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• Why is it bad to map network drives in Windows?

  - by Beeblebrox

  There has been some spirited discussion within our IT department about mapping network drives. In particular, it has been said that mapping network drives is A Bad Thing and that adding DFS paths or network shares to your (Windows Explorer/Libraries) Favourites is a far better solution. Why is this the case? Personally I find the convenience of z:\folder to be better than \\server\path\folder', particularly with cmd line and scripting (of course I'm not talking about hard-coded links, naturally!). I have tried searching for pros and cons of mapped network drives, but I haven't seen anything other than 'should the network go down, the drive will be unavailable'. But this is a limitation of any network-accessed storage... I have also been told that mapped network drives poll the network when the network resource is unavailable, however I haven't found more information on this. Wouldn't this still be an issue with other network access mechanisms (that is, mapped Favourites) whenever Windows tries to enumerate the file system (for example, when a file/folder picker dialog is opened)? -- Do network drives poll the network any more than a Windows Explorer library/favourite?

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• Change the background color of selected text in Google Docs to increase readability [migrated]

  - by gene_wood

  How can I override or change the background color of text selected in Google Docs? It is difficult for me to see the difference and I would like to increase the contrast or difference. After Google restyled Google Docs last year (or earlier this year), I've been unable to see selected text. It's possible this is a visual deficiency with my eyes. In Google Docs, under both Google Chrome (17.0.963.83 (Official Build 127885) m) and Firefox (11.0), when I select text inside a Google Doc, the selected text has a background of color #d6e0f5. Compare this to the default browser background color of #2f65c0. (I determined the color of the selected text background by taking a screenshot and using the color picker tool in Photoshop). I've tested this using a brand new Firefox profile as well as google chrome profile. Here's a section of a screenshot showing the selected text : I've tried using a userscript to override the CSS to go back to the default text selection color using the "Stylish" plugin with this css : ::selection { background:#2f65c0; color:#ffffff; } ::-moz-selection { background:#2f65c0; color:#ffffff; } ::-webkit-selection { background:#2f65c0; color:#ffffff; } This code works on other sites, but I'm unable to get it to work on Google Docs. (I tested on other sites but applying the userscript to a different domain and using bright yellow instead of the default dark blue #2f65c0.) When you use Google Docs, do you have the same color background for selected text or something different? (To test this, browse to docs.google.com , create a document, type text into the document, select the text with the mouse by dragging over it, take a screenshot, load the screenshot up in an image editor and determine the background color of the selected text.) This color differential (between light blue #d6e0f5 and white #fffff) may be easy to see for others and the problem lies with my eyes.

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• Silverlight DatePicker in DataGrid: Enter does not submit

  - by queen3

  I have DataGrid with DataGridTemplateColumn which has DatePicker as editing element: <data:DataGridTemplateColumn Header="Due date" CanUserSort="False" > <data:DataGridTemplateColumn.CellTemplate> <DataTemplate> <TextBlock Text="{Binding EndDateFormatted}" /> </DataTemplate> </data:DataGridTemplateColumn.CellTemplate> <data:DataGridTemplateColumn.CellEditingTemplate> <DataTemplate> <controls:DatePicker SelectedDate="{Binding EndDate, Mode=TwoWay}" /> </DataTemplate> </data:DataGridTemplateColumn.CellEditingTemplate> </data:DataGridTemplateColumn> The problem is that Enter key does not work at all when in textbox editing mode - just does nothing. Selecting date from dropdown panel works. Also, Tab does not keep value (reset to previous one), but with help of this I can fix it. But I don't know how to make Enter to accept value and preferably move to next cell. I also tried third-party date picker, no changes - same issues with Tab and Enter. Seems like a DataGrid issue. I use Silverlight 3.

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• WPF DatePicker IsEnabled property not changing appearance

  - by Jonathan

  I think I have found an issue with the DatePicker in the toolkit, perhaps some of you gurus can check it out. The issue is when setting the IsEnabled property of the DatePicker. If set in XAML, it stays grey even if you set the IsEnabled to true at run time. The same goes for the other way around should it start off being enabled. The button just changes the IsEnabled property of the date picker, you will see that when it becomes enabled, the style remains grayed out. <Window x:Class="WpfApplication3.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:tk="http://schemas.microsoft.com/wpf/2008/toolkit" Title="Window1" Height="300" Width="300"> <StackPanel> <tk:DatePicker x:Name="txtDate" IsEnabled="False"></tk:DatePicker> <Button Height="25" Click="Button_Click"></Button> </StackPanel> </Window> private void Button_Click(object sender, RoutedEventArgs e) { txtDate.IsEnabled = !txtDate.IsEnabled; }

