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| | Total Hits: 223 | Today: 0 | Author: CodeSmithDotNet | Rating:  |
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Normally, in Windows operating system we can ping a machine using Ping command in the command window. What we need to do is just provide the IP of the target machine we want to ping. Ping command returns the response which tells us that the other machine is active on the network and available. This same kind of functionality need to be achieved via programming. In this article I'll show you the code snippet which can help you ping a system in C# or Visual Basic.Net.... |
| | Total Hits: 201 | Today: 0 | Author: Hitesh Sharma | Rating: |
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In this article, I will discuss the working of a simple network sniffer which can parse IP, TCP, UDP, and DNS packets.... |
| | Total Hits: 217 | Today: 0 | Author: AzamSharp | Rating: |
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Every application has to inform the user about certain actions. Most of the applications accomplish this by simply displaying the message on the label control. Usually when taking this approach we find our self repeating a lot of code. In this article we will see that how we can make a simple class that is responsible for displaying the messages to the user. We will make a simple application that will allow only zip files to upload. In this article we are not going to perform the actual upload. ... |
| | Total Hits: 249 | Today: 0 | Author: Anthony Roach | Rating: |
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This project presents a stopwatch application that was developed due to my taking a mathematics university course and because it's been a long time since I did any maths academically I thought I'd better start getting some practice in. This meant taking timed tests and not having a decent way of timing the tests I thought I'd better write one, and due to being a programmer a simple time telling device was not enough, it had to look reasonable and get my attention when I was concentrating on some... |
| | Total Hits: 92 | Today: 0 | Author: davids5759 | Rating: |
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I was recently assigned a task where I wanted to use some of the functionality built into the Microsoft .NET framework with an existing MFC file viewer application. More specifically, I wanted to utilize the FileSystemWatcher class to notify the MFC Viewer app when a new file was created so it could display it automatically. Since MFC could not directly access this service, I had two options: (1). Implement my own FileSystemWatcher class in unmanaged Visual C++ (2). Provide some kind of hosting ... |
| | Total Hits: 68 | Today: 0 | Author: Aaron Skonnard | Rating: |
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Microsoft .NET introduces a new suite of XML APIs built on industry standards such as DOM, XPath, XSD, and XSLT. The .NET Framework XML classes also include innovations that offer convenience, better performance, and a more familiar programming model, tightly coupled with the new .NET data access APIs—ADO .NET. XmlWriter, XmlReader, and XmlNavigator classes and classes that derive from them, including XMLTextReader and XMLTextWriter, encapsulate a number of functionalities that previously had to... |
| | Total Hits: 45 | Today: 0 | Author: Ianier Munoz | Rating: |
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Zip compression lets you save space and network bandwidth when storing files or sending them over the wire. In addition, you don't lose the directory structure of folders you Zip, which makes it a pretty useful compression scheme. The C# language doesn't have any classes that let you manipulate Zip files, but since .NET-targeted languages can share class implementations, and J# exposes classes in the java.util.zip namespace, you can get to those classes in your C# code. This article explains how... |
| | Total Hits: 68 | Today: 0 | Author: Mark Seemann | Rating: |
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Many applications today have complex user interface requirements with many different screens and complex logic dictating their interaction. Most developers know that they should design their apps in layers, but my experience has shown me that in reality it is much more difficult than anticipated to isolate the user interface from the rest of the application.... |
| | Total Hits: 190 | Today: 0 | Author: Member 3262401 | Rating: |
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c++ program to solve sudoku........... |
| | Total Hits: 130 | Today: 0 | Author: Peter Bromberg | Rating: |
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I've covered the asynchronous Fire and Forget pattern several times here and now I want to show a final usage pattern.
Most blogging APIs include the RPC Ping API to ping various RPC servers that you've updated your content. However, this works for any content, not just blog posts or changes in your RSS feed. So, if you have a forums app on your site, you can use it to ask the servers to revisit for a new forum post. Same with a new article, and so on.
Manyy of these RPC ping servi... |
| | Total Hits: 79 | Today: 0 | Author: Joseph Chahine | Rating: |
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In this article, Joseph explains how important it is to implement Http handlers in web applications to prevent bandwidth leeching.
