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round() for float in C++
I need a simple floating point rounding function, thus:
22 Answers
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Histogram using gnuplot?
I know how to create a histogram (just use "with boxes") in gnuplot if my .dat file already has properly binned data. Is there a way to take a list of numbers and have gnuplot provide a histogram based on ranges and bin sizes the user provides?
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random.seed(): What does it do?
I am a bit confused on what random.seed() does in Python. For example, why does the below trials do what they do (consistently)?
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How to compute the similarity between two text documents?
I am looking at working on an NLP project, in any programming language (though Python will be my preference).
10 Answers
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How to clear the canvas for redrawing
After experimenting with composite operations and drawing images on the canvas I'm now trying to remove images and compositing. How do I do this?
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
I first noticed in 2009 that GCC (at least on my projects and on my machines) have the tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why.
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Generate a random double in a range
I have two doubles like the following
6 Answers
6
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What is 'Pattern Matching' in functional languages?
I'm reading about functional programming and I've noticed that Pattern Matching is mentioned in many articles as one of the core features of functional languages.
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How is Math.Pow() implemented in .NET Framework?
I was looking for an efficient approach for calculating a b (say a = 2 and b = 50 ). To start things up, I decided to take a look at the implementation of Math.Pow() function. But in .NET Reflector , all I found was this:
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Find nearest value in numpy array
Is there a numpy-thonic way, e.g. function, to find the nearest value in an array?
16 Answers
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