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  • How to use DNS to redirect domain to specific port on my server

    - by Tomaszs
    I'm running a web server on port 80 and another on port 87. I would like to use DNS so that www.example.com goes to port 87. How can I accomplish this using DNS only? Canonical Question: This question was originally asking about running IIS and Apache on the same server, but the same concepts can be applied to any server software receiving connections from clients. The Answers below describe the technical problems with using DNS to assign a port number for a client to connect.

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  • Generics and Exposing .Net Types For COM Consumers?

    - by IbrarMumtaz
    I remember seeing a question on my official MS 70-536 exam that talked about a simple class that was designed to be exposed for COM calling clients and etc. of all the members defined in the classes I chose the answer D. The one that used a generic. My question to you guys is this: If you were designing a .net custom type that was to be eventually consumed by a com caller or a com type .... of all the guidelines I have read on this subject. Generics is the one .Net topic I would not include in a class for this purpose I would omit such a data member or use something else? Am I right in thinking this. As soon as I saw this question I knew it was generics but I can't seem to prove it. Surely I did not make this up ... generics is a .net feature right?

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  • how to report some illegal website to FBI or crime department [closed]

    - by steve
    hello all I asked this question on stackoverflow and they suggested this I dont know whether i can ask this question here or not I am finding many web forums supportingstealing of personal info like creditcards and they selling at 2$ each and thye making gift vouchers of main auction websites and selling them 500$ at 10$ (these guys looping people hardwork ) where can i report these type of sites if i found in internet ? can anyone please tell me exactly where can i report regards steve

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  • Problem with assigning elements of a class array to individual variables in MATLAB

    - by Marc
    This is a bit of a duplicate of this question, this question, and this question, however those solutions don't work, so I'm asking mine. I've got an array of locally defined classes and I'd like to assign it to multiple, individual variables. This pattern doesn't work: %a is 2x1 of MyClass temp = mat2cell(a); [x,y] = temp{:}; %throws: ??? Insufficient number of outputs from right hand side of equal sign to satisfy assignment. Because temp is a single cell, with my 2x1 array in one cell, rather than a 2x1 cell array with one element of each of my original array in one cell. Any ideas?

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  • Preferred Method Of Application Purchase

    - by Chuck
    This is more of a "programmers" question, but felt that it was technical enough to belong on Stack Overflow instead. I'm launching an application soon that will follow the shareware model of purchase. I've thought about implementing this in a few ways: Limited access to the application until they purchase Full access to the application but expires after 30 day, requiring them to purchase to retain utility. Full access to the application indefinitely, but with a 10-15 second pop-up box on start-up asking them to register -- like mIRC does (or used to do). The method of authentication will be web-based. I'll provide them with an authentication key and they'll put it in the application. Whenever the application boots up, it'll check my web service and determine whether the application is genuine or not. This isn't my question. My question is: Is there a preferred method of implementation? I'd like to piss off the users as little as possible, but I'd also like to get paid for my work.

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  • Make `mount` choose a device

    - by o_O Tync
    I have a mount point — let it be /media/question — and two possible devices: a physical HDD and a remote NFS folder. Sometimes I plug the device in physically, in other cases I mount it via NFS. Is there a way to specify both of them in fstab so that executing mount /media/question will preferably choose physical volume, and when it's not available — NFS?

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  • How to customize an OpenFileDialog using nested types?

    - by vitorbal
    Say I wanted to customize an OpenFileDialog and change, for example, the way the filter for file extensions work, as in the case of this question. After I pointed out to the author of said question that the OpenFileDialog is not inheritable, I got a comment with the following: Even though the OpenFileDialog is sealed (not inheritable), you may use it as a nested type. For instance, using a property that will get the NativeDialog. Then, you write your method always using the NativeDialog property and you're done. My question is, can someone provide me with an example code on how would I proceed on doing something like that? I'm kind of new to the concept of nested types so I'm having a hard time figuring that out by myself, and I searched around the web and couldn't find anything too concrete about it. Thanks!

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  • How to insert Flash without JavaScript in the most compatible but valid way?