Unfortunately, a web server is exposed to many attacks targeting its bandwidth leading many times to a denial of service state on the server.
Bandwidth leeching, also called hotlinking, is described by the practice of hosting on a web server, web pages that contain unauthorized content links, known as hotlinks, direct links, or remote links, to files hosted... |
| | Total Hits: 380 | Today: 0 | Author: Scott Guthrie | Rating: |
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In this article, Scott demonstrates how to add authorization rules to business and data layers using PrincipalPermissionAttributes.
Earlier this summer I posted two tutorials on using Windows Authentication with ASP.NET: Enabling Window Authentication within an Intranet ASP.NET Web Application and Implementing Role Based Security within ASP.NET using Windows Authentication and SQL Server. I also linked to Scott Mitchell's great ASP.NET 2.0 Security, Membership and Roles Tutorials that cover ... |
| | Total Hits: 126 | Today: 0 | Author: Deepak Kapoor. | Rating: |
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This article is a sequel to my previous article - Hello Longhorn. In my last article I said that I will write a XAML version of Hello Longhorn. I changed my mind a bit, and decided to write something a bit more interesting. Thus I came with idea of writing the famous Tic-Tac-Toe using XAML and C#. Oh Ya! If you are a Xbox of Playstation developer, I will say that there is no need to panic as I have no plans to take over the gaming industry (at least not with this game :)).
Even though thi... |
| | Total Hits: 121 | Today: 0 | Author: Ariadne. | Rating: |
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The VS2003 implementation of the MSI installer is not as flexible as we developers think...
If you like to (or have to) interact with your user during the installation process you can use the built-in dialog boxes of VS. But these dialog boxes are very limited. If you have to do something special (e.g. tell you user to plug in his USB connector to start the USB plug and play) you have to start a custom action in VS.... |
| | Total Hits: 155 | Today: 0 | Author: maharishi_b. | Rating: |
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I have been using .dan.g.'s ToDoList for a very long time now. It's very easy for me to track things that I have to do and also track the projects on which I am working. But there was always a problem related to the creation of task list. My organization uses Microsoft Project (like many other companies) for tracking projects and the cost of development related to these projects. So, I had to make two tasklists, one for the company and the other for myself. ToDoList is much more simpler when com... |
| | Total Hits: 147 | Today: 0 | Author: S. Akif Kamal. | Rating: |
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It looks as it is very difficult to programmatically find the layouts folder of SPS using IIS object model but i found it very easy and interesting using directoryservices and I am sure you will have the same opinion.... |
| | Total Hits: 178 | Today: 0 | Author: Kevin.Molyneaux. | Rating: |
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Microsoft's ToolTips have a 'feature' that when you click on a tooltip, the tool tip goes away and does not reappear, which is a major problem with the ErrorProvider messages. This posting presents a hacked solution; I am posting this in hopes that it will bring about a better resolution.... |
| | Total Hits: 98 | Today: 0 | Author: Anders Revsgaard. | Rating: |
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No matter how well you design your system a distributed SOA application is always complex. When a SOA application fails, it can be difficult to track down not only the cause of the problem but also the component and web service where the error occurred. Logs from the same error are likely to be positioned on different machines, collocated with the web service and the consumer participating in the transaction. When finding the cause of the problem it is necessary to piece together logs from diffe... |
| | Total Hits: 101 | Today: 0 | Author: Scott Dorman. | Rating: |
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In most modern programming languages, memory is allocated on the heap or the stack. Memory allocated on the stack stores local variables, parameters, return values, and is generally managed by the operating system. Memory allocated on the heap is handled differently by different programming languages. In C and C++, memory must be managed manually, while in C# and Java memory is managed automatically.
Even though manual memory management is easier for the language runtime, it adds complexi... |
| | Total Hits: 178 | Today: 0 | Author: arxbird. | Rating: |
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With the newest AutoCAD 2006, the .NET programmers can use the ObjectARX Managed Wrapper Classes to develop their AutoCAD programs. But there are many inconveniences and bugs in the wrapper classes. For example, you cannot do conditional filtering, and many global functions in C++ is not provided in the wrapper class. To solve the problems, I have developed a tool “DOTNETARX” to help the .NET programmers to write the ObjectARX programs more easily.... |
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