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• Tricky CSS Layout

  - by Meep3D

  So I am making a website with quite a problematic layout. There are four corner images TL, TR, BL and BR indicated by black blocks. The dark orange area is the main content (to a width of 960px), with the outside area denoted by the green arrow as the browser window. See diagram: The top image represents the site at its narrowest possible - it shouldn't be allowed to be narrower than this (960px) if it is larger than the defined area there should be no scrollbars. The bottom two images represent different widths of browser. The bottom left and right black blocks (images) should be at the bottom left and right of the screen at all times, unless the width falls to 960px, in which case the BL and BR images should poke into the main area slightly. If the site is shrunk to, say 200px, the BR image should not still be poking in the right corner. At this point I don't really care about it working exactly in IE6 (I can get it roughly working) but I can't even figure out how to do it fully without Javascript or extremely experimental CSS. Currently I am using absolutely positioned div's which sort of work, but don't work quite right. I think I'd be willing to accept a bit of JS if there is no other way but I'd rather not. Answer very appreciated!

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• Max Value of a Multiway Tree in OCaml

  - by Trigork

  I'm an IT Student and kind of a newbie to OCaml Recently, studying for an exam I found this exercise. Given: type 'a tree = Tree of 'a * 'a tree list Define a function mtree : 'a tree -'a, that returns the greatest value of all the nodes in a multiway tree, following the usual order relation in OCaml (<=) I've come to do something like this below, which, of course, is not working. let rec mtree (Tree (r, sub)) = let max_node (Tree(a, l1)) (Tree(b, l2)) = if a >= b then (Tree(a, l1)) else (Tree(b, l2)) in List.fold_left max_node r sub;; After reading an answer to this I'm posting the fixed code. let rec mtree (Tree(r,sub)) = let max_node (Tree(a, l1)) (Tree(b, l2)) = if a >= b then a else b in List.fold_left (max_node) r (List.map mtree sub);; The idea is the same, fold the list comparing the nodes making use of my local function to do so and travel through the tree by calling the function itself over the nodes lists of the consecutive levels. Is still not working, though. Now complains about max_node in the fold_left part. Error: This expression has type 'a tree -> 'a tree -> 'a but an expression was expected of type 'a tree -> 'a tree -> 'a tree And here I'm definitely lost because I can't see why does it expects to return an 'a tree

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• How would you solve this graph theory handshake problem in python?

  - by Zachary Burt

  I graduated college last year with a degree in Psychology, but I also took a lot of math for fun. I recently got the book "Introductory Graph Theory" by Gary Chartrand to brush up on my math and have some fun. Here is an exercise from the book that I'm finding particularly befuddling: Suppose you and your husband attended a party with three other married couples. Several handshakes took place. No one shook hands with himself (or herself) or with his (or her) spouse, and no one shook hands with the same person more than once. After all the handshaking was completed, suppose you asked each person, including your husband, how many hands he or she had shaken. Each person gave a different answer. a) How many hands did you shake? b) How many hands did your husband shake? Now, I've been reasoning about this for a while, and trying to draw sample graphs that could illustrate a solution, but I'm coming up empty-handed. My logic is this: there are 8 different vertices in the graph, and 7 of them have different degrees. The values for the degrees must therefore be 0, 1, 2, 3, 4, 5, 6, and x. The # of degrees for one married couple is (0, 6). Since all graphs have an even number of odd vertices, x must be either 5, 3, or 1. What's your solution to this problem? And, if you could solve it in python, how would you do it? (python is fun.) Cheers.

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• How would you solve this graph theory handshake problem in python?

  - by Zachary Burt

  I graduated college last year with a degree in Psychology, but I also took a lot of math for fun. I recently got the book "Introductory Graph Theory" by Gary Chartrand to brush up on my math and have some fun. Here is an exercise from the book that I'm finding particularly befuddling: Suppose you and your husband attended a party with three other married couples. Several handshakes took place. No one shook hands with himself (or herself) or with his (or her) spouse, and no one shook hands with the same person more than once. After all the handshaking was completed, suppose you asked each person, including your husband, how many hands he or she had shaken. Each person gave a different answer. a) How many hands did you shake? b) How many hands did your husband shake? Now, I've been reasoning about this for a while, and trying to draw sample graphs that could illustrate a solution, but I'm coming up empty-handed. My logic is this: there are 8 different vertices in the graph, and 7 of them have different degrees. The values for the degrees must therefore be 0, 1, 2, 3, 4, 5, 6, and x. The # of degrees for one married couple is (0, 6). Since all graphs have an even number of odd vertices, x must be either 5, 3, or 1. What's your solution to this problem? And, if you could solve it in python, how would you do it? (python is fun.) Cheers.

