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CALayer with transparent hole in it

...h; UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0, self.mapView.bounds.size.width, self.mapView.bounds.size.height) cornerRadius:0]; UIBezierPath *circlePath = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0, 2.0*radius, 2.0*radius) cornerRadius:radius]; [path a...
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How to access the ith column of a NumPy multidimensional array?

... >>> test[:,0] array([1, 3, 5]) Similarly, >>> test[1,:] array([3, 4]) lets you access rows. This is covered in Section 1.4 (Indexing) of the NumPy reference. This is quick, at least in my experience. It's certainly muc...
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Command-line Unix ASCII-based charting / plotting tool

... + *+ * + * * + sin(x) ****** + 0.8 ++ * * * * * * ++ | * * * * * * | 0.6 ++ * * * * * *...
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Using bitwise OR 0 to floor a number

...egers only Odd Comparative behavior: Math.floor(NaN) === NaN, while (NaN | 0) === 0 share | improve this answer | follow | ...
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“CASE” statement within “WHERE” clause in SQL Server 2008

...ery which contains "CASE" statement within "WHERE" clause. But SQL Server 2008 is giving some errors while executing it. Can anyone please help me with the correct query? Here is the query: ...
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How to validate date with format “mm/dd/yyyy” in JavaScript?

...s var parts = dateString.split("/"); var day = parseInt(parts[1], 10); var month = parseInt(parts[0], 10); var year = parseInt(parts[2], 10); // Check the ranges of month and year if(year < 1000 || year > 3000 || month == 0 || month > 12) return false; ...
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Calling a Method From a String With the Method's Name in Ruby

... answered Sep 10 '09 at 20:17 Colin GravillColin Gravill 3,85311 gold badge1818 silver badges1616 bronze badges ...
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FAQ Section: SMS - Frequently Asked Questions - MIT App Inventor Community

...imary: #222222; --secondary: #ffffff; --tertiary: #0088cc; --quaternary: #e45735; --highlight: #ffff4d; --success: #009900; } } /* then deal with dark scheme */ @media (prefers-color-scheme: dark) { ...
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navbar color in Twitter Bootstrap

...can I change the background color of the navbar of the Twitter Bootstrap 2.0.2? How can I change color of all the elements of the navbar to reflect the background color? ...
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Get a random boolean in python?

...ter $ python -m timeit -s "import random" "random.choice([True, False])" 1000000 loops, best of 3: 0.904 usec per loop $ python -m timeit -s "import random" "random.choice((True, False))" 1000000 loops, best of 3: 0.846 usec per loop $ python -m timeit -s "import random" "random.getrandbits(1)" 10...