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  • I am getting duplicates in UITableView, cellForRowAtIndexPath

    - by Martol1ni
    I am getting duplicates of my array, and wrongly displayed cells in this method: Here I am initializing the array, and adding it to the tableView: NSArray *sectionsArray = [NSArray arrayWithObjects: @"Location", @"Front Post", @"Front Fixing", @"Front Footplate", @"Rear Post", @"Read Fixing", @"Rear Footplate", @"Horizontal Bracing", @"Diagonal Bracing", @"Front Beam", @"Front Lock", @"Rear Beam", @"Rear Lock", @"Guard", @"Accessories", @"Comments", @"Off load ref", @"Loc Empty", @"Loc Affected", nil]; [_tableArray setObject:sectionsArray atIndexedSubscript:2]; [_tableView reloadData]; For some weird reason there are always the 4th object that is messed up, and is either duplicated, or do not have the views from IB. Here is the cellForRowAtIndexPath: method: - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { UITableViewCell *cell; if (indexPath.section == 2) { cell = [tableView dequeueReusableCellWithIdentifier:@"EntryCell"]; cell.tag = indexPath.row; UILabel *label = (UILabel *)[cell viewWithTag:3]; [label setText:[[_tableArray objectAtIndex:2] objectAtIndex:indexPath.row]]; } return cell; } I have logged the string [[_tableArray objectAtIndex:2] objectAtIndex:indexPath.row], and it logs the right string.

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  • Wherewith replace Dictionary.Where(p => p.Key is T)

    - by abatishchev
    I have a System.Collections.Generic.Dictionary<System.Web.UI.Control, object> where all keys can be either type of System.Web.UI.WebControls.HyperLink or type of System.Web.UI.WebControls.Label. I want to change Text property of each control. Because HyperLink doesn't implement (why??) ITextControl, I need to cast Label or HyperLink explicitly: Dictionary<Control,object> dic = .. dic .Where(p => p.Key is HyperLink) .ForEach(c => ((HyperLink)c).Text = "something") dic .Where(p => p.Key is Label) .ForEach(c => ((Label)c).Text = "something") Are there ways to workaround such approach?

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  • Value of Step-by-Step Asserts in Unit Tests

    - by Eric J.
    When writing unit tests, there are cases where one can create an Assert for each condition that could fail or an Assert that would catch all such conditions. C# Example: Dictionary<string, string> dict = LoadDictionary(); // Optional Asserts: Assert.IsNotNull(dict); Assert.IsTrue(dict.Count > 0); Assert.IsTrue(dict.ContainsKey("ExpectedKey")); // Condition actually interested in testing: Assert.IsTrue(dict["ExpectedKey"] == "ExpectedValue"); Is there value to a large, multi-person project in this kind of situation to add the "Optional Asserts"? There's more work involved (if you have lots of unit tests) but it will be more immediately clear where the problem lies. I'm using VS 2010 and the integrated testing tools but intend the question to be generic.

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  • Creating a Linux Desktop Envoriment

    - by Alon
    Suppose I want to create my own desktop envoriment for Linux, without X. Like Google with the Android did. Where do I start? Is it actually a normal application that just draws stuff, and starts after the kernel boot? And how does it draw it? Using OpenGL or is there something more generic? And graphics drivers, how is it going? You should develop custom graphics drivers for your desktop or it comes with the Linux kernel? Note: It's for normal PCs and not embedded devices. Thanks.

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  • How many SQL queries per HTTP request is optimal?

    - by Chris Kooken
    I know the answer to this question for the most part is "It Depends", however I wanted to see if anyone had some pointers. We execute queries each request in ASP.NET MVC. Each request we need to get user rights information, and Various data for the Views that we are displaying. How many is too much, I know I should be conscious to the number of queries i am executing. I would assume if they are small queries and optimized out, half-a-dozen should be okay? Am I right? What do you think?

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  • Block call in Ruby on Rails

    - by Mattias
    Hi, I'm trying to clean up my code and get rid of a lot of ugly hashes. In my views I define several actions like this: @actions = { :interest => {'Show interest', link_to(..), :disabled => true}, :follow => {'Follow this case', link_to(..)} ... } As these hashes grow, the maintainability decreases. I want to convert the above format to something like: actions do item :interest, 'Show interest', link_to(..), :disabled => true item :follow, 'Follow', link_to(..) ... end How do I structure my helper methods to allow this? Preferably the 'item'-method should only be available in the 'actions' block and not in the global scope. Thanks!

