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  • Designing bayesian networks

    - by devoured elysium
    I have a basic question about Bayesian networks. Let's assume we have an engine, that with 1/3 probability can stop working. I'll call this variable ENGINE. If it stops working, then your car doesn't work. If the engine is working, then your car will work 99% of the time. I'll call this one CAR. Now, if your car is old(OLD), instead of not working 1/3 of the time, your engine will stop working 1/2 of the time. I'm being asked to first design the network and then assign all the conditional probabilities associated with the table. I'd say the diagram of this network would be something like OLD -> ENGINE -> CAR Now, for the conditional probabilities tables I did the following: OLD |ENGINE ------------ True | 0.50 False | 0.33 and ENGINE|CAR ------------ True | 0.99 False | 0.00 Now, I am having trouble about how to define the probabilities of OLD. In my point of view, old is not something that has a CAUSE relationship with ENGINE, I'd say it is more a characteristic of it. Maybe there is a different way to express this in the diagram? If the diagram is indeed correct, how would I go to make the tables? Thanks

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  • Python unittest (using SQLAlchemy) does not write/update database?

    - by Jerry
    Hi, I am puzzled at why my Python unittest runs perfectly fine without actually updating the database. I can even see the SQL statements from SQLAlchemy and step through the newly created user object's email -- ...INFO sqlalchemy.engine.base.Engine.0x...954c INSERT INTO users (user_id, user_name, email, ...) VALUES (%(user_id)s, %(user_name)s, %(email)s, ...) ...INFO sqlalchemy.engine.base.Engine.0x...954c {'user_id': u'4cfdafe3f46544e1b4ad0c7fccdbe24a', 'email': u'[email protected]', ...} > .../tests/unit_tests/test_signup.py(127)test_signup_success() -> user = user_q.filter_by(user_name='test').first() (Pdb) n ...INFO sqlalchemy.engine.base.Engine.0x...954c SELECT users.user_id AS users_user_id, ... FROM users WHERE users.user_name = %(user_name_1)s LIMIT 1 OFFSET 0 ...INFO sqlalchemy.engine.base.Engine.0x...954c {'user_name_1': 'test'} > .../tests/unit_tests/test_signup.py(128)test_signup_success() -> self.assertTrue(isinstance(user, model.User)) (Pdb) user <pweb.models.User object at 0x9c95b0c> (Pdb) user.email u'[email protected]' Yet at the same time when I login to the test database, I do not see the new record there. Is it some feature from Python/unittest/SQLAlchemy/Pyramid/PostgreSQL that I'm totally unaware of? Thanks. Jerry

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  • Android: how to hide and then show View with animation effect?

    - by tomash
    I have similar question like this one: http://stackoverflow.com/questions/2079074/update-layout-with-the-animation Basically: I have one vertical LinearLayout View with edittext, button and then list. I'd like to hide exittext after pressing button to make more space for list (button will go up). On second press edittext should be visible again. Edittext and button have "wrap_content" height. I'd like to hide and show edittext with animation. I succeeded to animate hiding by overloading Animation's applyTransformation: final float edittextheight= edittext.getHeight(); [....] @Override protected void applyTransformation(float interpolatedTime, Transformation t) { super.applyTransformation(interpolatedTime, t); android.view.ViewGroup.LayoutParams lp = edittext.getLayoutParams(); lp.height = (int)(edittextheight*(1.0-interpolatedTime)); edittext.setLayoutParams(lp); } Problem: I don't know how to calculate height to animate showing - edittext.getHeight(); returns 0 when widget is hidden and in layout definition I'm using "wrap_content". Help?

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  • android: which view should I use for showing text and image?

    - by Yang
    My app shows a list of items, where each line is an item title with its image asides, the line reserves 70% of space for text and 30% for image. Imagine what iphone app store looks like. Which view/layout combo is recommended for this purpose? I googled and find this article: http://www.curious-creature.org/2009/02/22/android-layout-tricks-1/ Does this view sound good? <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="?android:attr/listPreferredItemHeight" android:padding="6dip"> <ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_alignParentTop="true" android:layout_alignParentBottom="true" android:layout_marginRight="6dip" android:src="@drawable/icon" /> <TextView android:id="@+id/secondLine" android:layout_width="fill_parent" android:layout_height="26dip" android:layout_toRightOf="@id/icon" android:layout_alignParentBottom="true" android:layout_alignParentRight="true" android:singleLine="true" android:ellipsize="marquee" android:text="Simple application that shows how to use RelativeLayout" /> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_toRightOf="@id/icon" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:layout_above="@id/secondLine" android:layout_alignWithParentIfMissing="true" android:gravity="center_vertical" android:text="My Application" />

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  • Tree View WIKI replacement solution for SharePoint like Confluence?

