DotNetSlackers Latest ASP.NET News in Category Debugger

Visual Studio Exceptions dialogs

The Moth — Wed, 02 May 2012 00:00:00 GMT

Previously I covered step 1 of live debugging with start and attach. Once the debugger is attached, you want to go to step 2 of live debugging, which is to break. One way to break under the debugger is to do nothing, and just wait for an exception to occur in your code. This is true for all types of code that you debug in Visual Studio, and let's consider the following piece of C# code:3: static void Main() 4: { 5: try 6: { 7: int i = 0; 8: int r = 5 / i; 9: } 10: catch (System.DivideByZeroException)...

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Start Debugging in Visual Studio

The Moth — Fri, 16 Mar 2012 00:00:00 GMT

Every developer is familiar with hitting F5 and debugging their application, which starts their app with the Visual Studio debugger attached from the start (instead of attaching later). This is one way to achieve step 1 of the Live Debugging process. Hitting F5, F11, Ctrl+F10 and the other ways to start the process under the debugger is covered in this MSDN "How To". The way you configure the debugging experience, before you hit F5, is by selecting the "Project" and then the...

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Start Debugging in Visual Studio

The Moth — Fri, 16 Mar 2012 00:00:00 GMT

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Debugging JavaScript with Chrome

K. Scott Allen — Thu, 15 Mar 2012 00:00:00 GMT

The Chrome Developer Tools are a bit quirky, but for script debugging I currently like them the best. Here is a quick brain dump on some areas of interest (these are all in the stable build 17.0.963.79). The Toolbar Under #1 The leftmost button allows you to dock and undock the tools window from the browser window. The second button opens the Console, which is a helpful JavaScript REPL. You can execute script code in the current debugging context, meaning you can manipulate the DOM, try different...

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Live Debugging

The Moth — Wed, 14 Mar 2012 00:00:00 GMT

Based on my classification of diagnostics, you should know what live debugging is NOT about - at least according to me :-) and in this post I'll share how I think of live debugging. These are the (outer) steps to live debugging Get the debugger in the picture. Control program execution. Inspect state. Iterate between 2 and 3 as necessary. Stop debugging (and potentially start new iteration going back to step 1). Step 1 has two options: start with the debugger attached, or...

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""Re: I have a question about proving code correctness""

Frans Boumas blog — Fri, 20 Jan 2012 00:00:00 GMT

Recently I received an email with the following contents: I recently started working at a startup. I'm learning lots of cool stuff, including unit testing, but as a math major something kinda nagged at me about them. I don't know if I could write a unit test that I really trust all that much. It's better than manually poking my code to be sure, but I felt there might be a better way. Fast forward to an article posted in ycombinator which gave me the knowledge that there are actually people who...

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Best of ""The Moth"" 2011

The Moth — Sat, 31 Dec 2011 00:00:00 GMT

Once again (like in 2004, 2005, 2006, 2007, 2008, 2009, 2010) the time has come to wish you a Happy New Year and to share my favorite posts from the year we just left behind. 1. My first blog entry in January and last one in December were both about my Windows Phone app: Translator by Moth and Translator by Moth v2. In between, I shared a few code snippets for Windows Phone development including a watermark textbox, a scroll helper, an RTL helper and a network connectivity helper - there will...

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Roslyn Syntax Visualizer Tools

Marquee de Sells: Chriss insight outlet — Sun, 04 Dec 2011 00:00:00 GMT

As I do more with Roslyn, I find I want more information about what Im parsing and how its represented in the Roslyn object model. I could, of course, have built myself a little OM dumper for Roslyn, but instead I dug through the samples and found two cool ones built right in, both provided in the Documents\Microsoft Codename Roslyn CTP - October 2011\Shared folder. Both Roslyn visualizer samples show a set of objects from the syntax part of the Roslyn API and the associated properties for the currently...

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Beginner Guide to Page and Script Debugging with Chrome

The Code Project Latest Articles — Mon, 24 Oct 2011 00:00:00 GMT

A beginner introduction to the features of the Chrome Debugger....

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GPU Debugging with VS 11

The Moth — Wed, 21 Sep 2011 00:00:00 GMT

With VS 11 Developer Preview we have invested tremendously in parallel debugging for both CPU (managed and native) and GPU debugging. I'll be doing a whole bunch of blog posts on those topics, and in this post I just wanted to get people started with GPU debugging, i.e. with debugging C++ AMP code. First I invite you to watch 6 minutes of a glimpse of the C++ AMP debugging experience though this video (ffw to minute 51:54, up until minute 59:16). Don't read the rest of this post, just go watch that...