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• How to handle ViewModel and Database in C#/WPF/MVVM App

  - by Mike B

  I have a task management program with a "Urgency" field. Valid values are Int16 currently mapped to 1 (High), 2 (Medium), 3 (Low), 4 (None) and 99 (Closed). The urgency field is used to rank tasks as well as alter the look of the items in the list and detail view. When a user is editing or adding a new task they select or view the urgency in a ComboBox. A Converter passes Strings to replace the Ints. The urgency collection is so simple I did not make it a table in the database, instead it is a, ObservableCollection(Int16) that is populated by a method. Since the same screen may be used to view a closed task the "Closed" urgency must be in the ItemsSource but I do not want the user to be able to select it. In order to prevent the user from being able to select that item in the ComboBox but still be able to see it if the item in the database has that value should I... Manually disable the item in the ComboBox in code or Xaml (I doubt it) Change the Urgency collection from an Int16 to an Object with a Selectable Property that the isEnabled property of the ComboBoxItem Binds to. Do as in 2 but also separate the urgency information into its own table in the database with a foreign key in the Tasks table None of the above (I suspect this is the correct answer) I ask this because this is a learning project (My first real WPF and first ever MVVM project). I know there is rarely one Right way to do something but I want to make sure I am learning in a reasonable manner since it if far harder to Unlearn bad habits Thanks Mike

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• ListView item background via custom selector

  - by Gil

  Is it possible to apply a custom background to each Listview item via the list selector? The default selector specifies @android:color/transparent for the state_focused="false" case, but changing this to some custom drawable doesn't affect items that aren't selected. Romain Guy seems to suggest in this answer that this is possible. I'm currently achieving the same affect by using a custom background on each view and hiding it when the item is selected/focused/whatever so the selector is shown, but it'd be more elegant to have this all defined in one place. For reference, this is the selector I'm using to try and get this working: <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_focused="false" android:drawable="@drawable/list_item_gradient" /> <!-- Even though these two point to the same resource, have two states so the drawable will invalidate itself when coming out of pressed state. --> <item android:state_focused="true" android:state_enabled="false" android:state_pressed="true" android:drawable="@drawable/list_selector_background_disabled" /> <item android:state_focused="true" android:state_enabled="false" android:drawable="@drawable/list_selector_background_disabled" /> <item android:state_focused="true" android:state_pressed="true" android:drawable="@drawable/list_selector_background_transition" /> <item android:state_focused="false" android:state_pressed="true" android:drawable="@drawable/list_selector_background_transition" /> <item android:state_focused="true" android:drawable="@drawable/list_selector_background_focus" /> </selector> And this is how I'm setting the selector: <ListView android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="fill_parent" android:listSelector="@drawable/list_selector_background" /> Thanks in advance for any help!

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• Getting an Error Trying to Create an Object in Python

  - by Nick Rogers

  I am trying to create an object from a class in python but I am getting an Error, "e_tank = EnemyTank() TypeError: 'Group' object is not callable" I am not sure what this means, I have tried Google but I couldn't get a clear answer on what is causing this error. Does anyone understand why I am unable to create an object from my EnemyTank Class? Here is my code: #Image Variables bg = 'bg.jpg' bunk = 'bunker.png' enemytank = 'enemy-tank.png' #Import Pygame Modules import pygame, sys from pygame.locals import * #Initializing the Screen pygame.init() screen = pygame.display.set_mode((640,360), 0, 32) background = pygame.image.load(bg).convert() bunker_x, bunker_y = (160,0) class EnemyTank(pygame.sprite.Sprite): e_tank = pygame.image.load(enemytank).convert_alpha() def __init__(self, startpos): pygame.sprite.Sprite.__init__(self, self.groups) self.pos = startpos self.image = EnemyTank.image self.rect = self.image.get_rect() def update(self): self.rect.center = self.pos class Bunker(pygame.sprite.Sprite): bunker = pygame.image.load(bunk).convert_alpha() def __init__(self, startpos): pygame.spriter.Sprite.__init__(self, self.groups) self.pos = startpos self.image = Bunker.image self.rect = self.image.get_rect() def getCollisionObjects(self, EnemyTank): if (EnemyTank not in self._allgroup, False): return False self._allgroup.remove(EnemyTank) result = pygame.sprite.spritecollide(EnemyTank, self._allgroup, False) self._allgroup.add(EnemyTank) def update(self): self.rect.center = self.pos #Setting Up The Animation x = 0 clock = pygame.time.Clock() speed = 250 allgroup = pygame.sprite.Group() EnemyTank = allgroup Bunker = allgroup e_tank = EnemyTank() bunker = Bunker()5 #Main Loop while True: for event in pygame.event.get(): if event.type == QUIT: pygame.quit() sys.exit() screen.blit(background, (0,0)) screen.blit(bunker, (bunker_x, bunker_y)) screen.blit(e_tank, (x, 0)) pygame.display.flip() #Animation milli = clock.tick() seconds = milli/1000. dm = seconds*speed x += dm if x>640: x=0 #Update the Screen pygame.display.update()

