Lite Bud Light Other non-traditional (non-mass-produced) beers like dos equis, … |
| | I was just wondering what is the usual solution for synchronizing solutions between laptop/desktop (or maybe in another case between home/work) ? I was thinking an svn repo. would do the job, but where to find free hosting, or can I host it myself? |
| | It's becoming that time again where Americans have to choose which idiot to vote for. In recent years I haven't voted nor have I been educated about the candidates, and so for 2012 I have decided to change that. Firstly, what is a good source of news for learning about … |
| | Hey, I'm wondering if it's a good idea to put my email in the about box of a utility I wrote, and in the source code. My thinking is the developers or users will be able to contact me if they have problems with it or ever need to update … |
| | I copy data from a "DataGridView" to the clipboard, but it contains lots of mysterious tabs that shouldn't be a part of the data, here's a sample of what I mean: [code] Keywords Searches omaha nebraska apartments 260 houses for rent in omaha nebraska 140 houses in omaha nebraska 720 … |
| | I need to extract an integer value from the end of a string, and I'm a little bit lost on algorithm functions/classes in C#. Is there any sort of convenient class/function to help with this? Here is a sample string: "omaha nebraska weather 2400" |
| | I recently stumbled upon a boost installer (which I think is awesome), here [url]http://www.boostpro.com/download/[/url] and I was wondering if there is anything similar for QT and Visual Studio 2010? On the QT Website I found this page, but no VS2010 installer. Will the 2008 one work ? [url]http://qt.nokia.com/downloads[/url] I suppose … |
| | Hi this project is actually C++/CLI but I expected more useful help from the .NET developers (most things are similar). So, I have a transparent form (completely transparent) and I want to draw a visible rectangle onto it and since I am using C++/CLI I was hoping to do it … |
| | The idea(s) aside, how does a lone programmer with a few languages at his disposal make awesome software? Do you think with proper research, planning, and design a lone programmer can make awesome software, or do you think it will usually require a couple of partners? How do I learn … |
| | Hi, I'm trying to display a message in the compiler output using VS2010. In C/C++ we can use:[icode] #pragma message(">> Win32 <<") [/icode], but for C# I'm not really sure what options are available.  |
| | Not sure where to post this, hopefully here. Basically if I make an application that does some stuff in the background, how does an antivirus know it isn't a trojan horse or something? Will my application be flagged as a virus, or is it generally safe to assume it won't … |
| | Anyone know of a generic guide for using third party C++ libraries, specifically with Visual Studio 2010? I'm thinking "winging it" isn't cutting it, I want a resource to learn more about how these things are usually prepared, and used. I swear I saw a mention of a library system …  |
| | The worst thing about C++ in my opinion is trying to use a library (with VS2010 at least). It always causes me great pain, and usually I am not met with success. So, I'm trying to use the Magick++ library, which is a part of the ImageMagick program, and I … |
| | Sooo... Every DLL injection result I've read so far only uses a pre-made DLL, loads it into another process and says "darn I'm good." They do absolutely NOTHING useful and a couple of them are rip-offs of one another only using a different programming language. Google has failed me! Once … |
| | I'm trying to draw a "selection box" with a Graphics created with an HDC to the PrimaryScreen, but it doesn't appear to update properly, as in when I draw something it tends to stay there. Am I doing something wrong, or is there something I'm not aware of? [disregard] Actually … |
| | Is there a decent IDE for Java? Meaning, one that you don't think will end up making me rage and have annoying features that get in the way all the time making it unsuitable for development? What is the best IDE performance wise?  |
| | Hey I'm making a small application for my gaming buddies, and I have a picturebox that I'm drawing on. The problem is, it appears as though the Location property of the MouseEventArgs is wrong, and it becomes even more so toward the bottom + right portion of the picture, like … |
| | I have a C++/CLI form, and a native class in separate files. I include the header file of the native class at the top of the Form.h This causes the compiler to try to compile the constructor of the Form as a native function and spits out 100+ errors and …  |
| | Hello, I'm hoping you can help me make a smart decision. I have some code written in native C++, a full program actually--and I need to use it with C#. The application is, at the moment, very basic. It has a console user interface, and settings need to be changed … |
| | I've found that often in my code I have a need for primitive variables protected with synchronization objects such as a boost::mutex, and I was wondering if the boost library provides a template similar to this one I'm considering, based on the C# property methods get/set: [code] template<typename var_type> class … |
| | What would be a common strategy for using DLLs coded in native C++ in C#? I'm not really finding much good information about it, other than writing the DLL in C. |
| | I'm just wondering how programmers rate their own skills, for instance I haven't been using C# very long, but I do feel I have a good grasp on the language. If I see on a job listing: "* 3+ years C# or Visual Basic.NET " What the heck is 3+ …  |
| | I have a DataGridView on a form that updates the datagridview automatically and will allow the user to manually edit the information. I need to save the information in the DataGridView somehow. I don't know what the best option would be. I could of course use a file to store … |
| | First of all, what is a "data source", the kind that can be attached to a "DataGridView", what are they used for, and how can I use one? |
| | I only know a little bit about the Global Assembly Cache. After creating a WPF application, in the toolbox, if you right click and select "Choose Items", it will open a window in which you can specify controls you want to use that are in the GAC. Is it safe …  |
| | What is the meaning of "immutable" when relating to an Int32 ? Int32 i = 0; i++; //etc |
| | What happens when an exception is thrown from within a new thread of execution? How do I catch it? Must it be within the same thread? Also, what is the proper way to update a control residing on a form, from within a new thread? I think it would be … |
| | [url]http://www.boost.org/doc/libs/1_46_0/libs/smart_ptr/shared_ptr.htm#ThreadSafety[/url] This section somewhat confused me, in my code I have a matrix of shared_ptr's pointing to an entirely thread-safe class. But the shared_ptr documentation says it is only as thread-safe as the built-in C++ types. Does this mean that if I read/write to my thread-safe class using shared_ptr's at … |
| | Is there a way to define a property with default get/set functionality for a variable? |
| | How are iterators used in C# ? suppose I have say: [code] List<int> someList = new List<int>(); /* assume some items are added here */ /* and now I wonder if C++ style iterators are available? */ for( var i = /* iterator begin of list */ ; i != …  |
| | C++/CLI @ runtime add a PictureBox to a tab control, I need to do this at run-time because they're to represent some data the user must be able to manipulate. I actually need them to be in some kind of scrollable panel on the tabcontrol. Any ideas? |
| | Hello, I thought I was doing things right when I created a delegate to call a function to access the container's data, but it still throws an exception. I have something similar to: [code] public ref class myform : public System::Windows::Forms::Form { private: System::Windows::Forms::ComboBox^ form_combobox; private: delegate String^ getItemDel();//<-- delegate … |
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