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敏捷DoD完成定义的多种形态
作者:张克强    作者微博:张克强-敏捷307关于Definition of Done 完成的定义在以往的说法中,常见用 退出标准 , 完成条件,成功标准,等等在敏捷软件开发中,存在多级的不同的完成定义。典型的是迭代的DoD,这也是最初DoD应用的地方。常见在Scrum中,需要预先定义DoD,常见的迭代DoD条款有:1,所有完成的用户故事得到PO的验证2,所有代码得到静态分析,纠正最高级别的不符...
分类:其他好文   时间:2014-10-05 09:36:08    阅读次数:253
leetcode Linked List Cycle
/** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * }; */ class Solution { public: bool hasCycl...
分类:其他好文   时间:2014-10-04 15:09:06    阅读次数:187
Leetcode Binary Tree Preorder Traversal
/** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(NULL), right(NULL) {} * }; */ class Soluti...
分类:其他好文   时间:2014-10-04 15:07:46    阅读次数:162
leetcode - Convert Sorted List to Binary Search Tree
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. /** * Definition for singly-linked list. * struct ListNode { * int val; * Lis...
分类:其他好文   时间:2014-10-03 17:21:45    阅读次数:167
leetcode - Convert Sorted Array to Binary Search Tree
Given an array where elements are sorted in ascending order, convert it to a height balanced BST. /** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * ...
分类:其他好文   时间:2014-10-03 15:40:04    阅读次数:186
Exercises - Kangaroo
Write a definition for a class named Kangaroo with the following methods:An __init__ method that initializes an attribute named pouch_contents to an e...
分类:其他好文   时间:2014-10-03 14:57:04    阅读次数:232
Classes and functions
As another example of a user-defined type, we’ll define a class called Time that records the time of day. The class definition looks like this: ...
分类:其他好文   时间:2014-10-01 19:47:11    阅读次数:245
DBMS主要功能
1.数据定义:DBMS提供数据定义语言DDL(Data Definition Language),供用户定义数据库的三级模式结构、两级映像以及完整性约束和保密限制等约束。DDL主要用于建立、修改数据库的库结构。DDL所描述的库结构仅仅给出了数据库的框架,数据库的框架信息被存放在数据字典(Data D...
分类:数据库   时间:2014-10-01 09:28:40    阅读次数:1296
there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause
创建表的时候报错[Err]1293-Incorrecttabledefinition;therecanbeonlyoneTIMESTAMPcolumnwithCURRENT_TIMESTAMPinDEFAULTorONUPDATEclause创建语句如下:CREATETABLEcompany_news( idVARCHAR(32)NOTNULL, titleVARCHAR(50)NOTNULL, summaryVARCHAR(300), contentTEXT, company_..
分类:其他好文   时间:2014-09-28 15:04:22    阅读次数:241
leetcode - Copy List with Random Pointer
A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. Return a deep copy of the list. /** * Definition for singly-l...
分类:其他好文   时间:2014-09-26 15:07:08    阅读次数:181
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