    - by Melih Öztürk
    Hi to all, I keep my Process Documents on SVN and I want to create a Wiki page includes the information about these files. We use SharePoint in the company for basic document sharing and team sites. As it is mentioned in http://stackoverflow.com/questions/256407/what-are-your-biggest-complaints-about-sharepoint SharePoint Wiki lacks of usability. I need an easy to use wiki tool which is capable of showing the content like WikiPedia contents and it would be great if I could have the SharePoint tree view and Active Directory authentication also. I googled it and found Atlassian's Confluence and it seems that this product is capable of the requirements. We use Jira for issue tracking, so we can use it's reporting in dashboards. I need and it has a Wiki part which displays wiki pages in tree view. It should be like Does anyone used Confluence or have an idea for other products which meets my requirements

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  • How can I push a new view controller onto a different nav controllers stack and switch to it?

    - by Derek
    I have a Tab Bar Controller created in Interface Builder Within the Tab Bar are 4 Navigation Controllers. Each controller functions separately and perfectly (yay!) What I need to be able to do is a push a view controller onto a different nav controllers stack and switch the focus onto the appropriate tab bar item (so that the user moves sideways (to a different tab) and up (to a new view) at the same time). This is my first time working with a tab bar controller, and while it's been simple to this point, figuring this out is giving me fits. Any tips you can toss my way would be much appreciated.

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  • How do I put a custom version of node/add form in a view using customfield in drupal 6?

    - by niedakh
    Hi, I'm trying to add a pre-filled 'add reply' form to a view of nodes. Reply is a content-type (reply) with certain fields that need to be prefilled based on what is in the view. This way a user can see only the selected fields from the node/add/reply. At the moment I'm building the forms manually - copy the form from node/add, do some modifications using php & views customfield, but I would like to be able to just push default values to some fields and hide some others and then make drupal render it with all the javascript glory like date select etc. Can this be done?

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  • MSB3422 Failed to retrieve VC project information through the VC project engine object model. MSB342

    - by Scott Langham
    I'm getting the following errors from MSBuild while trying to build a solution: C:\dev\MySln.sln : warning MSB3422: Failed to retrieve VC project information through the VC project engine object model. Unable to determine default tool for the specified file configuration. C:\dev\MySln.sln : warning MSB3425: Could not resolve VC project reference "C:\dev\MyProj.vcproj". Have you got any ideas on what's causing this? I've seen other postings about similar, but different errors such as when the MSB3422 error has a different message and shows "Illegal characters in path.", but I haven't seen any useful information about how to solve the error I'm getting where it says "Unable to determine default tool for the specified file configuration.". Thanks. I found this, but it doesn't really help: http://social.msdn.microsoft.com/Forums/en-US/msbuild/thread/b470f111-9321-4b43-8bd1-7fcf67c2d402

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  • How to HIDE the iPad keyboard from a MODAL view controller?

    - by Cal
    I'm trying to hide the iPad keyboard from a modal view controller but it doesn't work. I have tried resignFirstResponder but that doesn't have any affect if we are in a modal view controller. I tried resignFirstResponder in a non-modal UINavigationController with the very same UIViewController and the keyboard hides correctly. Does anyone know how solve this problem? Thanks. [Update] it looks like there's something wrong with my code because the resignFirstResponder does work (I made a simple test case instead of using my code). But I still don't know what the problem is.

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  • Is it possible to hide the tabbar when a button is pressed to allow a full screen view of the conten

    - by Jonah
    I have a UITabBar in the detail view of my navigation based application. I am storing text and images in a tableview and would like the user to be able to tap on a cell to hide the navigation controller and the tabbar for full screen viewing of the content. I found this code for hiding the top bars, but it does not seem as easy to hide the tabbar. [[UIApplication sharedApplication] setStatusBarHidden:YES animated:YES]; [self.navigationController setNavigationBarHidden:YES animated:YES]; Does anyone know how to do this? This code does not work to hide the tabBar once the view is already loaded. yourTabViewController.hidesBottomBarWhenPushed = YES;

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  • How to access the Desktop Composition Engine from a WinForms app?