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• Properly registering JavaScript and CSS in MVC 2 Editor Templates

  - by Jaxidian

  How do I properly register javascript blocks in an ASP.NET MVC 2 (RTM) Editor template? The specific scenario I'm in is that I want to use Dynarch JSCal2 DateTimePicker for my standard datetime picker, but this question is in general to any reusable javascript package. I have my template working properly now but it has my JS and CSS includes in my master page and I would rather only include these things if I actually need them: <link rel="stylesheet" type="text/css" href="../../Content/JSCal2-1.7/jscal2.css" /> <link rel="stylesheet" type="text/css" href="../../Content/JSCal2-1.7/border-radius.css" /> <script type="text/javascript" src="../../Scripts/JSCal2-1.7/jscal2.js"></script> <script type="text/javascript" src="../../Scripts/JSCal2-1.7/lang/en.js"></script> So obviously I could just put these lines into my template, but then if I have a screen that has 5 DateTimePickers, then this content would be duplicated 5 times which wouldn't be ideal. Anyways, I still want my View's Template to trigger this code being put into the <head> of my page. While it is completely unrelated to my asking this question, I thought I'd share my template on here (so far) in case it's useful in any way: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<DateTime>" %> <%= Html.TextBoxFor(model => Model) %> <input type="button" id="<%= ViewData.TemplateInfo.GetFullHtmlFieldId("cal-trigger") %>" value="..." /> <script type="text/javascript"> var <%= ViewData.TemplateInfo.GetFullHtmlFieldId("cal") %> = Calendar.setup({ trigger : "<%= ViewData.TemplateInfo.GetFullHtmlFieldId(string.Empty) %>", inputField : "<%= ViewData.TemplateInfo.GetFullHtmlFieldId(string.Empty) %>", onSelect : function() { this.hide(); }, showTime : 12, selectionType : Calendar.SEL_SINGLE, dateFormat : '%o/%e/%Y %l:%M %P' }); </script>

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• UIImagePickerController Save to Disk then Load to UIImageView

  - by Harley Gagrow

  Hi, I have a UIImagePickerController that saves the image to disk as a png. When I try to load the PNG and set a UIImageView's imageView.image to the file, it is not displaying. Here is my code: (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage]; NSData *imageData = UIImagePNGRepresentation(image); // Create a file name for the image NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setTimeStyle:NSDateFormatterShortStyle]; [dateFormatter setDateStyle:NSDateFormatterShortStyle]; NSString *imageName = [NSString stringWithFormat:@"photo-%@.png", [dateFormatter stringFromDate:[NSDate date]]]; [dateFormatter release]; // Find the path to the documents directory NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; // Now we get the full path to the file NSString *fullPathToFile = [documentsDirectory stringByAppendingPathComponent:imageName]; // Write out the data. [imageData writeToFile:fullPathToFile atomically:NO]; // Set the managedObject's imageLocation attribute and save the managed object context [self.managedObject setValue:fullPathToFile forKey:@"imageLocation"]; NSError *error = nil; [[self.managedObject managedObjectContext] save:&error]; [self dismissModalViewControllerAnimated:YES]; } Then here is how I try to load it: self.imageView.backgroundColor = [UIColor lightGrayColor]; self.imageView.frame = CGRectMake(10, 10, 72, 72); if ([self.managedObject valueForKey:@"imageLocation"] != nil) { NSLog(@"Trying to load the imageView with: %@", [self.managedObject valueForKey:@"imageLocation"]); UIImage *image = [[UIImage alloc] initWithContentsOfFile:[self.managedObject valueForKey:@"imageLocation"]]; self.imageView.image = image; } else { self.imageView.image = [UIImage imageNamed:@"no_picture_taken.png"]; } I get the message that it's trying to load the imageView in the debugger, but the image is never displayed in the imageView. Can anyone tell me what I've got wrong here? Thanks a bunch.

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• Which pattern should be used for editing properties with modal view controller on iPhone?

