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  • Validating result of JsonConvert.DeserializeObject (think "try parse") using JSON.Net

    - by Riri
    I have incoming messages that I need to try and parse in my own objects structure. SOme of these are well formed JSON obejcts and some are just nonsense. I use JsonConvert.DeserializeObject<MyObject>(incmoingString); to do this. This however sometimes gives me a exception when the incoming is total garbage. Other times I get a non-complete object structure when the incoming string is kind of OK - and finally it sometimes work. I've wrapped the conversion in a try/catch and than manually validate that I've gotten the properties I need to the deserialized result. Is there a better way to do this?

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  • Catch f5 in Silverlight?

    - by JD
    Hi to all I have an app that uses the navigation controls. What I would like is for my app to stay on the page it is showing rather than reload the whole application when f5 (refresh) is pressed? Is this at all possible? JD.

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  • How do I use try...catch to catch floating point errors?

    - by Peter Stewart
    I'm using c++ in visual studio express to generate random expression trees for use in a genetic algorithm type of program. Because they are random, the trees often generate: divide by zero, overflow, underflow as well as returning "inf" and other strings. I can write handlers for the strings, but the literature left me baffled about the others. If I understand it correctly, I have to set some flags first? Advice and/or a pointer to some literature would be appreciated.

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  • Visual Studio ignore try catch - debug only

    - by Praesagus
    I think error handling is a good idea. :) When debugging it can get in the way - especially with nice user friendly messages. In VB6 I could just check a box for the compiler to ignore my error handling. I found the dialog that allows me to do something similar in VS, but it's about 10,000 check boxes instead of one - which is too many to change every time I want a production compilation. Is there a way to set VS up so when I am in debugging mode I get one set of conditions and when I am in production I get another? ...or is there just another method to handling errors and debugging more efficiently? Thanks

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  • Rows dropping when I try to join data from two tables

    - by blcArmadillo
    I have a fairly simple query I'm try to write. If I run the following query: SELECT parts.id, parts.type_id FROM parts WHERE parts.type_id=1 OR parts.type_id=2 OR parts.type_id=4 ORDER BY parts.type_id; I get all the rows I expect to be returned. Now when I try to grab the parent_unit from another table with the following query six rows suddenly drop out of the result: SELECT parts.id, parts.type_id, sp.parent_unit FROM parts, serialized_parts sp WHERE (parts.type_id=1 OR parts.type_id=2 OR parts.type_id=4) AND sp.parts_id = parts.id ORDER BY parts.type_id In the past I've never really dealt with ORs in my queries so maybe I'm just doing it wrong. That said I'm guessing it's just a simple mistake. Let me know if you need sample data and I'll post some. Thanks.

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  • Catch Exception in Application Startup (VS.Net)

    - by clawson
    I'm getting a System.NullReferenceException when my application starts up (after a small login screen) which doesn't crash the entire app but prevents it from loading correctly. How can I get the VS.Net debugger to stop at the error so I can fix it? The output I'm getting in the Immediate Window is: A first chance exception of type 'System.NullReferenceException' occurred in GrelisCrampApp.exe

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  • How to catch prompts with PySVN?

    - by Geoff
    I'm new to Python and PySVN in general, and I'm trying to export my SVN repository using pysvn. Here's my code: #set up svn login data def svn_credentials (realm, username, may_save): return True, svn_login_name, svn_login_password, False #establish connection svn_client = pysvn.Client () svn_client.callback_get_login = svn_credentials #export data svn_client.export('server-path-goes-here', 'client-path-goes-here', force=True Which works fine, but if the password is wrong or the user name is unknown, this code just sits. I believe it's being presented with a user login prompt on the SVN side, but I'm at a loss as to how to check whats happening with callback_get_login. Any help would be greatly appreciated.