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• How do I make C++/wxWidgets code accessible to a wxPython app?

  - by Jon Cage

  I have a code library which is written in C++ and makes extensive use of the wxWidgets library. I'm now trying to wrap my library (currently using SWIG) so that it's callable from wxPython, but I've hit a wall: ------ Build started: Project: MyLibLib, Configuration: Release_SWIG_OutputForBin Win32 ------ Performing Custom Build Step In order to function correctly, please ensure the following environment variables are correctly set: PYTHON_INCLUDE: C:\Python26\include PYTHON_LIB: C:\Python26\libs\python26.lib d:\MyProject\Software\MyLib\trunk\MyLib>C:\swigwin-2.0.0\swig.exe -python d:\MyProject\Software\MyLib\trunk\MyLibLib\MyLib.i d:\MyProject\Software\MyLib\trunk\MyLib>if errorlevel 1 goto VCReportError d:\MyProject\Software\MyLib\trunk\MyLib>goto VCEnd Compiling... MyLib_wrap.c C:\wxWidgets-2.8.10\include\wx/wxchar.h(886) : warning C4273: '_snprintf' : inconsistent dll linkage c:\Program Files\Microsoft Visual Studio 9.0\VC\include\stdio.h(358) : see previous definition of '_snprintf' C:\wxWidgets-2.8.10\include\wx/buffer.h(127) : error C2061: syntax error : identifier 'wxCharBuffer' C:\wxWidgets-2.8.10\include\wx/buffer.h(127) : error C2059: syntax error : ';' C:\wxWidgets-2.8.10\include\wx/buffer.h(127) : error C2449: found '{' at file scope (missing function header?) C:\wxWidgets-2.8.10\include\wx/buffer.h(127) : error C2059: syntax error : '}' C:\wxWidgets-2.8.10\include\wx/buffer.h(127) : error C2059: syntax error : ')' C:\wxWidgets-2.8.10\include\wx/buffer.h(129) : error C2061: syntax error : identifier 'wxWritableCharBuffer' C:\wxWidgets-2.8.10\include\wx/buffer.h(129) : error C2059: syntax error : ';' C:\wxWidgets-2.8.10\include\wx/buffer.h(129) : error C2059: syntax error : ':' C:\wxWidgets-2.8.10\include\wx/buffer.h(134) : error C2061: syntax error : identifier 'wxWCharBuffer' C:\wxWidgets-2.8.10\include\wx/buffer.h(134) : error C2059: syntax error : ';' C:\wxWidgets-2.8.10\include\wx/buffer.h(134) : error C2449: found '{' at file scope (missing function header?) C:\wxWidgets-2.8.10\include\wx/buffer.h(134) : error C2059: syntax error : '}' C:\wxWidgets-2.8.10\include\wx/buffer.h(134) : fatal error C1004: unexpected end-of-file found Build log was saved at "file://d:\MyProject\Software\MyLib\trunk\MyLib\Release_SWIG_OutputForBin\BuildLog.htm" MyLibLib - 13 error(s), 1 warning(s) ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ========== Is there a particular way I should be going about this? I spent some time googling for similar errors, but got none which suggests I'm probably barking up the wrong tree here...? [Edit] Is a dll and ctypes the answer?