  - by Matthew Daugherty

  I am looking for a good pattern for performing basic property editing via a modal view on the iPhone. Assume I am putting together an application that works like the Contacts application. The "detail" view controller displays all of the contact's properties in a UITableView. When the UITableView goes into edit mode a disclosure icon is displayed in the cells. Clicking a cell causes a modal "editor" view controller to display a view that allows the user to modify the selected property. This view will often contain only a single text box or picker. The user clicks Cancel/Save and the "editor" view is dismissed and the "detail" view is updated. In this scenario, which view is responsible for updating the model? The "editor" view could update the property directly using Key-Value Coding. This appears in the CoreDataBooks example. This makes sense to me on some level because it treats the property as the model for the editor view controller. However, this is not the pattern suggested by the View Controller Programming Guide. It suggests that the "editor" view controller should define a protocol that the "detail" controller adopts. When the user indicates they are done with the edit, the "detail" view controller is called back with the entered value and it dismisses the "editor" view. Using this approach the "detail" controller updates the model. This approach seems problematic if you are using the same "editor" view for multiple properties since there is only a single call-back method. Would love to get some feedback on what approach works best.

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• VB.Net Custom Controls

  - by Paul

  This might be basic question, however I am confused on some .Net Concpets. I am trying to create a "Data Browser" in VB.net. Similar to a Web Browser however each Tab in the Data Browser is a view of some Data (from a database or flat files) not a webpage. The UI on each Tab is mostly the same. A list Box (showing datatypes, etc), a TextBox (where you can create a filter), and a DataGridView, a DataSource Picker, etc. The only thing that would change on each tab is that there could be a custom "Viewer". In most cases (depending on the datasource), this would be the datagrid, however in other cases it would be a treecontrol. From reading through the .Net documents, it appears that I need to Create a Custom Control (MyDataBrowser) Consisting of a Panel with all the common Controls (except the viewer). Every time the user says "New Tab", a new tabpage is created and this MyDataBrowser Control is added, The MyDataBrowser control would contain some function that was able to then create the approriate viewer based on the data at hand. If this is the suggested route, how is the best way to go about creating the MyDataBrowser Control (A) Is this a Custom Control Library? (B) Is this an Inhertited Form? (C) Is this an Inherrited User Control? I assume that I have to create a .DLL and add as a reference. Any direction on this would be appreciated. Does the custom Control have its own properties (I would like to save/load these from a configuration file). Is it possible to add a backgroundworker to this customcontrol? Thanks.

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• NSThread shared object issue

  - by Chris Beeson

  Hi, I'm getting an “EXC_BAD_ACCESS” but just can't work out why, any help would be massive - thank you in advance. The user takes a picture and I want to do some processing on it in another thread... - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { ... NSString *uid = [Asset stringWithUUID]; [_imageQueue setObject:img forKey:uid]; [NSThread detachNewThreadSelector:@selector(createAssetAsyncWithImage:) toTarget:self withObject:uid]; } Then the new thread -(void) createAssetAsyncWithImage:(NSString *)uid { NSAutoreleasePool * pool =[[NSAutoreleasePool alloc] init]; if ([_imageQueue objectForKey:uid]) { Asset *asset = [Asset createAssetWithImage:[_imageQueue objectForKey:uid]]; asset.uid = uid; [self performSelectorOnMainThread:@selector(asyncAssetCreated:) withObject:asset waitUntilDone:YES]; } [pool release]; } Which calls +(Asset *)createAssetWithImage:(UIImage *)img { .... UIImage *masterImg = [GraphicSupport createThumbnailFromImage:img pixels:img.size.height/2]; .... return newAsset; } And then this is where I keep getting the BAD_ACCESS +(UIImage *)createThumbnailFromImage:(UIImage *)inImage pixels:(float)pixels{ CGSize size = image.size; CGFloat ratio = 0; if (size.width > size.height) { ratio = pixels / size.width; } else { ratio = pixels / size.height; } CGRect rect = CGRectMake(0.0, 0.0, ratio * size.width, ratio * size.height); UIGraphicsBeginImageContext(rect.size); //NSAssert(image,@"image NULL"); [image drawInRect:rect]; return UIGraphicsGetImageFromCurrentImageContext(); } It's image that is giving me all the complaints... What am I doing wrong?? Many thanks in advance

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• SQL statement with datetimepicker

  - by David Archer

  This should hopefully be a simple one. When using a date time picker in a windows form, I want an SQL statement to be carried out, like so: string sql = "SELECT * FROM Jobs WHERE JobDate = '" + dtpJobDate.Text + "'"; Unfortunately, this doesn't actually provide any results because the JobDate field is stored as a DateTime value. I'd like to be able to search for all records that are on this date, no matter what the time stored may be, any help? New query: SqlDataAdapter da2 = new SqlDataAdapter(); SqlCommand cmd = new SqlCommand(); cmd.CommandText = "SELECT * FROM Jobs WHERE JobDate >= @p_StartDate AND JobDate < @p_EndDate"; cmd.Parameters.Add ("@p_StartDate", SqlDbType.DateTime).Value = dtpJobDate.Value.Date; cmd.Parameters.Add ("@p_EndDate", SqlDbType.DateTime).Value = dtpJobDate.Value.Date.AddDays(1); cmd.Connection = conn; da2.SelectCommand = cmd; da2.Fill(dt); dgvJobDiary.DataSource = dt; Huge thanks for all the help!

