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C++ preprocessor __VA_ARGS__ number of arguments

... 90 This is actually compiler dependent, and not supported by any standard. Here however you have a...
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Matplotlib - global legend and title aside subplots

... | edited Mar 13 at 17:30 answered Feb 10 '12 at 0:47 orb...
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Relative frequencies / proportions with dplyr

...n = n()) %>% mutate(freq = n / sum(n)) # am gear n freq # 1 0 3 15 0.7894737 # 2 0 4 4 0.2105263 # 3 1 4 8 0.6153846 # 4 1 5 5 0.3846154 From the dplyr vignette: When you group by multiple variables, each summary peels off one level of the grouping. That makes ...
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In Ruby how do I generate a long string of repeated text?

... 310 str = "0" * 999999 ...
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How do I generate random numbers in Dart?

...h: import 'dart:math'; main() { var rng = new Random(); for (var i = 0; i < 10; i++) { print(rng.nextInt(100)); } } This code was tested with the Dart VM and dart2js, as of the time of this writing. share ...
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed

How to detect if Visual C++ Redistributable for Visual Studio 2012 is installed? 20 Answers ...
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Best way to make Java's modulus behave like it should with negative numbers?

...the negative values of a, since (a % b) is a negative value between -b and 0, (a % b + b) is necessarily lower than b and positive. The last modulo is there in case a was positive to begin with, since if a is positive (a % b + b) would become larger than b. Therefore, (a % b + b) % b turns it into s...
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Fill SVG path element with a background-image

...<defs> <pattern id="img1" patternUnits="userSpaceOnUse" width="100" height="100"> <image href="wall.jpg" x="0" y="0" width="100" height="100" /> </pattern> </defs> Adjust the width and height according to your image, then reference it from the path like this: &...
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T-SQL datetime rounded to nearest minute and nearest hours with using functions

In SQL server 2008, I would like to get datetime column rounded to nearest hour and nearest minute preferably with existing functions in 2008. ...
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Empty arrays seem to equal true and false at the same time

... d_ethier 3,6042020 silver badges3030 bronze badges answered Mar 30 '11 at 20:10 wildcardwildcard ...