Archive for the ‘.NET 3.5’ Category
Posted by jpluimers on 2014/01/07
Thanks Pedro! (emphasis below is mine)
The ContextSwitchDeadlock doesn’t necessarily mean your code has an issue, just that there is a potential.
If you go to Debug > Exceptions in the menu and expand the “Managed Debugging Assistants”, you will find ContextSwitchDeadlock is enabled.
If you disable this, VS will no longer warn you when items are taking a long time to process.
In some cases you may validly have a long-running operation.
It’s also helpful if you are debugging and have stopped on a line while this is processing – you don’t want it to complain before you’ve had a chance to dig into an issue.
–jeroen
via: c# – Visual Studio: ContextSwitchDeadlock – Stack Overflow.
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Posted by jpluimers on 2014/01/01
For a project, I needed to strip the potential Path.DirectorySeparatorChar and Path.AltDirectorySeparatorChar.
Where Path.Combine will combine two paths and insert the DirectorySeparatorChar, I could not find the opposite, so I wrote this little piece of code:
using System.IO;
namespace BeSharp.IO
{
public class PathHelper
{
public static string RemoveTrailingDirectorySeparators(string directory)
{
string result = directory.TrimEnd(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
return result;
}
}
}
–jeroen
via:
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Posted by jpluimers on 2013/12/26
My mental association with getting LogicalDrives was always the System.IO namespace, so I’ve always used Directory.GetLogicalDrives Method (System.IO) .
Recently I bumped into Environment.GetLogicalDrives Method (System), and discovered it has been available for the same time: since .NET 1.x.
I was not so much amazed that these methods return exactly the same data, but that they have identical code. Not just a single call to some common code: their code is the same, line by line. In .NET 4, they have the code below. Read the rest of this entry »
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Posted by jpluimers on 2013/12/25
StackOverflow user Joe (sorry, no last name) helped me big time by answering my question on Business logic shared by ASP.NET / WinForms: find the location of the assembly to access relative files to it.
Before showing the code at the bottom of this blog post, let me explain the question in more detail:
Basically I was in the midst of refactoring some ‘inherited’ business logic code that – before refactoring – for the ASP.NET side needs to be initialized with an absolute path, but on the WinForms / WPF side only with a relative path to a GetExecutingAssembly directory.
To ease xcopy deployment, I wanted all configuration settings to be relative. But I hadn’t found a common means for these platforms to obtain a directory usable as a root for accessing relative files.
That way I could put identical settings in both the Web.config and App.config, heck even generate them based on a common fragment, whithout having to hard-code absolute path names.
I knew about Assembly.GetExecutingAssembly, but in ASP.NET that location is not where the web site is (both IIS and the WebDevelopment server make use of temporary locations to store the assemblies).
ASP.NET does have Server.MapPath and HostingEnvironment.MapPath, but I didn’t want to make the business logic depend on ASP.NET.
Joe came up with this solution, which works dandy: Read the rest of this entry »
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Posted by jpluimers on 2013/12/22
Cool stuff: DelphiSpec library, inspired by Cucumber. It runs on top of DUnit.
via DelphiSpec Library Announce « Роман.Янковский.me.
A similar one in the .NET realm: SpecFlow – Pragmatic BDD for .NET.
–jeroen
Posted in .NET, .NET 3.5, .NET 4.0, .NET 4.5, C#, C# 3.0, C# 4.0, C# 5.0, Delphi, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Development, Software Development | Leave a Comment »
Posted by jpluimers on 2013/12/18
Thanks StackOverflow user splattne (Stefan Platnner) for explaining the differences between the various parameters you can pass to Server.MapPath, and giving some very clear examples.
You can also use it with HostingEnvironment.MapPath, which has the added benefit that it doesn’t require HttpContext (for more detail on it, see Working With HttpContext.Current).
–jeroen
via:
Posted in .NET, .NET 1.x, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, ASP.NET, Development, Software Development | Leave a Comment »
Posted by jpluimers on 2013/12/17
The Mono.Options single .cs source file seems very well suited for arguments parsing of (especially) console application:
https://github.com/mono/mono/blob/master/mcs/class/Mono.Options/Mono.Options/Options.cs
so it is on my research list, like some other .NET/C# based command line parsing libraries (:
–jeroen
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Posted by jpluimers on 2013/12/10
Some things you have done for ages, are already phrased so nicely, the only thing you can do is quote.
Thanks Dave Coulter:
You can attach the Visual Studio debugger to a process by:
Debug > Attach to Process > Attach Read the rest of this entry »
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Posted by jpluimers on 2013/12/05
From my link archive:
–jeroen
Posted in .NET, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, C#, C# 3.0, C# 4.0, C# 5.0, Development, Software Development | Leave a Comment »
Posted by jpluimers on 2013/11/26
For some remote monitoring, I needed to get information on UNC paths.
Though suggested, you cannot do this using the System.IO.DriveInfo class (not through the constructor, nor through the VB.NET FileSystem way) as that is about drives, not UNC paths. The System.IO.DriveInfo constructor clearly indicates it doesn’t work with UNC paths. And if you still try, this is the error you will get:
System.ArgumentException was unhandled
HResult=-2147024809
Message=Object must be a root directory ("C:\") or a drive letter ("C").
Source=mscorlib
StackTrace:
at System.IO.DriveInfo..ctor(String driveName)
Same for WMI: that only works when the UNC path has already been mapped to a drive letter.
You could do with adding a temporary drive letter but since there is nothing as permanent as a temporary…
P/Invoke
The actual solution is based on calling Windows API functions using P/Invoke. Read the rest of this entry »
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The Wiert Corner - irregular stream of stuff 