    - by Andreas Gohr
    I'm looking for a way to embed Flash into a XHTML Transitional page that does not rely on enabled JavaScript, which validates and that works across all major Browsers including IE6. So far I'm using this solution which seems to work just fine: http://latrine.dgx.cz/how-to-correctly-insert-a-flash-into-xhtml#toc-final-solution However, when this method is used in an RSS Feed it seems that Feedburner and Google Reader at least (maybe other feed readers, too) strip the whole object tags and only leave the alternative content. Any suggestions how to improve this?

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  • compiler warning on (ambiguous) method resolution with named parameters

    - by FireSnake
    One question regarding whether the following code should yield a compiler warning or not (it doesn't). It declares two methods of the same name/return type, one has an additional named/optional parameter with default value. NOTE: technically the resolution isn't ambiguous, because the rules clearly state that the first method will get called. See here, Overload resolution, third bullet point. This behavior is also intuitive to me, no question. public void Foo(int arg) { ... } public void Foo(int arg, bool bar = true) { ...} Foo(42); // shouldn't this give a compiler warning? I think a compiler warning would be kind of intuitive here. Though the code technically is clean (whether it is a sound design is a different question:)).

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  • 3D Math: Calculate Bank (Roll) angle from Look and Up orthogonal vectors

    - by 742
    I hope this is the proper location to ask this question which is the same as this one, but expressed as pure math instead of graphically (at least I hope I translated the problem to math correctly). Considering: two vectors that are orthogonal: Up (ux, uy, uz) and Look (lx, ly, lz) a plane P which is perpendicular to Look (hence including Up) Y1 which is the projection of Y (vertical axis) along Look onto P Question: what is the value of the angle between Y1 and Up? As mathematicians will agree, this is a very basic question, but I've been scratching my head for at least two weeks without being able to visualize how to project Y onto P... maybe now too old for finding solutions to school exercises. I'm looking for the trigonometric solution, not a solution using a matrix. Thanks.

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  • Can this package be recompiled

    - by Saif Bechan
    Hello I asked this question to superuser but I did not get a good question there and i really need the answer. I know some of you here can answer this question. I have installed nginx via yum. Now I want to add a module, but I have to compile the source again and include the the new module. But i can't find the source. Does someone know what I have to do to recompile the source and get the module in.

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  • Checkbox vs Two Radio Buttons - Which one is more usable?

    - by Engram
    I'm currently working on some setting screens, most of which contain a 2 column form with a preference question on the left, and a form element on the right. The questions are things like: Can add/edit other users? Can delete clients? Obviously this setting is a binary setting and most UI "experts" would insist that a checkbox is the appropriate form element to use. However, when I mocked up the form with the checkboxes it looked unfriendly and it seemed hard to relate the state of the checkbox back to the question. I changed the form to use two radio buttons instead: Yes o No Personally I find this easier to process, as the options are actually answers to the question posed on the left. In terms of clicking it makes no difference to the user, it's a single click each time to change the setting. What do you think of this use of radio buttons? Is this better or worse than a checkbox and why?

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  • QuestionOrAnswer model?

    - by Mark
    My site has Listings. Users can ask Questions about listings, and the author of the listing can respond with an Answer. However, the Answer might need clarification, so I've made them recursive (you can "answer" an answer). So how do I set up the database? The way I have it now looks like this (in Django-style models): class QuestionOrAnswer(Model): user = ForeignKey(User, related_name='questions') listing = ForeignKey(Listing, related_name='questions') parent = models.ForeignKey('self', null=True, blank=True, related_name='children') message = TextField() But what bugs me is that listing is now an attribute of the answers as well (it doesn't need to be). What happens if the database gets mangled and an answer belongs to a different listing than its parent question? That just doesn't make any sense. We can separate it with polymorphism: QuestionOrAnswer user message created updated Question(QuestionOrAnswer) shipment Answer(QuestionOrAnswer) parent = ForeignKey(QuestionOrAnswer) And that ought to work, but now ever question and answer is split into 2 tables. Is it worth this overhead for clearly defined models?

