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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...
... 1.0 2013-04-08
原文网址：http://blog.csdn.net/zouxy09/article/details/8775518/
声明：
1）该Deep Learning的学习系列是整理自网上很大牛和机器学习专家所无私奉献的资料的。具体引用的资料请看参考文献。具体的版本声明也参考原文献。
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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...
... 1.0 2013-04-08
原文网址：http://blog.csdn.net/zouxy09/article/details/8775518/
声明：
1）该Deep Learning的学习系列是整理自网上很大牛和机器学习专家所无私奉献的资料的。具体引用的资料请看参考文献。具体的版本声明也参考原文献。
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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...
... 1.0 2013-04-08
原文网址：http://blog.csdn.net/zouxy09/article/details/8775518/
声明：
1）该Deep Learning的学习系列是整理自网上很大牛和机器学习专家所无私奉献的资料的。具体引用的资料请看参考文献。具体的版本声明也参考原文献。
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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...
... 1.0 2013-04-08
原文网址：http://blog.csdn.net/zouxy09/article/details/8775518/
声明：
1）该Deep Learning的学习系列是整理自网上很大牛和机器学习专家所无私奉献的资料的。具体引用的资料请看参考文献。具体的版本声明也参考原文献。
...
Deep Learning（深度学习）学习笔记整理系列之（三） - 大数据 & AI - 清泛...
... 1.0 2013-04-08
原文网址：http://blog.csdn.net/zouxy09/article/details/8775518/
声明：
1）该Deep Learning的学习系列是整理自网上很大牛和机器学习专家所无私奉献的资料的。具体引用的资料请看参考文献。具体的版本声明也参考原文献。
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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
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dict((el,0) for el in a) will work well.
Python 2.7 and above also support dict comprehensions. That syntax is {el:0 for el in a}.
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Can I install Python 3.x and 2.x on the same Windows computer?
...ons" option enabled. I'm not quite sure why, but on my machine it left Py 2.7 as the "default" (of the launcher).
Running scripts by calling them directly from the command line will route them through the launcher and parse the shebang (if it exists). You can also explicitly call the launcher and...
How do I install PyCrypto on Windows?
...l http://www.voidspace.org.uk/python/pycrypto-2.6.1/pycrypto-2.6.1.win32-py2.7.exe
Notice to choose the relevant link for your setup from this list
If you're looking for builds for Python 3.5, see PyCrypto on python 3.5
s...
List comprehension rebinds names even after scope of comprehension. Is this right?
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Also note that now in 2.7, set and dictionary comprehensions (and generators) have private scopes, but list comprehensions still don't. While this makes some sense in that the former were all back-ported from Python 3, it really makes the contrast...
How to map and remove nil values in Ruby
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Ruby 2.7+
There is now!
Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i...