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How can I mask a UIImageView?

..."UIImageViewWithMask" (custom class name above). On Attributes Inspector: Select mask image you want to use. Example Notes Your mask image should have a transparent background (PNG) for the non-black part. share ...
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How to Implement Custom Table View Section Headers and Footers with Storyboard

...that tapping the section header causes the first cell in the section to be selected. As Paul Von points out, this is fixed by returning the cell's contentView instead of the whole cell. However, as Hons points out, a long press on said section header will crash the app. The solution is to remove...
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How do I safely pass objects, especially STL objects, to and from a DLL?

...ply specific packing. The compiler will still apply default packing if you select a pack value bigger than the one the compiler would have chosen, so if you pick a large packing value, a class can still have different packing between compilers. The solution for this is to use #pragma pack(1), which ...
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Type definition in object literal in TypeScript

... The DRY (Don't Repeat Yourself) option by @Rick Love with the cast operator seems mucho neater. Just commenting, not downvoting... – spechter Nov 17 '17 at 0:43 ...
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How to document a string type in jsdoc with limited possible values

...a number) but "number" is not assignable to "Int" without some coercion (a cast). share | improve this answer | follow | ...
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Double negation (!!) in javascript - what is the purpose? [duplicate]

... It casts to boolean. The first ! negates it once, converting values like so: undefined to true null to true +0 to true -0 to true '' to true NaN to true false to true All other expressions to false Then the other ! negates i...
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How to store arrays in MySQL?

... retrieve a person and all of their fruit you can do something like this: SELECT p.*, f.* FROM person p INNER JOIN person_fruit pf ON pf.person_id = p.id INNER JOIN fruits f ON f.fruit_name = pf.fruit_name share |...
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getSupportActionBar from inside of Fragment ActionBarCompat

...l have a valid activity accessible through getActivity(). You'll need to cast it to an ActionBarActivity then make the call to getSupportActionBar(). ((AppCompatActivity)getActivity()).getSupportActionBar().setSubtitle(R.string.subtitle); You do need the cast. It's not poor design, it's backwar...
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How do I specify the Linq OrderBy argument dynamically?

...rn str + (isDesc ? " descending" : ""); } } 3) Write your switch for selecting of Lambda function public static class SortHelper { public static Expression<Func<UserApp, object>> UserApp(string orderProperty) { orderProperty = orderProperty?.ToLowerInvariant(); ...
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Timer function to provide time in nano seconds using C++

..."rdtsc" : "=a" (lo), "=d" (hi)); return time_point(duration(static_cast<rep>(hi) << 32 | lo)); } }; } // x All this clock does is count CPU cycles and store it in an unsigned 64-bit integer. You may need to tweak the assembly language syntax for your compiler. Or your c...