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• How to find out who's causing an access violation error?

  - by Fernando

  I'm getting reports that my app is causing a GPF on some Vista machines. The error message is something like this: access violation at 0x75784062 ( tried to write to 0x00000006) In order to fix this, I first need to know exactly who is causing this GPF: my main exe, some third party component, one of my own activex components, a dll, etc... How can I find this out? What tools can pinpoint the exact module that caused this mess? Any help would be greatly appreciated. PS My app is coded in VB6 and my activex controls are written in Delphi 2007.

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• Reverting CoreData data

  - by ndg

  I have an NSTableView which is populated via a CoreData-backed NSArrayController. Users are able to edit any field they choose within the NSTableView. When they select the rows that they have modified and press a button, the data is sent to a third-party webservice. Provided the webservice accepts the updated values, I want to commit those values to my persistent store. If, however, the webservice returns an error (or simply fails to return), I want the edited fields to revert to their original values. To complicate matters, I have a number of other editable controls, backed by CoreData, which do not need to resort to this behaviour. I believe the solution to this problem revolves around the creation of a secondary Managed Object context, which I would use only for values edited within that particularly NSTableView. But I'm confused as to how the two MOC would interact with each other. What's the best solution to this problem?

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• Query to return internal details about stored function in SQL Server database

  - by Anthony

  I have been given access to a SQL Server database that is currently used by 3rd party app. As such, I don't have any documentation on how that application stores the data or how it retrieves it. I can figure a few things out based on the names of various tables and the parameters that the user-defined functions takes and returns, but I'm still getting errors at every other turn. I was thinking that it would be really helpful if I could see what the stored functions were doing with the parameters given to return the output. Right now all I've been able to figure out is how to query for the input parameters and the output columns. Is there any built-in information_schema table that will expose what the function is doing between input and output?

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• returning a memoryStream as a string

  - by WeNeedAnswers

  What is wrong with this statement? return new ASCIIEncoding().GetString(memoryStream.ToArray()); I know about the Dispose pattern, have checked out the underlying memoryStream and seen that there is nothing really happening in the dispose. So why shouldn't I allow one of my developers to do this. The aim is to make the code succinct and not create references that are not required, Hopefully getting the Garbage Collector to kick in soon as. Its just niggling me, I feel that the memoryStream lets the party down, when compared to what the other streams do and why they implement the IDispose. Can someone please give me a good reason not to allow the code above. I got a gut feeing about the code not being right but need some back up. :)

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• Safari extension cookies not recognized/passed

  - by Alex

  I've recently been porting a Chrome extension to Safari, and encountered this kind of error (bug, feature, etc.) So, in global page i have a XMLHTTP request to a secure page which is available only after you login. Example: I simply login using browser - as usually you do on facebook or other secure pages After that, in global page, I load a login-only-available xmlhttp - and it says i'm not logged in it seems that global page somewhat has it's own cookies, so a secure page thinks i'm new ps: in Chrome i can load that page and it thinks i'm acting on behalf of logged in user, so i guess there are some restrictions in Safari pps: i heard there's a Block third-party cookies option in Safari, but even if i checked it to "Never block" it still doesn't work

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• SQLAlchemy automatically converts str to unicode on commit

  - by Victor Stanciu

  Hello, When inserting an object into a database with SQLAlchemy, all it's properties that correspond to String() columns are automatically transformed from <type 'str'> to <type 'unicode'>. Is there a way to prevent this behavior? Here is the code: from sqlalchemy import create_engine, Table, Column, Integer, String, MetaData from sqlalchemy.orm import mapper, sessionmaker engine = create_engine('sqlite:///:memory:', echo=False) metadata = MetaData() table = Table('projects', metadata, Column('id', Integer, primary_key=True), Column('name', String(50)) ) class Project(object): def __init__(self, name): self.name = name mapper(Project, table) metadata.create_all(engine) session = sessionmaker(bind=engine)() project = Project("Lorem ipsum") print(type(project.name)) session.add(project) session.commit() print(type(project.name)) And here is the output: <type 'str'> <type 'unicode'> I know I should probably just work with unicode, but this would involve digging through some third-party code and I don't have the Python skills for that yet :)

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• Ok to use VirtualProtect to change resource in Delphi?