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  • Abstract class and operator!= in c++

    - by Alessandro Teruzzi
    Hi All, I have problem implementing the operator!= in a set class deriving from an abstact one. The code looks like this: class Abstract { public: //to make the syntax easier let's use a raw pointer virtual bool operator!=(const Abstract* other) = 0; }; class Implementation { SomeObject impl_; //that already implement the operator!= public: bool operator!=(const Abstract* other) { return dynamic_cast<Implementation*>(other)->impl_ != this->impl_; } }; This code works but it has the drawback to use dynamic_cast and I need to handle error in casting operation. This is a generic problem that occur when a function of a concrete class it is trying to using some internal information (not available at the abstract class level) to perform a task. Is there any better way to solve this kind of problem? Cheers

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  • gtk-sharp-2.0 hide/show external applications(processes)

    - by ziuciek
    Hi, maybe the topic isn't quite precise.. i want to write in c# (gtk#-2.0) an app which opens another app hidden and later shows that app. For now i know only how to open hidden app... in windows...: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Diagnostics; namespace do_kasacji { class Program { static void Main(string[] args) { ProcessStartInfo info = new ProcessStartInfo(); info.WindowStyle = ProcessWindowStyle.Minimized; info.FileName = "notepad"; using (Process pr = Process.Start(info)) { pr.WaitForExit(); } } } } Anyone knows how to change it so hat it would run in linux?

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  • How to extract data from Google Analytics and build a data warehouse (webhouse) from it?

    - by nkaur301
    I have click stream data such as referring URL, top landing pages, top exit pages and metrics such as page views, number of visits, bounces all in Google Analytics. I am required to build a data warehouse from scratch(which I believe is known as web-house) from this data. My questions are:- 1)Is it possible? Every day data increases (some in terms of metrics or measures such as visits and some in terms of new referring sites), how would the process of loading the warehouse go about? 2)What ETL tool would help me to achieve this? Pentaho I believe has a way to pull out data from Google Analytics, has anyone used it? How does that process go? Any references, links would be appreciated besides answers.

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  • Image GDI+ Error c#

    - by Argons
    First sorry for the english. I'm having an strange problem when I'm trying to save a bitmap ("Generic GDI+ error") from a picturebox in my win app, I know that this problem occurs when trying to save to a directory that has no permission, but in this case I'm trying to save it to a memoryStream. using (MemoryStream fotoStream = new MemoryStream()) { Bitmap imagen = picture1.Image as Bitmap; imagen.Save(fotoStream, imagen.RawFormat); //Error here byte[] array = fotoStream.ToArray(); fotoStream.Close(); } Any light on this?

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  • ExpressJS: What is the difference between app.local and res.local?

    - by aeyang
    I'm trying to learn Express and in my app I have middleware that passes the session object from the Request object to my Response object so that I can access it in my views: app.use((req, res, next) -> res.locals.session = req.session next() ) But app.locals is available to the view as well right? So is it the same if I do app.locals.session = req.session? Is there a convention for the types of things app.locals and res.locals are used for? I was also confused on what the difference is between res.render() and res.redirect()? When should each be used? Thanks for reading. Any help related to Express is appreciated!

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  • Migrating an Access Database into SharePoint 2007.

    - by Mike T
    To my surprise and delight I read that an adminsitrator can import (nearly directly) an Access 2007 database into a sharepoint site. Automagically, the database in transformed into lists and views with some table lookup thrown in for good measure. With Access 2007 installed on the client machine, even the forms and what not can still be reused. To me... this sounds to good to be true. Has anyone actually dones this? With all this good news, where is the bad stuff and pitfalls to this. Depending on the size of the database, wouldn't this some how "gum up the works" in the SharPoint database? Sources: http://madhurahuja.blogspot.com/2007/01/adding-data-to-sharepoint-l-ists-in.html http://social.technet.microsoft.com/Forums/en-US/sharepointadmin/thread/17745835-a861-4984-9f44-7291fdae7d07