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• UIImagePickerController image editing not working

  - by Greg Reichow

  I am having a problem with implementing UIImagePickerController. When the controller loads, it displays modally, and allows the user to select the image. Good so far. Yet, then when it moves to the editing phase, it often displays somewhat corrupted view (the image cropping box is halfway off the top of the screen) and their is no image. It does not crash, but all UI interaction is blocked. The strange part is that this only happens when I compile with Release settings. Under debug compile settings, the image editing works fine! I have tried checking for memory warnings during this time, but none are showing up. Here is the code calling the image picker controller for reference. When I use the camera (the first method), it always works fine. It is just when selecting images from the Library (called from the second method below) does it fail as described above. And again, only on release build, and with various different types of images. - (IBAction) showCameraController:(id)sender { self.imagePicker =[[UIImagePickerController alloc] init]; self.imagePicker.sourceType=UIImagePickerControllerSourceTypeCamera; self.imagePicker.delegate=self; self.imagePicker.allowsEditing=YES; [self presentModalViewController:self.imagePicker animated:YES]; } - (IBAction) showPictureAlbumController:(id)sender { self.imagePicker =[[UIImagePickerController alloc] init]; self.imagePicker.sourceType=UIImagePickerControllerSourceTypePhotoLibrary; self.imagePicker.delegate=self; self.imagePicker.allowsEditing=YES; [self presentModalViewController:self.imagePicker animated:YES]; } The delegate methods are properly implemented, yet, during the problem I am describing, the controller is not yet calling those methods. It is failing when displaying the editing screen before the user is able to select cancel or save. It is just locking up with no crash. Please help!

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• Sending hidden fields via POST in iPhone in-app email

  - by Michael

  I'm letting my App's user send email from within the app to share some content on myserver. To do so I need to include a button with two bits of data and I want to use POST to keep it somewhat hidden. I've decided to add an html form using POST and two hidden fields in the email rather, like so: NSString *buttonCode = [NSString stringWithFormat:@"<form method='post' action='http://www.example.com/iphone/nifty.php'> <input type='hidden' name='dataOne' value='%@'> <input type='hidden' name='dataTwo' value='%@'> <input type='submit'value='Submit'></form>",dataOne, dataTwo]; NSString *emailBody = [NSString stringWithFormat: @"<b>%@ - %@</b>\n\n<HR WIDTH=200 SIZE=2 COLOR=#755f0f ALIGN=CENTER>\n Here is a email:<br><br>%@", dateString, timeString, buttonCode]; [picker setMessageBody:emailBody isHTML:YES]; I've confirmed by looking at the raw source of the email that the form is constructed correctly and I've copied and pasted it into a web page and it works. So here is the problem. When I click on the button in the received email (using apple's mail client) the dataOne and dataTwo variables don't get passed to my server. Is there a better way to do this or is the issue with my mail client?

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• Jeditable with jQuery UI Datepicker

  - by BrynJ

  I need to have a click to edit element on a page, that will in turn invoke an instance of the jQuery UI Datepicker. Currently, I'm using JEditable to provide the in place editing, which is working fine. However, I have a date control input that I would like to have appear as a calendar, which is where the fun starts. I've found a Comment in the this blog by Calle Kabo (the page is a little mashed unfortunately) that details a way to do this: $.editable.addInputType("datepicker", { element: function(settings, original) { var input = $("<input type=\"text\" name=\"value\" />"); $(this).append(input); return(input); }, plugin: function(settings, original) { var form = this; $("input", this).filter(":text").datepicker({ onSelect: function(dateText) { $(this).hide(); $(form).trigger("submit"); } }); } }); However, I can't get the above to work - no errors, but no effect either. I've tried placing it within the jQuery document ready function and also outside of it - no joy. My UI Datepicker class is date-picker and my Jeditable class is ajaxedit, I'm sure the above inaction is due to the need to reference them somehow in the code, but I don't know how. Also, the Jeditable control is one of many element ids, if that has a bearing. Any ideas from those more in the know?