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  • Disable apache catch-all subdomain

    - by Lukas F
    Hi, I have a problem with my apache2 configuration and I hope someone here can help me. There is one server with one IP and a few domains. http://123.123.123.123 should have /var/www/123.123.123.123 as DocumentRoot http://www.domain1.com should have /var/www/domain1.com as DocumentRoot http://blog.domain1.com should have /var/www/blog.domain1.com as DocumentRoot http://www.domain2.com should have /var/www/domain2.com as DocumentRoot and http://bullshit.domain1.com along with all other non-existing subdomains on both domains should return a 404 page. What am I doing wrong? That can't be so hard, and I'm sure I had it working before... In my current config all subdomains show the /var/www/123.123.123.123. I guess because thats the first VirtualHost apache is reading.

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  • How to catch HttpRequestValidationException in production

    - by bruno
    Hello all, I have this piece of code to handle the HttpRequestValidationException in my global.asax.cs file. protected void Application_Error(object sender, EventArgs e) { var context = HttpContext.Current; var exception = context.Server.GetLastError(); if (exception is HttpRequestValidationException) { Response.Clear(); Response.StatusCode = 200; Response.Write(@"<html><head></head><body>hello</body></html>"); Response.End(); return; } } If I debug my webapplication, it works perfect. But when i put it on our production-server, the server ignores it and generate the "a potentially dangerous request.form value was detected from the client" - error page. I don't know what happens exactly... If anybody knows what the problem is, or what i do wrong..? Also I don't want to set the validaterequest on false in the web.config. The server uses IIS7.5, And I'm using asp.net 3.5. Thanks, Bruno

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  • get SSL Broken pipe error when try to make push notification

    - by emagic
    We develop an iPhone app, and have push notification for development and ad hoc version working properly. But when we try to send push notification to real user devices in our database, we got SSL connection reset, then Broken pipe error. We think maybe there are too many devices in our database (more than 70000), so it is failed to send all messages at the same time. So we try to send messages to 1000 devices once, but still got this "Broken pipe" error for around 100 messages. And we are not sure whether the messages have been send. Any suggestion?

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  • How to catch HttpAntiForgeryException in ASP.NET MVC

    - by megalonychidae
    I'm using the AntiForgeryToken in my ASP.NET MVC forms. If I deactivate cookies in my browser and send the from, I'd get following error message: A required anti-forgery token was not supplied or was invalid. How can I prevent this message from showing? I would prefer redirecting the user to another page. I've activated customErrors and included this HandleError in my controller: [HandleError(ExceptionType=typeof(HttpAntiForgeryException), View="Index")] public class MyController : Controller { ... } The HandleError is ignored. Has anyone got a solution?

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  • how to detect sql server timeout from .NET application without using catch Exception

    - by haditeo
    Hi, In my current application, i am performing an update by invoking T-SQL Update command. The problem is when the same record is locked by other users at that time. At .NET application, the application will wait until SQL Server timeout, then it will throw the SqlException timeout. Is it possible to perform a check first whether a particular record is locked by other process rather than catching the exception ? Thanks, hadi teo Update : The SQL Server version used are 2000 and 2008

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  • Subprocess fails to catch the standard output

    - by user343934
    I am trying to generate tree with fasta file input and Alignment with MuscleCommandline import sys,os, subprocess from Bio import AlignIO from Bio.Align.Applications import MuscleCommandline cline = MuscleCommandline(input="c:\Python26\opuntia.fasta") child= subprocess.Popen(str(cline), stdout = subprocess.PIPE, stderr=subprocess.PIPE, shell=(sys.platform!="win32")) align=AlignIO.read(child.stdout,"fasta") outfile=open('c:\Python26\opuntia.phy','w') AlignIO.write([align],outfile,'phylip') outfile.close() I always encounter with these problems Traceback (most recent call last): File "<string>", line 244, in run_nodebug File "C:\Python26\muscleIO.py", line 11, in <module> align=AlignIO.read(child.stdout,"fasta") File "C:\Python26\Lib\site-packages\Bio\AlignIO\__init__.py", line 423, in read raise ValueError("No records found in handle") ValueError: No records found in handle

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  • How catch "Resource not found" warnings in WPF / Visual studio

    - by Sdry
    I am working on a project, in which I am changing themes, by doing this there are some warnings being issued, and I am wondering how to prevent them from beeing issued, or reaching the debug output. `System.Windows.ResourceDictionary Warning: 9 : Resource not found`; It happens when I do Application.Current.Resources.MergedDictionaries.Clear(); Application.Current.Resources.MergedDictionaries.Add(theme.ResourceDictionary); I perfectly understand why there is a warning, I would just like to stop it being outputted (while debugging)

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  • ASP.NET MVC Catch All

    - by rkrauter
    The ignore route is defined like this: routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); Why not routes.IgnoreRoute("{resource}.axd/{*}"); What is the significance of pathInfo? Thanks.