  - by user257188

  I'm working on a simple localization effort in D2010. I'm handling all strings on forms because ETM seems like overkill for my needs, as did other 3rd party tools... (although I'm not so sure at this point!) Is the code below for changing the Const.pas strings considered safe to change the button labels on standard message boxes? procedure HookResourceString(rs: PResStringRec; newStr: PChar); var oldprotect: DWORD; begin VirtualProtect(rs, SizeOf(rs^), PAGE_EXECUTE_READWRITE, @oldProtect); rs^.Identifier := Integer(newStr); VirtualProtect(rs, SizeOf(rs^), oldProtect, @oldProtect); end; const NewOK: PChar = 'New Ok'; NewCancel: PChar = 'New Cancel'; Procedure TForm.FormCreate; begin HookResourceString(@SMsgDlgOK, NewOK); HookResourceString(@SMsgDlgCancel, NewCancel); end;

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• Write directly to a remote Git repository, without adding objects to a local index/repo?

  - by Ryan B. Lynch

  Does Git support any commands that would allow me to commit directly from a local/working tree into a remote repository? The normal workflow requires a "git add", at least, to populate the object database with copies of the file contents, etc. I understand that this is NOT the normal, expected Git workflow. But I noticed that Git already supports downloading directly from the repository, with no local repo ("git archive"), so it seems reasonable that there might be a similar uploading operation. Alternatively, if there isn't such a command in the core Git itself, does any 3rd-party software support direct remote writes?

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• C#, UTF-8 and encoding characters

  - by AspNyc

  This is a shot-in-the-dark, and I apologize in advance if this question sounds like the ramblings of a madman. As part of an integration with a third party, I need to UTF8-encode some string info using C# so I can send it to the target server via multipart form. The problem is that they are rejecting some of my submissions, probably because I'm not encoding their contents correctly. Right now, I'm trying to figure out how a dash or hyphen -- I can't tell which it is just by looking at it -- is received or interpreted by the target server as ?~@~S (yes, that's a 5-character string and is not your browser glitching out). And unfortunately I don't have a thorough enough understanding of Encoding.UTF8.GetBytes() to know how to use the byte array to begin identifying where the problem might lie. If anybody can provide any tips or advice, I would greatly appreciate it. So far my only friend has been MSDN, and not much of one at that.

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• How do I wrap a selection with an HTML tag in Visual Studio?

  - by dansays

  This seems like the most basic question in the world, but damned if I can find an answer. Is there a keyboard shortcut, either native to Visual Studio or through Code Rush or other third-party plug-in, to wrap the current selection with an HTML tag? I'm tired of typing the opening tag, cutting the misplaced closing tag to the clipboard, moving the cursor, and pasting it at the end where it belongs. Update: This is how TextMate handles surrounding a selection with a tag. Frankly, I'm stunned that Visual Studio doesn't seem to have a similar feature. Creating a macro or snippet for every conceivable tag I might want to use seems absurd.

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• "Initializing - Busy - Stopping" LOOP issue in Azure deployement

  - by Kushal Waikar

  Hi folks, I am trying to deploy an azure cloud application on Windows Azure. Application specifications are -- It has one WebRole - ASP.Net MVC Application (ASP.Net charting control is used in this MVC application) It does not contain any worker role. Third party references are set with property "copy Local" to "true"(MVC,ASP Charting control & ASP Provider DLLs) There is no DiagnosticsConnectionString in service configuration file It uses ASP provider for session state management. This application runs successfully on local dev fabric but when I try to deploy it on Windows Azure it gets stuck in a loop with status being changed between Initializing, Busy, Stopping states. It never goes into READY state. It seems that there are no ERROR logs for conveying the deployment issues to user. So is there any way to diagnose deployment issues ? Is there any way to get deployment ERROR logs ? Any kind of help will be appreciated. Thanks, Kushal

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• Ant: foreach loop

  - by user305801

  I'm trying to use the foreach loop in an Ant script but I get the message: Problem: failed to create task or type foreach Cause: The name is undefined. I don't understand why this doesn't work. It is not a 3rd party library. It is a standard task that would be part of the latest version of Ant (1.8). <target name="parse"> <echo message="The first five letters of the alphabet are:"/> <foreach param="instance" list="a,b,c,d,e"> </foreach> </target>

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• Can I mix static and shared-object libraries when linking?

