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  • Inheriting and overriding interfaces in C#

    - by Daniel A. White
    Please note: I am writing this question. I have these interfaces in a library/framework I am working on: interface IRepository<TKey,TModel> { void Remove(TModel entity); } interface IRepository<T> : IRepository<int, T> { } interface ISoftDeleteRepository<TKey,TModel> : IRepository<TKey, TModel> { } interface ISoftDeleteRepository<TModel> : ISoftDeleteRepository<int, TModel>, IRepository<TModel> { } and these implementations class Repository : IRepository { void Remove(TModel entity) { // actually Delete } } interface IRepository<T> : IRepository<int, T> { } interface ISoftDeleteRepository<TKey,TModel> : IRepository<TKey, TModel> { } interface ISoftDeleteRepository<TModel> : ISoftDeleteRepository<int, TModel>, IRepository<TModel> { }

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  • Loop through Array with conditional output based on key/value pair

    - by Daniel C
    I have an array with the following columns: Task Status I would like to print out a table that shows a list of the Tasks, but not the Status column. Instead, for Tasks where the Status = 0, I want to add a tag <del> to make the completed task be crossed out. Here's my current code: foreach ($row as $key => $val){ if ($key != 'Status') print "<td>$val</td>"; else if ($val == '0') print "<td><del>$val</del></td>"; } This seems to be correct, but when I print it out, it prints all the tasks with the <del> tag. So basically the "else" clause is being run every time. Here is the var_dump($row): array 'Task' => string 'Task A' (length=6) 'Status' => string '3' (length=1) array 'Task' => string 'Task B' (length=6) 'Status' => string '0' (length=1)

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  • android drawable changes sizes on screen when reading image from file

    - by Daniel Benedykt
    Hi I have an image on a private file. I read the file, create the drawable, and assign it to an ImageView. The ImageView has WRAP_CONTENT so the size is automatic. On 320x480 screens, the image looks good But on screens with more resolution and high density 480x800 or 480x854 (N1, droid) , when the image is for example 150x150, I see the image as 100x100. Of course it has something to do with the density but not sure how should I resolve this. This is my code: FileInputStream fis = this.openFileInput("icon.png"); icon = Drawable.createFromStream(fis, "icon"); fis.close(); imageView.setImageDrawable(icon); thanks

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  • UIRemoveNotificationType invalid conversion

    - by Daniel Wood
    Hi, I'm trying to use this fairly standard line of code in my app: [[UIApplication sharedApplication] registerForRemoteNotificationTypes:(UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound)]; But am receiving the follow error: error: invalid conversion from 'int' to 'UIRemoteNotificationType' It works if I only use one of the notification types but fails every time if I try and use more than one. Any ideas what I'm doing wrong?

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  • Core Data - Best way to save a "number of items"

    - by Daniel Granger
    The user will have a static list of items to choose from. Using a Picker View they will choose one of the items and then select how many of them they want. Whats the best way to save this in core data? A Struct? struct order { NSInteger item; NSInteger numberOf; }; Or some sort of relationship? Many Thanks

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  • Int property in class definition

    - by Daniel I-S
    I have the following class structure for custom UITableViewCells: NumericEntryCell - Contains method for controlling max value that can be entered into a textbox. SliderCell - inherits from NEC and contains methods for handling slider-control of textbox value TextOnlyCell - just contains a textbox CellA - inherits from SliderCell and has a max value of 28 CellB - inherits from TextOnlyCell and has a max value of 150. I want NumericEntryCell to contain a definition for a property that contains the maxValue. I want to be able to set a value for this in the initialize method of a child class (CellA or CellB). Currently I have an int maxValue declared in the interface of NEC. I declare a property for this with @property int maxValue and @synthesize it within the .m file. However, attempting to modify this property's value from CellA or CellB's initialize method has no effect - when I hit a breakpoint in the NEC method that uses this value, its value is always zero. How can I get this to work?

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  • Ensure User has entered string in correct format?