    - by MusiGenesis
    Is it possible to access Desktop Composition Engine in Windows Vista from a winforms application? The DCE apparently involves applications rendering to DCE buffers instead of directly to the screen. Since a winforms app has no way of getting information about the monitor's refresh rate and scanline status (other than via DirectX), animation in a winforms app is subject to tearing effects. With DCE enabled, the tearing effects are lessened but still there (apparently the DCE can still grab a buffer that your app is halfway through writing to and render it to the screen, thereby producing the half-one-frame-half-of-the-next tearing effects). Is there any way for my winforms app to communicate with the DCE and possible avoid rendering during buffer switchover times?

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  • What web browser engine, version, and capabilities are used to display web pages inside Visual Studio 2010?

    - by Phrogz
    My company is developing a plugin/add-on for Visual Studio 2010. When the user asks to display the help for our product, we plan on opening an HTML page (or suite of pages) within Visual Studio. I'm helping to design and implement the help system. What web engine/version is used within Visual Studio 2010? According to Wikipedia it is not Trident(!). Am I allowed to load remote JavaScript content (via a <script> element)? Am I allowed to use XHR to load remote content? Will my page be trusted and have access to the FileSystemObject? I would appreciate any resources you can give me on programming specifically to the 'web' capabilities of VisualStudio2010-as-a-browser.

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  • OpenGL ES view: how to orient it to landscape?

    - by Steph Thirion
    Looking for clues about orienting an OpenGL ES app in landscape, most information I found dates back from 2008, most of it refering to the early versions of the SDK. Apparently, back in the days, in the case of GL it was recommended to not rotate the view, but instead to apply the rotation as a GL transformation. Is it still the case with the current SDKs? It would be so much simpler to simply rotate the window: all the touch events would be in sync with the rotation. In other words: how to set up an OpenGL view in landscape mode?

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  • ASP.NET MVC: How to transfer more than one object to View method?

    - by ile
    I finished NerdDinner tutorial and now I'm playing a bit with project. Index page shows all upcoming dinners: public ActionResult Index() { var dinners = dinnerRepository.FindUpComingDinners().ToList(); return View(dinners); } In DinnerRepository class I have method FindAllDinners and I would like to add to above Index method number of all dinners, something like this: public ActionResult Index() { var dinners = dinnerRepository.FindUpComingDinners().ToList(); var numberOfAllDinners = dinnerRepository.FindAllDinners().Count(); return View(dinners, numberOfAllDinners); } Of course, this doesn't work. As I'm pretty new to OOP I would need help with this one. Thanks, Ile

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  • how to specify the Build Engine Version when using VcBuild.exe on the command line.

    - by r9r9r9
    I create a c# class library project named: testVcBuild, then use vcbuild.exe to build the project in the command line like: C:\Program Files\Microsoft Visual Studio 9.0\VC\vcpackages>vcbuild testVcBuild.csproj "Debug|Win32" the out put shows: Microsoft (R) Visual C++ Project Builder - Command Line Version 9.00.21022 Copyright (C) Microsoft Corporation. All rights reserved. Microsoft (R) Build Engine Version 2.0.50727.4927 [Microsoft .NET Framework, Version 2.0.50727.4927] Copyright (C) Microsoft Corporation 2005. All rights reserved. I found that the vcbuild.exe always call the "C:\Windows\Microsoft.NET\Framework\v2.0.50727\Csc.exe /noconfig .." the problem is how can I change the Framework version to v3.5? I found my project works fine with the v3.5 but it's broken in the v2.0.50727. I try to use msbuild.exe instead of vcbuild.exe, everything goes well, I just don't understand how can I make it with the vcbuild.exe? win7+vs2005+vs2008 installed.

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  • Is there "native" support for JSON in JDK6 Script Engine?

