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  • join same rails models twice, eg people has_many clubs through membership AND people has_many clubs through committee

    - by Ben
    Models: * Person * Club Relationships * Membership * Committee People should be able to join a club (Membership) People should be able to be on the board of a club (Committee) For my application these involve vastly different features, so I would prefer not to use a flag to set (is_board_member) or similar. I find myself wanting to write: People has_many :clubs :through = :membership # :as = :member? :foreign_key = :member_id? has_many :clubs :through = :committee # as (above) but I'm not really sure how to stitch this together

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  • Can I perform a Windows 7 non destructive System Repair without the Disks, my OS is on a partition on my HP HDD?

    - by Mike
    I own an HP G-62 laptop. My Windows 7 OS is on the Recovery partition, D. I have no Win 7 Disks. I am wanting to perform a non destructive repair of the system files without losing my data or having to go through the whole routine of reinstalling Windows, Programs, Files, Pics, Music, etc... Can I perform a Repair on my main, C, drive without the disks, and from the partition? So far all the help I have found refers to using the original Win & OS disks.... Thanks, Mike0921

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  • URL Routing in Java

    - by Jack
    Coming from other web frameworks, I'm used to being able to map parts of a URL to method parameters. I know that web.xml provides a way to map an entire URL to a Servlet but is there a way to get more features out of this, such as mapping pieces of the URL to method parameters?

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  • Pressing zero key brings up lock/switch user screen in W7

    - by qinghua
    This issue started after my cat walked all over the keyboard... Whenever I press the "zero" key, the screen goes black and I'm taken to the lock/switch user screen. The other functions of the key work fine - it can produce ) and / like usual. Numlock is off, and as far as I know, my computer doesn't have Function Lock. If I log out of my user account and sign in as a guest, the "zero" works again, but if I create a new user profile, it doesn't work. I get the same issue when I hit "zero" using the on-screen keyboard. My keyboard layout is set to US English. I've uninstalled and reinstalled the ATK package, and updated my keyboard drivers. I have an ASUS U43JC-X1 laptop running Windows 7, and I haven't installed any new programs lately.

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  • Install Windows XP without disk

    - by Pearsonartphoto
    So, my kid's computer has Windows XP, with no disks. I'm pretty sure it has some viruses on the computer, of the type that don't seem to come out despite trying multiple anti-viral programs on it. I'm ready to just format it and start over again. I have a license sticker on the box, but no media to install it. I strongly suspect the license is OEM, but I don't have any proof. What suggestions would you have? I should say, the computer originally belonged to a business, is probably 6 years old, and I am willing to pay a small charge if required. I don't want to change the OS installed either.

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  • A UI over Windows Workflow

    - by Tom
    Hi there, Are there any build in UI capabilities when using Windows Workflow.. Lets say I have a workflow that takes an hour to run where different activities are happening all the time. While it's running I want to see what activity is currently active, what activities have already ran etc.. Do I have to code this UI myself or does WF have built in features that graphically show the status etc of the workflow?

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  • rendering html to png (server-side)

    - by jonny
    Hi! I have a workflow model. Internet Explorer doesn't support some features required for model editing functionality (and regular user doesn't need it). I want a read-only preview of my model. Is it possible to server-side render my html to image?

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  • Workfow foundation 4.0 Flow chart

    - by Sandy
    We already have our own workflow engine implemented about 5 years ago, currently we are thinking of leveraging the new flow chart control in .net 4.0 for the visual presentations of our existing states. So can we simply using this flow chart control without using other workflow foundations features?

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  • Simplest way to respawn configured number of instances of a specific process.

    - by Zwei Steinen
    So we have an app. which we wan to run multiple instance of it in linux. The number should be configurable. We also want that whenever one of the instance disappears, a new one is booted up. I was looking into C based programs, shell script, python script etc. but I was wondering what would be the most simple, easiest way to do it. Are there any tools out there? Can one simply use some linux built-in functionality? Linux distribution is Red Hat.

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  • Why OS X use swap when there is lots of "inactive memory"?

