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• Storing Templates and Object-Oriented vs Relational Databases

  - by syrion

  I'm designing some custom blog software, and have run into a conundrum regarding database design. The software requires that there be multiple content types, each of which will require different entry forms and presentation templates. My initial instinct is to create these content types as objects, then serialize them and store them in the database as JSON or YAML, with the entry forms and templates as simple strings attached to the "contentTypes" table. This seems cumbersome, however. Are there established best practices for dealing with this design? Is this a use case where I should consider an object database? If I should be using an object database, which should I consider? I am currently working in Python and would prefer a capable Python library, but can move to Java if need be.

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• Strategies for Error Handling in .NET Web Services

  - by Jarrod

  I have a fairly substantial library of web services built in .NET that I use as a data model for our company web sites. In most .NET applications I use the Global ASAX file for profiling, logging, and creating bug reports for all exceptions thrown by the application. Global ASAX isn't available for web services so I'm curious as to what other strategies people have come up with to work around this limitation. Currently I just do something along these lines: <WebMethod()> _ Public Function MyServiceMethod(ByVal code As Integer) As String Try Return processCode(code) Catch ex As Exception CustomExHandler(ex) 'call a custom function every time to log exceptions Return errorObject End Try End Function Anybody have a better way of doing things besides calling a function inside the Catch?

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• WPF Animate a Matrix using interpolation

  - by Mark

  I'm having a issue with my application that is using touch gestures to scale, translate and rotate my scene. I was using a TransformGroup which contained TranslateTransform, ScaleTransform and a RotateTransform but I could not get the movement correct, it always jumps and skips, so I moved to a MaxtrixTransform which I was able to use much easier to get my scene to be zoomable, rotatable and panable nicely. However, what I later found out was that you cannot animate smoothly (using interpolation) the values of a Matrix, for what reason I have no idea, but its part of the MSDN doco and the properties of the Matrix are not dependency properties anyways... Has anyone had any luck animating a matrix to make it smooth? The only idea(s) I have had is to animate a few different, custom DP which all have callbacks that I update the matrix from OR To convert the matrix to a set of Transform objects that I then animate and then afterwords convert back. Is there a smarter way to do this?

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• Privacy setting using Graph API

  - by Anthony

  Hello, I'm currently trying to se privacy setting on post I do through Graph API, code is: function graphStreamPublish(){ message1 = document.getElementById('message').value; FB.api('/me/feed', 'post', { message: message1 }, privacy: {value: "CUSTOM", friends: "SOME_FRIENDS", network: "1", allow: "204506204", deny: "515592311", function(response) { if (response && response.post_id) { alert('Post was not published.'); } else { alert('Post was published.'); } }); } Then I just call this function for the things I right on textarea: <center><textarea id="message" cols="50" rows="5">Test goes here!</textarea></center> <br /> <center><a href="" onclick="graphStreamPublish(); return false;">Post message now!</a></center> This does not work however woth the privacy part but works fine without. Am i doing something wrong? Thanks.

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• Multiple xmlns attributes affect page performance?

  - by Geuis

  We are working on adding some Facebook Connect functionality to our site. Part of their requirements for FB Connect require adding several additional xmlns attributes to the html element. We are likely going to have 5 or 6 of their custom attributes by the time we're done, and I want to know if this will negatively affect our page performance. I.e. will these be additional resources that the browser has to download? I have checked in Firebug and I don't see additional requests, but I don't know if that is because requests are not made by the browser, or if Firebug simply doesn't track them.

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• How to display a DateTime with chosen date parts, but in the order of the FormatProvider?

  - by Stephane

  I want to display the date in the order that the culture provides, but with the elements I want only. The DateTime.Tostring() method has a list of patterns that are very useful but I would like a very small change in it. The CultureInfo used in the following the following code are chosen as example, I don't want to rely on a specific list of CultureInfo, if possible var now = DateTime.Now; string nowString = now.ToString("m", CultureInfo.GetCultureInfo("en-us")); Console.WriteLine(nowString); nowString = now.ToString("m", CultureInfo.GetCultureInfo("fr-FR")); Console.WriteLine(nowString); displays : April 12 12 avril I would like a pattern that display the abbreviation of the month and the day, but that keeps the correct order from the specified CultureInfo. using the pattern "MMM dd" will always display the month's abbreviation first, followed by the day, breaking the french order for example. Any way to achieve that without too much custom code?

