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How to return a result (startActivityForResult) from a TabHost Activity?

...ResultData; } if (Config.LOGV) Log.v(TAG, "Finishing self: token=" + mToken); try { if (ActivityManagerNative.getDefault() .finishActivity(mToken, resultCode, resultData)) { mFinished = true; } } catch (RemoteExc...
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Can I “multiply” a string (in C#)?

... Very sure. It allocates a string (of that length) behind the scenes, then mutates it. It doesn't work like a regular List<T> etc. – Marc Gravell♦ Feb 10 '09 at 16:05 ...
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How to remove a field from params[:something]

...-1" as the key. {"utf8"=>"✓", "_method"=>"patch", "authenticity_token"=>"VtY...", "brochure"=> {"title"=>"Hello world", "profilings_attributes"=> {"-1"=>{"member_profile_id"=>"3"}, "0"=>{"percentage"=>"10.0", "description"=>"Some description!", "_...
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Create an array with same element repeated multiple times

... It's much more efficient to allocate all of the entries up front, with arr = new Array(len);, then assign to them by index in the loop, i.e. arr[i] = value;. That way you only pay O(n) rather than having to keep reallocating the array as it grows. In ...
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Why are dashes preferred for CSS selectors / HTML attributes?

...e-clicking on a hyphenated word will only select part of it, not the whole token: this seems to be OS-wide. – Andrew Vit Sep 26 '11 at 21:32 13 ...
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How to determine if an NSDate is today?

...me for the second date and compare: NSCalendar * gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; NSDateComponents * components = [gregorian components: (NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit) ...
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Why does std::getline() skip input after a formatted extraction?

...lt that is the newline. If those X number of strings are just single words/tokens then this job can be easily accomplished with >>. Otherwise you would input the first number into an integer with >>, call cin.ignore() on the next line, and then run a loop where you use getline(). ...
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Is there a way to instantiate a class by name in Java?

...object (to be the most precise, creating a new object involves both memory allocation and object construction). So the nearest equivalent to the previous example is to say: import java.lang.reflect.*; public class constructor2 { public constructor2() { } public construc...
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iPhone viewWillAppear not firing

... setting up the view controllers on the respective controller (right after allocation). From then on, it correctly called these methods on its child view controllers. My hierarchy is like this: window UITabBarController (subclass of) UIViewController (subclass of) // <-- manually ca...
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Getting an object from an NSSet

...ck for whether it's in the NSSet) with: MyObject *testObject = [[MyObject alloc] init]; testObject.objectID = 5; // for example. // I presume your object has more properties which you don't need to set here // because it's objectID that defines uniqueness (see isEqual: above) MyObject *existin...