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  • Test Strategy for Addins

    - by Amit
    I was wondering if someone from the forum, can help me in uderstanding the type of Testing that will be performed, I mean a Test Strategy, we need to test things like Add-ins. Also need to know how can I reply to the person who has replied to my question, I kow its a bit not so mature quesiton, but if someone can explain. Regards Amit

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  • What is O(n log n) or O(n log(log n))

    - by Mark Tomlin
    What does O, if indeed it is a Oh (As in the letter O) not the number Zero (0) mean? I think the n would be number, but I'm not sure as I'm not a 'real' computer programmer, just a hobbyist. And log would be logarithmic function, but I only know that because of smarter people then I have told me this, while never really explaining what a logarithm is. So please, in plain English, explain what this is, and the differences between the two (such as their applications.

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  • database----database normalization

    - by runeveryday
    someone told me the following table isn't fit for the second database normalization. but i don't know why? i am a newbie of database design, i have read some tutorials of the 3NF. but to the 2NF and 3NF, i can't understand them well. expect someone can explain it for me. thank you, +------------+-----------+-------------------+ pk pk row +------------+-----------+-------------------+ A B C +------------+-----------+-------------------+ A D C +------------+-----------+-------------------+ A E C +------------+-----------+-------------------+

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  • iPhone vertical toggle switch

    - by nan
    I'm trying to create a vertical toggle switch control for the iPhone (along the lines of UISwitch but vertical sliding). I was wondering whether an existing control already existed or if there are any good tutorials that explain the basics of creating custom controls for the iPhone. Currently I've tried using affine transforms to create the vertical switch from a basic UIswitch, and it works except that the slider is too small compared to the slider track, thus I'm looking for information on writing custom controls. Any direction is much appreciated.

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  • Simple javascript to mimic jQuery behaviour of using this in events handlers

    - by Marco Demaio
    This is not a question about jQuery, but about how jQuery implements such a behaviour. In jQuery you can do this: $('#some_link_id').click(function() { alert(this.tagName); //displays 'A' }) could someone explain in general terms (no need you to write code) how do they obtain to pass the event's caller html elments (a link in this specific example) into the this keyword? I obviously tried to look 1st in jQuery code, but I could not understand one line. Thanks!

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  • Is Polymorphism and Method Overloading is almost the same thing in C++

    - by Maxood
    In C++, there are 2 types of Polymorphism: Object Polymorphism Function Polymorphism Function polymorphism is exactly the same thing as method or function overloading i.e. We use the same method names with different parameters and return types. Now the question is why do we have this fancy name Polymorphism in OOP? What distinctly distinguishes polymorphism from method overloading? Can someone explain with a scenario. Thanks

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  • web.config overrides app.config...why?

    - by vikp
    Hi, I have to DLLs: one with a web.config, another one with app.config I moved the connection strings from web.config to app.config so that it can be used by other DLLs. Now, when I call ConfigurationManager.GetSection("SomeSection") , the application looks for a web.config, when it should be looking for the app.config. It doesn't make sense why it does it because web.config is in a separate DLL. Can anybody explain this please?

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  • Covering Index versus Clustered Index (Database Index)

    - by Mestika
    Hi, I'm working on a database system and it's indexes, but I'm having a really hard time seing the clear difference between a covering index and a clustered index. I've googled my way around but hasn't got a clear cut answer on: What is the differences between the two types of indexes When do I use Covering index and when do I use Clustered index. I hope someone can explain it to me in a almost children-like answer :-) Sincerely Mestika By the way, I'm using IBM DB2 version 9.7

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  • importing .png image into flash CS3

    - by new
    While importing a .png file in Flash CS3, i noticed that it automatically gets resized. It gets imported smaller than its original size. Im importing it to the stage and not inside any symbol. Can anyone explain why this happens? Do i have to change any settings to get the original size as it is?

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  • COM OCX registration - 2 DLL's with same name

    - by Tony
    Hi, I have a native app that has an .OCX file that needs to be registered for it to be used in a .NET application. Now currently there's different versions of this .OCX on the machine. Can someone please explain how this can affect the registration of this new (updated) .OCX file registration? And how does my .NET app know which object to create from which .OCX file?

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  • Weird result comparing property values using reflection

    - by Brian
    Can someone explain why this is occurring? The code below was executed in the immediate window in vs2008. The prop is an Int32 property (id column) on an object created by the entity framework. The objects entity and defaultEntity were created using Activator.CreateInstance(); Convert.ChangeType(prop.GetValue(entity, null), prop.PropertyType) 0 Convert.ChangeType(prop.GetValue(defaultEntity, null), prop.PropertyType) 0 Convert.ChangeType(prop.GetValue(entity, null), prop.PropertyType) == Convert.ChangeType(prop.GetValue(defaultEntity, null), prop.PropertyType) false

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  • Naming conventions for private members of .NET types

    - by Joan Venge
    Normally when I have a private field inside a class or a struct, I use camelCasing, so it would be obvious that it's indeed private when you see the name of it, but in some of my colleagues' C# code, I see that they use m_ mostly or sometimes _, like there is some sort of convention. Aren't .NET naming conventions prevent you from using underscores for member names? And when you mention the MS naming conventions or what not, they tell you it's the best way, but don't explain the reasoning behind it.

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  • F5 Load Balancer- ASPXAuth Cookie

    - by Emon
    Can somebody explain what ASPXAuth cookie does? My website uses forms auth and I am trying to create a load balancer (hardware) rule which will keep track of sessions based on the aspxauth cookie. Is it safe assume that the value of the cookie is unique? Thanks.

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  • What are all the differences between pipes and message queues?

    - by aks
    What are all the differences between pipes and message queues? Please explain both from vxworks & unix perspectives. I think pipes are unidirectional but message queues aren't. But don't pipes internally use message queues, then how come pipes are unidirectional but message queues are not? What are the other differences you can think of (from design or usage or other perspectives)?

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  • C++ includes with and without .h

    - by wyatt
    I've never noticed it making any difference whether or not I include the .h at the end of an include, so I've always ignored the meaning, but I've just noticed in a particular program of mine, I get the error "memcpy was not declared in this scope" if I include "string", but not if I include "string.h". First of all, I was wondering the specific cause of this, but also generally the difference between the two. At the same time, if someone could explain the difference between includes in angular brackets and those in quotation marks, It'd be much appreciated.

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  • how does data clustering help in image or pattern recognition

    - by anon
    I have been playing around with different data clustering algorithms working on finding clusters between random data points represented an nodes, I keep reading that data clustering is used for image recognition. I am failing to make the connection, how does clustering data help in recognizing an image or in facial recognition. can someone explain this?

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  • WSS Web application and IIS Website differences

    - by chaitanya
    Can somebody explain briefly the differences between a "WSS Web Application" and a normal "IIS Website"? I have read that a WSS web application is a "special" IIS Website with WSS featured. I also know that the content of a web application is stored in an SQL Server Website(called the content database) whereas an IIS Website stores it on a hard disk on the server. A point-by-point difference would be appreciated.

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