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  • SQL-Server: Impersonation

    - by Falcon
    Hello, is there any way to make a certain session execute all commands as a certain user? I cannot use the execute as clause because it mustn't be hardcoded. I need something along the lines of this pseudocode: ALTER SESSION sessionid SET EXECUTING_USER=someuser

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  • How do I tell the difference between a success that is preceded by a momentary failure and failure?

    - by user128807
    When I'm trying out a new technology, I often fail. Sometimes I succeed, sometimes I continue to fail. So, in the first few moments after I try a new technology and experience failure, I cannot tell if I am on the path to success and have just experienced a momentary failure or if I am going to fail. I am wondering if anyone has a way to tell the difference between these two scenarios.

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  • jQuery scroll fails for iframe (firefox)

    - by knappy
    I cannot get scroll to work, here is the complete stuff: http://zed.mit.edu/scroll2/buc.php I'm trying to refresh the page while maintaining the scroll position of the iframe inside. I'd like to have an alert when I actively scroll the iframe, these two both fail: $(top).frames['#iframe_bucinid'].scroll(function() .... $('#iframe_bucinid').scroll(function() ... The page's iframe is defined as: <iframe class="inframe" src="bucin.php" name="bucin" id="iframe_bucinid"> Notice that getting the scrollTop works with top.frames['bucin'].document.body.scrollTop

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  • C# and WCF + Getting the location of execution

    - by user208662
    Hello, I have a WCF service that is responsible for writing a log file. I would like to write a log file relative to the location of my WCF service. This service does NOT have an HttpContext available. Because of this, I cannot use HttpContext.Current.Server.MapPath. How can I get the location of where my WCF service is running so that I can create a log file? Thank you

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  • What does ZIP stand for (the compression format, not the postal codes)

    - by codymanix
    Does anybody know for what the acronym ZIP stands for which was and is used in programs like PKZIP and GZIP? There is a compression algorithm named Lempel-Ziv-Welch-Algorithm (LZW) maybe the guy named Ziv invented together with other people ZIP? I cannot find anything about it, maybe its not an abbreviation but instead it just means "to zip files" but I think originally there was more about it..

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  • How do I set up a proxy object in the main application NIB?

    - by zoul
    Hello! I would like to set up a proxy object in the application NIB file. The problem is that the NIB file is the main application NIB that gets loaded automatically by the application and therefore I cannot set up the UINibProxiedObjectsKey dictionary as described in the documentation. Is there a way to set up a proxy object in the main application NIB? Or can I tap into the code that loads the main application NIB?

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  • How to access the private variables of a class in its subclass?

    - by giri
    This is a question I was asked in an interview: I have class A with private members and Class B extends A. I know private members of a class cannot be accessed, but the question is: I need to access private members of class A from class B, rather than create variables with the same value in class B. I hope I am clear with this question. Thanks.

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  • C# Find out what column caused the Sql Exception

    - by PaN1C_Showt1Me
    Hi. I'm getting an exception from SQL Data Reader (MS SQL as datastore) and I'd like to know which column name causes this Exception to be thrown. But I cannot find it in the InnerException.. nowhere. ((System.InvalidOperationException)ex.InnerException).StackTrace: System.Data.SqlClient.SqlDataReader.ReadColumnHeader(Int32 i) System.Data.SqlClient.SqlDataReader.IsDBNull(Int32 i) ... Where is it hidden please ?

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  • How to write a large number of nested records in JSON with Python

    - by jamesmcm
    I want to produce a JSON file, containing some initial parameters and then records of data like this: { "measurement" : 15000, "imi" : 0.5, "times" : 30, "recalibrate" : false, { "colorlist" : [234, 431, 134] "speclist" : [0.34, 0.42, 0.45, 0.34, 0.78] } { "colorlist" : [214, 451, 114] "speclist" : [0.44, 0.32, 0.45, 0.37, 0.53] } ... } How can this be achieved using the Python json module? The data records cannot be added by hand as there are very many.

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  • Converting generic type to it's base and vice-versa

