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  • Android insertImage and the Gallery Application

    - by Steve Jones
    I am adding a bmp file to the media store using the line below ContentResolver cr = getContentResolver(); Uri uri = Uri.parse(MediaStore.Images.Media.insertImage(cr, bmp, "name", "now")); I then go to the gallery application and it shows the image, but shows it under "Camera Pictures". Is there a way to change this to its own group, perhaps to its own group? Do I need a custom content provider for this? Thanks.

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  • Data view web part throwing error

    - by Ashutosh Singh
    Hi I'm using a xslt based dataview webpart the steps i have taken to create a data view webpart is that 1. added a list view webpart on the page 2. Modified the toolbar property to show fulll toolbar 3. open the web page containing above list view webpart in sharepoint desginer and converted it to xslt based webpart (to make further changes in UI) 4. saved the page and previewed in browser in browser web part was throwing the error while i was able to see it properly in desginer witout any error the error maesseged shown in webpart was: ** Unable to display this Web Part. To troubleshoot the problem, open this Web page in a Windows SharePoint Services-compatible HTML editor such as Microsoft Office SharePoint Designer. If the problem persists, contact your Web server administrator. ** the error message provided in sharepoint log file was : 05/12/2010 17:56:29.54 w3wp.exe (0x19FC) 0x1E9C Windows SharePoint Services Web Parts 89a1 Monitorable Error while executing web part: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.SharePoint.WebPartPages.DataFormWebPart.ResolveParameterValuesToXsl(ArgumentClassWrapper argList) at Microsoft.SharePoint.WebPartPages.DataFormWebPart.PrepareAndPerformTransform() 05/12/2010 17:56:29.62 w3wp.exe (0x19FC) 0x1E9C Windows SharePoint Services Web Controls 88wy Medium SPDataSourceView.ExecuteSelect() - selectArguments: IsEmpty=True, MaximumRows=0, RetrieveTotalRowCount=False, SortExpression=, StartRowIndex=0, TotalRowCount=-1 05/12/2010 17:56:29.62 w3wp.exe (0x19FC) 0x1E9C Windows SharePoint Services Web Controls 88x2 Medium SPDataSourceView.ExecuteSelect() - formattedQuery = 1 05/12/2010 17:56:29.64 w3wp.exe (0x19FC) 0x1E9C Windows SharePoint Services Web Parts 89a1 Monitorable Error while executing web part: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.SharePoint.WebPartPages.DataFormWebPart.ResolveParameterValuesToXsl(ArgumentClassWrapper argList) at Microsoft.SharePoint.WebPartPages.DataFormWebPart.PrepareAndPerformTransform()

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  • Correct OOP design without getters?

    - by kane77
    I recently read that getters/setters are evil and I have to say it makes sense, yet when I started learning OOP one of the first things I learned was "Encapsulate your fields" so I learned to create class give it some fields, create getters, setters for them and create constructor where I initialize these fields. And every time some other class needs to manipulate this object (or for instance display it) I pass it the object and it manipulate it using getters/setters. I can see problems with this approach. But how to do it right? For instance displaying/rendering object that is "data" class - let's say Person, that has name and date of birth. Should the class have method for displaying the object where some Renderer would be passed as an argument? Wouldn't that violate principle that class should have only one purpose (in this case store state) so it should not care about presentation of this object. Can you suggest some good resources where best practices in OOP design are presented? I'm planning to start a project in my spare time and I want it to be my learning project in correct OOP design..

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  • Call bindings for DependencyObject when DependencyProperites are changed

    - by melculetz
    Is there a way to notify a DependencyObject's bindinigs when the inner DependencyProperties have changed? For example, I have this class: public class BackgroundDef : DependencyObject { public static readonly DependencyProperty Color1Property = DependencyProperty.Register("Color1", typeof(Color), typeof(Background), new UIPropertyMetadata(Colors.White)); public static readonly DependencyProperty UseBothColorsProperty = DependencyProperty.Register("UseBothColors", typeof(bool), typeof(Background), new UIPropertyMetadata(false)); public static readonly DependencyProperty Color2Property = DependencyProperty.Register("Color2", typeof(Color), typeof(Background), new UIPropertyMetadata(Colors.White)); public Color Color1 { set { SetValue(Color1Property, value); } get { return (Color)GetValue(Color1Property); } } public bool UseBothColors { set { SetValue(UseBothColorsProperty, value); } get { return (bool)GetValue(UseBothColorsProperty); } } public Color Color2 { set { SetValue(Color2Property, value); } get { return (Color)GetValue(Color2Property); } } } For which I have 3 separate two-way bindings that set the values for Color1, Color2 and UseBothColors. But I also have a binding for a BackgroundDef instance, which should create a Brush and draw the background of a button (either a single color, or two gradient colors). My problem is that the two-way bindings for the DependencyProperties update the properties, but the binding for the class instance is not called, as apparently the entire object does not change. Any idea how I could call the bindings for the DependencyObject when the DependencyProperties are changed?