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• Webforms MVP Passive View - event handling

  - by ss2k

  Should the view have nothing event specific in its interface and call the presenter plain methods to handle events and not have any official EventHandlers? For instance // ASPX protected void OnSaveButtonClicked(object sender, EventArgs e) { _Presenter.OnSave(); } Or should the view have event EventHandlers defined in its interface and link those up explicitly to control events on the page // View public interface IView { ... event EventHandler Saved; ... } // ASPX Page implementing the view protected override void OnInit(EventArgs e) { base.OnInit(e); SaveButton.Click += delegate { Saved(this, e); }; } // Presenter internal Presenter(IView view,IRepository repository) { _view = view; _repository = repository; view.Saved += Save; } The second seems like a whole lot of plumbing code to add all over. My intention is to understand the benefits of each style and not just a blanket answer of which to use. My main goals is clarity and high value testability. Testability overall is important, but I wouldn't sacrifice design simplicity and clarity to be able to add another type of test that doesn't lead to too much gain over the test cases already possible with a simpler design. If a design choice does off more testability please include an example (pseudo code is fine) of the type of test it can now offer so I can make my decision if I value that type of extra test enough. Thanks!

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• ASP.NET MVC GoogleBot Issues

  - by Khalid Abuhakmeh

  I wrote a site using ASP.NET MVC, and although it is not completely SEO optimized at this point I figured it is a good start. What I'm finding is that when I use Google's Webmaster Tools to fetch my site (to see what a GoogleBot sees) it sees this. HTTP/1.1 200 OK Cache-Control: public, max-age=1148 Content-Type: application/xhtml+xml; charset=utf-8 Expires: Mon, 18 Jan 2010 18:47:35 GMT Last-Modified: Mon, 18 Jan 2010 17:07:35 GMT Vary: * Server: Microsoft-IIS/7.0 X-AspNetMvc-Version: 2.0 X-AspNet-Version: 2.0.50727 X-Powered-By: ASP.NET Date: Mon, 18 Jan 2010 18:28:26 GMT Content-Length: 254 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title> Index </title> </head> <body> </body> </html> Obviously this is not what my site looks like. I have no clue where Google is getting that HTML from. Anybody have an answer and a solution? Anybody experience the same issues? Thanks in advance.

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• MKMapKit custom annotations being added to map, but are not visible on the map

  - by culov

  I learned a lot from the screencast at http://icodeblog.com/2009/12/21/introduction-to-mapkit-in-iphone-os-3-0/ , and ive been trying to incorporate the way he creates a custom annotation into my iphone app. He is hardcoding annotations and adding them individually to the map, whereas i want to add them from my data source. So i have an array of objects with a lat and a lng (ive checked that the values are within range and ought to be appearing on the map) that i iterate through and do [mapView addAnnotation:truck] once this process is completed, i check the number of annotations on the map with [[mapView annotations] count] and its equal to the number it ought to be, so all the annotations are getting added onto the mapView, but for some reason I cant see any annotations in the simulator. I've compared my code with his in all the pertinent places many times, but nothing seems to stand out as being incorrect. Ive also reviewed my code for the last several hours trying to find a point where I do something wrong, but nothing is coming to mind. The images are named just as they are assigned in the custom AnnotationView, the loadAnnotation function is done properly, etc... i dont know what it could be. so i suppose if i could have the answer to one question it would be, what are possible causes for a mapView to contain several annotations, but to not show any on the map? Thanks

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• Quantis Quantum Random Number Generator (QRNG) - any reviews?

  - by Tim Post

  I am thinking about getting one of these (PCI) to set up an internal entropy pool similar to this service who incidentally brought us fun captcha challenges. Prior to lightening my wallet, I'm hoping to gather feedback from people who may be using this device. As there is no possible 'correct' answer, I am making this CW and tagging it as subjective. I'm undertaking a project to help write Monte Carlo simulations for a non profit that distributes mosquito nets in Malaria stricken areas. The idea is to model areas to determine the best place to distribute mosquito nets. During development, I expect to consume gigs if not more of the RNG output. We really need our own source. Is this device reliable? Does it have to be re-started often? Is its bandwidth really as advertised? It passes all tests, as far as randomness goes (i.e. NIST/DIEHARD). What I don't want is something in deadlock due to some ioctl in disk sleep that does nothing but radiate heat. This is not a spamvertisement, I'm helping out of pocket and I really, really want to know if such a large purchase will bear fruit. I can't afford to build a HRNG based on radioactive decay, this looks like the next best thing. Any comments are appreciated. I will earn zero rep for this, please do not vote to close. This is no different than questions regarding the utilization of some branded GPU for some odd purpose. Answers pointing to other solutions will be gladly accepted, I'm not married to this idea.

