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What does “coalgebra” mean in the context of programming?
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edited May 7 '13 at 16:26
answered Apr 15 '13 at 18:17
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Deep Learning（深度学习）学习笔记整理系列之（三） - 大数据 & AI - 清泛...
...（深度学习）学习笔记整理系列之（三）Deep_Learning_Series_3Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列
zouxy09@qq.com
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Deep Learning（深度学习）学习笔记整理系列之（三） - 大数据 & AI - 清泛...
...（深度学习）学习笔记整理系列之（三）Deep_Learning_Series_3Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列
zouxy09@qq.com
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Scatterplot with too many points
... rnorm(5000),y=rnorm(5000))
ggplot(df,aes(x=x,y=y)) + geom_point(alpha = 0.3)
Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hexagonal binning:
ggplot(df,aes(x=x,y=y)) + stat_binhex()
And there is also regular old rectangular...
How can I apply a function to every row/column of a matrix in MATLAB?
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73
Many built-in operations like sum and prod are already able to operate across rows or columns, s...
C++ Singleton design pattern
... // Constructor? (the {} brackets) are needed here.
// C++ 03
// ========
// Don't forget to declare these two. You want to make sure they
// are inaccessible(especially from outside), otherwise, you may accidentally get copies of
// your singleton appe...
Add regression line equation and R^2 on graph
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234
+100
Here is...
How are multi-dimensional arrays formatted in memory?
...eter, bad things are going to happen. Here's a quick example:
int array1[3][2] = {{0, 1}, {2, 3}, {4, 5}};
In memory looks like this:
0 1 2 3 4 5
exactly the same as:
int array2[6] = { 0, 1, 2, 3, 4, 5 };
But if you try to pass array1 to this function:
void function1(int **a);
you'll ge...
Python string class like StringBuilder in C#?
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103
There is no one-to-one correlation. For a really good article please see Efficient String Conca...
Templated check for the existence of a class member function?
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328
Yes, with SFINAE you can check if a given class does provide a certain method. Here's the work...