DAO （Data Access Object）数据访问对象 DAO(Data Access Object)是一个数据访问接口，数据访问：顾名思义就是与数据库打交道。夹在业务...
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深入理解 Domain Objects -
Difference between Python2 and Python3 [working in progress]
Print It is no longer a statement/command, print() is a function in Python3 Encode Defa...
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List Generator
Generate list by simple expression Like slicing, the first digit is the index of the fi...
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Dictionary and Set
Dictionary Dictionary is a unordered data structure which is a list of key-value pairs,...
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Flow Control
PYTHON IS A SPACE SENSITIVE LANGUAGE, PLEASE FORMAT YOUR CODE WELL If.. elif.. else Lik...
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List and Tuple
List Create a listIt doesn't like other OOP languages, Python allows mixed type element...
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Variables and Data Type
Integer Python doesn't like Java, C, or C++, it can handle any size of integer. Like 10...
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Python Installation
Download Python Go to Python Software Foundation website - downloadsBased on your local...
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Java Collections总结Collections List (inherited from Collection Interface)ArrayList, Vector, LinkedList, St...
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42. Trapping Rain Water
Leetcode: 42. Trapping Rain WaterGiven n non-negative integers representing an elevatio...
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23. Merge k Sorted Lists
Leetcode: 23. Merge k Sorted ListsMerge k sorted linked lists and return it as one sort...
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160. Intersection of Two Linked Lists
Leetcode: 160. Intersection of Two Linked ListsWrite a program to find the node at whic...