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• Root view controllers and modal dialogs

  - by Tony

  In a custom UIViewController, if I have a member UINavigationController that I initialize with self as the root view, like this: navController = [[UINavigationController alloc] initWithRootViewController:self]; then presenting a modal dialog does not hide the tab bar at the bottom of the screen. The result is that if the user switches to a different tab while a modal dialog is displayed, when they pop back to the tab that was displaying a modal dialog then subsequent calls to presentModalViewController do not display a modal dialog at all, even if I call dismissModalViewControllerAnimated as a result of the tab switch. If I initialize the UINavigationController with out setting self as the root controller, navigationController = [[UINavigationController alloc] init]; then the tab bar is hidden as expected. I've changed things in my program so that this isn't really an issue for me anymore, but I'm not sure that I understand why this is happening. Is it considered bad practice to have a navigation controller with self as the root, if the nav controller is going to be displaying modal dialogs?

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• Is there a SortedList<T> class in .net ? (not SortedList<Key,Value> which is actually a kind of Sort

  - by Brann

  I need to sort some objects according to their contents (in fact according to one of their properties, which is NOT the key and may be duplicated between different objects) .net provides two classes (SortedDictionnary and SortedList), and both are some kind of Dictionaries. The only difference (AFAIK) is that SortedDictionnary uses a binary tree to maintain its state whereas SortedList does not and is accessible via an index. I could achieve what I want using a List, and then using its Sort() method with a custom implementation of IComparer, but it wouldn't be time-efficient as I would sort the whole List each time I insert a new object, whereas a good SortedList would just insert the item at the right position. What I need is a SortedList class with a RefreshPosition(int index) to move only the changed (or inserted) object rather than resorting the whole list each time an object inside changes. Am I missing something obvious ?

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• jQuery AJAX converting variable string to html styled text

  - by sadmicrowave

  I've got an AJAX transmission of a variable string in my primary coding language (Visual FoxPro 9) that looks like this: AjaxResponse = CREATEOBJECT("Custom") lcMessage = "<li class='hello'>Hello</li>" AjaxResponse.AddProperty("Reply", lcMessage) Response.ContentType = "text/html" Response.Write(AjaxResponse.Reply) While using the jQuery function .ajax() I've created a success: function that looks like this: $.ajax({ url: 'index?Proc=GetUuserHistory', dataType: "html", success: function(data){ $("div#history-text").text(data); }; }); My problem is that the text inserting into 'div#history-text' is unformatted and contains the li tags still. I've tried substituting the .text for .prepend, .append, and .html with no luck...is there a way to convert this string back to html format after its been received using Ajax?

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• Template metaprogram converting type to unique number

  - by daramarak

  I just started playing with metaprogramming and I am working on different tasks just to explore the domain. One of these was to generate a unique integer and map it to type, like below: int myInt = TypeInt<AClass>::value; I want to know if this is at all possible, and in that case how. Because although I have learned much about exploring this subject I still have failed to come up with an answer. (P.S. A yes/no answer is much more gratifying than a c++ solution that doesn't use metaprogramming, as this is the domain that I am exploring)

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• How can I detect if the Solution is initializing using the DTE in a VisualStudio extension?

  - by justin.m.chase

  I am using the DTE to track when projects are loaded and removed from the solution so that I can update a custom Test Explorer extension. I then trigger a container discovery process. But when the solution is first loaded it does an asynchronous load of some projects and fires a lot of Project Added events. What I would really like to do is to ignore all of these events until the solution is done loading. I can't quite figure out the order of events such that I know for sure that this initialization process has completed. It would be really nice to be able to just query the solution object and ask it. Does anyone know if there is a property or interface or event that I can use to determine this?

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• How to think in data stores instead of databases?

  - by Jim

  As an example, Google App Engine uses data stores, not a database, to store data. Does anybody have any tips for using data stores instead of databases? It seems I've trained my mind to think 100% in object relationships that map directly to table structures, and now it's hard to see anything differently. I can understand some of the benefits of data stores (e.g. performance and the ability to distribute data), but some good database functionality is sacrificed (e.g. joins). Does anybody who has worked with data stores like BigTable have any good advice to working with them?

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• WordPress Problem with enqueing a script

  - by casben79

  I am trying to enqueue a script from the functions.php file for a custom theme. here is the code I am using: wp_enqueue_script('innerfade','correct/path/to/innerfade.js', array('jquery'), '', false); I also tried to hardcode from the the functions file like so: ?> <script type='text/javascript' src="correct/path/to/innerfade.js"></script> <?php and both are outputting the following: correct/path/to/innerfade.js'?ver=2.9.2 so It doesnt seem to be a wp_enqueue_script problem What I cannot seem to figure is where the hell is the comma after the .js is coming from, it is causing a dead link hence not loading the script, anyone have any ideas??