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• TableView Cells unresponsive

  - by John Donovan

  I have a TableView and I wish to be able to press several cells one after the other and have messages appear. At the moment the cells are often unresponsive. I found some coed for a similar problem someone was kind enough to post, however, although he claimed it worked 100% it doesn't work for me. The app won't even build. Here's the code: -(UIView*) hitTest:(CGPoint)point withEvent:(UIEvent*)event { // check to see if the hit is in this table view if ([self pointInside:point withEvent:event]) { UITableViewCell* newCell = nil; // hit is in this table view, find out // which cell it is in (if any) for (UITableViewCell* aCell in self.visibleCells) { if ([aCell pointInside:[self convertPoint:point toView:aCell] withEvent:nil]) { newCell = aCell; break; } } // if it touched a different cell, tell the previous cell to resign // this gives it a chance to hide the keyboard or date picker or whatever if (newCell != activeCell) { [activeCell resignFirstResponder]; self.activeCell = newCell; // may be nil } } // return the super's hitTest result return [super hitTest:point withEvent:event]; } With this code I get this warning: that my viewController may not respond to pointsInside:withEvent (it's a TableViewController). I also get some faults: request for member 'visibleCells' in something not a structure or a union. incompatible type for argument 1 of pointInsideWithEvent, expression does not have a valid object type and similar. I must admit I'm not so good at reading other people's code but I was wondering whether the problems here are obvious and if so if anyone could give me a pointer it would be greatly appreciated.

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• Why Is Bottom Half of Custom UIActionSheet with UIDatePicker Disabled?

  - by Gorgando

  Everything seems to be working great with my UIActionSheet that contains a UIDatePicker except that the bottom half of the DatePicker is disabled. Visually there is a shadow that makes the bottom half of the picker darker than the top half. Everything in the bottom half is disabled and I can't for the life of me figure out how to enable it. I also noticed in my other "normal" UIActionSheets that just contain buttons, the bottom half of the cancel buttons are disabled. This is the code for my custom UIActionSheet: self.datePickerView = [[UIDatePicker alloc] init]; self.datePickerView.datePickerMode = UIDatePickerModeDate; self.actionSheet = [[UIActionSheet alloc] initWithTitle:@"Choose a Follow-up Date" delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:@"Done", nil]; [self.actionSheet showInView:self.view]; [self.actionSheet addSubview:self.datePickerView]; [self.actionSheet sendSubviewToBack:self.datePickerView]; [self.actionSheet setBounds:CGRectMake(0,0,320, 500)]; CGRect pickerRect = self.datePickerView.bounds; pickerRect.origin.y = -95; self.datePickerView.bounds = pickerRect; I've tried several things including sendSubviewToBack, BringSubviewToFront, etc but I have not had any luck. I appreciate your help!

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• UIImagePickerController causing sqlite errors (Simulator only)

  - by MrHen

  When I display a UIImagePickerController in a UIPopoverController the console outputs the following warnings: sqlite error 8 [attempt to write a readonly database] sqlite error 8 [attempt to write a readonly database] sqlite error 8 [attempt to write a readonly database] sqlite error 1 [no such column: duration] sqlite error 1 [no such column: duration] sqlite error 8 [attempt to write a readonly database] sqlite error 8 [attempt to write a readonly database] sqlite error 8 [attempt to write a readonly database] Here is the code that displays the picker: - (void)openImagePickerController:(id)sender { //TODO only open one at a time UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init]; //imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera; imagePicker.delegate = self; [self presentViewController:imagePicker sender:sender animated:YES modal:YES]; [imagePicker release]; } - (void)presentViewController:(UIViewController *)vc sender:(id)sender animated:(BOOL)animated modal:(BOOL)modal { BOOL useNavController = NO; //if((void *)UI_USER_INTERFACE_IDIOM() != NULL && if(UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) { //are we on an iPad? Class popoverClass = NSClassFromString(@"UIPopoverController"); if(!popoverClass) { useNavController = YES; } else { if(currentPopover == nil || currentPopover.contentViewController != vc) { if(currentPopover != nil) { [currentPopover dismissPopoverAnimated:animated]; [currentPopover.delegate popoverControllerDidDismissPopover:currentPopover]; } UIPopoverController *popover = [[popoverClass alloc] initWithContentViewController:vc]; currentPopover = popover; currentPopover.delegate = self; [popover presentPopoverFromBarButtonItem:sender permittedArrowDirections:UIPopoverArrowDirectionAny animated:animated]; } } //[aPopover release]; } else { useNavController = YES; } if(useNavController) { if(modal) { [self presentModalViewController:vc animated:animated]; } else { [self.view addSubview:vc.view]; } } } Stepping with the debugger shows that the errors occur after [UIPopoverController presentPopoverFromBarButtonItem:permittedArrowDirections:animated: runs. Of note: The program continues running just fine No noticeable weirdness in UIImagePickerController's behavior when selecting an image or canceling Happens in Simulator 3.2 Unable to reproduce on iPad running 3.2 Is this just another simulator bug?