    - by Daniel Granger
    Hi, Whats the best way to ensure the user has entered a valid time string such as: 5:24 5.4 102:30 102.5 It will be entered into a UITextField therefore will be in a NSString. I want to allow the user to enter the time in either hours and minutes (hh:mm) or hours and decimal minutes (hh.m). In the hours minutes example they should be able to enter as many hours as the like but only between 0 - 59 minutes. With the hours decimal minutes I want them to only be able to enter again as many hours as the like but decimal minutes can only be 0 - 9. Many Thanks

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  • get metadata from jpg, dng and arw raw files

    - by Daniel
    I was wondering if anyone new how to get access the metadata (the date in particular) from jpg, arw and dng files. I've recently lost the folder structure after a merge operation gone-bad and would like to rename the recovered files according to the metadata. I'm planning on creating a little C++ app to dig into each file and get the metadata. any input is appreciated. ( alternatively, if you know of an app that already does this I'd like to know :)

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  • How do I load every UserForm without having to call .Show individually?

    - by Daniel Cook
    I wanted to figure out how you could load every UserForm without having to call Userform1.Show UserForm2.Show etc. This was inspired by comments on this answer: Excel VBA UserForm_Initialize() in Module. I found this method suggested in a few places: Sub OpenAllUserForms() Dim uf As UserForm For Each uf In UserForms uf.Show Next End Sub However, no Userforms display regardless of how many are attached to the workbook. When I stepped through the code I determined that the UserForms collection is empty! How can I load each Userform without having to explicitly show each one?

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  • How can I open another tab in the browser from the Code Behind [duplicate]

    - by Daniel Powell
    This question already has an answer here: Response.Redirect to new window 18 answers I have an ASP.Net project that I am working on that involves opening another tab in the browser from the vb.net (code behind). I have tried to use the WebBrowser control to open the new tab as well as tried to use the Script manager however I have not been able to open the new tab. The button I am using is a custom button in a DevExpress GridView, and I am handling its click with this code: Private Sub ASPxGridView2_CustomButtonCallback(sender As Object, e As DevExpress.Web.ASPxGridView.ASPxGridViewCustomButtonCallbackEventArgs) Handles ASPxGridView2.CustomButtonCallback If e.ButtonID <> "customButton" Then Return End If Dim neededID = ASPxGridView2.GetRowValues(e.VisibleIndex, "target") Dim id = CStr(neededID) Dim url = ("targetPage.aspx" + "?ID=" + id) Dim wb As WebBrowser wb.Navigate(url,True) End Sub I'm not sure why this would not work, any suggestions as to how I should open a new browser tab with or without the WebBrowser works for this project. EDIT: I cannot use javascript with this ASPxGridview So I need an answer that doesn't involve modification to the javascript except through the vb.net code behind

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  • Rewriting simple C# nested class

    - by Daniel
    What would be an elegant way to implement the functionality of this nested class in F#? private class Aliaser { private int _count; internal Aliaser() { } internal string GetNextAlias() { return "t" + (_count++).ToString(); } } This was my first attempt, but it feels like there should be a sexy one-liner for this: let aliases = (Seq.initInfinite (sprintf "t%d")).GetEnumerator() let getNextAlias() = aliases.MoveNext() |> ignore aliases.Current

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  • Get the number of packages transmitted per connection

    - by Daniel
    How do I get the number of packages transmitted per TCP connection? I am using Java, but i know I will have to fetch the number from the underlying OS, so this quastion applies to Linux and Windows operating systems and will have different answers for each of them, I assume. I need this information to profile the network load of an application which seems to send too many small packages by flushing the socket streams too often.

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  • Dealing with Struts2 float conversion type

    - by Daniel Calderon Mori
    I have a question regarding float type conversion in Struts2. I have a form that contains a serie of normal input elements. A serie of textfields with an add button by the side of each one is included in the window. Clicking on one of this buttons has the effect of adding an input type "hidden" inside the form with the value of its correspondent textfield. That value will often be a float number that, this is very important, uses the point format (example: 1.34). The inputs created look like this: <input class="hidden_material" type="hidden" name="form[0].cantidad_formulacion" value='1.34'"> <input class="hidden_material" type="hidden" name="form[1].cantidad_formulacion" value='1.54'"> Anyway, the whole proccess is made correctly until the data is used by the server after the form submission. The numbers are present as if the point wouldn't have been placed in the number (using the example above, as 134). If a comma is used (as in 1,34), there wouldn't be a problem. But that will not be the case with the users of the system. How could I solve this problem?