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  • What is wrong with the below statement(C#3.0 / Lambda)

    - by Newbie
    what is wrong in the below Enumerable.Range(0, objEntityCode.Count - 1).Select(i => { options.Attributes[i] = new EntityCodeKey { EntityCode = objEntityCode[i].EntityCodes , OrganizationCode = Constants.ORGANIZATION_CODE }; }) .ToArray(); Throwing error The type arguments for method 'System.Linq.Enumerable.Select(System.Collections.Generic.IEnumerable, System.Func)' cannot be inferred from the usage. Try specifying the type arguments explicitly. But this works Enumerable.Range(0, objEntityCode.Count - 1).ToList().ForEach(i => { options.Attributes[i] = new EntityCodeKey { EntityCode = objEntityCode[i].EntityCodes , OrganizationCode = Constants.ORGANIZATION_CODE }; } ); Using C#3.0. Purpose: I am learning LINQ / LAMBDA and trying to do the same program in different way. Thanks.

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  • @media print display:none isn't working

    - by chris Frisina
    I have tried for over 3 weeks now with different implementations trying to get the right section to not display, and have the left section display at full width. Given that my research shows there is no easy or streamlined way to quickly render Print views without reviewing the print preview, I am asking for some help to figure this out. This is the current page im trying to get to work. This is what I want to happen. Please note that the width of the left side needs to extend the full width. the print media css that is not working is this: #gc { width: 100%; } #asideTrack { /* width: 100%;*/ display: none; } .asideTrack { /* width: 100%;*/ display: none; } .slideAside { /* width: 100%;*/ display: none; } #slideAside { display:none } Any suggestions?

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  • Several ways to call a windows batch file from another one or from prompt. Which one in which case?

    - by dim
    A windows batch file (called.bat or called.cmd) can be called from another batch file (caller.bat or caller.cmd) or interactive cmd.exe prompt in several ways: direct call: called.bat using call command: call called.bat using cmd command: cmd /c called.bat using start command: start called.bat I'm quite in trouble to differentiate their intended usage based on their help text: when to use which one? e.g. why I might use 'call' command instead of direct call. What's different? I'm interested on some summary report that analyze all 4 possibilities (and others if any missing) from various point of views: recommended use cases for which they are designed to fit, process spawning, execution context, environment, return code processing. Note: I'm using Windows XP SP3.

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  • Access a viewControllers View

    - by iFloh
    Hi, I am trying to get to grips with programmatically configuring views. I have a UIViewController and want to add a UIButton to its view. Well, I created the button: UIButton *newViewButton = [[UIButton alloc] initWithFrame:CGRectMake(baseX + viewPlusX, baseY + viewPlusY, viewWidth, viewHeight)]; [newViewButton setTitle:@"View" forState:UIControlStateNormal]; [newViewButton setTag:(int)key]; [newViewButton addTarget:myViewController action:@selector(viewButton:sender) forControlEvents:UIControlEventTouchUpInside]; but when trying to add it to the view [myViewController addSubview:newViewButton]; I get the error error: expected ':' before":" token any clue what I am doing wrong regards

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  • Add 64 bit offset to a pointer

    - by Novox
    In F#, there's the NativePtr module, but it seems to only support 32 bit offsets for its’ add/get/set functions, just like System.IntPtr does. Is there a way to add a 64 bit offset to a native pointer (nativeptr<'a) in F#? Of course I could convert all addresses to 64 bit integers, do normal integer operations and then convert the result again to nativeptr<'a, but this would cost additional add and imul instructions. I really want the AGUs to perform the address calculations. For instance, using unsafe in C# you could do something like void* ptr = Marshal.AllocHGlobal(...).ToPointer(); int64 offset = ...; T* newAddr = (T*)ptr + offset; // T has to be an unmanaged type Well actually you can't, because there is no "unmanaged" constraint for type parameters, but at least you can do general pointer arithmetic in a non-generic way. In F# we finally got the unmanaged constraint; but how do I do the pointer arithmetic?