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• XtraGrid Suite - is there a way to add a button or hyperlink to a cell?

  - by calico-cat

  I'm working with the XtraGrid Suite made by DevExpress. I can't find any sort of functionality to do this, but I'm curious if you can add a button or hyperlink to a grid cell. Context: I've got an Events list. Each Event has a Time, Start/End, and a Category (Utility and Maintenance). There can be Start events and Stop events. Having done my analysis of the problem, I've decided that having a StartTime and EndTime for each event would not work. So if an event starts, I'd record the current time to the Event object, and set it as a 'Start' event. I'd like to add a "Stop" button/hyperlink to a cell in that row. If the user wishes to log an Ends event, the event type, etc would be copied to a new Event with the type 'Stop' and the button would disappear. I hope this makes sense. EDIT: Aaronaught's answer is actually better than what I was originally asking (a button) so I've updated the question. That way, anyone looking for putting a hyperlink in a cell can benefit from his example : )

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• How do I shrink a matrix using an array mask in MATLAB?

  - by Pyrolistical

  This seems to be a very common problem of mine: data = [1 2 3; 4 5 6]; mask = [true false true]; mask = repmat(mask, 2, 1); data(mask) ==> [1; 4; 3; 6] What I wanted was [1 3; 4 6]. Yes I can just reshape it to the right size, but that seems the wrong way to do it. Is there a better way? Why doesn't data(mask) return a matrix when it is actually rectangular? I understand in the general case it may not be, but in my case since my original mask is an array it always will be. Corollary Thanks for the answer, I just also wanted to point out this also works with anything that returns a numeric index like ismember, sort, or unique. I used to take the second return value from sort and apply it to every column manually when you can use this notion to do it one shot.

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• "Admin module" taking over [Yii framework]

  - by Flavius

  Hi I have an "admin" module and I want it to serve "dynamic controllers", i.e. to provide a default behaviour for controllers which don't really exist ("virtual controllers"). I've invented a lightweight messaging mechanism for loose communication between modules. I'd like to use it such that when e.g. ?r=admin/users/index is requested, it will call the "virtual controller" "UserController" of AdminModule, which would, by default, use this messaging mechanism to notify the real module "UsersModule" it can answer to the request. I thought about simulating this behaviour in AdminModule::init(), but at that point I have no way of deciding whether the action can be processed by a real controller or not, or at least I don't know how to do it. This is because of the way Yii works: bottom-up, the controller is the one that renders the view AND the application layout (or the module's, if it exists), for example. I don't think the module even has a word to say about handling a given controller+action or not. To recap, I'm looking for a kind of CWebModule::missingController($controllerId,$actionId), just like CController::missingAction($actionId), or a workaround to simulate that. That would possibly be in CWebModule::init() or somewhere where I can find out whether the controller actually exists, in which case it's his job to handle it the $actionID and $controllerID whether the module $controllerID exists (I didn't type it wrong, in r=admin/users/index, "users" is the actual module, as specified in the application's config).

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• Calling up DockPanel-Suite's "AutoHidden" DockContent programmatically

  - by Lockszmith

  I am having trouble causing an 'autohide' dock to appear programmatically. Couldn't find any answer around the net, though the following SO Question suggested that .Show() should have done the trick I've tried this on the latest NuGet version of the code. My test code is below. Anyone know how to do it? or what I'm doing wrong? My test Code Create a simple Visual Studio Windows Form application, and replace the main form's source file content with this code: using System; using System.Windows.Forms; using dps = WeifenLuo.WinFormsUI.Docking; namespace testDockPanel { public partial class Form1 : Form { private dps.DockPanel dockPanel; private dps.DockContent dc; private Control innerCtrl; public Form1() { InitializeComponent(); dockPanel = new dps.DockPanel(); dockPanel.Dock = DockStyle.Fill; dockPanel.DocumentStyle = dps.DocumentStyle.DockingWindow; toolStripContainer1.ContentPanel.Controls.Add(dockPanel); dc = new dps.DockContent(); dc.DockPanel = dockPanel; dc.DockState = dps.DockState.DockRightAutoHide; innerCtrl = new WebBrowser() { Dock = DockStyle.Fill }; dc.Controls.Add( innerCtrl ); // This SHOULD show the autohide-dock, but NOTHING happens. dc.Show(); } } }

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• When programatically creating a new IIS web site, how can I add it to an existing application pool?