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  • Cocoa memory management

    - by silvio
    At various points during my application's workflow, I need so show a view. That view is quite memory intensive, so I want it to be deallocated when it gets discarded by the user. So, I wrote the following code: - (MyView *)myView { if (myView != nil) return myView; myView = [[UIView alloc] initWithFrame:CGRectZero]; // allocate memory if necessary. // further init here return myView; } - (void)discardView { [myView discard]; // the discard methods puts the view offscreen. [myView release]; // free memory! } - (void)showView { view = [self myView]; // more code that puts the view onscreen. } Unfortunately, this methods only works the first time. Subsequent requests to put the view onscreen result in "message sent to deallocated instance" errors. Apparently, a deallocated instance isn't the same thing as nil. I thought about putting an additional line after [myView release] that reads myView = nil. However, that could result in errors (any calls to myView after that line would probably yield errors). So, how can I solve this problem?

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  • How to extract digit from the string using regex?

    - by Harikrishna
    I will have a different type of string(string will not have fixed format,they will be different every time) from them I want to remove some specific substring.Like the string can be OPTIDX 26FEB2009 NIFTY CE 2500 OPTIDX NIFTY 30 Jul 2009 4600.00 PE OPTSTK ICICIBANK 30 Jul 2009 700.00 PA I want to extract Rs.(digit) from those string and store it into one variable and then in those string there should not be Rs.(digit). What should be the regex for that to match Rupees ?

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  • JQuery how to resubmit form after ajax call success

    - by Steven Rosato
    I am using JQuery to perform form submission through an ajax request. I use form.submit(function() { if( success ) { return true; } validate(); //proceeds to an ajax call return false; } On request success I want to either proceed with form submission or user callback. Therefore, if the user callback is undefined, I will submit the form on form validation success (from my validate function). config = { successCallback: function() { success = true; form.submit(); //does not work } }; validate = function() { $.ajax( ... success: function(data) { //code logic config.successCallback(); } ); }; The ajax success callback will call config.successCallback() and if it was never overridden by the user, it would proceed to normal form submission. I tried using an instance variable (success) to make sure 'return true' would proceed to default form submission. Unfortunately this is not working. It seems that the 'return false' statement that prevents default form submission will neglect any further submit calls even if an instance variable was set. It only works after clicking the submit button another time (that makes it twice for it to work). Is there any workaround for this. I want to both use a user callback when provided but proceed with default form submission when not, and since I am using an ajax function to validate the form, the ajax success callback is complicating things.

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  • How to find the file format from binary data

    - by acadia
    Hello, We have a Oracle 9i database and OrderDetails table which has a column to store binary data for product images. These images can be viewed only using a 3rd party tool. I have no idea which 3rd party tool. and I have no idea of the format of the image. Is there anyway from the binary data we can find what format is the image? Thanks

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  • jQuery Countdown plugin and AJAX

    - by roman m
    I'm using jQuery Countdown plugin to implement a Countdown and call a webservice when timer expires. The problem is that I'm using AJAX on the page, and have to re-setup the Countdown on every AJAX request like so: var prm = Sys.WebForms.PageRequestManager.getInstance(); prm.add_endRequest(SetupTimer); /*Initial setup*/ $(document).ready(function() { SetupTimer(); }); function SetupTimer() { var serverTime = new Date(); var cutoffTime = new Date($("#<%= cutoffTime.ClientID %>").val()); serverTime.setHours(serverTime.getHours()); if (serverTime < cutoffTime) { $('#timer').countdown('destroy'); /*should work, but doesn't*/ $('#timer').countdown({ until: cutoffTime, serverTime: serverTime, onExpiry: OrderingEnded, format: 'yowdHMS' }); } else OrderingEnded(); } This, for some reason, creates a new instance of the Countdown on ever request, resulting in numerous calls to Webservice when Countdown expires. How do I make sure that only one instance of the Countdown exists at a time? EDIT found this in documentation, doesn't do it for me though $('#timer').countdown('destroy');

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  • Possible to open a text file in a MYSQL stored procedure?

    - by futureelite7
    Is it possible to open and read from a text file in a MYSQL stored procedure? I have a text file with a list of about 50k telephone numbers, and want to write a stored procedure that will open the file, read the 50k lines and store it as rows in a table. I cannot load the file directly using LOAD IN FILE as the table has additional columns that I have to set. Thanks!