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• Add fields to Django ModelForm that aren't in the model

  - by Cyclic

  I have a model that looks like: class MySchedule(models.Model): start_datetime=models.DateTimeField() name=models.CharField('Name',max_length=75) With it comes its ModelForm: class MyScheduleForm(forms.ModelForm): startdate=forms.DateField() starthour=forms.ChoiceField(choices=((6,"6am"),(7,"7am"),(8,"8am"),(9,"9am"),(10,"10am"),(11,"11am"), (12,"noon"),(13,"1pm"),(14,"2pm"),(15,"3pm"),(16,"4pm"),(17,"5pm"), (18,"6pm" startminute=forms.ChoiceField(choices=((0,":00"),(15,":15"),(30,":30"),(45,":45")))),(19,"7pm"),(20,"8pm"),(21,"9pm"),(22,"10pm"),(23,"11pm"))) class Meta: model=MySchedule def clean(self): starttime=time(int(self.cleaned_data.get('starthour')),int(self.cleaned_data.get('startminute'))) return self.cleaned_data try: self.instance.start_datetime=datetime.combine(self.cleaned_data.get("startdate"),starttime) except TypeError: raise forms.ValidationError("There's a problem with your start or end date") Basically, I'm trying to break the DateTime field in the model into 3 more easily usable form fields -- a date picker, an hour dropdown, and a minute dropdown. Then, once I've gotten the three inputs, I reassemble them into a DateTime and save it to the model. A few questions: 1) Is this totally the wrong way to go about doing it? I don't want to create fields in the model for hours, minutes, etc, since that's all basically just intermediary data, so I'd like a way to break the DateTime field into sub-fields. 2) The difficulty I'm running into is when the startdate field is blank -- it seems like it never gets checked for non-blankness, and just ends up throwing up a TypeError later when the program expects a date and gets None. Where does Django check for blank inputs, and raise the error that eventually goes back to the form? Is this my responsibility? If so, how do I do it, since it doesn't evaluate clean_startdate() since startdate isn't in the model. 3) Is there some better way to do this with inheritance? Perhaps inherit the MyScheduleForm in BetterScheduleForm and add the fields there? How would I do this? (I've been playing around with it for over an hours and can't seem to get it) Thanks! [Edit:] Left off the return self.cleaned_data -- lost it in the copy/paste originally

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• Passing an NSDate

  - by Garry

  I'm new to the iPhone and objective-c and I am still trying to get my head around ownership of objects so bear with me. I have a DOBViewController that has a datepicker on it. I have created a custom init method: -(id)initWithInitialDate(NSDate *)initialDate; Another view controller has a date instance declared (NSDate *dob) that holds a value. I would like to pass this to the DOBViewController so that it can scroll the datepicker to the passed value. Here is the custom init method: - (id)initWithInitialDate:(NSDate *)initialDate { // Initialise ourselves self = [super init]; // Set the date of the date picker if (initialDate != nil) { datePicker.date = initialDate; } else { // Set it to today datePicker.date = [NSDate date]; } return self; } This is how I am sending the dob NSDate object: DOBViewController *dobViewController = [[DOBViewController alloc] initWithInitialDate:dob]; Where dob is a variable of type NSDate that is declared in the header file. This doesn't seem to work as initialDate is always NULL. What am I doing wrong?