  - by Ian Robinson

  I have successfully automated the process of creating a new IIS website, however the code I've written doesn't care about application pools, it just gets added to DefaultAppPool. However I'd like to add this newly created site to an existing application pool. Here is the code I'm using to create the new website. var w3Svc = new DirectoryEntry(string.Format("IIS://{0}/w3svc", webserver)); var newsite = new object[] { serverComment, new object[] { serverBindings }, homeDirectory }; var websiteId = w3Svc.Invoke("CreateNewSite", newsite); site.Invoke("Start", null); site.CommitChanges(); <update Although this is not directly related to the question, here are some sample values being used above. This might help someone understand exactly what the code above is doing more easily. webServer: "localhost" serverComment: "testing.dev" serverBindings: ":80:testing.dev" homeDirectory: "c:\inetpub\wwwroot\testing\" </update If I know the name of the application pool that I'd like this web site to be in, how can I find it and add this site to it? <update 2 I've added the following based on Mark's answer below. var appPool = new DirectoryEntry(string.Format("IIS://{0}/w3svc/AppPools/{1}", webServer, appPoolName)); site.Properties["AppPoolId"].Value = appPool; I seem to have moved passed the "RPC" error message I was initially receiving. Now this is the error message I'm receiving: Error: System.Runtime.InteropServices.COMException (0x8000500C): Exception from HRESULT: 0x8000500C at System.DirectoryServices.Interop.UnsafeNativeMethods.IAds.PutEx(Int32 lnControlCode, String bstrName, Object vProp) at System.DirectoryServices.PropertyValueCollection.set_Value(Object value) at ProvisionIISWebsite.Query.CreateWebsite(String webServer, String serverComment, String serverBindings, String homeDirectory, String appPoolName) in C:\Users\irobinson\My Projects\ProvisionIISWebsite\Query.cs:line 104 at ProvisionIISWebsite.Query.Handle_GetData(EngineBase& caller, Boolean isSubQuery, String query, String filterField, String filterText, Debugger& debugWriter, Boolean isRendered, Int32 timeout, String customConnection) in C:\Users\irobinson\My Projects\ProvisionIISWebsite\Query.cs:line 36 </update 2

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• Consume a WCF Web Service in Sharepoint Services 3.0

  - by Filip Ekberg

  I've seen this question and since it doesn't answer my question and the topic is fairly miss-leading in my opinion, I feel the urge to ask this again. I have a Sharepoint Webpart that I deploy using Visual Studio Sharepoint Tools 1.2 to a Sharepoint Services 3.0 instance on my local Windows 2003 server. All works great, however, as soon as I add a WCF Service it won't run the code. All I get is a File not found error. I've added this to my Web.Config which is a copy of App.Config <system.serviceModel> <bindings> <basicHttpBinding> <binding name="BasicHttpBinding_Services_xxxService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Mtom" textEncoding="utf-8" transferMode="Buffered" useDefaultWebProxy="true"> <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /> <security mode="None"> <transport clientCredentialType="None" proxyCredentialType="None" realm="" /> <message clientCredentialType="UserName" algorithmSuite="Default" /> </security> </binding> </basicHttpBinding> </bindings> <client> <endpoint address="http://localhost:1196/xxxService.svc" binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_ervices_xxxgService" contract="xxxService.TestService" name="BasicHttpBinding_ServicesxxxService" /> </client> </system.serviceModel> I cannot even do using(var proxy = new xxService.TestService()), If that line is added, the new dll is not added to Sharepoint Services. Any suggestions? I also found this blog post and this forum thread, don't think they are too helpful though.

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• How to insert inline content from one FlowDocument into another?