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Debugger Canvas on DevLabs

Somasegars WebLog — Tue, 14 Jun 2011 00:00:00 GMT

Today, we’re releasing Debugger Canvas on DevLabs. Debugger Canvas is a new user experience for stepping through code in the debugger in Visual Studio Ultimate. It displays the code of each of the methods you step into on a canvas with call lines between them, helping you keep track of the bigger picture as well as the details. Debugger Canvas pulls together all the code along a call path into a single display for browsing and even editing. Instead of having to keep all the code in your head...

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How to programmatically launch Debugger in a remote machine

C# Frequently Asked Questions — Mon, 28 Mar 2011 00:00:00 GMT

This blog post explains how to kick off a debugger in a remote machine, programmatically. We are going to use WMI interfaces to achieve this. Use WMI, to start the debuggee process and attach a registered debugger to it using WMI. I have given a sample code below. This Code assumes that we have the ConsoleApplication1 process running in the Machine1(debuggee Machine). On executing this code , the registered Debugger instance will be attached to “ConsoleApplication1” process. If you have...

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How to programmatically launch Debugger in a remote machine

C# Frequently Asked Questions — Mon, 28 Mar 2011 00:00:00 GMT

Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

Writing Windows Debugger - Part 2

The Code Project Latest Articles — Sun, 26 Dec 2010 00:00:00 GMT

Let's enhance our Debugger!...

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Anatomy of a serialization killer

Simple Talk — Sun, 19 Dec 2010 00:00:00 GMT

As I had mentioned last month, I have been working on a project to create an easy-to-use managed debugger. It's still an internal tool that we use at Red Gate as part of product support to analyze application errors on customer's computers, and as such, should be easy to use and not require installation. y...

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ExpandoObject Explained In Tests (Except For One Mystery)

K. Scott Allen — Mon, 08 Nov 2010 00:00:00 GMT

The following tests all pass for .NET 4.0s ExpandoObject. private dynamic expando = new ExpandoObject(); [Test] public void Can_Add_A_Member() { var expected = "Scott"; expando.Name = expected; Assert.AreEqual(expected, expando.Name); } [Test] public void But_Cannot_Reflect_It() { expando.Name = "Scott"; Assert.IsNull(expando.GetType().GetProperty("Name")); } [Test] public void Is_A_Dictionary() { var expected = "Scott"; var dictionary...

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Debugging Tips with Visual Studio 2010

ScottGus Blog — Thu, 19 Aug 2010 00:00:00 GMT

This is the twenty-sixth in a series of blog posts Im doing on the VS 2010 and .NET 4 release. Todays blog post covers some useful debugging tips that you can use with Visual Studio. My friend Scott Cate (who has blogged dozens of great VS tips and tricks here) recently highlighted these to me as good tips that most developers using Visual Studio dont seem to know about (even though most have been in the product for awhile). Hopefully this post will help you discover them if you...

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Debugging Multi-threaded Applications: Some Tidbits

Rico Marianis Performance Tidbits — Fri, 04 Jun 2010 00:00:00 GMT

I was lamenting that we haven't really done terribly much to make multi-threaded debugging easier in say the last decade and I was fortunate enough to be able to have a conversation with Brain Crawford about it. Brian is a long-time friend an colleague, we worked on the VC++ debugger years ago, he's the lead architect for all things debugger these days. Anyway, he gave me this succinct information about VS2010 and was kind enough to allow me to share it with you all. In his own...

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VS 2010 Debugger Improvements (BreakPoints, DataTips, Import/Export)

ScottGus Blog — Wed, 21 Apr 2010 00:00:00 GMT

This is the twenty-first in a series of blog posts Im doing on the VS 2010 and .NET 4 release. Todays blog post covers a few of the nice usability improvements coming with the VS 2010 debugger. The VS 2010 debugger has a ton of great new capabilities. Features like Intellitrace (aka historical debugging), the new parallel/multithreaded debugging capabilities, and dump debuging support typically get a ton of (well deserved) buzz and attention when people talk about the debugging...

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Microsoft Windows HPC Server R2 Beta2

The Moth — Mon, 12 Apr 2010 00:00:00 GMT

Internally and unofficially we refer to this as "HPC Server v3" and its Beta2 became available last week. Read the full story on this blog post from Ryan and this one from Don. There has been a lot of excitement on the web for this release with coverage from last Wednesday here, here, here, here, here and here. Don't forget that Visual Studio 2010 makes it easy to develop for HPC Server including the MPI Cluster Debugger integration that I explained here and here. Comments about this...

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