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  • ASP.NET MVC3 ValueProvider drops string input to a double property

    - by Daniel Koverman
    I'm attempting to validate the input of a text box which corresponds to a property of type double in my model. If the user inputs "foo" I want to know about it so I can display an error. However, the ValueProvider is dropping the value silently (no errors are added to the ModelState). In a normal submission, I fill in "2" for the text box corresponding to myDouble and submit the form. Inspecting controllerContext.HttpContext.Request.Form shows that myDouble=2, among other correct inputs. bindingContext.ValueProvider.GetValue("myDouble") == 2, as expected. The bindingContext.ModelState.Count == 6 and bindingContext.ModelState["myDouble"].Errors.Count == 0. Everything is good and the model binds as expected. Then I fill in "foo" for the text box corresponding to myDouble and submitted the form. Inspecting controllerContext.HttpContext.Request.Form shows that myDouble=foo, which is what I expected. However, bindingContext.ValueProvider.GetValue("myDouble") == null and bindingContext.ModelState.Count == 5 (The exact number isn't important, but it's one less than before). Looking at the ValueProvider, is as if myDouble was never submitted and the model binding occurs as if it wasn't. This makes it difficult to differentiate between a bad input and no input. Is this the expected behavior of ValueProvider? Is there a way to get ValueProvider to report when conversion fails without implementing a custom ValueProvider? Thanks!

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  • Reverse - Link Cell to Textbox

    - by Daniel
    I have 5 worksheets and a textbox on each worksheet. I would like all the textboxes to display the same value, which would be whatever the user enters in the first textbox. So once a value is entered in textbox1 on sheet1, textbox2 on sheet2, etc. will be populated with the same value. I'm looking for something like changing linkedcell =WorksheetName!textbox1 although I'm pretty sure that is incorrect.

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  • Mapping LINQ to SQL table to another very similar table without iterating through every one

    - by Daniel Coffman
    Apologies for the vague question. Here it is: I have a table object created by LINQ to SQL. I am copying entries from one table to an "archive" table that has all the columns of the original, plus a couple extra ones. It feels sloppy to iterate through every object and manually define the mapping like: foreach (oldTable in dbContextOldTables) { var newTable = new NewTable(); newTable.TableID = oldTable.ID; newTable.Title = oldTable.Title; ... (repeat for twenty columns) newTable.ColumnThatIsntInOldTable = "Data that will be the same for every row"; dbContext.NewTables.InsertOnSubmit(newTable); } dbContext.SubmitChanges(); Is there a clever way to do this?

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  • Wordpress: Does exists some simple code to retrieve the page when inserting the ID to form input?

    - by Daniel
    I would like to know if there's exists some simple code to get to the page i know its ID , I would like to create small input (no matter where in templates)from where the people can easily get to the page if they know it's page ID . I have the girls portfolio in wordpress - portfolio=pages x jobs in clubs offers=posts , I would like the girls portfolios to be easily searchable by ID(s) , if possible the same for the posts=jobs in clubs

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  • Automatically generating Guids in Sybase

    - by Daniel Dyson
    I have a table with 42 million records. 32 million have a null value and I would like to generate a new guid for each one. Should I do this in batches? Also, going forward, I would like a new guid added to the field on the insert of a new record. What is the best way to do this? The field is not the primary key, which is an auto-incrementing integer.

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  • VB.NET Incrementing Indexes

    - by Daniel
    Hello, I am having trouble incrementing the indexes of my list item properties. Here is the code. Dim i As Integer = 0 For x As Integer = 1 To list.Count / 19 database.ExecuteCommand("INSERT INTO Contacts VALUES ('" + _ list.Item(i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "', '" + _ list.Item(++i) + "')") Next The ++i does not increment at all in the parameters. Thanks

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  • telephone application programming on Linux

    - by Daniel Stevens
    I'm a Linux user looking to write a program which will pick up the phone, dial a number, play a recording and record what the person on the other end of the line says and save it to an audio file. I will want to use the modem that came with my computer if possible. What should I use to write this program?

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