  - by Robert Rossney

  I'm building an application that needs to allow a user to insert text from one RichTextBox at the current caret position in another one. I spent a lot of time screwing around with the FlowDocument's object model before running across this technique - source and target are both FlowDocuments: using (MemoryStream ms = new MemoryStream()) { TextRange tr = new TextRange(source.ContentStart, source.ContentEnd); tr.Save(ms, DataFormats.Xaml); ms.Seek(0, SeekOrigin.Begin); tr = new TextRange(target.CaretPosition, target.CaretPosition); tr.Load(ms, DataFormats.Xaml); } This works remarkably well. The only problem I'm having with it now is that it always inserts the source as a new paragraph. It breaks the current run (or whatever) at the caret, inserts the source, and ends the paragraph. That's appropriate if the source actually is a paragraph (or more than one paragraph), but not if it's just (say) a line of text. I think it's likely that the answer to this is going to end up being checking the target to see if it consists entirely of a single block, and if it does, setting the TextRange to point at the beginning and end of the block's content before saving it to the stream. The entire world of the FlowDocument is a roiling sea of dark mysteries to me. I can become an expert at it if I have to (per Dostoevsky: "Man is the animal who can get used to anything."), but if someone has already figured this out and can tell me how to do this it would make my life far easier.

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• Code Golf: 1x1 black pixel

  - by Joey Adams

  Recently, I used my favorite image editor to make a 1x1 black pixel (which can come in handy when you want to draw solid boxes in HTML cheaply). Even though I made it a monochrome PNG, it came out to be 120 bytes! I mean, that's kind of steep. 120 bytes. For one pixel. I then converted it to a GIF, which dropped the size down to 43 bytes. Much better, but still... Challenge The shortest image file or program that is or generates a 1x1 black pixel. A submission may be: An image file that represents a 1x1 black pixel. The format chosen must be able to represent larger images than 1x1, and cannot be ad-hoc (that is, it can't be an image format you just made up for code golf). Image files will be ranked by byte count. A program that generates such an image file. Programs will be ranked by character count, as usual in code golf. As long as an answer falls into one of these two categories, anything is fair game.

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• Maven deploy:deploy-file not found due to version/timestamp appended to jar

  - by JamesC

  I'm having a problem using deploy:deploy-file with snapshots I'd like some advice on please. I have 2 projects; 1) Ant based and 2) the other Maven based that consumes the jars of the other project via Archiva. I've added a target to the Ant project to deploy snapshots on every successful build during our iteration. The problem is the Maven project cannot find them because the name of the dependency has a timestamp appended like so: someJar-1.0-20100407.171211-1.jar Here is the Ant target: <exec executable="${maven.bin}" dir="../lib"> <arg value="deploy:deploy-file" /> <arg value="-DgroupId=com.my.package" /><arg value="-DartifactId=${ant.project.name}" /> <arg value="-Dversion=${manifest.implementation.version}-SNAPSHOT" /> <arg value="-Dpackaging=jar" /> <arg value="-Dfile=../lib/${ant.project.name}-${manifest.implementation.version}-SNAPSHOT.jar" /> <arg value="-Durl=http://archiva.xxx.com/archiva/repository/snapshots" /> <arg value="-DrepositoryId=snapshots" /> </exec> I have a similar Ant target for releases and this works fine. Other pure Maven projects which deploy snapshosts via mvn deploy work fine. Does anyone know where I am going wrong? Thank You Update Figured out the answer, see below.

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• Simple iPhone drawing app with Quartz 2D

  - by Mr guy 4

  I am making a simple iPhone drawing program as a personal side-project. I capture touches event in a subclassed UIView and render the actual stuff to a seperate CGLayer. After each render, I call [self setNeedsLayout] and in the drawRect: method I draw the CGLayer to the screen context. This all works great and performs decently for drawing rectangles. However, I just want a simple "freehand" mode like a lot of other iPhone applications have. The way I thought to do this was to create a CGMutablePath, and simply: CGMutablePathRef path; -(void)touchBegan { path = CGMutablePathCreate(); } -(void)touchMoved { CGPathMoveToPoint(path,NULL,x,y); CGPathAddLineToPoint(path,NULL,x,y); } -(void)drawRect:(CGContextRef)context { CGContextBeginPath(context); CGContextAddPath(context,path); CGContextStrokePath(context); } However, after drawing for more than 1 second, performance degrades miserably. I would just draw each line into the off-screen CGLayer, if it were not for variable opacity! The less-than-100% opacity causes dots to be left on the screen connecting the lines. I have looked at CGContextSetBlendingMode() but alas I cannot find an answer. Can anyone point me in the right direction? Other iPhone apps are able to do this with very good efficiency.