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• The Best solution to sending emails to group members in a social network.

  - by praveen

  I'm developing a social network in php. There is a feature to create custom groups by members and i want to enable the owner of the group to send emails in bulk to all group members. And most importantly i want to make sure that most mails are not going to end up in users' SPAM list. I'm using PHPMailer in my website What should be the best and affordable approach? These are the solutions i came up with. Pls include your own if possible. Using my servers' (hostgator.com) given SMTP server to send emails in bulk Using google apps SMTP (i have even setup SPF for this) Using a third-party to handle my outgoing messages (i.e: mailChimp, iContact ? do they provide APIs ? this is just my idea) Thanks in advance

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• LINQ to SQL Translation

  - by Ben

  Hi, Depending on how I map my linq queries to my domain objects, I get the following error The member 'member' has no supported translation to SQL. This code causes the error: public IQueryable<ShippingMethod> ShippingMethods { get { return from sm in _db.ShippingMethods select new ShippingMethod( sm.ShippingMethodID, sm.Carrier, sm.ServiceName, sm.RatePerUnit, sm.EstimatedDelivery, sm.DaysToDeliver, sm.BaseRate, sm.Enabled ); } } This code works fine: public IQueryable<ShippingMethod> ShippingMethods { get { return from sm in _db.ShippingMethods select new ShippingMethod { Id = sm.ShippingMethodID, Carrier = sm.Carrier, ServiceName = sm.ServiceName, EstimatedDelivery = sm.EstimatedDelivery, DaysToDeliver = sm.DaysToDeliver, RatePerUnit = sm.RatePerUnit, IsEnabled = sm.Enabled, BaseRate = sm.BaseRate }; } } This is my testmethod I am testing with: [TestMethod] public void Test_Shipping_Methods() { IOrderRepository orderRepo = new SqlOrderRepository(); var items = orderRepo.ShippingMethods.Where(x => x.IsEnabled); Assert.IsTrue(items.Count() > 0); } How does the way in which I instantiate my object affect the linq to sql translation? Thanks Ben

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• JDT: How to retrieve the correct IJavaElement to a corresponding RefactoringDescriptor?

  - by Chris

  I implement the IRefactoringExecutionListener interface in an Eclipse plug-in to get notified when the user refactors his code, so I can update a visual editor displaying corresponding UML Boxes accordingly. Now I have a RefactoringDescriptor and cannot manage to map it's information (project name as String, new name as String and resource path as IPath) to my model. My model is basically a Hashmap in which fully qualified names (String) of types are mapped instances of IJavaElement, or more precisely: IType. How can I "convert" between the two representations so I can update my model? Regards, Chris

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• Virtual camera/direct show filter for network stream

  - by Jeje

  Hi guys, i'm working with Flash Live Encoder. It's using camera for streaming video. Support forum say's that i can create custom direct show filter and stream data that i need. I cann't understand how direct show filter will display in the source list of the live encoder. I've tryed to use some commercial virtual camera and it work's fine, but it cann't use source from network stream. Summary. I have a several network streams. I think that i must to create virtual camera for each one. But if i find examples with direct show filter on C#, i cann't find for virtual camera.

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• Adobe Flex Charting SDK

  - by JonoB

  I have Flexbuilder installed, with SDK 3.2. I wanted to try upgrade my SDK to 3.3, so I downloaded it from http://opensource.adobe.com/wiki/display/flexsdk/Download+Flex+3, extracted to my directory, changed the project properties in FlexBuilder, and it mostly worked fine. The problem seems to be that the Charting Components are not included in the above SDK - so any of my custom chart components do not work and the project cannot be compiled. I'm not sure how to get around this - I assume that there must be a separate SDK for the charting components, but I have not been able to find it on Adobe's website. Any help greatly appreciated.

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• SSIS Script Component Testing Strategy

  - by Paul Kohler

  This question is in respect to the script component specifically. I am aware of ssisUnit etc… With simple SSIS Scripts Components, it’s sufficient to let basic testing flesh out issues, however I am working with a script that has grown in complexity over time. To better test the functionality I am considering abstracting the script logic into a DLL that gets deployed with the package, and then use the custom component in the script. The advantage is that the function will be more testable etc but it’s one more deployment artefact that needs to be managed. My question is, does anyone know of a better way to test such an SSIS script in a more isolated manner than to run the whole package and examine the output?