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• Looking for merge tool with very good in-line-comparison support

  - by peter p

  I have seen this topic discussed several times, but emphasis is on "very good in-line-comparison" here, which was not really covered by those threads. E.g. I would like the tool to recognize and highlight that the resource "colorpicker_newstring" has been added when comparing the following two blocks. WinMerge and Kdiff both fail... Does anyone know a software that does not? I am using Windows. Ah, and I'd prefer free/OS software, of course. Thanks a lot in advance, Peter File A: <resource name="colorpicker_title">Color picker</resource> <resource name="colorpicker_apply">Apply</resource> <resource name="colorpicker_transparent">Transparent</resource> <resource name="colorpicker_htmlcolor">HTML color</resource> <resource name="colorpicker_red">Red</resource> <resource name="colorpicker_newstring">New String</resource> <resource name="colorpicker_green">Green</resource> <resource name="colorpicker_blue">Blue</resource> <resource name="colorpicker_alpha">Alpha</resource> <resource name="colorpicker_recentcolors">Recently used colors</resource> File B: <resource name="colorpicker_title">Sélecteur de couleur</resource> <resource name="colorpicker_apply">Appliquer</resource> <resource name="colorpicker_transparent">Transparent</resource> <resource name="colorpicker_htmlcolor">Couleur HTML</resource> <resource name="colorpicker_red">Rouge</resource> <resource name="colorpicker_green">Vert</resource> <resource name="colorpicker_blue">Bleu</resource> <resource name="colorpicker_alpha">Alpha</resource> <resource name="colorpicker_recentcolors">Couleurs récentes</resource>

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• ASP Calendar Date Pick

  - by Steven

  I am attempting to construct my own date picker using code from several sources. Specifically, I am now populating the textbox with a calendar click. Two questions: Why does the first click refresh the page without doing anything? How can I have the textbox update without refreshing the entire page? myDate.ascx <%@ Control Language="vb" AutoEventWireup="false" CodeBehind="myDate.ascx.vb" Inherits="Website.myDate" %> <script language="javascript" type="text/javascript"> function toggleCalendar(myID) { var obj = document.getElementById(myID) obj.style.display = (obj.style.display == "none") ? "" : "none"; } </script> <asp:TextBox ID="dateText" runat="server" > </asp:TextBox> <input type="button" name="dateBtn" value="x" onclick="toggleCalendar('<%=dateCal.clientID%>');" /> <asp:Calendar ID="dateCal" runat="server" ></asp:Calendar> myDate.ascx.vb Partial Public Class myDate Inherits System.Web.UI.UserControl Protected Sub dateCal_SelectionChanged _ (ByVal sender As Object, ByVal e As EventArgs) _ Handles dateCal.SelectionChanged dateText.Text = dateCal.SelectedDate 'update text box' dateCal.Style("display") = "none" 'hide calendar' End Sub End Class

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• ASP Button Calling JavaScript Function

  - by Steven

  I am attempting to construct my own date picker using code from several sources. Specifically, I am now attempting to have an asp:button display/hide the calendar. What am I doing wrong? myDate.ascx <%@ Control Language="vb" AutoEventWireup="false" CodeBehind="myDate.ascx.vb" Inherits="Website.myDate" %> <script language="javascript" type="text/javascript"> function toggleCalendar(myID) { var obj = document.getElementById(myID) obj.style.display = (obj.style.display == "none") ? "" : "none"; } </script> <asp:TextBox ID="dateText" runat="server" > </asp:TextBox> <asp:Button ID="dateBtn" runat="server" UseSubmitBehavior="false" Text="x" /> <asp:Calendar ID="dateCal" runat="server" > </asp:Calendar> myDate.ascx.vb Partial Public Class myDate Inherits System.Web.UI.UserControl Protected Sub Page_Load (ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load 'Add OnClick event to call JavaScript to toggle calendar display' calBtn.Attributes.Add("OnClick", "toggleCalendar(" & cal.ClientID & ")") End Sub End Class HTML code for button (from browser) <input type="button" name="ctl03$calBtn" value="x" onclick="toggleCalendar(ctl03_cal);__doPostBack('ctl03$calBtn','')" id="ctl03_calBtn" />

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• iphone reload tableView

  - by Brodie4598

  In the following code, I have determined that everything works, up until [tableView reloadData] i have NSLOGs set up in the table view delegate methods and none of them are getting called. I have other methods doing the same reloadData and it works perfectly. The only difference tha I am awayre of is tha this is in a @catch block. maybe you smart guys can see something i'm doing wrong... @catch (NSException * e) {////chart is user genrated logoView.image = nil; NSInteger row = [picker selectedRowInComponent:0]; NSString *selectedAircraft = [aircraft objectAtIndex:row]; NSArray* paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *docsPath = [paths objectAtIndex:0]; NSString *checklistPath = [[NSString alloc]initWithFormat:@"%@/%@.checklist",docsPath,selectedAircraft]; NSString *dataString = [NSString stringWithContentsOfFile:checklistPath encoding: NSUTF8StringEncoding error:NULL]; if ([dataString hasPrefix:@"\n"]) { dataString = [dataString substringFromIndex:1]; } NSArray *tempArray = [dataString componentsSeparatedByString:@"\n"]; NSDictionary *temporaryDictionary = [NSDictionary dictionaryWithObject: tempArray forKey:@"User Generated Checklist"]; self.names = temporaryDictionary; NSArray *tempArray2 = [NSArray arrayWithObject:@"01User Generated Checklist"]; self.keys = tempArray2; aircraftLabel.text = selectedAircraft; checklistSelectPanel.hidden = YES; [tableView reloadData]; }

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• Why don't file type filters work properly with nsIFilePicker on Mac OSX?