    - by Pajci
    Can someone help me with the conversion I am facing in enclosed code ... I commented the lines of code, where I am having problem. Is this even the right way to achieve this ... what I am trying to do, is forward responses of specified type to provided callback. public class MessageBinder { private class Subscriber<T> : IEquatable<Subscriber<T>> where T : Response { ... } private readonly Dictionary<Type, List<Subscriber<Response>>> bindings; public MessageBinder() { this.bindings = new Dictionary<Type, List<Subscriber<Response>>>(); } public void Bind<TResponse>(short shortAddress, Action<ZigbeeAsyncResponse<TResponse>> callback) where TResponse : Response { List<Subscriber<TResponse>> subscribers = this.GetSubscribers<TResponse>(); if (subscribers != null) { subscribers.Add(new Subscriber<TResponse>(shortAddress, callback)); } else { var subscriber = new Subscriber<TResponse>(shortAddress, callback); // ERROR: cannot convert from 'List<Subscriber<TResponse>>' to 'List<Subscriber<Response>>' ... tried LINQ Cast operator - does not work either this.bindings.Add(typeof(TResponse), new List<Subscriber<TResponse>> { subscriber }); } } public void Forward<TResponse>(TResponse response) where TResponse : Response { var subscribers = this.GetSubscribers<TResponse>(); if (subscribers != null) { Subscriber<TResponse> subscriber; Type responseType = typeof (TResponse); if (responseType.IsSubclassOf(typeof (AFResponse))) { // ERROR: Cannot convert type 'TResponse' to 'AFResponse' ... tried cast to object first, works, but is this the right way? var afResponse = (AFResponse)response; subscriber = subscribers.SingleOrDefault(s => s.ShortAddress == afResponse.ShortAddress); } else { subscriber = subscribers.First(); } if (subscriber != null) { subscriber.Forward(response); } } } private List<Subscriber<TResponse>> GetSubscribers<TResponse>() where TResponse : Response { List<Subscriber<Response>> subscribers; this.bindings.TryGetValue(typeof(TResponse), out subscribers); // ERROR: How can I cast List<Subscriber<Response>> to List<Subscriber<TResponse>>? return subscribers; } } Thank you for any help :)

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  • jquery two different date validation

    - by mckenzie
    hello, var cin = $("#datepicker").val(); var cout = $("#datepicker2").val(); dateformat is : dateFormat: 'DD, d MM, yy' how do i use jquery to check cin(checkin) date not past cout(checkout) date? which means, cout date cannot earlier then cin date

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  • Change paper size in the middle of a latex document?

    - by Usagi
    Does anyone know how to change these length parameters in the middle of a latex document? \paperwidth \paperheight I would like to define a page size for a single page (possibly two or three). I tried v5.3 of the geometry package, which just added some new features; like \newgeometry. Unfortunately \newgeometry cannot be used to redefine \paperheight and \paperwidth. Any help would be very appreciated.

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  • Git is failing to push in puttycyg because of SSH error

    - by tpower
    I've been using puttycyg as a Cygwin terminal for my rails development. I've set up a git repository on a project management website and now I want to push my code to it with the following command: git push origin master I'm getting the following error: error: cannot run ssh: No such file or directory fatal: unable to fork I know ssh is used for authentication but I don't know if I need to set anything up to use it.

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  • Unable to install USB drivers for android

    - by Dave
    I'm running Win XP 64bit and am connecting a Motocliq to my computer. The device is recognized by windows and shows up in the device manager (Motorola ADB Interface), however when I try to install drivers (manually, from the usb_driver revision 3 provided by Android) it fails giving the error "The hardware was not installed because the wizard cannot find the necessary software." Does anyone else have experience installing this drivers on XP64bit/Motocliq?

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  • When setting a form's opacity should I use a decimal or double?

    - by Eggs McLaren
    I'm new to C#, and I want to use a track-bar to change a form's opacity. This is my code: decimal trans = trackBar1.Value / 5000 this.Opacity = trans When I try to build it, I get this error: Cannot implicitly convert type 'decimal' to 'double' I tried making trans a double, but then the control doesn't work. This code worked fine for me in VB.NET. What do I need to do differently?

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  • MVC 4 iframe embedded in desktop page showing mobile view

    - by Reto Laemmler
    I use Index.cshtml and Index.mobile.cshtml. My Index.cshtml is a mobile app landing page containing an iframe to live demo the mobile web app. Index.mobile.cshtml is the mobile web app itself. The problem is, the iframe keeps loading the desktop version itself. As far as I know, I cannot configure the user agent of the iframe to a mobile type. It should be solvable with some routing but I couldn't figure out how!?

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  • Headers already sent

    - by Tom
    Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\atseit\irankiai.php:3) in C:\xampp\htdocs\atseit\irankiai.php on line 211 Is there any way to remove this warning and make cookies work? My 3rd line defines title and 211 line sets cookie.

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  • Define Rails Model Persistent Attributes in Model File

    - by Kevin Sylvestre
    I recently played with MongoDB in Rails using Mongoid. I like the ability to define attributes for models within the model file (as opposed to in migrations): class Person include Mongoid::Document field :name, :type => String field :birthday, :type => Date end For projects that cannot use a schema-less database, does a similar feature exist? Any gems or plugins that generate schemas from a similar syntax would be greatly appreciated. Thanks.

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  • extended permission using php sdk

    - by Awais Qarni
    Hello, I am developing a facebook application using php-sdk. i want to take some extended permissions from user of my application. As this is application where user comes after login into facebook, so how can i take extended permission when user visit my page? We cannot place login button in which we can take permissions. now any one can guide me how to take and where to place that code? Thanks in advance. Regards, Awais Qarni

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