  - by SiegeX

  I have a C project that produces ten executables, all of which I would like to be statically linked. The problem I am facing is that one of these executables uses a 3rd-party library of which only the shared-object version is available. If I pass the -static flag to gcc, ld will error saying it can't find the library in question (I presume it's looking for the .a version) and the executable will not be built. Ideally, I would like to be able to tell 'ld' to statically link as much as it can and fail over to the shared object library if a static library cannot be found. In the interium I tried something like gcc -static -lib1 -lib2 -shared -lib3rdparty foo.c -o foo.exe in hopes that 'ld' would statically link in lib1 and lib2 but only have a run-time dependence on lib3rdparty. Unfortunatly, this did not work as I intended; instead the -shared flag overwrote the -static flag and everything was compiled as shared-objects. Is statically linking an all-or-nothing deal, or is there some way I can mix and match?

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• Can I use "Online Backup" to backup my DVS instead of pushing to an external repo?

  - by Matt Brailsford

  Hi Guys, I'm currently signed up with a third party service that hosts my mercurial repositories as a central hub to push my changes to as a sort of backup. Now, I'm looking at a system to backup my laptop and am concidering Mozy. I'm a loan developer, and work on a laptop and am usualy connected to my internet via wifi with my laptop only really being on when I'm working, so feel something like Mozy is my best option. My question is, if I'm the only developer, could I get away with just using local mercurial repos and using Mozy to backup everything up? Rather than pushing to an external repo? Many thanks Matt

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• how to search files of particular extension in the entire device ?

  - by KayKay

  In my application, i am trying to find all files of particular extension (like .pdf, .txt, etc) that are stored in the whole device (not only in Home Directory) and want to list them in table View. Is it possible to do so and if it is then can i associate file of specific extension to get it open in supporting application (any third party plug-ins).I went through numerous documentation but couldn't find the solution. Also how can i index files of these extension for fast search. Any help is appreciated. Thanks.

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• ASP.net Literal or Page altering HTML string, causing formatting issues

  - by Jon

  We have a service that generates a report (using word templates and a 3rd party library), and then returns a string in HTML. While this HTML isn't great - its formatted correctly in this string. We want this HTML to show up on a page - format intact. What we currently have done is set an ASP.net Literal's text element to this string. While this works, I have noticed that it has reformatted the HTML string slightly. For the most part, it looks like it generated a bunch of new CSS classes, and a new style element in the HTML. This HTML does not exist in the string thats being returned. I could filter all of this back out, but wonder if there is a better way. I assume that the Page itself is altering something. What is the best way to display this raw HTML back to the user? I can't directly use a Response.Write(string), because this page does have a few other controls on it.

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• What is the "official" place for community support for the Mere Mortals .NET framework?

  - by Ryan Hayes

  My team is using the Mere Mortals .NET framework from Oak Leaf. Being used to working with primarily open source software, I found it excruciatingly painful to find ANY community support for MM.NET. When I asked if there was any, the only place I was given to look for support was Universal Thread, which is a site which requires a membership for search and archived questions. It seems like a third party, pay-for site should not be the primary source of support for anything like this, especially MM.NET which costs $700 per developer. It doesn' to me like an entire community around MM.NET would choose to all pay on top of the license just to use a forum. If not Universal Thread, then what is the "official" place to find support for the Mere Mortals .NET framework?

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• Question about rights for svn

  - by diadiora

  I have a web application written in asp.net mvc. I have in MyApp.Web assembly the list of views and and the content files(images, scripts, css, and so on). In MyApp.WebBase I have the rest of fonctionality(Controllers, domain(entities, repositories, services)). Now the question is the following: I want to give to third party html coder access only to MyApp.Web source code in order he to be able to compile the application locally and see the results. By other hand the developer team shoul have access to full source code. The problem is that in order the html coder to be able to compile the application locally he need in his project the references to the MyApp.WebBase.dll Can anyone help me? Thanks.

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• What's the official Microsoft way to track counts of dynamic controls to be reconstructed upon Postback?