  - by Eric Strom

  I am running a chrome app in firefox (started with -app) with the following code to open a filepicker: var nsIFilePicker = Components.interfaces.nsIFilePicker; var fp = Components.classes["@mozilla.org/filepicker;1"] .createInstance(nsIFilePicker); fp.init(window, "Select Files", nsIFilePicker.modeOpenMultiple); fp.appendFilter("video", "*.mov; *.mpg; *.mpeg; *.avi; *.flv; *.m4v; *.mp4"); fp.appendFilter("all", "*.*"); var res = fp.show(); if (res == nsIFilePicker.returnCancel) return; var files = fp.files; var paths = []; while (files.hasMoreElements()) { var arg = files.getNext().QueryInterface( Components.interfaces.nsILocalFile ).path; paths.push(arg); } Everything seems to work fine on Windows, and the file picker itself works on OSX, but the dropdown menu to select between file types only displays in Windows. The first filter (video in this case) is in effect, but the dropdown to select the other type never shows. Is there something extra that is needed to get this working on OSX? I have tried the latest firefox (3.6) and an older one (3.0.13) and both don't show the file type dropdown on OSX.

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• What data structure to use / data persistence

  - by Dave

  I have an app where I need one table of information with the following fields: field 1 - int or char field 2 - string (max 10 char) field 3 - string (max 20 char) field 4 - float I need the program to filter on field 1 based upon a segmented control and select a field 2 from a picker. From this data I need to look up field 4 to use in a calculation. Total records will be about 200. I never see it go above 400 - 500. I am going to use a singleton which I am able to do, I just need help with the structure for this with data persistence. What type of data structure should I use for this and should I use NSNumber, NSString, etc. or old data types like float, Char, etc. I thought about a struct put into an array but there is probably a better way. This is new to me so any help or reference to examples would be great. I also thought about a plist or dictionary but it looks like it is just a lookup and a field which obviously won't work. Core data looked like overkill to me. Also, with any recommendation how should I get initial data into it? I want the user to be able to edit and add to the database. Sorry for the old terms, you can see what generation I am from... Thanks in advance!!!!

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• Why can't I Bind a viewmodel property to a dependency property of a custom control

  - by Robert

  I want to use a color picker in my wpf application and I saw a nice looking one on this codeproject page. The control works fine until I want to connect the control to a viewmodel. I created a small test program with this viewmodel: public class ColorViewModel : ViewModelBase { public ColorViewModel() { LineColor = Brushes.Yellow; } SolidColorBrush _brushColor; public SolidColorBrush LineColor { get { return _brushColor; } set { _brushColor = value; RaisePropertyChanged(() => LineColor); } } } The test program has a textbox and the colorpicker controls: <StackPanel Orientation="Horizontal"> <TextBlock Text="Please Select a Color" FontWeight="Bold" Margin="10" Foreground="{Binding Path=LineColor, UpdateSourceTrigger=PropertyChanged}"/> <vw:ColorPickerControlView x:Name="ForeColorPicker" Margin="10" CurrentColor="{Binding Path=LineColor, UpdateSourceTrigger=PropertyChanged }"/> </StackPanel> In the loaded event of the window I set the viewmodel to the datacontext like this: DataContext = new ColorViewModel(); The problem is that I can't seem to bind the LineColor property of the viewmodel to the CurrentColor property of the ColorPickerControlView. The CurrentControl property of the ColorPickerControlView seems to be fine. The constructor looks like this: public ColorPickerControlView() { this.DataContext = this; InitializeComponent(); CommandBindings.Add(new CommandBinding(SelectColorCommand, SelectColorCommandExecute)); } In the constructor of the UserControl there is the line this.DataContext = this; I read that is is necessary to bind the dependency properties. Do I override this line when I set my viewmodel to the datacontext and is that why I can't bind to the CurrentColor property? Is there any workaround? Or did I make another mistake?

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