    - by Balchev
    I am using OS X from few months (Lion and now Mountain Lion). I have 8 GB on my mini and almost daily now it get close to that. On Windows 7 machine with 8 GB I never had that kind of problem. Anyway, I read over the net, that the inactive memory is app cache of the programs that are recently closed and can be used for faster reopening.And this inactive memory can be released to a new app if needed. It is not released. Instead OS X starts swapping. So my question is why OS X use swap when there is lots of "inactive memory"? Here a screen that shows what I mean: I really hope there is a away to make OS X to use those 2.69 GB before start swapping.I really do.

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  • Organizing github repository for java 6 and 7

    - by Edmon
    I am wanting to create a gihub repository that offers benchmarking code that works for concurrent features available only in JDK 1.7 (Fork/Join) as well as for older ones found in JDK 1.6. Offering both options is important for what I need. Does anyone have a recommendation how should I structure the repository. I was planning on having a repo called and under it: jdk17 build src mycode ... jdk16 build src mycode Please suggest any alternatives, possibly use of Maven or other more practical approaches, if any.

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  • Program to scale any OpenGL/DirectX window 2x larger?

    - by Neeb
    I would like to run some game on windowed mode, but its hard to see the game when my desktop resolution is huge. One solution could be to change my desktop resolution every time i play the game. But the bad thing is that my screen automatically smoothes the pixels when im using non-native resolutions, and the blurred pixels really makes it ugly and hard to look at. Is there some program to double the pixel size of any opengl/directx window without smoothing the pixels? I've tried multiple magnifying glass programs, but they all seem to make it blurred...

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  • How can I find out what modifications a program’s installer makes?

    - by Gregory MOUSSAT
    I want to know what some installers do: mainly what files, folders, and registry entries they add, remove, or modify. Lots of “ professional” programs are so poorly documented that it’s difficult to find the proper way to configure them, update them, etc. InstallRite is a program which is able to take a “snapshot” before and after the installation of a program and then compare the snapshots. This allows you to know what was done and even to create a custom uninstaller. Unfortunately InstallRite seems to no longer be maintained and has not been updated since 2008.

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  • whats is the fastest-best PHP IDE on windows?

    - by vegatron
    hi I've tried a few php IDEs , but still searching for the FASTEST one all Java based IDEs are too slow, I have 2 computers to work, my home pc which is too fast, and my laptop witch is good , but cant handle a heave software. and I have to work on them both, so I'm looking for the best free ide which is fast I'm not talking about text-editors , because I already have np++ and its great, but looking for extra features to help me save time.. any tips?

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  • Use the right tool for the job: embedded programming

    - by EmbeddedProg
    I'm interested in programming languages well suited for embedded programming. In particular: Is it possible to program embedded systems in C++? Or is it better to use pure C? Or is C++ OK only if some features of the language (e.g. RTTI, exceptions and templates) are excluded? What about Java in this domain? Thanks.

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  • Hybrid HDD/SSD Volume Windows

    - by ccrama
    Is it possible to create a hybrid drive-like experience using an ssd and a hdd? In theory, frequently used files would be stored on the faster ssd, and larger/less used would be moved to the hdd. I know you can create shared volumes in windows, but the speed differences would create some issues I would assume, and it doesn't have drive preference for what gets stored on what drive. Any programs/info/advice would be great! Thanks! (PS. I saw this question, but it was asked three years ago and some solutions have probably changed)

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  • Visual indication of network activity

    - by at.
    is there a simple application which can sit on top of a fullscreen game to give me an indicator of when there is a lot of network activity? I can only seem to find system tray apps or programs which work outside of fullscreen games. Preferably something transparent so i can see through it. A little background info: I used to have my PC sitting sideways on my desk so I can see lights from the network card. The lights stopped working a while ago and all I need is a little blinking application to tell me when there is activity. I do not need a detailed graph or bandwidth usage, just activity notification. I've looked everywhere for something, maybe you guys are better at searching than me.

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  • Is it possible to boot already installed version of Ubuntu from within Win7, e.g. with a vm?

    - by Fizzik
    I have both Ubuntu 12.10 and Win7 installed. I use the former mostly for scientific simulations and the latter for applications. The problem I came across with this configuration is that the simulations take quite a while, and I'm not satisfied enough with solutions like Wine to run the Windows apps while the simulation runs. I would rather not install the simulation programs again, since it took quite an effort. So, is it possible to boot the already installed version of Ubuntu from within Windows 7 via VirtualBox or or something else?

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