  - by John K

  When creating dynamic controls based on a data source of arbitrary and changing size, what is the official way to track exactly how many controls need to be rebuilt into the page's control collection after a Postback operation (i.e. on the server side during the ASP.NET page event lifecycle) specifically the point at which dynamic controls are supposed to be rebuilt? Where is the arity stored for retrieval and reconstruction usage? By "official" I mean the Microsoft way of doing it. There exist hacks like Session storage, etc but I want to know the bonafide or at least Microsoft-recommended way. I've been unable to find a documentation page stating this information. Usually code samples work with a set of dynamic controls of known numbers. It's as if doing otherwise would be tougher. Update: I'm not inquiring about user controls or static expression of declarative controls, but instead about dynamically injecting controls completely from code-behind, whether they be mine, 3rd-party or built-in ASP.NET controls.

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• iframe form not submitting in IE7

  - by Lauren

  For some reason I can submit the form data on this Review and Submit page here in Chrome and FF but not IE7: https://checkout.netsuite.com/s.nl?c=659197&n=1&sc=4&category=confirm Email:[email protected] Pass:test03 Click on "here" where it says "Your Third Party Shipper Numbers (To enter one, click here.)" I removed my javascript that automatically refreshes the page to make sure that wasn't refreshing before anything was submitted somehow. Could the difference in IE7 have to do with the fact that the domain of the form (forms.netsuite.com) is different than the domain of the parent page(checkout.netsuite.com) and it's being submitted over HTTPS?

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• cross-user C# mutex

  - by Martin

  My app is forced to use a 3rd party module which will blue-screen Windows if two instances are started at the same time on the same machine. To work around the issue, my C# app has a mutex: static Mutex mutex = new Mutex(true, "{MyApp_b9d19f99-b83e-4755-9b11-d204dbd6d096}"); And I check if it's present - and if so I show an error message and close the app: bool IsAnotherInstanceRunning() { if (mutex.WaitOne(TimeSpan.Zero, true)) return (true); else return (false); } The problem is if two users can log in and open the application at the same time, and IsAnotherInstanceRunning() will return false. How do I get around this?

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• Simple ADO.NET C# Stored Procedure Generator

  - by Ron

  I am using Visual Studio 2005, Sql Server 2005, C#, ADO.NET. We have a very large database and routinely adding new stored procedures. I am tired of writing the C# wrapper code for these stored procedures, seems like there should be some simple utility or Add In that would allow me to simply point to a stored procedure and generate some generic C# code. I am not looking for some big ORM or data access layer framework. The company I am doing this for is not interested in moving to something like that right now. Just wanting something to take the grunt work out of writing the C# wrappers around stored procedures. Again, prefer that we do not have to include in other 3rd party libraries, etc. Any ideas?

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• 'script/console test' with spork and rspec not loading the whole environment?

  - by TheDeeno

  I'm trying to load up console to interact with some of my rspec mocking helpers. I expected that running script/console test would load an env similar to when I run spec. However, this doesn't appear to be the case. It looks like spec_helper is never loaded. Or, if it is, it's not actually running through the logic because spork has polluted it a bit. In short, is there a quick and easy way to get an interactive rspec party going?

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• How can I launch a missile?

  - by doug.stanhope

  I am working on an open-source missile launcher application. I have added a big red button to a Form that says "Launch Missile". When I click the button, the event handler gets called. From the event handler I call a method named LaunchMissile(). So far so good, but how do you launch a missile from C# code? Will I have to write this code myself or is there an API or third party library for launching missiles? Please add sample code for various launch scenarios: orbit, moon, mars, etc.

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• wordpress user uploads, any solution?

  - by jsims281

  I need to build a solution which will allow registered users of a Wordpress site upload videos to the server and have them moderated before being published on the site. Failing that, I would like to let users upload their file, then the Admins would check the video is appropriate, upload it to youtube, and manually embed it into a post. This has to look transparent - so I don't want to make the users into contributers. Does anyone know of any plugins or home-made solutions that are available for this? edit: the closest I have found is this http://wordpress.org/extend/plugins/all-in-one-video-pack/ but the unknown 3rd party hosting is a deal breaker.

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