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  • Store request.headers in a serialized model attribute

    - by Horace Loeb
    Here's my model: class Comment < ActiveRecord::Base serialize :request_headers end But when I try to do @comment.request_headers = request.headers I get a TypeError (can't dump anonymous class Class) exception. Another way to ask my question: how can I convert request.headers into a Hash? It uses a Hash under the covers so this should be easy, no?

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  • How can the AssemblyName class be used for existing Assemblies?

    - by IbrarMumtaz
    This is another exam related question. I want to know how can I use the AssemblyName class to represent an existing assembly that already exists on disk??? I am talking about from the perspective of using the AppDomain's instance method .Load(), that takes an AssemblyName object as a parameter. I know what MSDN has to say about what the .Load() method was designed for but that aside, I still want to know how to use it !!!

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  • Java Interfaces Methodology

    - by Amir Rachum
    Hi all, I've been programming in Java for a few courses in the University and I have the following question: Is it methodologically accepted that every class should implement an interface? Is it considered bad practice not to do so? Can you describe a situation where it's not a good idea to use interfaces? Thanks.

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  • How does msbuild decide whether it needs to rebuild a C# library or not?

    - by Peter Mounce
    Per subject, how does msbuild decide whether it needs to rebuild a library (ie, invoke csc), or not, when it is run against a C# project file? I imagine (but want to confirm): If there's no output directory, rebuild (duh :) ) If a C# file has changed, rebuild If an included file marked copy-always has changed, rebuild or is it smart enough to not rebuild, but just copy the file to the existing output? If an included file marked copy-if-newer has changed, rebuild same question as above

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  • How to stay connected to the programming community?

    - by Anton
    I often find myself detached from the programming community and I generally find out about all the "cool" things that are happening after they have already happened. So my question is how do you stay connected and up to date with the programming community? Podcasts, blogs, meet ups, conventions, twitter, talking with your co-workers whatever it may be that keeps you connected. Please provide actual examples of which blogs, talks, etc you use.

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  • iPhone, change color to each letter

    - by Paul
    It is possible to change a NSString color by letter? For example, if you have NSString *A=@"ASDFGH"; show in UILabel ASD with red and FGH with blue. And another question.. If I have a NSString, can I access the letter I want? For example, in NSString *A=@"ASDFGH"; how can I know what is the second letter which is S, or the third, which is D?

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  • doubt regarding sequence points

    - by tushar
    i recently came across a question about sequence points in c++ at this site what the code will output: int c=0; cout<<c++<<c; it was answered that the output is undefined and << is not a sequence point but still i want to know why does it that even if i compile it 25 times it still prints 01

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  • Require User to be Logged in to Download ZIP Files

    - by Jonathan Wood
    Is it possible to require the user be authenticated (logged in) when downloading ZIP files from my site? Note that I don't have direct control of IIS7. (I'm on a shared hosting account.) I can't simply alter the access for a particular directory because many directories are involved and most contain other files that can be accessed freely. I've Googled this a bit and found similar questions. But I've been unable to find this exact question.

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  • Thin down jQuery

    - by Taylor Satula
    Hi, I have been optimizing my website but the one problem that stands in my way is all the jQuery functions that I do not use. The only ones that I use are for a smooth page scroller. It just seems like such a waste of download time. My question is: Is there any script or program that will remove the jQuery code that I do not need and leave the 1 or 2 functions that I do need.

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  • clearing an entire column in access

    - by I__
    is there a way to clear an entire column in a datasheet in access? i can just right click on it and delete it but that will affect the structure, i just need to clear all the records. how do i do this? perhaps the question i should be asking is how do i clear the entire contents of a datasheet in access?

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  • How to prevent overdrawing?

    - by afriza
    This is a difficult question to search in Google since it has other meaning in finance. Of course, what I mean here is "Drawing" as in .. computer graphics.. not money.. I am interested in preventing overdrawing for both 3D Drawing and 2D Drawing. (should I make them into two different questions?)

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  • What video encoder services do you use with s3?

    - by Trip
    We were using FFmpeg which is free. And when a bug occurred that broke the system, a previous developer installed PandaStream. My question is, what do you recommend for quality video encoders? Is it best to stick with ffmpeg and keep it free, or does a small website really need a heavy duty service like Panda?

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  • Remove file from dependency jar using maven

    - by Matt Campbell
    I am trying to remove a file from a dependency jar that I am including in my war file in maven. I am deploying the war to JBoss 5.1 and the jar in question contains a persistence.xml file that I don't want. Here's what is going on: my-webapp.war | `-- WEB-INF | `-- lib | `-- dependency.jar | `-- META-INF | `-- persistence.xml When I am building my war, I want to remove persistence.xml Any one have any idea if this can be done easily?

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  • Can a Java portlet be embedded in an ASP.NET page?

    - by frankadelic
    We have some portlets created by a team working on a JEE site. They would like to include one of these portlets within a site I manage, which is ASP.NET. Aside from solutions like iframes, is it possible to embed a Java portlet within an ASP.NET page? (Note: I don't have much Java/portlet experience, so please take that into consideration in your answer) UPDATE Is this relevant to my question? http://download.oracle.com/docs/cd/E13174_01/alui/devdoc/docs60/Portlets/Basics/Hello_World_Portlet_NET.htm

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  • Definition of domains in mySQL?

    - by mal
    I'm working on a college exercise and have the following question: What is the domain of the "country" table? My understanding of domain is that it defines the possible values of an attribute. This means that the table "country" doesn't have a domain, but the various attributes in the table "country" have their own domains. For example the attribute "SurfaceArea" has the domain FLOAT(10,2) and the attribute "Name" has the domain CHAR(52). Is this correct?

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  • lisp, differences in assignment functions

    - by johnc
    I'm pretty new to lisp, so apologies for what may be a simple question, Whilst I understand the difference between DEFVAR and DEFPARAMETER (defvar only sets undefined variables), and the LET is for local scope only, what is the is the use of SETF as opposed to the other, previously mentioned assignment functions?

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