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  • Catch $.getJSON error

    - by Switz
    I've been trying to figure this out for hours. I have a DYNAMIC youtube search, which I use Youtube's JSON api for. It works usually, but there are times that it won't find anything. Is there a way to figure out if it finds nothing, and then end the function because otherwise it stops the entire code. I tried jsonp, but that didn't seem to be correct. Somewhere I read that error catching is built into the newest jQuery getJSON, but I couldn't find it. The code is really tedious so I'd rather not post it unless it comes to that. I'd appreciate any help! Thanks guys. error showing that json didn't return anything jquery-1.4.4.min.js:32 TypeError: Result of expression 'j' [undefined] is not an object.

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  • Generic transparent Qt widget that can catch clicks?

    - by Pieter
    I've figured out how to use QPainter to draw rectangles. Now I want to have a drawing area where if the user clicks, a 1x1 rectangle is drawn where the mouse pointer is. To accomplish this, I assume I need a transparent Qt widget that supports the clicked() signal. How do I make such a transparent widget? Or is there something else I can use? Perhaps I can only use the window's clicked() signal?

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  • Flex Catch Keydown

    - by Antilogic
    I want to handle the keydown event globally in my application and as such have added the event handler to the top most DisplayObject in the display list. However, the event doesn't seem to fire unless the cursor focus is on a Textbox or Datagrid or the like. How can I have key presses handled globaly by the application?

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  • jQuery catch paste input

    - by Christoffer Winterkvist
    I'm looking for a way to sanitize input that I paste into the browser, is this possible to do with jQuery? I've managed to come up with this so far: $(this).live(pasteEventName, function(e) { // this is where i would like to sanitize my input return false; } Unfortunately my development has come to a screeching hold because of this "minor" issue. I would really make me a happy camper if someone could point me to the right direction. Thanks in advance.

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  • How to catch this type of exceptions ?

    - by Lukas Šalkauskas
    I'm starting getting tired of this exception. Can't handle it, even so I'm using this: AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException); Still no success, Can anyone explain me, how I should handle it in a nice way. Or how to detect that it have fired this message and close the application, because I'm starting it automatically everytime it closes.

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  • php - regex - catch string inside multiple tags

    - by aSeptik
    Hi all guys! still on regex! ;-))) Assuming we have an html file with a lot of <tr> rows with same structure like this below, where (.*?) is the content i need to extract! <tr align= # ><th width= # ><a OnClick="(.*?)"href= # >(.*?)</a><td width= # >(.*?)<td width= # align= # >(.*?)</td></tr> maybe with a nice preg_match_all() ? thanks for the time! Luca Filosofi!

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  • How to catch YouTube embed code and turn into URL

    - by Jonathan Vanasco
    I need to strip YouTube embed codes down to their URL only. This is the exact opposite of all but one question on StackOverflow. Most people want to turn the URL into an embed code. This question addresses the usage patttern I want, but is tied to a specific embed code's regex ( Strip YouTube Embed Code Down to URL Only ) I'm not familiar with how YouTube has offered embeds over the years - or how the sizes differ. According to their current site, there are 2 possible embed templates and a variety of options. If that's it, I can handle a regex myself -- but I was hoping someone had more knowledge they could share, so I could write a proper regex pattern that matches them all and not run into endless edge-cases. The full use case scenario : user enters content in web based wysiwig editor backend cleans out youtube & other embed codes; reformats approved embeds into an internal format as the text is all converted to markdown. on display, appropriate current template/code display for youtube or other 3rd party site is generated At a previous company, our tech-team devised a plan where YouTube videos were embedded by listing the URL only. That worked great , but it was in a CMS where everyone was trained. I'm trying to create a similar storage, but for user-generated-content.

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