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• MOSS 2007 team site page title

  - by nav

  Hi, I'm trying to display the page title (html title) on the default.aspx page of a custom site template. The template is based on a MOSS team site template. All that displays is the URL of the page as the page title. Can I change the code in the default.aspx and/or the sites master page to define the title myself? Details of the deafult.aspx and default.master page as below: Thanks. Default.aspx: <asp:Content ContentPlaceHolderId="PlaceHolderPageTitle" runat="server"> <SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,multipages_homelink_text%>" EncodeMethod="HtmlEncode"/> - <SharePoint:ProjectProperty Property="Title" runat="server"/> </asp:Content> default.master <Title ID=onetidTitle><asp:ContentPlaceHolder id=PlaceHolderPageTitle runat="server"/></Title>

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• In Lisp, Avoid "Cannot open load file" when using require

  - by Jesse

  I am working on a custom .emacs file that I will be able to use on several different computers. I would like to be able to load a mode if it exists on the system. If it does not exist I would like Emacs to stop showing the error: File error: Cannot open load file, X. For example: (require 'darkroom-mode) Results in: File error: Cannot open load file, darkroom-mode I am using file-exists-p to test if certain other files exist but for this test I would assume I need to search my load-path. I am new to Lisp so this is stumping me.

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• Huge file in Clojure and Java heap space error

  - by trzewiczek

  I posted before on a huge XML file - it's a 287GB XML with Wikipedia dump I want ot put into CSV file (revisions authors and timestamps). I managed to do that till some point. Before I got the StackOverflow Error, but now after solving the first problem I get: java.lang.OutOfMemoryError: Java heap space error. My code (partly taken from Justin Kramer answer) looks like that: (defn process-pages [page] (let [title (article-title page) revisions (filter #(= :revision (:tag %)) (:content page))] (for [revision revisions] (let [user (revision-user revision) time (revision-timestamp revision)] (spit "files/data.csv" (str "\"" time "\";\"" user "\";\"" title "\"\n" ) :append true))))) (defn open-file [file-name] (let [rdr (BufferedReader. (FileReader. file-name))] (->> (:content (data.xml/parse rdr :coalescing false)) (filter #(= :page (:tag %))) (map process-pages)))) I don't show article-title, revision-user and revision-title functions, because they just simply take data from a specific place in the page or revision hash. Anyone could help me with this - I'm really new in Clojure and don't get the problem.

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• Geolocation Null in lat and long

  - by user1706989

  I have had issue today in one application where Geolocation is not working. Even on this page http://slaveryfootprint.org/survey/#where_do_you_live . When you enter a location , its showing null lattiude and longitude. Even though it search for autolocation, it can point the right location. and it happened all if a sudden today which was working fine since yestrday night and when I see in console it is returning null lat and long and null for city and I did not change the code at all. Did google map api changed something. or do I need to update jquery? http://maps.google.com/maps/api/js?v=3.4&sensor=false

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• Getting 'AJAX Control Toolkit is undefined' when setting the CombineScripts="true"

  - by Kumar

  I am getting AJAX Control Toolkit is undefined error when I have the CombineScripts="true" on the ToolkitScriptManager: <ajaxToolkit:ToolkitScriptManager ID="ToolkitScriptManager1" EnablePageMethods="false" ScriptMode="Release" LoadScriptsBeforeUI="false" runat="server" CombineScripts="true"> <CompositeScript> <Scripts> <asp:ScriptReference Path="~/JavaScript/jquery-1.4.1.min.js" /> <asp:ScriptReference Path="~/JavaScript/Custom.js" /> </Scripts> </CompositeScript> </ajaxToolkit:ToolkitScriptManager> But when I set the CombineScripts to false everything seems to work. Why is this happening?

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• Where are events in Cocoa Touch?

  - by yesenin

  Hi all! I learn Cocoa Touch several days, and today have stuck while looking for way to implement a custom event. Event that I can see in Connection Inspector for my UIView subclass. What I have: There are a UILabel and MyView:UIView on MainVindow. MyView contains a UISlider. Interfaces for Controller and MyView // Controller.h @interface Controller : NSObject { IBOutlet UILabel *label; IBOutlet MyView *myView; } // I suppose that there should be something like -(IBAction) changeLabelValue for myView event @end // MyView.h @interface MyView : UIView { IBOutlet UISlider *slider; float value; } - (IBAction) changeValue; //for slider "Changed Value" event What I want: Add something in MyView that allows it to rise a event after change value. Can anybody help me? My main area in programming is .NET and I begin think that its terminology is not appropriate for this case. Thanks.

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