connectivity

Tool to monitor network connectivity in Windows

What tool would you recommend to monitor the connectivity status of a machine, this is if a given machine it is able to connect to some web servers over time. It should be able to log the status. There is a long list of freeware at http://ping-monitors.qarchive.org/ ...

Connectivity of Winform Applications/ASP.NET application with SAP databases

How can I fetch data in a Winforms application or ASP.NET form from a SAP database? The .NET framework used is 2.0. , language is C# and SAP version is 7.10. ...

How to share host VPN connection with VM instances in Hyper-V?

I'm running my workstation on Server 2008 and a few servers in Hyper-V VM's on that server. I connect to my corporate LAN using VPN from the main OS (the host) but my VM's aren't seeing the servers in the corporate LAN. Internet and local access to my home network work fine. Each of the VMs has one virtual network adapter. What should ...

Is there a way to programatically decide which WCF session to connect to?

I need to be able to use WCF Session capability in a Silverlight application. Currently Silverlight only supports basicHttp binding, so this is impossible. My thoughts are to create a middle piece with wsHttp caapabilities that will handle the Sessions for me and my sessionless Silverlight app can pass in the SessionID guid. Is this ev...

JavaScript: How to detect that the Internet connection is offline?

How to detect that the Internet connection is offline in JavaScript? ...

Why do I get 401 errors connecting to the Dynamics CRM Metadata service?

I am connecting to CRM with the intention of retrieving a list of picklist values. On my development machine I am working under my own login name and all works fine. On the test server, the code executes under the NETWORK SERVICE account. When it connects to the CRM web service everything is great. When it connects to the metadata servic...

Detecting loss of connection to fix gateway? (QuickFix)

I'm trying to find a good way to detect a loss of connection. My adapter is implemented as a Fix::Application based on one of the examples. It uses a socket initiator to connect to the fix gateway. When I unplug the internet it takes about 30 seconds for the Fix::Application's onLogout method to be fired. It seems like some underlyin...

Feasibility of VPN connection using VB6 and RAS API

We have a modem terminal application written in VB6. It works great for what we need it to do, but there is a new requirement to initiate a VPN connection when dialing a particular provider. I've looked over some related posts and it looks like this may be possible using the RAS API. Can anyone suggest resources/advice for working with t...

website not loading from one location

I have a website hosted at webhost4life.com. It works fine when I load up the website from various locations (home, coffee shop, library, etc). But from my friend's house it will NOT load. It just looks like it's sitting there thinking and the website might load a few images here and there but that's. The full page doesn't load and most ...

How to troubleshoot Oracle database server errors?

My team inherited an Oracle-based web application and they are fairly inexperienced with Oracle database servers. The Oracle 10g server is running on a Windows 2003 Server with plenty of disk space and from time to time, all connectivity is lost, the application stops working, not even SQL Plus is able to connect to the database server....

Cannot connect to SQL Server remotely or locally after reboot

After some network maintenance last weekend, we had some trouble with our development server which led to us restart it. Some updates were installed during the restart, which may or may not have been a factor. Since then, we have been unable to connect to SQL Server 2005, even locally via Management Studio. Depending on the protocol used...

Check if a server is available

Hi, I'm looking for a way to check if a server is still available. We have a offline application that saves data on the server, but if the serverconnection drops (it happens occasionally), we have to save the data to a local database instead of the online database. So we need a continues check to see if the server is still available. W...

Connection manager in windows mobile

I try to use the cell core connection manager with c# in order to force my application to browse through the WAP gateway (using its GUID) although the default connection is internet. I see that the WAP connection opens but then all actual requests go through the internet and I end up with 2 open connections. Any hint? ...

Access my SQL server from home in Server Explorer

On my LAN at work, I have SQL Server 2005 running on one machine and my developer machine (a different machine) has VS2008 on it and I can access the SQL Server from Server Explorer in Visual Studio using the computer name and the local lan domain name i.e.: mspc2.ourcompany.local So, I know it is all up and running well, and I can see ...

Users can't connect remotely to MySQL

Problem Users from other IPs on the (Windows XP) LAN suddenly cannot connect to my local MySQL server. Background I've set up MySQL on my local Windows computer so that other computers on the network have access to the root account. I've added each IP as a host for root. Up to some weeks ago, things worked flawlessly and I could conne...

C++ Database Connectivity?

Hey, I want to know how to connect databases with C++? Any cross-platform solution which supports many databases? I know about SQLAPI++ but its a shareware... so any free one? What solutions do I have if I limit the OSes to Windows only? Thanks ...

Triangular mesh topology

Hi, I've got a triangular mesh class which contains a list of nodes (2d in my case but that shouldn't matter) and a list of faces. Each face is a triangle and it only contains the indices into the node array. The mesh comes out of a Delaunay algorithm so it's very clean. For every node in the mesh I need to find which nodes are connect...

When accessing a database over JDBC/ODBC should you create and close the connection for each request?

If you have a class that services requests from other classes for database data when should you hold onto the databse connection and when should you close it and reopen it on the next request? What if it's a service that responds to connections from external applications? (Web service, Ajax, rpc) Is it a good idea to hold a singleton c...

odd jdbc connection hanging problem : network issues? How to fix?

Hi, One of our customers has a newish problem: the application grinds to halt. Thread dump shows that all threads are hanging on network IO in jdbc calls. We/I have never seen these 'network IO' hangs. Typically a slow machine w/ DB problems has either a) one or two long-running queries or b) some type of lock/deadlock. In either of t...

.net Connectivity to mainframe

Can any one please suggest me the best approach to connect to mainframe from .net. I have to develop an web application, in which i have to follow NIEM standards for data exchange between two end clients. the interface i have to develop will be on .net. i don't have any knowledge on mainframe, i have come across that there are ODBC con...