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  • Find who's calling the method

    - by Marcos Placona
    Hi, I'd like to somehow find out which CFC is calling my method. I have a logging CFC which is called by many different CFC's. On this logging CFC there's a need to store which CFC called for the log. Whilst I could simply pass the CFC name as an argument to my log.cfc, I find this to be a repetitive task, that might not be necessary, if I somehow could find out "who's" calling the method on log.cfc Is there any programmatic way of achieving this? Thanks in advance

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  • iPhone niche applications

    - by user104295
    Hi there, we want to develop a small utility for the iPhone for a very small set of users... We're thinking about developing it with PhoneGap/html/javascript as we want to make it available under other mobile platforms. Given that it's only for a small number of users within a particular organisation, would we submit that to AppStore? Is App Store meant for general public applications? Any recommendations on how to approach this? thanks

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  • Free Large datasets to experiment with Hadoop

    - by Sundar
    Do you know any large datasets to experiment with Hadoop which is free/low cost? Any pointers/links related is appreciated. Prefernce: Atleast one GB of data. Production log data of webserver. Few of them which I found so far: http://dumps.wikimedia.org/enwiki/20100130/ http://wiki.freebase.com/wiki/Data_dumps http://aws.amazon.com/publicdatasets/ Also can we run our own crawler to gather data from sites e.g. Wikipedia? Any pointers on how to do this is appreciated as well.

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  • How to add custom Authentication Type in IIS7(.5)

    - by user312769
    I am busy developing a IHttpModule, which will do our custom authentication using our own credential store. I would like to know how to add a new custom Authentication Type to the list (Anonymous, Basic, Forms etc.) in InetMgr under Authentication and how I would know which Authenticaiton Type has been enabled in the IHttpModule class.

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  • Storing Preferences/One-to-One Relationships in Database

    - by LnDCobra
    What is the best way to store settings for certain objects in my database? Method one: Using a single table Table: Company {CompanyID, CompanyName, AutoEmail, AutoEmailAddress, AutoPrint, AutoPrintPrinter} Method two: Using two tables Table Company {CompanyID, COmpanyName} Table2 CompanySettings{CompanyID, utoEmail, AutoEmailAddress, AutoPrint, AutoPrintPrinter}

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  • How to delete data from multiple tables in sqlite?

    - by diana
    I am using sqlite database to store data. I have three tables: Invoice, InvRow, Invdetails. Relationsip between the tables are: Invoice.Id = InvRow.InvId InvRow.Id = Invdetails.RowId I need to delete related entries from three tables using a single query. How can I do that? Any help?

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  • How do I encrypt property values in Nant?

    - by Diego C.
    I need to store authentication information and I rather not have the password in plain text: <property name="user" value="theUser"/> <property name="password" value="secret"/> Has anyone figured out a way to encrypt property values in Nant? I've looked in Nant and Nantcontrib docs but no mention of encryption. I am considering going the route of creating my own Nant Task. Any suggestions?

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  • C++ Pointers, objects, etc

    - by Zeee
    It may be a bit confusing, but... Let's say I have a vector type in a class to store objects, something like vector, and I have methods on my class that will later return Operators from this vector. Now if any of my methods receives an Operator, will I have any trouble to insert it directly into the vector? Or should I use the copy constructor to create a new Operator and put this new one on the vector?

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  • Integrating a Custom Compiler with the Visual Studio IDE

    - by M.A. Hanin
    Background: I want to create a custom VB compiler, extending the "original" compiler, to handle my custom compile-time attributes. Question: after I've created my custom compiler and I've got an executable file capable of compiling VB code via the standard command-line interface, how do I integrate this compiler with the Visual Studio IDE? (such that pressing "compile" or "build" will make use of my compiler instead of the default compiler). EDIT: (Correct me if i'm wrong) From the reactions here, I see this question is a bit shocking, so I shall further explain my needs and background: .NET provides us with a great mechanism called Attributes. As far as I understand, making attributes apply their intended behavior upon the attributed element (assembly, module, class, method, etc.) - attributes must be reflected upon. So the real trick here is reflecting and applying behavior at the right spot. Lets take Serialization for example: We decorate a class with the Serializable attribute. We then pass an instance of the class to the formatter's Serialize method. The formatter reflects upon the instance, checking if it has the Serializable attribute, and acting accordingly. Now, if we examine the Synchronization, Flags, Obsolete and CLSCompliant attributes, then the real question is: who reflects upon them? At least in some cases, it has to be the compiler (and/or IDE). Therefore, it seems that if I wish to create custom attributes that change an element's behavior regardless of any specific consumer, i must extend the compiler to reflect upon them at compilation. Of course, these are not my personal insights: the book "Applied .NET Attributes" provides a complete example of creating a custom attribute and a custom C# compiler to reflect upon that attribute at compilation (the example is used to implement "java-style checked exceptions").

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  • remember the highlighted text in html page(add annotation to html page)

    - by ganapati hegde
    Hi, I have an HTML file, i am opening it with webkit,i want to develop an app, such that after opening it, i should be able to select some text and make it highlighted(say by pressing some button 'highlight text' ). And it should remember the highlighted text so that when i open it next time it should highlight the same text automatically...which information i got to store so that i can highlight the same in the next time ? any library is available which makes my work simple?

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  • how to pass datetime in session value to next page

    - by SmartDev
    Hi , I have textbox which is a date field . i need to store that in a session and pass that value to another page . im using sessions for that . can anyone tell how to convert it to date time and pass in a session . Example: Session["startdate"] = Convert.ToDateTime(textbox1.Text); is this the rite way. Thanks Sachin

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