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Difference between objectForKey and valueForKey?

...= [newAccount accountNumber]; Using KVC, I can access the property dynamically: NSNumber *anAccountNumber = [NSNumber numberWithInt:12345]; Account *newAccount = [[Account alloc] init]; [newAccount setValue:anAccountNumber forKey:@"accountNumber"]; NSNumber *anotherAccountNumber = [newAccount v...
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Database Design for Revisions?

...able history, we've implemented this scheme in the past... Create a table called 'AuditTrail' or something that has the following fields... [ID] [int] IDENTITY(1,1) NOT NULL, [UserID] [int] NULL, [EventDate] [datetime] NOT NULL, [TableName] [varchar](50) NOT NULL, [RecordID] [varchar](20) NOT NULL...
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Rails detect if request was AJAX

In my action I wish to only respond with processing if it was called from an AJAX request. How do I check? 5 Answers ...
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Set Locale programmatically

...) or should better to use the application contex? 2. this code should be called in each activity? thanks. – Paul Jun 13 '12 at 12:47 10 ...
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Padding between ActionBar's home icon and title

... I also faced a similar issue, in my case I had to set titles dynamically on each activity depending on the content. So this worked for me. actionBar.setTitle(" " + yourActivityTitle); If all you want is the spacing, this is the easiest solution I could think of. ...
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Best practice using NSLocalizedString

... // It's defined as computed static var, so it's up-to-date every time you call. // You can also have your custom retrieval method there. button.setTitle(Localizables.login.button_title_login, forState: .Normal) The project uses Google App Script to convert Sheets --> CSV , and Python script ...
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Best practices for Storyboard login screen, handling clearing of data upon logout

...owing error when the app fires up and the login screen shows: "Unbalanced calls to begin/end appearance transitions". I have noticed that when the app loads the login screen shows, but also the first tab on the tab bar controller is getting loaded also. Confirmed this via println() in viewdidload. ...
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jQuery Set Cursor Position in Text Area

... return this; } Now you can move the focus to the end of any element by calling: $(element).focusEnd(); Or you specify the position. $(element).setCursorPosition(3); // This will focus on the third character. share ...
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How do you force Visual Studio to regenerate the .designer files for aspx/ascx files?

... I did this and it worked for me. However, I had to create an empty file called <name>.aspx.designer.vb to get it to work – Tahir Hassan Sep 29 '16 at 13:05 ...
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Django. Override save for model

... It is not worked for me too,. set_image never called. Looks like this some Django not officially supported stuff – Ivan Borshchov Apr 8 '17 at 9:50 ...