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• Get Alfresco extension properties with OpenCMIS

  - by AJPerez

  I'm writing an OpenCMIS based application, which extracts some data from Alfresco 3.3. It works fine with standard CMIS properties such as cmis:name or cmis:contentStreamMimeType; however, I can't access Alfresco especific properties, which are present on the CMIS AtomPub feed as "Alfresco extensions": <cmisra:object> <cmis:properties> <cmis:propertyString propertyDefinitionId="cmis:name" displayName="Name" queryName="cmis:name"> <cmis:value>test document</cmis:value> </cmis:propertyString> <cmis:propertyString propertyDefinitionId="cmis:contentStreamMimeType" displayName="Content Stream MIME Type" queryName="cmis:contentStreamMimeType"> <cmis:value>text/html</cmis:value> </cmis:propertyString> ... <alf:aspects> ... <alf:properties> <cmis:propertyString propertyDefinitionId="cm:description" displayName="Description" queryName="cm:description"> <cmis:value>This is just a test document</cmis:value> </cmis:propertyString> </alf:properties> </alf:aspects> </cmis:properties> </cmisra:object> Is there any way in which I can get the value of cm:descripcion, with OpenCMIS? My guess is that I need to use the DocumentType interface instead of Document, and then call its getExtensions() method. But I don't know how to get an instance of DocumentType. Any help would be really appreciated. Regards Edit: altough Florian's answer already worked out for me, I've just realized that I can get these properties' values with CMIS SQL, too: select d.*, t.*, a.* from cmis:document d join cm:titled t on d.cmis:objectid = t.cmis:objectid join cm:author a on d.cmis:objectid = a.cmis:objectid where t.cm:description like ...

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• Problem Rendering SIFR with revision 436 on IE6 and IE7

  - by Mark

  Hi, I seem to have a problem with SIFR3. I'm using version 436 and from all my testing it appears to be a problem associated with IE6 and IE7 as I cannot replicate the issue in Firefox, Chrome, Safari for Windows, or even IE8. The problem is occurring on my company's website and can be seen here: http://www.wyldeia.co.uk/blog.php When you first go to the page in IE6 or IE7 it appears to render fine. However if you click away onto another page and then click the back button in the browser, all of the text is replaced by an error saying "Rendered with sIFR3 revision 436". If you refresh the page, then the problem goes away, that is until you browse away and come back again. I've tried this on two separate machines both running IE7.0.6000.16809, and a further separate machine running IE6 which I then upgraded to IE8. I thought initially it might be Flash player related but on upgrading from version 9 to 10 of the flash player the problem remains. Further digging around indicated that the error can be caused by having a corrupted flash font file, or having one present that was generated with a previous revision of SIFR3. However I have exported the flash font file using the supplied fla with revision 436 but the problem remains. Usually I like to track the answer down myself but as it is I'm at a bit of a loss on this one so if anyone has any ideas what might be happening here then I would be very grateful! Regards, Mark

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• AVFoundation: Video to OpenGL texture working - How to play and sync audio?

  - by j00hi

  I've managed to load a video-track of a movie frame by frame into a OpenGL texture with AVFoundation. I followed the steps described in the answer here: iOS4: how do I use video file as an OpenGL texture? and took some code from the GLVideoFrame sample from WWDC2010 which can be downloaded here: http://bit.ly/cEf0rM How do I play the audio-track of the movie synchronously to the video. I think it would not be a good idea to play it in a separate player, but to use the audio-track of the same AVAsset. AVAssetTrack* audioTrack = [[asset tracksWithMediaType:AVMediaTypeAudio] objectAtIndex:0]; I retrieve a videoframe and it's timestamp in the CADisplayLink-callback via CMSampleBufferRef sampleBuffer = [self.readerOutput copyNextSampleBuffer]; CMTime timestamp = CMSampleBufferGetPresentationTimeStamp( sampleBuffer ); where readerOutput is of type AVAssetReaderTrackOutput* How to get the corresponding audio-samples? And how to play them? Edit: I've looked around a bit and I think, best would be to use AudioQueue from the AudioToolbox.framework using the approach described here: AVAssetReader and Audio Queue streaming problem There is also an audio-player in the AVFoundation: AVAudioPlayer. But I don't know exactly how I should pass data to it's initWithData-initializer which expects NSData. Furthermore I don't think it's the best choice for my case because a new AVAudioPlayer-instance would have to be created for every new chunk of audio samples, as I understand it. Any other suggestions? What's the best way to play the raw audio samples which i get from the AVAssetReaderTrackOutput?

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