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How does collections.defaultdict work?
I've read the examples in python docs, but still can't figure out what this method means. Can somebody help? Here are two examples from the python docs
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Is std::vector so much slower than plain arrays?
I've always thought it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so:
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Generating random numbers in Objective-C
I'm a Java head mainly, and I want a way to generate a pseudo-random number between 0 and 74. In Java I would use the method:
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Compare if BigDecimal is greater than zero
How can I compare if BigDecimal value is greater than zero?
6 Answers
6
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Shading a kernel density plot between two points.
I frequently use kernel density plots to illustrate distributions. These are easy and fast to create in R like so:
5 Answer...
How to convert a string to an integer in JavaScript?
How do I convert a string to an integer in JavaScript?
27 Answers
27
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Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
I'm creating a colored image like this:
7 Answers
7
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Convert a character digit to the corresponding integer in C
Is there a way to convert a character to an integer in C?
15 Answers
15
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Why does this code using random strings print “hello world”?
The following print statement would print "hello world".
Could anyone explain this?
15 Answers
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