    - by Ayman
    I'm using JDK6the standard Scripting. I need to store and retrieve some JavaScript Objects that also contain Java Objects to JSON. I loaded the json2.js into the ScriptENgine and can use it fine without issue if the objects are all created in the Scrip Engine. The moment I try to use my own Java classes, I get some errors like "object does not support toJSON" errors. I did not find much about JSON in Java Scripting / Rhino context. Am I doing something totally wrong? What's the best way of achieving the requirement?

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  • Is it posible for WIndows Speech Recognition Engine to use in my project like word pronounciation ga

    - by XBasic3000
    I use to create an application that uses the windows speech recognition engine or the SAPI. its like a game for pronounciation that it give you score when you pronounce it correctly. but when i started experiments with SAPI, it has poor recognition unless if you load a grammar on it (XML) its give best recognition result. but the problem now is closest pronounciation from the input text will be recognize. for example: Database - dedebase - correct. even if you mispronounce it. it gives you correct answers. without using the xml grammar when you say database it give you "in the base/the base/data base/etc..." please post your answer,suggestion,clarication and please votes for best answer.

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  • How to load xib file with attached view controller ?

    - by hib
    Hello all , I am using a xib file as a back view in coverflow component . and it is seeing nicely . The code for loading a xib file is : NSArray *array = [[NSBundle mainBundle] loadNibNamed:@"TestMine" owner:nil options:nil]; backView = [array objectAtIndex:0]; Now I want to attach a view controller with this xib without changing the current code . How can I do so ? Tell me if more details need to answer the question . Thanks .

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  • How to use Web-View as page by page while scrolling or Flinging/swiping?

    - by Jetti
    Hi, I want to convert an .docx/.doc file to html and displaying in emulator with help of Web- view. But i am displaying entire data into webview as Single page(we need to scroll many times). So, i want to match the content of .docx file with webview as pages or put some buttons or gestures to get next page.But i unable to display text as pages in Web-View. is there any solution or suggestion to get as pages? How to get the height and width of webview? Thanks

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  • Any open source back test engine using bloomberg tick-by-tick data?

    - by Ian Xu
    I have a back test on index futures to do. I've finished the test on 1-minute OHLC data and the result is OK. Further I want to opt our tick-by-tick data downloaded from Bloomberg. I have browsed the internet and found that several trading platforms are available for such function but Bloomberg is not in the data source providers list. So I think these are not suitable for my case. I'm wondering whether there is any open-source engine that I may embed to finish the test?

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  • What is the best approach to binding commands in a ViewModel to elements in the View?

    - by Micah
    Anyone who has tried to implement RoutedCommands in WPF using M-V-VM has undoubtedly run into issues. Commands (non-UI commands that is) should be implemented in the ViewModel. For instance if I needed to save a CustomerViewModel then I would implement that as a command directly on my CustomerViewModel. However if I wanted to pop up a window to show the users addresses I would implement a ShowCustomerAddress command directly in the view since this a UI specific function. How do I define the command bindings in the viewmodel, and use them in the view?

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  • Why can't I share a variable between two content sections in an ASP.NET MVC View?

    - by Dave Van den Eynde
    I have an ASP.NET MVC View with the typical TitleContent and MainContent, with a fairly complicated title that I want to calculate once and then share between these two content sections, like so: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<dynamic>" %> <% var complicatedTitle = string.Format("{0} - {1}", Model.FirstThing, Model.SecondThing); %> <asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server"> <%: complicatedTitle %> </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <h2><%: complicatedTitle %></h2> </asp:Content> This, however, doesn't work, as the resulting error message would say that only Content controls are allowed directly in a content page that contains Content controls. The calculation definately belongs in the view. How do you solve this problem?

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  • Visual Studio web tests: Can a coded webtest be run through the Web Test Editor run view?

    - by Frank Rosario
    Hello, Full disclosure, I'm new to Visual Studio Web Tests and coding for them. I've written a webtest; coded in VB; it runs great. Our QA engineer wants to use this script for performance testing; but he wants the nice GUI that comes when you build a WebTest with the VS WebTest Editor and run it. Is there a way to run a coded webtest through this view? He wants to be able to view each test as it runs to see which pages are having issues, but within the GUI he's used to. Alternatively, I know I could just code something that writes out to a log file; but before I go with that solution; I just wanted to see if this is possible. Any constructive input is greatly appreciated.

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