大约有 15,000 项符合查询结果（耗时：0.0295秒） [XML]
How to find all combinations of coins when given some dollar value
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Merge and interleave two arrays in Ruby
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@Leo, @chuck: if you read the example you will see that Chris wants to interleave the elements, not concatenate them. Essentially, he wants [a, s].transpose except that the two rows don't conform, leaving #zip as the obvious solution. And I don't believe h...
Package cairo was not found in the pkg-config search path. Node j.s install canvas issue
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Had the same problem and @Epistemex's link helped me troubleshoot it.
... You need to install libcairo2-dev, libjpeg-dev and libgif-dev packages ...
sudo apt-get install libcairo2-dev libjpeg-dev libgif-dev
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How do I change the figure size with subplots?
I came across this example in the Matplotlib website. I was wondering if it was possible to increase the figure size.
2 A...
How do I make curl ignore the proxy?
How do I make curl ignore the proxy?
Setting $NO_PROXY doesn't seem to work for me.
12 Answers
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Delegates: Predicate vs. Action vs. Func
Can someone provide a good explanation (hopefully with examples) of these 3 most important delegates:
8 Answers
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How to change legend title in ggplot
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This should work:
p <- ggplot(df, aes(x=rating, fill=cond)) +
geom_density(alpha=.3) +
xlab("NEW RATING TITLE") +
ylab("NEW DENSITY TITLE")
p <- p + guides(fill=guide_legend(title="New Legend Title"))
(or alternatively)
p...
Difference between char* and const char*?
...to (https://msdn.microsoft.com/en-us/library/vstudio/whkd4k6a(v=vs.100).aspx, see "Examples"). In this case, the const specifier applies to char, not the asterisk.
According to the MSDN page and http://en.cppreference.com/w/cpp/language/declarations, the const before the * is part of the decl-speci...
What is the difference between a cer, pvk, and pfx file?
What is the difference between a cer, pvk, and pfx file? Also, which files do I keep and which am I expected to give to my counter-parties?
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Evenly distributing n points on a sphere
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In this example code node[k] is just the kth node. You are generating an array N points and node[k] is the kth (from 0 to N-1). If that is all that is confusing you, hopefully you can use that now.
(in other words, k is an array of s...