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  • Poll: Require Semicolons and Forbid Tables?

    - by George Bailey
    There are a few very serious but opinionated and subjective arguments that I know of. Two of them are Whether or not to use semicolons in the event they are optional. There is a vote as here that also includes reasons Whether or not to use tables for non tabular data. There more information here Since the semicolon question arises often in JavaScript and the tables thing in HTML then there are probably many who run into both. I sort of expect a person who is strict with semicolons also to be strict about avoiding tables. I will post four CW answers here to vote on. Please vote what you think is right. If you want to talk about the reasons then please use Semicolons: Do you recommend using semicolons after every statement in JavaScript? Tables: Start your own question under the polls tag and follow the design of the semicolons question.

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  • Can someone explain what causes extra heat in a CPU

    - by BlueTrin
    I have a hardware question about CPU and chips in general: what is causing the extra heat when CPUs are busy doing computations ? I thought that the CPUs would have a way to throttle themselves when they are not busy but it seems that only applies to some mobile CPUs, so my question is how do CPUs manage to generate less heats when performing less computations and what causes the heat in the hardware when the workload increases ?

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  • How can I limit Safari's RAM use?

    - by timothymh
    Safari uses a lot of RAM. Especially when you add Safari's use to WebProcess's use: it comes to about 1.5 GB of memory (for me, anyway). How can I limit the amount of RAM Safari and WebProcess use? I know a similar question was asked last summer, but two of those answers have to do with the program in question (Dropbox) and the other answer encourages use of Terminal, which I find terribly confusing. Are there any other methods?

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  • Protocol buffer deserialization and a dynamically loaded DLL in Compact Framework

    - by cloudraven
    I saw a question related to this on the full framework here. Since it seems to have stayed unresolved for quite a while and this is for the compact framework, I though it would be better to create a new question for it. I want to deserialize types for which I am loading assemblies dynamically (with Assembly.LoadFrom) and I am getting a "Unable to identify known-type for ProtoIncludeAttribute" error. In the related question I mentioned, it was hinted that hooking AppDomain.AssemblyResolve event would help solving the problem. It makes sense for the full framework, but that event is not available in the CF. I wonder if there is a way to do this with CF. The structures I am using look a lot like this and all the classes required for deserialization are loaded from the same Assembly. If the assembly is referenced instead of dynamically loaded it works fine, but fails if done dynamically.

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  • Does javascript event handling occur inside or outside the program flow?

    - by Carlo Roosen
    This question is related to Javascript event handling and flow control, but it is one step beyond. The question that remains unanswered is: when an event is fired and control is returned to the browser, could the browser decide to handle other events first (fired by other scripts or user action) (A), or will it always handle my event directly (B)? The question is important, because in case (B) you can rely on the fact that nothing has been changed between firing the event and the event handler, while (A) gives no guarantees whatsoever. My first guess is (B), how else could stopPropagation() and preventDefault() work? But giving it a second thought, it is no hard evidence.

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  • HQL updates and domain objects

    - by CaptainAwesomePants
    I have what may be a pretty elementary Hibernate question. Do HQL (and/or Criteria) update queries cause updates to live domain objects? And do they automatically flush now-invalid domain objects from the first-level cache? Example: Player playerReference1 = session.get(Player.class,1); session.createQuery("update players set gold = 100").executeUpdate(); //Question #1 -- does playerReference1.getGold() now return 100? Player playerReference2 = session.get(Player.class,1); //Question #2 -- does playerReference2.getGold() return 100, or is it the same exact object? Should I make a practice of evicting all objects that are affected by an HQL update if there's a chance some code will need it later?

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  • What causes "The INF file you selected does not support this method of installation." error?

    - by AndrejaKo
    This question is related to this one. Also, I think it's not duplicate of this question, since I'm not asking about specific device but a more general case. Where can I find information about driver .inf files and how windows checks if they are usable? I know that many people do modify .inf files so there must be some information on the Internet. Basically I have a bad .inf file and would like to see what's wrong with it and how to fix it if possible.

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