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Xcode 'Build and Archive' menu item disabled

...hive" menu item. For some strange reason when any kind of iOS Simulator is selected, Archive is greyed out. share | improve this answer | follow | ...
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jQuery - getting custom attribute from selected option

... You're adding the event handler to the <select> element. Therefore, $(this) will be the dropdown itself, not the selected <option>. You need to find the selected <option>, like this: var option = $('option:selected', this).attr('mytag'); ...
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In Django, how does one filter a QuerySet with dynamic field lookups?

... A simplified example: In a Django survey app, I wanted an HTML select list showing registered users. But because we have 5000 registered users, I needed a way to filter that list based on query criteria (such as just people who completed a certain workshop). In order for the survey eleme...
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Objective-C parse hex string to integer

...format #01FFFFAB, you can still use NSScanner, but you can skip the first character. unsigned result = 0; NSScanner *scanner = [NSScanner scannerWithString:@"#01FFFFAB"]; [scanner setScanLocation:1]; // bypass '#' character [scanner scanHexInt:&result]; ...
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Why I cannot cout a string?

... Use c_str() to convert the std::string to const char *. cout << "String is : " << text.c_str() << endl ; share | improve this answer | ...
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Converting Select results into Insert script - SQL Server [closed]

...asier than installing plugins or external tools in some situations: Do a select [whatever you need]INTO temp.table_namefrom [... etc ...]. Right-click on the database in the Object Explorer => Tasks => Generate Scripts Select temp.table_name in the "Choose Objects" screen, click Next. In the...
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How do SQL EXISTS statements work?

... criteria -- this is why it can be faster than IN. Also be aware that the SELECT clause in an EXISTS is ignored - IE: SELECT s.* FROM SUPPLIERS s WHERE EXISTS (SELECT 1/0 FROM ORDERS o WHERE o.supplier_id = s.supplier_id) ...should hit a division by zero error...
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How to use Checkbox inside Select Option

The client has given me a design which has a Select Option menu containing a checkbox together with the item name as individual items in the list. Is there anyway possible to add a checkbox inside a Select Option menu? ...
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NSString tokenize in Objective-C

... @Adam, I think what you wanted was componentsSeparatedByCharactersInSet. See answer below. – Wienke Aug 28 '12 at 0:01 add a comment  |  ...
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get string value from HashMap depending on key name

... Suppose you declared HashMap as :- HashMap<Character,Integer> hs = new HashMap<>(); Then,key in map is of type Character data type and value of int type.Now,to get value corresponding to key irrespective of type of key,value type, syntax is :- char tem...