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http://www.scala-lang.org/blog/2017/11/28/view-based-collections.html 阅读全文
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http://rosslawley.co.uk/introducing-a-new=mongodb-spark-connector/ 阅读全文
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https://docs.oracle.com/javase/8/docs/technotes/tools/windows/jdkfiles.html Java Platform, Standard Edition Tools ReferenceContents Previous Next 3 JD 阅读全文
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Core Java Web Page http://horstmann.com/corejava.html [ inheritance ] super Using the Keyword super (The Java™ Tutorials > Learning the Java Language 阅读全文
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https://docs.oracle.com/javase/7/docs/technotes/tools/windows/javac.html\ javac - Java programming language compiler javac - Java programming language 阅读全文
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passive aggressive(pa)和average perceptron(ap) 阅读全文
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merge two dicts Python 3.6.4 >>> x={'a':1,'b':2}>>> y={'b':3,'c':4}>>> z={**x,**y}>>> z{'a': 1, 'b': 3, 'c': 4}>>> z={**y,**x}>>> z{'b': 2, 'c': 4, 'a 阅读全文
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http://arrow.apache.org/blog/ 阅读全文
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Serialization and deserialization are bottlenecks in parallel and distributed computing, especially in machine learning applications with large object 阅读全文
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这样就可以在pom中依赖引用了： Introduction to the Standard Directory Layout Having a common directory layout would allow for users familiar with one Maven project 阅读全文