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Should you always favor xrange() over range()?

... For performance, especially when you're iterating over a large range, xrange() is usually better. However, there are still a few cases why you might prefer range(): In python 3, range() does what xrange() used to do and xrange() does not exist. If you want to write code that will run...
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How does one make random number between range for arc4random_uniform()?

...Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this: ...
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Java: how do I get a class literal from a generic type?

...hare the same runtime representation, namely that of the corresponding raw type . In other words, parameterized types do not have type representation of their own. Consequently, there is no point in forming class literals such as List<String>.class , List<Long>.class and...
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Solving “Who owns the Zebra” programmatically?

...nationalities + pets + drinks + cigarettes problem.addVariables(variables, range(minn, maxn+1)) # Each house has its own unique color. # All house owners are of different nationalities. # They all have different pets. # They all drink different drinks. # They all smoke different cigarettes. for var...
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Resumable downloads when using PHP to send the file?

... The first thing you need to do is to send the Accept-Ranges: bytes header in all responses, to tell the client that you support partial content. Then, if request with a Range: bytes=x-y header is received (with x and y being numbers) you parse the range the client is requestin...
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How to write PNG image to string with the PIL?

...ired to use BytesIO: from io import BytesIO from PIL import Image, ImageDraw image = Image.new("RGB", (300, 50)) draw = ImageDraw.Draw(image) draw.text((0, 0), "This text is drawn on image") byte_io = BytesIO() image.save(byte_io, 'PNG') Read more: http://fadeit.dk/blog/post/python3-flask-pil...
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When someone writes a new programming language, what do they write it IN?

...ely of binary numbers that are a direct one-to-one correspondence with the raw language of the computer itself. But it still doesn't end. Even a file with just raw numbers in it still needs translation. You still need to get those raw numbers in a file into the computer. Well believe it or not the...
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Get nth character of a string in Swift programming language

...> Character { self[index(startIndex, offsetBy: offset)] } subscript(range: Range<Int>) -> SubSequence { let startIndex = index(self.startIndex, offsetBy: range.lowerBound) return self[startIndex..<index(startIndex, offsetBy: range.count)] } subscript(range:...
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What is Unicode, UTF-8, UTF-16?

...mbers and letters like the ones in this sentence. Unfortunately, today's strange world of global intercommunication and social media was not foreseen, and it is not too unusual to see English, العربية, 汉语, עִבְרִית, ελληνικά, and ភាសាខ្មែរ in the same doc...
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How can the Euclidean distance be calculated with NumPy?

... return out0, out1 perfplot.save( "norm.png", setup=setup, n_range=[2 ** k for k in range(22)], kernels=[ linalg_norm, linalg_norm_T, scipy_distance, sqrt_sum, sqrt_sum_T, sqrt_einsum, sqrt_einsum_T, ], logx=True, ...