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  • Problem in List<double[,]> (C#3.0)

    - by Newbie
    What is wrong with List<double> x = new List<double> { 0.0330, -0.6463, 0.1226, -0.3304, 0.4764, -0.4159, 0.4209, -0.4070, -0.2090, -0.2718, -0.2240, -0.1275, -0.0810, 0.0349, -0.5067, 0.0094, -0.4404, -0.1212 }; List<double> y = new List<double> { 0.4807, -3.7070, -4.5582, -11.2126, -0.7733, 3.7269, 2.7672, 8.3333, 4.7023,0,0,0,0,0,0,0,0,0 }; List z = new List{x,y}; Error: Argument '1': cannot convert from 'System.Collections.Generic.List' to 'double[,]' Help neded.(C#3.0)

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  • adding button to the navigation bar

    - by praseed
    hi friends, i have a problem while adding button to the navigation bar.. My application consist of two view controllers added to the viewControllers array of a tabBarController. Inturn this tabBarController is added to the viewControllers array of a navigationController. In one of the views i have a textfield for entering dates . On the tap of this textfield the datepicker will pop up. simultaneously i want to display a done button on the navigation bar. how can i do this... i tried using self.tabBarController.navigationController.navigationItem.rightBarButtonItem = self.doneButton; But this is not working... Pls help me out..

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  • How does one access subviews and handle groups of them?

    - by david
    If I want to manipulate a view I get it with [self viewWithTag:5];. Is there a better way to do this? Sometimes I need to manipulate a bunch of view (e.g. move them all out of the way. I do this by adding a UIView (e.g. UIView iHoldViews) and then adding the views, buttons, etc to this view. Then I can move the iHoldViews view and all its subviews move with it. Is there a better way to do this? (I have a feeling there is :) Maybe storing them in a NSArray or NSMutableDictionary ?

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  • Related Models in Rails 3

    - by Jack
    Hi, I am just starting my first Rails 3 project and am having some difficulties. I have two related models, projects and clients. I have set up the relationships as has_many and belongs_to. However in my projects views I can only access the client_id of the project. I would like to access the client's name and other parameters. I am sure that previously in rails, I could just use project.client.name, but this is not working. Is there a new feature of Rails 3 that I have missed? Cheers

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  • Image impending other elements in iphone app view!

    - by wayne
    Hi. If someone could help I have a view in my iphone app with an image, a label and a button. I have positioned the image at the back however when I run the simulator the image is all that is showing. I have done exactly the same thing with other views and they work fine but can't get this one to work. I have checked that the image is "send to back" and other elements are at the front. Still no good. Any advice would be much appreciated. Thanks

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  • C++ methods which take templated classes as argument.

    - by Nils
    I have a templated class Vector<class T, int N> Where T is the type of the components (double for example) and n the number of components (so N=3 for a 3D vector) Now I want to write a method like double findStepsize(Vector<double,2> v) {..} I want to do this also for three and higher dimensional vectors. Of course I could just introduce further methods for higher dimensions, but the methods would have a lot of redundant code, so I want a more generic solution. Is there a way to create a method which takes a templated class without further specializing it (in this case without specifying T or N)? Like double findStepsize(Vector<T,N> v) ?

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  • Getting URL of executing JavaScript file (IE6-7 problem mostly)...

    - by TooTallNate
    Hey all, I've been trying to throw together a generic function that retrieves the absolute URL of an executing JavaScript file on a web page: http://gist.github.com/433486 It works great in almost all the browsers I've tested (Firefox, Chrome, Safari, Opera v10 at least, and IE 8). It seems to fail, however, in IE 6 and 7. The callback function gets executed, but the retrieved name is simple the URL to the main HTML page, not the JavaScript file. So all I'm really asking is if there's some other way of getting the URL of the current JavaScript file (which could be IE 6 and 7 specific)? Thanks in advance!

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  • Upcasting in C#: Making a Fruit a Pear

    - by Adam Kane
    Why can't I upcast (?) a Fruit to a Pear? public static class PearGenerator { public static Pear CreatePear () { // Make a new generic fruit. Fruit genericFruit = new Fruit(); // Upcast it to a pear. (Throws exception: Can't cast a Fruit to a Pear.) Pear pear = (Pear)genericFruit; // Return freshly grown pear. return ( pear ); } } public class Fruit { // some code } public class Pear : Fruit { public void PutInPie () { // some code } } Thanks!

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